JN0-360 V11.02 formatted - GRATIS EXAM

JN0-360 V11.02_formatted

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http://www.gratisexam.com/

Exam : JN0-360

Title : Juniper Networks Certified

Internet Specialist

(JNCIS-SP)

Version : V11.02

Exam A

QUESTION 1What are two valid actions that can be applied to a frame by a Layer 2 firewall filter? (Choose two)

A. LogB. loss-priorityC. sampleD. count

Correct Answer: BDSection: (none)Explanation

Explanation/Reference:

QUESTION 2Which two statements describe differences between IPv4 and IPv6.? (Choose two)

A. IPsec is built into IPv6B. IPv6 uses a 32-bit (4-byte) address and can support up to 4,294,967,296 addressesC. IPv4 supports extension headers whereas IPv6 options are integrated into the baseD. IPv6 eliminates the need for NAT

Correct Answer: ADSection: (none)Explanation


QUESTION 3You must configure an OSPF area that does not accept type 3 link-state advertisements (LSAs) from area 0(other than the default route) You have configured your area to be stub, but you still see type 3 LSAs.What will account for this behavior?

A. You should have configured your area as totally stubbyB. You should have used a not-so-stubby-areaC. You are experiencing a routing loopD. You have exported routes into OSPF

Correct Answer: ASection: (none)Explanation


QUESTION 4You have configured an IP-IP tunnel between Router A and Router B Which Junos operational mode commandis used to verify that the tunnel interface is up and operational?

A. show chassis tunnel statusB. show tunnel interface

C. show interfaces terseD. show interfaces tunnel

Correct Answer: CSection: (none)Explanation


QUESTION 5Which IS-IS packet is used to determine the level of an IS-IS neighbor?


A. IIHB. LSPC. PSNPD. CSNP



QUESTION 6Router A is an OSPF router connected to both Area 0 and Area 1 Area 1 has been configured as a stub areaWhich two LSA types does Router A suppress from Area 1 ?

A. Router LSAB. External LSAC. Summary LSAD. ASBR Summary LSA



QUESTION 7You are logged into a router and have navigated to the (edit routing-options] level of the hierarchy. You havebeen asked to create a static route that will use 10.10.10.1 as its primary next-hop and 10.10.10.5 as itssecondary next-hop.Which command correctly configures this scenario?

A. set static route 8/8 10.10.10.1 qualified-next-hop 10.10.10.5 pref 10

B. set static route 8/8 next-hop 10.10.10.1 secondary-next-hop 10.10.10.5 preference 10C. set static route 8/8 next-hop 10.10.10.1 qualified-next-hop 10.10.10.5 preference 10D. set static route 8/8 next-hop [10.10.10.1 10.10.10.5] pref 10



QUESTION 8Which Junos operational mode command is used to verify that load balancing is working as expected?

A. show route allB. show route extensiveC. show route balancingD. show route forwarding-table

Correct Answer: DSection: (none)Explanation


QUESTION 9Click the Exhibit button

Based on the illustration of the VPLS topology shown in the exhibit, which statement is true?

A. PE-C must have a spanning-tree protocol enabledB. CE-C must have BGP enabledC. Traffic forwarded from PE-C to PE-A is forwarded on to PE-BD. Traffic forwarded from PE-C to PE-A is not forwarded on to PE-B

Correct Answer: DSection: (none)

Explanation


QUESTION 10Which two values displayed in the output from the show spanning-tree MSTP configuration command mustmatch on all switches participating in the same MSTP region? (Choose two)

A. root bridge identifierB. authentication checksumC. context identifierD. configuration digest

Correct Answer: CDSection: (none)Explanation


QUESTION 11Which role does the router ID (RID) have in the BGP route selection process?

A. The router ID is evaluated immediately after MED to determine route preferenceB. The router ID is evaluated last in the route selection processC. The router ID is evaluated after the cluster length and a lower router ID is chosenD. The router ID is evaluated after analyzing the IGP metric cost



QUESTION 12You are logged into a router and have navigated to the [edit routing-options] level of the hierarchy. You havebeen asked to create a static route that will use 43 18 7 1 as its primary next-hop and 76 1310 2 as itssecondary next-hop.Which command correctly configures this setup?

A. set static route 0/0 76.13.10.2 qualified-next-hop 43.18.7.1 pref 10B. set static route 0/0 next-hop 43.18.7.1 secondary-next-hop 76.13.10.2 preference 10C. set static route 0/0 next-hop [76.13.10.2 10.10.10.5] pref 10D. set static route 0/0 next-hop 43.18.7.1 qualified-next-hop 76.13.10.2 preference 10




Referring to the network illustrated in the exhibit, how does router A reach destinations in area 49.2222?

A. Router A will use the routes from area 49.2222; it learns from router BB. Router A will see the attached bit from router B and create a default routeC. Router A must have a default route manually configuredD. Router A will receive a default route in the IS-IS update from router B

Correct Answer: BSection: (none)Explanation


QUESTION 14You have recently implemented a graceful Routing-Engine switchover (GRES) and want to further reduce downtime if a Routing Engine (RE) failure occurs. Which two features can be configured on this device to reduce itsdowntime in this situation? (Choose two)

A. VRRPB. GRC. BFDD. NSR



QUESTION 15

Which BGP state denotes a fully operational session?

A. EstablishedB. ActiveC. OperationalD. Connect




You work for the regional Internet service provider shown in the exhibit You have a partial BGP table and arereceiving a 10 100/16 route from your upstream ISP You have been asked to configure a default route that canbe sent to your downstream customer This route should forward customer traffic toward your upstream Tier11SP as long as the 10.100/16 route is present.What would accomplish this goal?

A. Create and announce an aggregate default routeB. Create and announce a static default route with a next-hop of discardC. Create and announce a static default route with a next-hop of rejectD. Create and announce a generated default routeE. Create an advertise-map with exist-map

Correct Answer: ESection: (none)Explanation



In the exhibit, OSPF routers R1, R2, R3, and R4 come up, in order, at 1-minute intervals Which router will bethe designated router?

A. R1B. R2C. R3D. R4



QUESTION 18You have been asked to configure an IPv6 address for a group of interfaces that could belong on differentrouters. If a packet is sent to that address, it should be received by all routers in the group. Which address typewould be suited for these requirements?

A. UnicastB. MulticastC. AnycastD. Broadcast



QUESTION 19What is the function of the hop limit field in the IPv6 header?

A. It limits the diameter of the network to 20 hopsB. It sets the number of hops in the network to be equal to the MPLS header time-to-live (TTL)C. It replaces the time-to-live (TTL) field in IPv4D. It represents future extensibility to the protocol



QUESTION 20You have been asked to define a default gateway for traffic leaving a router. This route should use interface so-0/0/0 as its next-hop. Which type of route would be suited for this scenario?

A. a static routeB. a generated routeC. a martian routeD. an aggregate route



QUESTION 21Click the Exhibit buttonIn the exhibit, how many full OSPF adjacencies will R3 have?

A. 0B. 1C. 2D. 3



QUESTION 22You are asked to design a Layer 2 switched topology that can automatically recover from link failures. Whichtype of protocol would you consider in your design?

A. GSTPB. LLDPC. LFMD. MSTP




When the Junos configuration shown in the exhibit is applied to the router, which routes in the forwarding tablewill begin load-balancing packet flows?

A. all routes in the forwarding tableB. all OSPF routes in the forwarding tableC. all BGP routes in the forwarding tableD. all RFC1918 routes in the forwarding table



QUESTION 24You have configured MPLS and RSVP in your network using all of the Junos defaults. You established an LSPin your network which is reporting an up status but no traffic is using it. Which two statements reflect potentialcauses for this issue? (Choose two)

A. The LSP egress address is a physical interface addressB. family MPLS was omitted from the router configurationsC. No BGP routes are being advertised from the remote neighborD. The LSP egress address does not match the BGP next-hop address



QUESTION 25Using industry best practices, what is true regarding an external BGP session?

A. BGP neighbors belong to the same ASB. BGP neighbors belong to a different ASC. BGP sessions rely on a static route for reach abilityD. BGP sessions will be established between loopback interface addresses.



QUESTION 26You own a home network connecting through an always-on connection and need to assign IPv6 addresses toyour routers because you want to follow the guidelines spelled out in RFC 3177. you want to design yournetwork with the correct prefixes.Which prefix would your ISP likely allocate to your network?

A. 47-bit prefixB. 48-bit prefixC. 64-bit prefixD. 128-bit prefix



QUESTION 27Which two BGP attributes are modified by default when they are passed between external BGP peers?(Choose two)

A. MEDB. AS-PathC. CommunitiesD. Next Hop




In an RSTP network, the root and designated ports have been elected as shown in the exhibit What will be theport type of port 1?

A. backup portB. discarding portC. alternate portD. listening port



QUESTION 29Which two statements about BGP are accurate? (Choose two.)

A. BGP uses UDP port 500 for connectivity.B. BGP uses TCP port 179 for connectivity.C. External peering sessions require an underlying IGP.D. Internal peering sessions require an underlying IGP.



QUESTION 30Which two elements contribute to the bridge ID when configuring RSTP? (Choose 2)

A. designated MAC addressB. bridge priorityC. extended system IDD. root IDE. bridge address

Correct Answer: ABSection: (none)Explanation


QUESTION 31You want to influence how traffic enters your networkUsing industry best practices, which two BGP attributes would you modify to accomplish this goal? (Choosetwo)

A. AS PathB. Local PreferenceC. Next HopD. MED



QUESTION 32You have recently installed a second Routing Engine (RE) in your router Which two statements correctlydescribe the expected behavior if the primary RE fails? (Choose two.)

A. The backup RE will assume the master role once the packet forwarding engine restartsB. The backup RE will immediately assume the master roleC. The new master RE restarts the routing protocol process (rpd) and establishes any required adjacencies

based on the configuration.D. The new master RE maintains the existing protocol adjacencies initially established by the previous master

RE

Correct Answer: ACSection: (none)Explanation


QUESTION 33Which command would you use to verify the presence of VPN routes on a PE device?

A. show route table bgp.l3vpn.0

B. show route protocol bgp terse | countC. show route table inet.0D. show route route-type vpn



QUESTION 34Which statement is true of a Layer 2 circuit?

A. Layer 2 circuits use BGP for signalingB. Layer 2 circuits use OSPF for signalingC. Layer 2 circuits use LDP for signalingD. Layer 2 circuits rely on RSVP for signaling




An operator is unable to establish any IS-IS adjacencies on a router in the network. Based on the configurationshown in the exhibit, what is the problem?

A. Interface loO must be configured in the IS-IS hierarchyB. Each network interface needs a unique family ISO addressC. The IS-IS level for an each interface must be specifiedD. The ISO address for interface loO is not in hex format



QUESTION 36What are three circumstances under which a router sends link-state PDUs (LSPs)? (Choose three)

A. LSPs are sent periodically every 9 secondsB. LSPs are sent when there is a network changeC. LSPs are sent during adjacency formationD. LSPs are sent in response to CSNP messagesE. LSPs are sent in response to PSNP messages

Correct Answer: BCESection: (none)Explanation


QUESTION 37In an RSTP network, which combination of port types can exist on the root bridge?

A. There can be some combination of designated ports and backup portsB. There can be some combination of root ports and alternate portsC. All ports will be designated portsD. All ports will be root ports

Correct Answer: C

Section: (none)Explanation


QUESTION 38Your company has purchased two new Juniper Networks MX480 routers. Your manager has asked you to addthese two devices to the existing ISIS network. Which two rules about ISIS adjacencies must you considerwhen carrying out the configuration? (Choose two)

A. For Level 1 adjacencies, area IDs must be the sameB. For Level 2 adjacencies area IDs must be the sameC. The IS-IS levels configured on the interfaces must be the sameD. The IS-IS levels on the interfaces can be different



QUESTION 39In the evaluation of an RSTP configuration BPDU.Which two values are contained in the Bridge ID value? (Choose two)

A. root bridge addressB. priorityC. originating bridge addressD. port number

Correct Answer: BCSection: (none)Explanation


QUESTION 40Under which Junos configuration hierarchy is a load-balancing policy applied?

A. [edit routing-options family inet]B. [edit forwarding-options family inet]C. [edit routing-options forwarding-table]D. [edit forwarding-options forwarding-table]



QUESTION 41Which two configuration elements are defined under an MSTP instance? (Choose two)

A. revision-levelB. bridge-priorityC. mstp-levelD. vlan




Given the network topology shown in the exhibit, you are configuring a GRE tunnel from Router A to Router CWhich interface configuration on Router A will successfully allow the tunnel to pass IPv4 traffic to Router C?

A. Option AB. Option BC. Option CD. Option D



QUESTION 43Which protocol is used by wired Ethernet to manage frame collisions?

A. IEEE 802.3 active monitoringB. IEEE 802.5 active monitoringC. carrier-sense multiple access with collision avoidanceD. carrier-sense multiple access with collision detection



QUESTION 44You have been asked to provision a service provider's network to accommodate Layer 3 VPNs as defined inRPC 4364.Which three tasks must be performed before the provider core is ready to carry VPN traffic? (Choose three.)

A. All P routers and PE routers must be configured to support MPLS administrative-groups (colors)B. All PE routers must be configured to support Multiprotocol BGP (MP-BGP)C. All P routers and PE routers must have a signaling protocol such as RSVP or LDP enabledD. All P routers and PE routers must have a discovery protocol such as LLDP or CDP enabledE. All P routers and PE routers must have MPLS reach ability to PE routers



QUESTION 45You would like two LDP routers on opposite sides of your network to become neighbors. Which LDP messageis used to form this relationship?

A. basic discoveryB. extended discoveryC. peer discoveryD. remote discovery



QUESTION 46In which two environments would BGP add value? (Choose two)

A. an enterprise environment with a single upstream connectionB. an enterprise environment with multiple upstream connectionsC. a service provider environmentD. a home office environment




Referring to the exhibit, which policy(s) will be applied to neighbor 172.18.4.5?

A. Import policy-a and policy-d. export policy-b and policy-cB. Import policy-d, export policy-b and policy-cC. Import policy-d. export policy-c.D. Import policy-d only



QUESTION 48Click the Exhibit button.

In the exhibit Router A and Router B are operating on the LAN with Router B acting as the designatedintermediate system (DIS).When Router C and Router D are added to the LAN. Which statement is true?

A. Router C becomes the new DIS with no backup DIS.B. Router D becomes the new DIS with no backup DIS.C. Router C becomes the new DIS with Router B as the backup DIS.D. Router D becomes the new DIS with Router A as the backup DIS.



QUESTION 49You are logged into a router and issue the command show route protocol bgp. You see that you have receivedthe route 10 0.4/24 from two different peers Both peers were learned using IBGP and Local-Preference. MED,Origin, and AS-path are equal.Which criterion is used for this situation?

A. cluster lengthB. router ID (RID)C. peer IDD. IGP cost



QUESTION 50How many equal-cost paths can be assigned to a single route in the Junos OS?

A. 4B. 16C. 32D. 64



QUESTION 51You want to configure support for an IPv6 environment In which hierarchy would you configure an OSPF area?

A. [edit protocols ospf-v6]B. [edit protocols ipv6-ospfC. [edit protocols ipv6JD. [edit protocols ospf3]



QUESTION 52Which action does the local router take after sending a Notification message to a remote peer?

A. It begins to send route update informationB. It tears down the TCP session and attempts to re-establish itC. It waits for the remote router to acknowledge that it is ready to receive routesD. It changes its local state to Established



QUESTION 53You have been asked to configure and assign addresses for your IPv6 routers in your network using dynamicassignment of DNS servers. You do not want the MAC address included as part of the IPv6 address.Which method of address assignment would accomplish these requirements?

A. DHCPB. stateless auto configurationC. DHCPv6D. stateful auto configuration




Which two topologies shown in the exhibit would require the use of a spanning-tree protocol? (Choose two)

A. ringB. treeC. starD. mesh



QUESTION 55Which three functions are performed by an OSPF area border router (ABR)? (Choose three)

A. flooding Summary LSAs to connected areasB. flooding ASBR Summary LSAs to connected areasC. generating all Router LSAs for connected neighborsD. performing summarization on routes headed to Area 0E. flooding NSSA External LSAs to Area 0

Correct Answer: ABDSection: (none)Explanation



QUESTION 56A customer configures a bridge domain using a VLAN ID of 222. Which configuration will allow for the switch topotentially look at the IP header of incoming frames tagged with a VLAN ID of 222?




QUESTION 57Your area border router (ABR) receives type 1.2 and 5 link-state advertisements (LSAs) from a non-backbonearea.What would the ABR do with the information learned from the non-backbone area?

A. The ABR will generate type 2 and 3 LSAs and flood type 5 LSAs to the backbone areaB. The ABR will generate only type 3 LSAs and flood only type 5 LSAs to the backbone areaC. The ABR will generate type 3 and 4 LSAs. And flood type 5 LSAs to the backbone areaD. The ABR will generate only type 4 LSAs and flood only type 5 LSAs to the backbone area



QUESTION 58Which label operation is performed by an MPLS ingress router?

A. PopB. PushC. ReplaceD. Swap



QUESTION 59An RSVP LSP in your network is operational but you are receiving complaints about network throughput acrossthe LSP. You suspect that the RSVP bandwidth was omitted from the router configuration.Which operational mode command will help you verify your suspicions?

A. show interfaces terseB. show mpls lsp extensiveC. show rsvp neighbor detailD. show rsvp bandwidth



QUESTION 60After configuring OSPF between two routers you check for an adjacency. You see that the adjacencies are notcoming up on an Ethernet segment.What are two reasons that would cause this situation? (Choose two)

A. You have a mismatched IP subnet/maskB. Your hello timer intervals are mismatched

C. You are not using the same Junos version on each sideD. You priority values are mismatched

Correct Answer: ABSection: (none)Explanation


QUESTION 61What is contained in an IS-IS CSNP message?

A. all of the headers of the LSPs in a router's link-state databaseB. all of the IP routes in a router's link-state databaseC. all of the IP routes in a router's routing tableD. all of the LSPs in a router's link-state database



QUESTION 62You want to ensure that your RSVP LSPs are following a particular path across the network. Which RSVPobject ensures that your desire will be met?

A. explicit route objectB. record route objectC. session objectD. traffic specification object



QUESTION 63Which statement is true about the operation of Layer 2 VPNs?

A. Layer 2 VPNs require that CE devices use the same Layer 2 encapsulationB. Layer 2 VPNs do not permit CE devices to operate a Layer 3 protocol with each otherC. Service provider routers must evaluate the IP header of packets as they traverse their networkD. Layer 2 VPNs allow CEs to use different encapsulations on either side of the VPN




Based on the illustration shown in the exhibit, what would PE-B do with a VPLS packet received from PE-A ifthe matching entry in its VPLS routing table showed the destination was connected to PE-D?

A. PE-B would flood the packet to all attached PEsB. PE-B would forward the packet to the root PE deviceC. PE-B would forward the packet to all attached CE devicesD. PE-B would discard the packet




Based on the configuration shown in the exhibit, which command would you use to display real- time hellos anderrors for IS-IS?

A. monitor file isis-logB. monitor start isis-logC. monitor log isis-logD. monitor syslog isis-log



QUESTION 66An Ethernet bridge is configured such that all interfaces are in a single broadcast domain By default. Which twotasks does the bridge perform in response to receiving a multicast frame? (Choose two)

A. It learns the source MAC addressB. It drops the frameC. It floods the frame out of all interfaces except the one on which it was receivedD. It floods the frame out of particular interfaces based on its multicast MAC table




An interface is configured as shown in the exhibit.What must also be configured for this interface to participate in VLAN 100 and 200?

A. broadcast domainsB. VLANsC. bridge domainsD. encapsulation type



QUESTION 68You are logged into a PE router participating in a Layer 3 VPN as defined in RFC 4364. You would like to pingthe remotely connected CE router's loopback address. The address of the loopback is 122.161.2.1, the VPNrouting-instance is called VPN-C. Which command will accomplish this goal?

A. ping instance VPN-C 122.161.2.1B. ping routing-instance VPN-C 122.161.2.1C. ping VPN-C 122.161.2.1D. ping vpn-instance VPN-C 122.161.2.1



QUESTION 69Which configuration can be applied to ensure that no more than 600 MAC addresses are learned by a virtualswitch?





You have two routers connected over a Gigabit Ethernet link as shown in the exhibit It is required that an IS-ISadjacency be established without the need for a designated intermediate system (DIS) Which configurationstatement entered on both routers will achieve this goal?

A. set interface ge-0/0/2 unit 0 family iso no-disB. set interface ge-0/0/2 unit 0 family iso point-to-pointC. set protocols isis interface ge-0/0/2.0 no-disD. set protocols isis interface ge-0/0/2.0 point-to-point




In the exhibit, all routers are sending routes to Router B Which routes will be advertised from Router B toRouter D?

A. BGP routes learned from Router A onlyB. BGP routes learned from Router E only

C. BGP routes learned from Routers A and C onlyD. BGP routes learned from Routers A, C and E only



QUESTION 72Which two problems occur when increasing numbers of users are added to an Ethernet LAN with no switchespresent? (Choose two.)

A. There is a greater chance for collisions to occurB. The MAC table sizes increaseC. Some devices will not see certain trafficD. There is unnecessary consumption of network bandwidth




Given the OSPF network topology shown in the exhibit, you would like to inject external (non- OSPF) routes intothe network on Router DWhich two OSPF area types will support this configuration? (Choose two)

A. stub areaB. totally stubby areaC. not-so-stubby area

D. non-backbone area



QUESTION 74In your network, you have two LDP routers connected across four physical interfaces. You have also enabledLDP to operate on all four of those interfaces. What is the resulting outcome of your configuration betweenthose two routers?

A. One session is built across one neighbor relationshipB. One session is built across four neighbor relationshipsC. Four sessions are built across one neighbor relationshipD. Four sessions are built across four neighbor relationships



QUESTION 75By default, which RSVP reservation style is used by the Junos OS?

A. fixed explicitB. fixed filterC. shared explicitD. wildcard filter



QUESTION 76Which three statements are true about BGP? (Choose three)

A. iBGP peering adds value in small networks with a single upstream connectionB. iBGP peering adds value in small networks with multiple upstream connectionsC. eBGP peering adds value in small networks with multiple upstream connectionsD. iBGP peering adds value in large enterprise environments with multiple upstream connectionsE. eBGP peering adds value in large enterprise environments with multiple upstream connections

Correct Answer: CDESection: (none)Explanation


QUESTION 77You observe that VPN routes are hidden on your PE router Which situation accounts for these hidden routes?

A. The protocol next-hop is not found in inet.3B. The protocol next-hop is not found in mpls 0C. The protocol next-hop is not found in bgp I3vpn 0D. The protocol next-hop is not found in inet 2



QUESTION 78To prevent fragmentation issues across a GRE tunnel, which MTU value is recommended for the tunnel toaccommodate most IP packets?

A. 1476B. 1492C. 1500D. 1524



QUESTION 79By default, which three criteria are used by the Junos load-balancing algorithm to determine a traffic flow?(Choose three.)

A. protocolB. source portC. destination portD. source addressE. destination address

Correct Answer: ADESection: (none)Explanation



Based on the configuration shown in the exhibit, what will be the state of the IS-IS levels on interface ge-0/0/0.100?

A. Level 1 is enabled and Level 2 is disabled.B. Level 1 is disabled and Level 2 is enabled.C. Level 1 is enabled and Level 2 is enabled.D. Level 1 is disabled and Level 2 is disabled.



QUESTION 81Referring to the exhibit,

which firewall filter action(s) will be applied to incoming frames to ge-1/0/3?

A. Frames will be counted initially by filterB and then counted by filterA.B. Frames will be counted initially by filterA and then counted by filterB.C. Frames will be counted by filterA only.D. Frames will be counted by filterB only.




Given the OSPF topology shown in the exhibit, how many unique link-state databases are present in thenetwork?

A. 1B. 2C. 3D. 6



QUESTION 83Click the Exhibit button.In the exhibit, three IPv6 addresses are listed. Which two statements are true? (Choose two.)

A. The first address is complete and correct.B. The third address is not formatted correctly.C. All three addresses are the same.D. The second address is incomplete and not correct.



QUESTION 84You have just configured IPv6 in your network. A packet arrives on your router that exceeds the MTU size. Howwill an IPv6 router respond?

A. The fragment offset is referenced and the packet is fragmented.B. The packet is kept intact and not fragmented.C. The packet is dropped.D. The packet is fragmented based on extension headers.



QUESTION 85Which two statements reflect benefits of performing per-flow load balancing over per-packet load balancing?(Choose two.)

A. All physical links in the network are used equally.B. Packets arrive at the destination in the order they were sent.C. Provides easier implementation of class of service policies.D. Allows the destination host to re-order packets and increase performance.



QUESTION 86By default, the Junos OS advertises which address(es) in LDP forwarding equivalency class (FEC) messages?

A. all router addressesB. all transit interfacesC. loopback addressD. primary transit interface address




Two bridge domains are configured as shown in the exhibit. What must be configured as part of the ge-1/0/3interface configuration to accept tagged frames of VLANs 100 and 200?

A. encapsulation vlan-bridgeB. encapsulation ethernet-bridgeC. interface-mode trunkD. vlan-id-range [100 200]



QUESTION 88What are three valid BGP message types? (Choose three.)

A. RefreshB. HelloC. RouteD. KeepaliveE. Open

Correct Answer: ADESection: (none)Explanation


QUESTION 89What are two benefits of using an OSPF designated router (DR)? (Choose two.)

A. Reduces the size of the link-state database.B. Reduces LSA flooding on a broadcast segment.C. Reduces LSA flooding throughout an OSPF area.D. Reduces router resources used.

Correct Answer: ACSection: (none)

Explanation


QUESTION 90Which three statements are true regarding the show system switchover operational mode command? (Choosethree.)

A. This command can only be issued on the master Routing Engine.B. This command displays the status of graceful switchover.C. This command can only be issued on the backup Routing Engine.D. This command displays the status of the interface and process databases.E. This command displays the status of the kernel database.



QUESTION 91You have been asked to use a convention that allows for auto configuration of interface addresses.You are not allowed to use DHCPv6. What do you do?

A. Use IPv4 with the autoconfig option under family inet.B. Use IPv6 in the network to configure hosts.C. Use a program (e.g. Vector-Wiz) to auto configure IP addresses.D. Use an IPv6 static configuration.



QUESTION 92You notice that the RID of your router is being taken from the address of your management interface.What could cause this scenario?

A. The loopback address was configured with a /32 address.B. The loopback address was not configured under [edit protocols ospf].C. A suitable loopback address was not configured on the router.D. The loopback address was configured under [edit routing-options].



QUESTION 93You have been asked to identify what the contributing routes are for route 204.7.15/21.Which command will

show this information?

A. show route 204.7.15/21B. show route 204.7.15/21 extendedC. show route 204.7.15/21 exact summaryD. show route 204.7.15/21 detail



QUESTION 94Which packet type does the router use to request up-to-date link-state information?




QUESTION 95Which forwarding table designation is used to indicate that load balancing is working correctly?

A. ucstB. msctC. ulstD. mlst



QUESTION 96Which two statements are correct regarding VPLS mesh groups? (Choose two.)

A. Unicast packets destined to another PE router within the same mesh group are dropped by the local PErouter.

B. Unicast packets destined to another PE router in a different mesh group are dropped by the local PE router.C. Broadcast, multicast, and unicast packets of unknown origin received from a PE router are flooded to all

local CE routers.D. Broadcast, multicast, and unicast packets of unknown origin received from a PE router are flooded to all

remote PE routers.



QUESTION 97Router A receives two similar route advertisements from different BGP peers.What would cause a route to beselected in this scenario?

A. having a lower MED valueB. having a lower local preferenceC. learning a route from a peer with a higher peer IDD. learning a route from a peer with a higher IGP metric



QUESTION 98Which two configuration elements must match on all switches participating in the same MSTP region? (Choosetwo.)

A. mstp-versionB. configuration-nameC. msti-revisionD. revision-level




What does IS-IS/18 mean in the output displayed in the exhibit?

A. These routes are internal Level 1 routes.B. These routes are internal Level 2 routes.C. These routes are external Level 1 routes.D. These routes are external Level 2 routes.



QUESTION 100What are two characteristics of a traditional Ethernet LAN? (Choose two.)

A. Nodes share a physical medium.B. Nodes can successfully transmit simultaneously.C. It consists of a single broadcast domain.D. Nodes use a step-up algorithm when collisions are detected.



QUESTION 101You are logged into a PE router participating in a Layer 3 VPN as defined in RFC 4364. You would like to pingthe locally connected CE router's interface. The address of the interface is 192.168.1.1; the VPN routing-instance is named VPN-A. Which command will accomplish this task?

A. ping routing-instance VPN-A 192.168.1.1B. ping instance VPN-A 192.168.1.1C. ping vpn-instance VPN-A 192.168.1.1D. ping VPN-A 192.168.1.1E. ping mpls l3vpn VPN-A 192.168.1.1



QUESTION 102Before configuring an RSVP LSP in your network, you first apply a baseline configuration to all of the routers.Which three configuration elements are minimally required in the baseline? (Choose three.)

A. family mpls on the loopback interfaceB. family mpls on the transit interfacesC. protocols ldp for the appropriate interfaces

D. protocols mpls for the appropriate interfacesE. protocols rsvp for the appropriate interfaces

Correct Answer: BDESection: (none)Explanation



From the output shown in the exhibit, what would happen to a packet destined for address 172.29.3.5?

A. The address is not in the aggregate range; the packet is sent to the Routing Engine.B. The address is in the aggregate range; the packet will be silently dropped.C. The address is not in the aggregate range; the packet will be forwarded.D. The address is in the aggregate range; the packet will be dropped.



QUESTION 104Your customer complains that their Layer 3 VPN is not passing traffic from one site to another. You assignedthat customer to VPN-A. Which command on the PE router will confirm the presence of customer routes?

A. show route VPN-A

B. show route VPN-A table bgp.l2vpn.0C. show route table inet.3 VPN-AD. show route table VPN-A. inet.0



QUESTION 105In an IS-IS network, which device represents the pseudo-node?

A. a designated intermediate systemB. an area border routerC. a router with an IS-IS export policyD. a router connected to the backbone



QUESTION 106Router B is an OSPF router connected to both Area 0 and Area 2. Area 2 has been configured as a totallystubby area. Which three LSA types does Router B suppress from Area 2? (Choose four.)

A. Router LSAB. Network LSAC. External LSAD. Summary LSAE. ASBR Summary LSA

Correct Answer: ACDESection: (none)Explanation


QUESTION 107What is the size of the unique address used to identify each node on an Ethernet LAN?

A. 3 bytesB. 6 bytesC. 9 bytesD. 12 bytes



QUESTION 108Which two IS-IS packet types are used to maintain IS-IS database synchronization? (Choose two.)




QUESTION 109You notice that a route from internal BGP peer 192.168.1.1 is missing from the local route table. Which twocommands would be used to help identify the source of the problem? (Choose two.)

A. show route bgpB. show route protocol bgp hiddenC. show route receive-protocol bgp 192.168.1.1D. show route advertising-protocol bgp 192.168.1.1



QUESTION 110What are three ways to configure IPv6 addresses in your network? (Choose three.)

A. Statically configure your IPv6 addresses.B. Configure your IPv6 addresses using stateless auto configuration.C. Configure your IPv6 addresses by setting up a DHCPv6 server.D. Configure your IPv6 addresses by assigning your router a prefix list.E. Configure your IPv6 addresses by configuring support for unicast-arp-negotiation.

Correct Answer: ABCSection: (none)Explanation



Which two topologies shown in the exhibit could be implemented without a spanning-tree protocol? (Choosetwo.)

A. ringB. treeC. starD. mesh




In the exhibit, all routers are sending routes to Router B. Which routes will be advertised from Router B toRouter E?

A. BGP routes learned from Router A onlyB. BGP routes learned from Router D onlyC. BGP routes learned from Routers A and C onlyD. BGP routes learned from Routers A, C, and D only



QUESTION 113In your RSVP network you have configured three separate LSPs to the same egress address. You have madeno other configuration changes to the forwarding decisions made by the router. Which commands can you useto determine which LSP is being used to forward packets?

A. show route table inet.3B. show route table inet.4C. show rsvp neighborD. show rsvp session



QUESTION 114Which two values are used by an RSTP bridge to remove stale BPDU information? (Choose two.)

A. Message AgeB. Forwarding DelayC. Hello TimeD. Max Age




After the MAC learning limit of 3000 is reached for the bd bridge domain as shown in the exhibit, what happensto frames that arrive that contain unknown unicast destination addresses?

A. They are flooded.B. The are forwarded to the default gateway.C. They are dropped.D. They are forwarded to the IRB interface.



QUESTION 116You have recently configured MSTP on two switches in your network to participate in the same MSTP region.You issue the show spanning-tree mstp configuration command on both switches and notice that theconfiguration digests do not match. What does this mismatch indicate?

A. Everything is functioning as expected because the configuration digests should not match.B. You should ensure that the max-age and hello timers are equal on both switches.C. You should ensure that the bridge IDs and priority values are unique on both switches.D. You should ensure that the MSTIs and their VLAN IDs are equal on both switches.

Correct Answer: D

Section: (none)Explanation


QUESTION 117You have a stub OSPF area running in your network. Your supervisor has asked you to build a virtual linkacross this area to connect new equipment acquired in a recent ISP acquisition. Which statement is correctabout this scenario?

A. Type 5 LSAs would be blocked in a stub area.B. Type 5 LSAs would carry external information across your transit area to the backbone.C. Type 5 LSAs would be seen only in the newly attached area.D. Type 5 LSAs would be converted to type 7 LSAs.



QUESTION 118You own a small company and need to assign IPv6 addresses to your routers. Because you want to follow theguidelines spelled out in RFC 3177, you want to design your network with the correct prefixes. Which prefixwould your ISP likely allocate to your company?

A. 47-bit prefixB. 48-bit prefixC. 64-bit prefixD. 128-bit prefix



QUESTION 119Your customer would like to forward traffic using DLCI 600 and maintain Layer 2 information across aVPN.Which solution will meet these requirements?

A. a Layer 3 VPNB. a Layer 2 VPNC. Virtual Private LAN Service (VPLS)D. an IPsec VPN



QUESTION 120You have two OSPF routers that are trying to form an adjacency. When you issue the command show ospfneighbor, you see that one router is in the loading state and the other is in the full state.Why are you seeing therouter's state as loading?

A. The router does not know about the received LSA header and has transmitted a link-state request.B. The router has finished transmitting, but is still receiving database information.C. The router is waiting for a start event.D. The router has established bidirectional communication with its peer.



QUESTION 121Which two events could cause the BGP Active state to appear? (Choose two.)

A. The local router does not have a route to the peer device.B. The local router failed to establish a TCP connection with the peer device.C. A firewall is stopping all UDP packets.D. The BGP configuration is incomplete.




The policy shown in the exhibit has been configured and installed on your router.What is the result of applying this policy?

A. The 172.18.1.0/24 network will be redistributed into OSPF as an external route.B. The 172.18.1.0/24 network will be redistributed into OSPF as an internal route.C. The 172.18.1.0/32 network will be redistributed into OSPF as an external route.D. The 172.18.1.0/32 network will be redistributed into OSPF as an internal route.



QUESTION 123Which type of router can provide connectivity between areas in an IS-IS domain?

A. a Level 1 router with adjacencies within a single areaB. a Level 2 router with adjacencies in more than one areaC. an area border router with adjacencies in more than one areaD. a Level 2 router with adjacencies in a single area



QUESTION 124You have been asked to provision a service provider's network to accommodate Layer 3 VPNs as defined inRFC 4364.Which three tasks must be performed before the provider network is ready to carry VPN traffic?(Choose three.)

A. All Juniper Networks PE routers must be configured with an appropriate router-ID unique to the VPN.B. All Juniper Networks PE routers must be configured with an appropriate route-target unique to the VPN.C. All Juniper Networks PE routers must be configured with a routing-instance of type forwarding.D. All Juniper Networks PE routers must be configured with a routing-instance of type vrf.E. All Juniper Networks PE routers must be configured with a routing-instance containing the CE- facing

interface.

Correct Answer: BDESection: (none)Explanation


QUESTION 125By default, which BGP attribute is only compared when two route advertisements are received from the sameneighboring AS?

A. MEDB. AS-PathC. CommunitiesD. Next Hop




Referring to the exhibit, what must be true of the vlan_100 bridge domain?

A. vlan_100 has at least one Ethernet interface assigned to it.B. vlan_100 does not have an Ethernet interface assigned to it.C. vlan_100 might have an active Ethernet interface assigned to it.D. vlan_100 does not have an active Ethernet interface assigned to it.



QUESTION 127An Ethernet bridge is configured such that all interfaces are in a single broadcast domain.Which two tasks doesthe bridge perform in response to receiving a frame with an unknown unicast destination MAC address?(Choose two.)

A. It drops the frame.B. It floods the frame out of all interfaces except the one on which is was received.C. It learns the destination MAC address.D. It learns the source MAC address.



QUESTION 128You have configured multiple IP-IP tunnels across your network to provide connectivity to remote sites.Which technique is used to help the IP endpoints in your network determine the optimal packet size to sendacross your tunnels?

A. path MTU discoveryB. fragmentation discoveryC. end-to-end MTU discoveryD. packet throughput discovery




Documents

JN0-360 V11.02 formatted - GRATIS EXAM