Discovery III Chapter 10

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Questionnaire DRSEnt Chapter 9

Cisco Discovery - DRSEnt Mo

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Q.1 In which VTP mode can a switch create VLANs, ignore VTP messages, and not pass local VLAN informatio

Client

Server

Pruning

Transparent

Q.2 What are two characteristics of an extended ACL? (Choose two.)

IP is used to specify TCP traffic only.

IP is used to specify TCP and UDP traffic only.

IP is used to specify all TCP/IP protocols including TCP, UDP, ICMP and routing protocols.

Traffic can be filtered on source address only.

Traffic can be filtered on source and destination address only.

Traffic can be filtered on source and destination address, protocol, and specific port number.

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Q.3 Which two statements are true regarding a PPP connection between two Cisco routers? (Choose two.)

LCP tests the quality of the link.

LCP manages compression on the link

Only a single NCP is allowed between the two routers.

NCP terminates the link when data exchange is complete.

With CHAP authentication, the routers exchange plain text passwords.

Q.4 Assuming VLSM is not being used, what impact will adding the command ip route 172.16.64.0 255.255.2

All packets with a destination address between 172.16.64.1 and 172.16.80.254 will be forwarded out seri

All packets with a destination address between 172.16.64.1 and 172.16.255.254 will be forwarded out se

All packets with a destination address between 172.16.64.1 and 172.16.79.254 will be forwarded out seri

All packets with a destination address between 172.16.0.1 and 172.16.64.254 will be forwarded out serial

Q.5 Refer to the exhibit. The network is using OSPF as the routing protocol. A network administrator issues th

RB has the lowest priority value.

RC and RD have the lowest router IDs on the network.

RA has established adjacencies with all neighbor routers.

RA and RB cannot form an adjacency because they are stuck in the 2-way state.

Q.6 A sales representative is preparing to send sensitive information to corporate headquarters from a hotel rInternet access. What solution was implemented for the sales representative?

VPN

Frame Relay

PPP with CHAP authentication

PPP with PAP authentication




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Q.7 Refer to the exhibit. A network administrator noticed that the VLAN configuration changes at SW2 did notpossible cause of the problem?

VTP V2 mode is disabled.

SW3 is configured as transparent mode.

The number of existing VLANs does not match.

The configuration revision number does not match.

Q.8 Refer to the exhibit. Because of continuing instability of one of the serial links in the OSPF network, a netconfiguration? (Choose two.)




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Traffic intended for destinations across unstable serial links will be forwarded by ASBR even when the link

A summary route of 192.168.0.0/22 will be advertised to the ISP router.

Serial links in range 192.168.0.0 255.255.252.0 will be forced into a passive state.

Networks connected to the unstable serial links will be placed in an unreachable state.

Negative effects of route flapping will be reduced.

Q.9 Which two criteria are used by STP to select a root bridge? (Choose two.)

memory size

bridge priority

number of ports

switch location

switching speed

base MAC address

Q.10 A company is using a Class B IP addressing scheme and expects to need as many as 150 networks. Wh

255.255.0.0255.255.240.0

255.255.254.0

255.255.255.0

255.255.255.128

255.255.255.192

Q.11 What is the term for the value 2172416 that is highlighted in the output of the show ip eigrp topology c

feasible distance of the successor

reported distance of the successor

feasible distance of the feasible successor

reported distance of the feasible successor




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Q.12 Refer to the exhibit. RIPv2 is configured in the network shown. Hosts in the network have access to all ithe exhibit, be added to provide Internet access for all hosts in the network?

R1

R2

R3

ISP

Q.13 What do companies gain from the services performed at the enterprise edge?

faster communication with server farms

stronger security against malicious attacks

faster communication with Internet destinations

enhanced performance and reliability through VLANs and redundant trunk links

Q.14 Refer to the exhibit. A network administrator wishes to deny Internet access to all R2 LAN hosts, while aexhibit should be placed to meet these requirements?

R2: Fa0/0 inbound

R1: S0/1/0 outbound

R1: S0/0/1 inbound




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R2: S0/0/1 outbound

R2: Fa0/0 outbound

Q.15 Refer to the exhibit. In what sequence (from first to last) does an OSPF router check the parameters list

C, B, A, DD, C, B, A

A, B, C, D

A, C, B, D

B, C, A, D

Q.16 What two statements are true regarding EIGRP tables? (Choose two.)

A feasible successor route can be found in the topology table.

A successor route can only be found in the routing table.

The topology table shows whether a route is in the passive or active state.

The routing table shows the amount of time elapsed since a router adjacency was formed.

The neighbor table shows all adjacent Cisco devices.

Administrative distance is shown as a column in the neighbor table.




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Q.17 Refer to the exhibit. Assuming that all three routers are configured with the EIGRP routing protocol and

Router B has EIGRP adjacencies with both router A and C.

Router B has a fully converged topology table.

Router B has not formed an adjacency with router A.

Router B has not formed an adjacency with router C.

Q.18 Which three statements are true about RSTP? (Choose three.)

RSTP can fall back to STP to provide support for legacy equipment.

RSTP and STP have the same number of port states.

Like PortFast and UplinkFast, RSTP is a proprietary protocol.

RSTP takes up to 50 seconds to converge.

RSTP requires a point-to-point, full-duplex connection.

RSTP views all ports that are not discarding as part of an active topology.

Q.19 Refer to the exhibit. A network support technician has been asked to set an IP address on one of the Fa

The IP address is already in use.

The technician is using a network address.

The technician is using the wrong subnet mask for /26

The technician must enable VLSM on the interface.

Q.20 Refer to the exhibit. A network administrator enters the command ip route 10.10.4.16 255.255.255.248

A static route pointing to 10.10.4.16/29 is placed into the routing table.

A static route to 10.10.4.16/29 is placed into the routing table if interface FastEthernet0/1 goes down.

A static route pointing to 10.10.4.16/29 is only placed into the routing table if the route to 10.10.4.0 is re

A static route is not placed into the routing table because a RIP route that includes the destination networ




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Q.21 Refer to the exhibit. R1 is connected to the Internet through its serial 0/0/0 interface. Hosts on the 192.configuration issues might explain this failure? (Choose two.)

The ip nat pool command has not been applied correctly.

The inside interface has not been defined on R1.

The access list does not include the group of IP addresses that are supported by the inside network.

The ip address that is assigned to the serial 0/0/0 interface is incorrect

The outside interface has not been defined on R1.

Q.22 Refer to the exhibit. R1 and R2 are connected via serial interfaces. Both interfaces show that there is Labetween the two interfaces are unsuccessful. What is the cause of this connectivity problem?

no set loopback

incorrect subnet mask on R2

incompatible bandwidth

incorrect IP address on R1

incompatible encapsulation




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Q.23 Which two statements describe how the information contained in a BPDU is used by a switch? (Choose t

to set the duplex mode of a redundant link

to activate looped paths throughout the network

to determine the root bridge

to prevent loops by sharing routing tables between connected switches

to determine which ports are placed in forwarding mode

Q.24 When MD5 authentication is used for OSPF routing protocol authentication, what two facts are known ab

The key passes between routers in plain text.

The key is used to help generate an encrypted number for authentication.

The key passes between routers in encrypted form.

The key is never transmitted.

The key can be captured by using a packet sniffer.

Q.25 Refer to the exhibit. If router RTA fails, which statement is true?

Hosts A and B can reach each other, but cannot reach hosts C and D or the server.

No host can reach any other host.

Hosts A, B, C, and D can reach each other, but cannot reach the server.

All hosts can reach each other.

Q.26 Which command should a network administrator issue to disable default summarization in an EIGRP net

Router(config-router)# null 0 route

Router(config-if)# no ip summary-address

Router(config-router)# no ip summary-address

Router(config-if)# no auto-summary

Router(config-router)# no auto-summary




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Q.27 Refer to the exhibit. Users on the 172.30.20.0/24 network are unable to access any of the servers locatproblems exist in this network? (Choose two.)

There is a routing loop occurring between all three routers.

There is a network statement missing.

Network 172.30.20.0 has an incorrect wildcard mask.

The OSPF Area configuration is incorrect.

/23 is an invalid subnet mask for the 192.168.0.0 network.




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Q.28 Refer to the exhibit. Which IP addressing scheme would be correct for the network?

H1-172.18.0.10/16H2-172.18.0.11/16H3-172.18.0.12/16

H1-172.18.0.10/16H2-172.19.0.10/16H3-172.18.0.11/16

H1-172.18.0.10/16H2-172.18.0.11/16H3-172.19.0.11/16

H1-172.18.0.10/16H2-172.19.0.11/16H3-172.19.0.11/16

Q.29 Refer to the exhibit. An administrator is adding a new router to the network. The IP address 192.168.13administrator assign to the serial interface of the new router?

192.168.13.4/30

192.168.13.5/30




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192.168.13.7/30

192.168.13.58/30

192.168.13.61/27

192.168.13.63/27

Q.30 After comparing a previous baseline to current network statistics, the network engineer has discovered

and control the unwanted traffic? (Choose two.)

define an ACL at the distribution layer to isolate packets

add an ACL at the router in the enterprise edge to block the traffic

deploy a Layer 3 switch to contain broadcasts

connect remote locations directly to the intranet

configure all hosts with the same default gateway to eliminate unnecessary broadcasts

deploy one core ISP router to reduce the delay in path determination

Q.31 Which statement is accurate about the CIR in Frame Relay?

It is important to purchase a CIR that matches the highest bandwidth requirements of the enterprise.The CIR can be no lower than the port speed of the local loop.

The CIR defines the contracted maximum rate available from the service provider on the Frame Relay circ

It is possible to burst over the CIR if bandwidth is available.

Q.32 A sales representative is using a wireless connection to make a VoIP call. Which protocol will be used to

TCP

UDP

PPP

HDLC

Q.33 A network administrator wants to deny responses to ping requests. Which ACL statement denies ping re

access-list 123 deny tcp any any eq 80



access-list 123 deny icmp any any echo-reply

access-list 101 deny tcp any any established

Q.34 Why would a network administrator want to limit the size of failure domains when designing a network?

to eliminate the effects of Ethernet collisions

to reduce the impact of a key device or service failure

to reduce the impact of Internet congestion on critical traffic

to eliminate the need to block broadcast packets at the edge of the local network

Q.35 What are two benefits of implementing VLANs in an enterprise network? (Choose two.)

eliminates the need for a Layer 3 device




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provides segmentation of broadcast domains

allows for the propagation of broadcasts from one local network to another

allows for the logical grouping of devices despite physical location

prevents issues such as broadcast storms by ensuring a loop free environment

Q.36 Which three IP addresses are valid host addresses in the 10.200.0.0/20 network? (Choose three.)

10.200.11.69

10.200.16.1

10.200.0.255

10.201.0.55

10.200.15.240

10.200.30.29

Q.37 Refer to the exhibit. Assuming that the RIPv1 routing protocol is enabled and that all networks are bein

All packets from H1 that are destined to H2 will arrive at H2.

None of the packets from H1 that are destined to H2 will arrive at H2.

Approximately half the traffic from H1 that is destined to H2 will reach R3.

Some of the packets from H1 that are destined to H2 will be sent to the switch that is connected to netwo




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Q.38 Refer to the exhibit. Which route will appear in the routing table?

R 10.10.4.0/24 [120/1] via 10.10.10.1, 00:00:12, FastEthernet0/1





Q.39 Refer to the exhibit. Server7 has been added to the server farm network. The hosts can ping Servers 2connected to the switch. What is the cause of this problem?

The Fa0/1 port on the switch should be in access mode.

The switch IP address is not on the same subnet as Server7.

The switch port used for Server7 is not in the same VLAN as Server2 and Server3.

The Fa0/0 interface of the router has not been configured for subinterfaces to support inter-VLAN routing.

Q.40 What will be the two wildcard masks required in an extended access list statement that blocks traffic to

0.0.0.0255.255.240.0

255.255.255.255

0.0.31.255

255.255.255.240

0.0.0.31

Q.41 If a modem is being used to connect to an ISP, which WAN connection type is being used?




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leased line

cell switched

circuit switched

packet switched

Q.42 Refer to the exhibit. A network administrator must manually summarize all IP addresses on the POP rou

192.168.0.0/22

192.168.0.0/23

192.168.0.0/24

192.168.0.0/25

Q.43 Refer to the exhibit. OSPF is enabled and the network has completely converged. Which two routers will

R1

R2

R3




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The 172.16.1.0/24 network is directly attached to the router that produced this output.

The Null0 interface indicates that this is not an actual path, but a summary for advertising purposes.

Q.46 Refer to the exhibit. What three facts represent the result of DR and BDR elections in this OSPF network

RTC will be the DR of 10.5.0.0/30.

RTD will be the BDR of 10.5.0.0/30.

RTD will be the DR of 10.4.0.0/28.

RTB will be the BDR of 10.7.0.0/28.

RTB will be the DR of 10.7.0.0/28.RTA will be the BDR of 10.4.0.0/28.




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192.168.1.0/22

192.168.4.0/21

192.168.6.0/23

192.168.8.0/21

192.168.4.0/22

Q.49 Which two statements are true about the native VLAN on a switch? (Choose two.)

It requires a special VLAN ID tag.

It is unable to be changed to a different VLAN.

Untagged traffic slows the switching process down

The native VLAN defaults to VLAN 1 on Cisco Catalyst switches.

Untagged frames that are received on a trunk become members of this VLAN

Q.50 Refer to the exhibit. A company has recently installed a new switch (S2) into their network.After severalto the new switch. Given the show vtp status command output, what is the possible problem that prevents th

VTP version mismatch

VTP domain name mismatch

VTP revision number mismatch

Time synchronization problems




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Q.53 The headquarters of a corporation uses static routes to connect to three branch offices. What are two a

Static routes are more secure.

Static routes converge faster.

Static routes have higher administrative distances than dynamic routing protocols.

The metrics of a static route need adjusting only if the bandwidth of the WAN connection changes.They are more stable and less susceptible to network changes in the interior gateway protocol.

Q.54 What are two ways VLAN memberships can be created in an enterprise network? (Choose two.)

manually configuring the switch ports to be part of a VLAN

allowing the user to choose a specific VLAN through a GUI menu

configuring the switch to allow VLAN membership based on NetBIOS association

implementing an access list that specifies which devices are placed into specific VLANs.

associating MAC addresses to specific VLANs in a VLAN management policy server database

manually configuring the host devices to be part of a VLAN

Q.55 Which two statements are true about RIPv1 and RIPv2? (Choose two.)

Both versions broadcast updates on port 520.

Both versions send the subnet mask as part of the update.

By default, both versions will receive RIPv1 and RIPv2 updates.

Both versions support the features of split horizon and poison reverse

By default, both versions automatically summarize routes.

RIPv1 has a higher AD than RIPv2 has.

Q.56 Which bandwidth allocation technique minimizes bandwidth waste by reallocating unused time slices to

VPN

NCP

TDM

STP

STDM

Q.57 Refer to the exhibit. What is represented by the Null0 route for the 128.107.0.0 network?




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