Pass4sure 400-101 Question Answer

CCIE R&S WRITTEN EXAM

CCIE 400-401 Certification Exam Questions & Answers Pack

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CCIE 400-401 Exam Information

Exam Number

400-401 CCIE

Associated Certifications

CCIE Routing and Switching

Duration of Exam

120 Minutes

Number of Questions

(90 - 110 questions)

Available Languages

English, Japanese

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What is CCIE 400-401 Certification Exam....???

CCIE Composite Exam:

The 400-401 CCIE is the composite exam associated with the Cisco CCIE Routing and Switching certification. Candidates can prepare for this exam by taking the Interconnecting Cisco Networking Devices. This exam tests a candidate's knowledge and skills required to install, operate, and troubleshoot a small to medium size enterprise branch network.



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CCIE 400-401 Exam Questions & Answers

Which three statements about the output are true? (Choose three.)

A. An mrouter port can be learned by receiving a PIM hello packet from a multicast router. B. This switch is configured as a multicast router. C. Gi2/0/1 is a trunk link that connects to a multicast router. D. An mrouter port is learned when a multicast data stream is received on that port from a multicast router. E. This switch is not configured as a multicast router. It is configured only for IGMP snooping. F. IGMP reports are received only on Gi2/0/1 and are never transmitted out Gi2/0/1 for VLANs 10 and 20.

Answer: A, B, Chttp://www.pass4surebraindumps.com/400-101.html



Which technology does the use of bi-directional BPDUs on all ports in the topology support?

A. RSTP B. MST C. Bridge Assurance D. Loop Guard E. Root GuardF. UDLD

Answer: C http://www.pass4surebraindumps.com/400-101.html



What is the role of this multicast router?

A. a first-hop PIM router B. a last-hop PIM router C. a PIM rendezvous point D. a PIM inter-AS router

Answer: Chttp://www.pass4surebraindumps.com/400-101.html



For which reason could a BGP-speaking device in autonomous system 65534 be prevented from installing the given route in its BGP table?

A. The AS number of the BGP is specified in the given AS_PATH. B. The origin of the given route is unknown. C. BGP is designed only for publicly routed addresses. D. The AS_PATH for the specified prefix exceeds the maximum number of ASs allowed. E. BGP does not allow the AS number 65535.

Answer: Ahttp://www.pass4surebraindumps.com/400-101.html



A TCP/IP host is able to transmit small amounts of data (typically less than 1500 bytes), but attempts to transmit larger amounts of data hang and then time out. What is the cause of this problem?

A. A link is flapping between two intermediate devices. B. The processor of an intermediate router is averaging 90 percent utilization. C. A port on the switch that is connected to the TCP/IP host is duplicating traffic and sending it to a port that has a sniffer attached. D. There is a PMTUD failure in the network path.

Answer: D




Which congestion-avoidance or congestion-management technique can cause global synchronization?

A. Tail drop B. Random early detection C. Weighted random early detection D. Weighted fair queuing

Answer: A




Which two options are reasons for TCP starvation? (Choose two.)

A. The use of tail drop B. The use of WRED C. Mixing TCP and UDP traffic in the same traffic class D. The use of TCP congestion control

Answer: C, D




Which type of port would have root guard enabled on it?

A. A root port B. An alternate port C. A blocked port D. A designated port

Answer: D




Which three statements are true about PPP CHAP authentication? (Choose three.)

A. PPP encapsulation must be enabled globally. B. The LCP phase must be complete and in closed state. C. The hostname used by a router for CHAP authentication cannot be changed. D. PPP encapsulation must be enabled on the interface. E. The LCP phase must be complete and in open state. F. By default, the router uses its hostname to identify itself to the peer.

Answer: D, E, F




Which two options are causes of out-of-order packets? (Choose two.)

A. a routing loop B. a router in the packet flow path that is intermittently dropping packets C. high latency D. packets in a flow traversing multiple paths through the network E. some packets in a flow being process-switched and others being interrupt-switched on a transit router

Answer: D, Ehttp://www.pass4surebraindumps.com/400-101.html


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