Download CCIE Routing and Switching Written Exam v5-1.examcollection.400-101.2020-01-13.1e.481q.vcex


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Exam CCIE Routing and Switching Written Exam v5.1
Number 400-101
File Name CCIE Routing and Switching Written Exam v5-1.examcollection.400-101.2020-01-13.1e.481q.vcex
Size 11.98 Mb
Posted January 13, 2020
Downloads 45



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Demo Questions

Question 1
Which regular expression will match prefixes from the AS 200 that is directly connected to our AS?

  • A: ^$
  • B: ^200)
  • C: _200$
  • D: _200_
  • E: ^200_



Question 2
Which two statements about TCP MSS are true? (Choose two.)

  • A: It operates at Layer 3.
  • B: It sets the minimum amount of data that a host accepts in an individual datagram.
  • C: The two endpoints in a TCP connection report their MSS values to one another.
  • D: MSS values are sent in TCP SYN packets.
  • E: It sets the maximum amount of data that a host sends in an individual datagram.



Question 3
Which statement about Cisco Express Forwarding is true?

  • A: Layer 2 next-hop address information is maintained in the FIB table.
  • B: The FIB table resides on the route processor and the adjacency table resides on the line cards when Cisco Express Forwarding is enabled.
  • C: The FIB table and the adjacency table reside on the line cards when Cisco Express Forwarding is enabled.
  • D: Layer 2 next-hop address information is maintained in the adjacency table.



Question 4
What is the default time-out value of an ARP entry in Cisco IOS Software?

  • A: 60 minutes
  • B: 720 minutes
  • C: 240 minutes
  • D: 120 minutes
  • E: 480 minutes



Question 5
Which two statements about asymmetric routing are true? (Choose two)

  • A: It can cause packet loss over stateful ICMP and UDP connections.
  • B: It can cause packet loss when a stateful firewall is in use.
  • C: It can cause TCP connections to close.
  • D: It can cause packet loss when NAT is in use.
  • E: It is uncommon in large networks.



Question 6
For which two conditions is Cisco Express Forwarding recursion disabled by default when the BGP Prefix Independent Convergence functionality is enabled? (Choose two.)

  • A: next hops that are directly connected
  • B: next hops learned with a /24 mask
  • C: next hops learned with a /32 mask
  • D: next hops learned with any mask shorter than /32



Question 7
Which command sets the maximum segment size for a TCP packet initiated from a router?

  • A: ip mtu
  • B: ip tcp adjust-mss
  • C: ip tcp mss
  • D: ip tcp window-size



Question 8
Which two statements about Cisco IOS XE are true? (Choose two.)

  • A: It uses a service blade outside Cisco IOS XE to integrate and run applications
  • B: Separate images are required for platform-dependent code
  • C: The FED feature provides separation between the  control plane and the data plane
  • D: It is deployed in a Linux-based environment
  • E: Its functions run as multiple separate processes in the OS



Question 9
Which two IP packet types always traverse to the route processor CPU? (Choose two.)

  • A: management-plane packets
  • B: services-plane packets
  • C: forwarding-plane packets
  • D: control-plane packets
  • E: data-plane packets



Question 10
Which neighbor-discovery message type is used to verify connectivity to a neighbor when the link-layer address of the neighbor is known?

  • A: neighbor advertisement
  • B: router advertisement
  • C: router solicitation
  • D: neighbor solicitation








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