Download CCIE Routing and Switching Written Exam v5-1.certkey.400-101.2019-10-17.1e.448q.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.certkey.400-101.2019-10-17.1e.448q.vcex
Size 10.35 Mb
Posted October 17, 2019
Downloads 94



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Demo Questions

Question 1
R1 #show debug 
Condition 1: interface Fa0/0 (1 flags triggered)
Flags: Fa0/0
Condition 2: lp 192.168.12.1 (0 flags triggered)
Condition 3: username cisco (0 flags triggered)
Refer to the exhibit. If R1 generated this response to the show debug command, which statement about its debug output is true?

  • A: When debug output is generated, only the user cisco is permitted to view it.
  • B: As soon as interface Fa0/0 becomes active, it generates debug output because one condition has been met
  • C: R1 generates debug output as soon as IP address 192.168.0.0 is applied to interface Fa0/0
  • D: R1 generates debug output as soon as all three conditions are met



Question 2
Refer to the exhibit. 

  

Your network is suffering excessive output drops. Which two actions can you take to resolve the problem? (Choose two.)

  • A: Install a switch with larger buffers.
  • B: Configure a different queue set.
  • C: Reconfigure the switch buffers.
  • D: Configure the server application to use TCP.
  • E: Update the server operating system.



Question 3
Which two statements about Cisco Express Forwarding are true? (Choose two.)

  • 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
Which two Cisco Express Forwarding tables are located in the data plane? (Choose two.)

  • A: the IP routing table
  • B: the label forwarding information base
  • C: the label information table
  • D: the adjacency table
  • E: the forwarding information base



Question 7
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 8
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 9
Which two factors contribute to traffic starvation when TCP and UDP flows are included in a single traffic class? (Choose two.)

  • A: UDP flows maintain a consistent transmission rate when congestion occurs on a link
  • B: TCP flows continually lower their transmission rates when congestion occurs on a link
  • C: TCP flows maintain a consistent transmission rate when congestion occurs on a link
  • D: UDP flows continually reduce the window size when congestion occurs on a link
  • E: TCP flows continually reduce the window size when congestion occurs on a link
  • F: UDP flows continually lower their transmission rates when congestion is detected



Question 10
What are IPv6 addresses of the form fc00::/7 known as?

  • A: link-local addresses
  • B: unique local addresses
  • C: multicast RP addresses
  • D: transition addresses for 6to4








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