Download Cisco.PracticeDumps.400-101.2017-11-05.2e.352q.vcex

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Exam CCIE Routing and Switching Written Exam v5.1
Number 400-101
File Name Cisco.PracticeDumps.400-101.2017-11-05.2e.352q.vcex
Size 1.33 Mb
Posted July 24, 2018
Downloaded 3



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Demo Questions

Question 1
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



Question 2
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.



Question 3
Which three conditions can cause excessive unicast flooding? (Choose three.)

  • A: Asymmetric routing
  • B: Repeated TCNs
  • C: The use of HSRP
  • D: Frames sent to FFFF.FFFF.FFFF
  • E: MAC forwarding table overflow
  • F: The use of Unicast Reverse Path Forwarding



Question 4
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



Question 5
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



Question 6
What is the cause of ignores and overruns on an interface, when the overall traffic rate of the interface is low?

  • A: a hardware failure of the interface
  • B: a software bug
  • C: a bad cable
  • D: microbursts of traffic



Question 7
Which statement about MSS is true?

  • A: It is negotiated between sender and receiver.
  • B: It is sent in all TCP packets.
  • C: It is 20 bytes lower than MTU by default.
  • D: It is sent in SYN packets.
  • E: It is 28 bytes lower than MTU by default.



Question 8
Which two methods change the IP MTU value for an interface? (Choose two.)

  • A: Configure the default MTU.
  • B: Configure the IP system MTU.
  • C: Configure the interface MTU.
  • D: Configure the interface IP MTU.



Question 9
Which implementation can cause packet loss when the network includes asymmetric routing paths?

  • A: the use of ECMP routing
  • B: the use of penultimate hop popping
  • C: the use of Unicast RPF
  • D: disabling Cisco Express Forwarding



Question 10
Which two mechanisms can be used to eliminate Cisco Express Forwarding polarization? (Choose two.)

  • A: alternating cost links
  • B: the unique-ID/universal-ID algorithm
  • C: Cisco Express Forwarding antipolarization
  • D: different hashing inputs at each layer of the network









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