Download Cisco.PracticeDumps.400-101.2017-11-11.1e.470q.vcex

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Exam CCIE Routing and Switching Written Exam v5.1
Number 400-101
File Name Cisco.PracticeDumps.400-101.2017-11-11.1e.470q.vcex
Size 12.35 Mb
Posted November 11, 2017
Downloads 49

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Demo Questions

Question 1
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 2
Refer to the exhibit. 

ICMP Echo requests from host A are not reaching the intended destination on host B. What is the problem?

  • A: The ICMP payload is malformed.
  • B: The ICMP Identifier (BE) is invalid.
  • C: The negotiation of the connection failed.
  • D: The packet is dropped at the next hop.
  • E: The link is congested.

Question 3
Refer to the exhibit. 

Which statement is true?

  • A: It is impossible for the destination interface to equal the source interface.
  • B: NAT on a stick is performed on interface Et0/0.
  • C: There is a potential routing loop.
  • D: This output represents a UDP flow or a TCP flow.

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
Refer to the exhibit. 

While troubleshooting high CPU utilization of a Cisco Catalyst 4500 Series Switch, you notice the error message that is shown in the exhibit in the log file. 
What can be the cause of this issue, and how can it be prevented?

  • A: The hardware routing table is full. Redistribute from BGP into IGP.
  • B: The software routing table is full. Redistribute from BGP into IGP.
  • C: The hardware routing table is full. Reduce the number of routes in the routing table.
  • D: The software routing table is full. Reduce the number of routes in the routing table.

Question 7
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 8
Refer to the exhibit. 

Which statement about the debug behavior of the device is true?

  • A: The device debugs all IP events for
  • B: The device sends all debugging information for
  • C: The device sends only NTP debugging information to
  • D: The device sends debugging information every five seconds.

Question 9
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 10
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.



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