Cisco 640-875 Online Practice Questions and Exam Preparation

Cisco 640-875 Online Questions & Answers

• Question 41:

  DRAG DROP

  Drag the concepts from the left and drop them on the correct descriptions on the right.

  Select and Place:

  

  

• Question 42:

  DRAG DROP

  Drag the protocols from the left and drop them on the Internet Protocol Suite layers where the protocol belongs on the right. Not all the layers on the right are used.

  Select and Place:

  

  

• Question 43:

  Which two statements about NetFlow support on Cisco IOS XR are true? (Choose two.)

  A. Cisco IOS XR supports NetFlow version 9 export format only.
  B. NetFlow version 9 is a flexible and extensible means to carry NetFlow records from a network node to a collector.
  C. IP flow is based on a set of four parameters only (source IP address, destination IP address, source port, and destination port).
  D. A NetFlow flow is the bidirectional sequence of packets on a single interface.
  A. Cisco IOS XR supports NetFlow version 9 export format only.
  B. NetFlow version 9 is a flexible and extensible means to carry NetFlow records from a network node to a collector.

• Question 44:

  DRAG DROP

  Drag the Cisco IOS XR CLI command from the left and drop it on the most appropriate OSI layer(s) on the right that can be used to verify the operations at that OSI layer.

  Select and Place:

  

  

• Question 45:

  Which Cisco IOS XR CLI command can you use to determine if the firmware on any of the line cards on the Cisco ASR 9000 Series Router needs to be upgraded?

  A. RP/0/RSP0/CPU0:PE1#show platform
  B. RP/0/RSP0/CPU0:PE1(admin)#show platform
  C. RP/0/RSP0/CPU0:PE1#show hw-module fpd location all
  D. RP/0/RSP0/CPU0:PE1#show version
  E. RP/0/RSP0/CPU0:PE1(admin)#show version
  F. RP/0/RSP0/CPU0:PE1#show install active
  C. RP/0/RSP0/CPU0:PE1#show hw-module fpd location all

• Question 46:

  To which transport protocol and port number does a host send a DHCP discover message?

  A. TCP 67
  B. IP 1
  C. IP 50
  D. UDP 67
  D. UDP 67

• Question 47:

  What is the result of using the Cisco IOS copy tftp: run command?

  A. The running configuration on the Cisco IOS device is backed up to the TFTP server.
  B. Only new configuration parameters from the saved configuration file on the TFTP server are added to the running configuration. No changes to any existing configuration parameters in the running configuration are made.
  C. The running configuration on the Cisco IOS device is replaced with the saved configuration file on the TFTP server.
  D. The configuration stored in the TFTP server is merged with the running configuration on the Cisco IOS device.
  E. The saved configuration file from the TFTP server is copied to the target configuration.
  D. The configuration stored in the TFTP server is merged with the running configuration on the Cisco IOS device.

• Question 48:

  RouterA has an IP address of 192.168.1.1, and ServerA has an IP address of 192.168.1.100. You configure SNMP on RouterA to allow RouterA to be polled from ServerA. You discover that ServerA fails to access RouterA by using SNMP. You suspect than an inbound access list is blocking the requests. To allow the polling, which type of traffic do you need to permit in the access list?

  A. UDP from host 192.168.1.100 and source port 161 to host 192.168.1.1
  B. UDP from host 192.168.1.100 to host 192.168.1.1 and destination port 161
  C. TCP from host 192.168.1.100 to host 192.168.1.1 and destination port 161
  D. TCP from host 192.168.1.100 and source port 161 to host 192.168.1.1
  B. UDP from host 192.168.1.100 to host 192.168.1.1 and destination port 161

• Question 49:

  Which field in the Ethernet header is used to forward Ethernet frames?

  A. frame check sequence
  B. source address
  C. EtherType
  D. destination address
  D. destination address

• Question 50:

  Which command assigns an IP address to the Loopback1 interface on a Cisco IOS Router?

  A. ip address 192.168.41.111 255.255.255.240
  B. set ip 127.0.0.1/32
  C. ip address 127.0.0.1 255.255.255.0
  D. ip address 169.254.47.81 255.255.0.0
  A. ip address 192.168.41.111 255.255.255.240