Cisco 640-875 Online Practice Questions and Exam Preparation

Cisco 640-875 Online Questions & Answers

• Question 31:

  What two commands enable port security and allow the switch to dynamically learn the connected MAC address? (Choose two.)

  A. switch5(config-if)#switchport port-security
  B. switch5(config)#switchport port-security
  C. switch5(config-if)#switchport port-security mac-address sticky
  D. switch5(config)#switchport port-security mac-address sticky
  E. switch5(config-if)#switchport port-security mac-address dynamic
  F. switch5(config-if)#switchport port-security mac-address auto
  A. switch5(config-if)#switchport port-security
  C. switch5(config-if)#switchport port-security mac-address sticky

• Question 32:

  What is the Cisco IOS command that is used to prevent the route of the incoming traffic from an unknown network?

  A. Interface FastEthernet 0/0ip verify unicast source reachable-via any allow-default
  B. Interface FastEthernet 0/0ip verify multicast source reachable-via any allow-default
  C. Interface FastEthernet 0/0ip verify unicast destination reachable-via any allow-default
  D. Interface FastEthernet 0/0ip verify multicast destination reachable-via any allow-default
  A. Interface FastEthernet 0/0ip verify unicast source reachable-via any allow-default

• Question 33:

  Using VLSM, how many /30 subnets can be derived from a single /27 Class C subnet?

  A. 1
  B. 2
  C. 4
  D. 8
  E. 12
  F. 16
  D. 8

• Question 34:

  Which two commands are required to enter enable mode on a console port without entering a password? (Choose two.)

  A. Privilege 15
  B. Input SSH
  C. Line VTY 0 4
  D. No login
  E. Privilege 0
  A. Privilege 15
  D. No login

• Question 35:

  Which Cisco IOS CLI command is used to verify the speed and duplex settings on the Fa0/1 port on a Cisco switch?

  A. show ip interfaces fa0/1
  B. show interfaces fa0/1
  C. show interfaces fa0/1 switchport
  D. show ip interfaces brief
  E. show interfaces switchport
  B. show interfaces fa0/1

• Question 36:

  Which type of ICMP message is generated when a datagram is discarded because the TTL reaches a value of 0?

  A. Type 0 (Echo Reply)
  B. Type 12 (Parameter Problem)
  C. Type 11 (Time Exceeded)
  D. Type 16 (Information Reply)
  E. Type 10 (Source Quench)
  C. Type 11 (Time Exceeded)

• Question 37:

  DRAG DROP

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

  Select and Place:

  

  

• Question 38:

  

  

  

  

  Which interface is the correct interface for the interface numbered as 13 in the correct network diagram?

  A. Gi0/0/0
  B. Gi0/0/1
  C. Gi0/0/2
  D. Gi0/0/3
  E. Gi0/0/5
  F. Gi0/0/9
  A. Gi0/0/0

• Question 39:

  Which CLI command works for Cisco IOS and Cisco IOS XR Software configuration?

  A. boot system
  B. enable
  C. ip subnet-zero
  D. snmp-server
  D. snmp-server

• Question 40:

  What is the minimum version of DOCSIS that will support IPv6?

  A. Version 1
  B. Version 2
  C. Version 3
  D. Version 3.1
  B. Version 2