Cisco 640-822 Online Practice Questions and Exam Preparation

Cisco 640-822 Online Questions & Answers

• Question 61:

  An administrator is in the process of changing the configuration of a router. What command will allow the administrator to check the changes that have been made prior to saving the new configuration?

  A. Router# show startup-config
  B. Router# show current-config
  C. Router# show running-config
  D. Router# show memory
  E. Router# show flash
  F. Router# show processes
  C. Router# show running-config

• Question 62:

  Drag the appropriate command on the left to the configuration task it accomplishes.(Not all options are used.)

  Select and Place:

  

  

• Question 63:

  What is the purpose of the switchport command?

  Switch(config-if)# switchport port-security maximum 1 Switch(config-if)# switchport port-security mac- address 0018.DE8B.4BF8

  A. It ensures that only the device with the MAC address 0018.DE8B.4BF8 will be able to connect to the port that is being configured.
  B. It informs the switch that traffic destined for MAC address 0018.DE8B.4BF8 should only be sent to the port that is being configured.
  C. It will act like an access list and the port will filter packets that have a source or destination MAC of 0018.DE8B.4BF8.
  D. The switch will shut down the port of any traffic with source MAC address of 0018.DE8B.4BF8.
  A. It ensures that only the device with the MAC address 0018.DE8B.4BF8 will be able to connect to the port that is being configured.

• Question 64:

  Which Layer 4 protocol is used for a Telnet connection?

  A. IP
  B. TCP
  C. UDP
  D. ICMP
  E. DNS
  B. TCP

• Question 65:

  What is the most efficient subnet mask for a small branch office with seven hosts?

  A. 255.255.255.0
  B. 255.255.255.248
  C. 255.255.255.240
  D. 255.255.255.224
  C. 255.255.255.240

• Question 66:

  Click on the correct location or locations in the exhibit.

  

  Hot Area:

  

  

• Question 67:

  How does TCP differ from UDP? (Choose two.)

  A. TCP provides best effort delivery.
  B. TCP provides synchronized communication.
  C. TCP segments are essentially datagrams.
  D. TCP provides sequence numbering of packets.
  E. TCP uses broadcast delivery.
  B. TCP provides synchronized communication.
  D. TCP provides sequence numbering of packets.

• Question 68:

  Refer to the graphic. How many collision domains are shown?

  

  A. one
  B. two
  C. three
  D. four
  E. six
  F. fourteen
  B. two

• Question 69:

  Refer to the exhibit.

  

  Host A can communicate with Host B but not with Hosts C or D. How can the network administrator solve this problem?

  A. Configure Hosts C and D with IP addresses in the 192.168.2.0 network
  B. Install a router and configure a route to route between VLANs 2 and 3.
  C. Install a second switch and put Hosts C and D on that switch while Hosts A and B remain on the original switch.
  D. Enable the VLAN trunking protocol on the switch.
  B. Install a router and configure a route to route between VLANs 2 and 3.

• Question 70:

  Click on the correct location or locations in the exhibit.

  

  Hot Area: