Cisco 640-822 Online Practice Questions and Exam Preparation

Cisco 640-822 Online Questions & Answers

• Question 261:

  What process is used to establish a connection-oriented virtual circuit between two communicating hosts?

  A. flow control
  B. sequencing
  C. windowing
  D. three-way handshake
  E. duplexing
  D. three-way handshake

• Question 262:

  Click on the correct location or locations in the exhibit.

  

  Hot Area:

  

  

• Question 263:

  Refer to the graphic. Host A is communicating with the server. What will be the source MAC address of the frames received by Host A from the server?

  

  A. the MAC address of router interface e0
  B. the MAC address of router interface e1
  C. the MAC address of the server network interface
  D. the MAC address of host A
  A. the MAC address of router interface e0

• Question 264:

  How can you ensure that only the MAC address of a server is allowed by switch port Fa0/1?

  A. Configure port Fa0/1 to accept connections only from the static IP address of the server.
  B. Configure the server MAC address as a static entry of port security.
  C. Use a proprietary connector type on Fa0/1 that is incomputable with other host connectors.
  D. Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.
  B. Configure the server MAC address as a static entry of port security.

• Question 265:

  Refer to the exhibit. What two facts can be determined from the WLAN diagram? (Choose two.)

  

  A. The area of overlap of the two cells represents a basic service set (BSS).
  B. The network diagram represents an extended service set (ESS).
  C. Access points in each cell must be configured to use channel 1.
  D. The area of overlap must be less than 10% of the area to ensure connectivity.
  E. The two APs should be configured to operate on different channels.
  B. The network diagram represents an extended service set (ESS).
  E. The two APs should be configured to operate on different channels.

• Question 266:

  Which wireless LAN design ensures that a mobile wireless client will not lose connectivity when moving from one access point to another?

  A. using adapters and access points manufactured by the same company
  B. recommended overlap in cell coverage is 15 to 20%
  C. configuring all access points to use the same channel
  D. utilizing MAC address filtering to allow the client MAC address to authenticate with the surrounding APs
  B. recommended overlap in cell coverage is 15 to 20%

• Question 267:

  Refer to the exhibits labeled A through E.

  

  All devices are to be connected over Ethernet. Which three device-to-device configurations are likely to require the use of a crossover connection? (Choose three.)

  A. exhibit A
  B. exhibit B
  C. exhibit C
  D. exhibit D
  E. exhibit E
  A. exhibit A
  D. exhibit D
  E. exhibit E

• Question 268:

  When should the "clock rate" command be used on a Cisco router's interface?

  A. During diagnostic functions such as a loopback test
  B. When the router is directly connected to another Cisco router C. When the router is connected to a Frame Relay switch
  D. When the interface is connected to a CSU/DSU
  B. When the router is directly connected to another Cisco router C. When the router is connected to a Frame Relay switch

• Question 269:

  Which command will set the default gateway to 192.168.12.1 on a Cisco switch?

  A. Switch(config)# ip default-network 192.168.12.1
  B. Switch(config)# ip route-default 192.168.12.1
  C. Switch(config)# ip default-gateway 192.168.12.1
  D. Switch(config)# ip route 192.168.12.1 0.0.0.0
  C. Switch(config)# ip default-gateway 192.168.12.1

• Question 270:

  Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment? (Choose two.)

  A. switch
  B. router
  C. NIC
  D. hub
  E. repeater
  F. RJ-45 transceiver
  D. hub
  E. repeater