Cisco 640-822 Online Practice Questions and Exam Preparation

Cisco 640-822 Online Questions & Answers

• Question 271:

  Three access points have been installed and configured to cover a small office. What term defines the wireless topology?

  A. BSS
  B. IBSS
  C. ESS
  D. SSID
  C. ESS

• Question 272:

  Refer to the exhibit.

  

  A small company with two locations has just connected the locations together with routers and a serial connection. The routers are using RIP to learn the network topology. RouterB has learned a network from RouterA, but router RouterA is not learning from RouterB. Using the output shown, what is the most likely problem?

  A. RIP routing is configured but not enabled on RouterA.
  B. One or more network statements are incorrect on RouterA.
  C. One or more network statements are incorrect on RouterB.
  D. The RIP versions on RouterA and RouterB are mismatched.
  E. RIP is an interior gateway protocol and cannot route for multiple network classes.
  D. The RIP versions on RouterA and RouterB are mismatched.

• Question 273:

  Refer to the exhibit. The host in Kiev sends a request for an HTML document to the server in Minsk. What will be the source IP address of the packet as it leaves the Kiev router?

  

  A. 10.1.0.1
  B. 10.1.0.5
  C. 10.1.0.6
  D. 10.1.0.14
  E. 10.1.1.16
  F. 10.1.2.8
  E. 10.1.1.16

• Question 274:

  Which address type does a switch use to make selective forwarding decisions?

  A. source IP address
  B. destination IP address
  C. source and destination IP address
  D. source MAC address
  E. destination MAC address
  E. destination MAC address

• Question 275:

  Which keyboard sequence is used to suspend a Telnet session from a Cisco router?

  A. Ctrl-Shift-6, then x
  B. Ctrl-Z, then x
  C. Ctrl-Shift-C
  D. Ctrl-Z
  E. Ctrl-X
  A. Ctrl-Shift-6, then x

• Question 276:

  Refer to the exhibit. A network administrator is troubleshooting a connectivity problem on the serial interfaces.

  

  The output from the show interfaces command on both routers shows that the serial interface is up, line protocol is down. Given the partial output for the show running-config in the exhibit, what is the most likely cause of this problem?

  A. The serial cable is bad.
  B. The MTU is incorrectly configured.
  C. The Layer 2 framing is misconfigured.
  D. The IP addresses are not in the same subnet.
  C. The Layer 2 framing is misconfigured.

• Question 277:

  Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server?

  A. denial of service
  B. brute force
  C. reconnaissance
  D. Trojan horse
  A. denial of service

• Question 278:

  Refer to the exhibit. Host B has just been added to the network and must acquire an IP address. Which two addresses are possible addresses that will allow host B to communicate with other devices in the network? (Choose two.)

  

  A. 192.168.10.32
  B. 192.168.10.38
  C. 192.168.10.46
  D. 192.168.10.47
  E. 192.168.10.49
  F. 192.168.10.51
  B. 192.168.10.38
  C. 192.168.10.46

• Question 279:

  Which of the following protocols uses both TCP and UDP ports?

  A. FTP
  B. SMTP
  C. Telnet
  D. DNS
  D. DNS

• Question 280:

  Refer to the exhibit.

  

  A network device needs to be installed in the place of the icon labeled Network Device to accommodate a leased line attachment to the Internet. Which network device and interface configuration meets the minimum requirements for this installation?

  A. a router with two Ethernet interfaces
  B. a switch with two Ethernet interfaces
  C. a router with one Ethernet and one serial interface
  D. a switch with one Ethernet and one serial interface
  E. a router with one Ethernet and one modem interface
  C. a router with one Ethernet and one serial interface