Cisco 640-822 Online Practice Questions and Exam Preparation

Cisco 640-822 Online Questions & Answers

• Question 251:

  In which situation would the use of a static route be appropriate?

  A. To configure a route to the first Layer 3 device on the network segment.
  B. To configure a route from an ISP router into a corporate network.
  C. To configure a route when the administrative distance of the current routing protocol is too low.
  D. To reach a network is more than 15 hops away.
  E. To provide access to the Internet for enterprise hosts.
  B. To configure a route from an ISP router into a corporate network.

• Question 252:

  After the shutdown command has been issued on the serial 0/0 interface, what will be displayed when the show interface serial 0/0 command is issued by the administrator?

  A. Serial0/0 is administratively down, line protocol is down
  B. Serial0/0 is down, line protocol is down
  C. Serial0/0 is up, line protocol is down
  D. Serial0/0 is administratively down, line protocol is administratively down
  E. Serial0/0 is up, line protocol is up
  F. Serial0/0 is down, line protocol is up
  A. Serial0/0 is administratively down, line protocol is down

• Question 253:

  This graphic shows some common router ports. Which port can be used for a WAN T1 connection?

  

  A. AUI
  B. BRI
  C. Console
  D. Serial 0
  D. Serial 0

• Question 254:

  What are two common TCP applications? (Choose two.)

  A. TFTP
  B. SMTP
  C. SNMP
  D. FTP
  E. DNS
  B. SMTP
  D. FTP

• Question 255:

  Which command will assign the last usable IP address from the 192.168.32.128/28 subnetwork to a router interface?

  A. Router(config-if)# ip address 192.168.32.142 255.255.255.240
  B. Router(config-if)# ip address 192.168.32.143 255.255.255.240
  C. Router(config-if)# ip address 192.168.32.158 255.255.255.240
  D. Router(config-if)# ip address 192.168.32.142 255.255.255.248
  E. Router(config-if)# ip address 192.168.32.144 255.255.255.224
  F. Router(config-if)# ip address 192.168.32.158 255.255.255.224
  A. Router(config-if)# ip address 192.168.32.142 255.255.255.240

• Question 256:

  An administrator has connected devices to a switch and, for security reasons, wants the dynamically learned MAC addresses from the address table added to the running configuration. What must be done to accomplish this?

  A. Enable port security and use the keyword sticky.
  B. Set the switchport mode to trunk and save the running configuration.
  C. Use the switchport protected command to have the MAC addresses added to the configuration.
  D. Use the no switchport port-security command to allow MAC addresses to be added to the configuration.
  A. Enable port security and use the keyword sticky.

• Question 257:

  Which method of connecting a small office/home office to an ISP uses existing telephone lines?

  A. DSL
  B. cable
  C. serial
  D. CSU/DSU
  A. DSL

• Question 258:

  If a host on a network has the address 172.16.45.14/30, what is the address of the subnetwork to which this host belongs?

  A. 172.16.45.0
  B. 172.16.45.4
  C. 172.16.45.8
  D. 172.16.45.12
  E. 172.16.45.16
  D. 172.16.45.12

• Question 259:

  Refer to the exhibit. The network administrator must complete the connection between the RTA of the XYZ Company and the service provider. To accomplish this task, which two devices could be installed at the customer site to provide a connection through the local loop to the central office of the provider? (Choose two.)

  

  A. WAN switch
  B. PVC
  C. ATM switch
  D. multiplexer
  E. CSU/DSU
  F. modem
  E. CSU/DSU
  F. modem

• Question 260:

  Refer to the exhibit.

  

  Based on the RouterA configuration shown, and assuming that all routing is operational, DNS lookups to 209.165.202.129 will fail for which reason?

  A. Cisco.com will be incorrectly appended to all non-Cisco DNS queries.
  B. DHCP has not been enabled or configured.
  C. AAA must be configured for authentication of the DNS server.
  D. DNS queries are currently disabled.
  D. DNS queries are currently disabled.