Cisco 640-822 Online Practice Questions and Exam Preparation

Cisco 640-822 Online Questions & Answers

• Question 171:

  Refer to the exhibit. A network technician has added host A to the network. Host A cannot communicate on the network. A ping that is issued on the host to address 127.0.0.1 fails. What is the problem?

  

  A. The router is not forwarding the ping packets to network 127.0.0.0.
  B. The remote host at 127.0.0.1 is unreachable.
  C. The default gateway is incorrect.
  D. The IP address of host A is incorrect.
  E. The TCP/IP protocols are not loaded.
  E. The TCP/IP protocols are not loaded.

• Question 172:

  Which two characteristics describe the access layer of the hierarchical network design model? (Choose two.)

  A. layer 3 support
  B. port security
  C. redundant components
  D. VLANs
  E. PoE
  A. layer 3 support
  B. port security

• Question 173:

  What is the purpose of assigning an IP address to a switch?

  A. provides local hosts with a default gateway address
  B. allows remote management of the switch C. allows the switch to respond to ARP requests between two hosts
  D. ensures that hosts on the same LAN can communicate with each other
  B. allows remote management of the switch C. allows the switch to respond to ARP requests between two hosts

• Question 174:

  If the hubs in the graphic were replaced by switches, what would be virtually eliminated?

  

  A. broadcast domains
  B. repeater domains
  C. Ethernet collisions
  D. signal amplification
  E. Ethernet broadcasts
  C. Ethernet collisions

• Question 175:

  Refer to the exhibit.

  

  What is the result of the entries shown?

  A. A copy of the router-config file stored on the TFTP server with an IP address of 192.168.2.167 will be downloaded to the local router where it is stored under the name of startup-config.
  B. A copy of the file startup-config stored on the TFTP server with an IP address of 192.168.2.167 will be downloaded to the local router where it is stored under the name of router- config.
  C. A copy of local startup-config file will be uploaded to the TFTP server with an IP address of 192.168.2.167 where it is stored under the name of router-config.
  D. A copy of local router-config file will be uploaded to the TFTP server with an IP address of 192.168.2.167 where it is stored under the name of startup-config.
  C. A copy of local startup-config file will be uploaded to the TFTP server with an IP address of 192.168.2.167 where it is stored under the name of router-config.

• Question 176:

  Refer to the exhibit.

  

  The enterprise has decided to use the network address 172.16.0.0. The network administrator needs to design a classful addressing scheme to accommodate the three subnets, with 30, 40, and 50 hosts, as shown. What subnet mask would accommodate this network?

  A. 255.255.255.192
  B. 255.255.255.224
  C. 255.255.255.240
  D. 255.255.255.248
  E. 255.255.255.252
  A. 255.255.255.192

• Question 177:

  Which two protocols does DNS use from the TCP/IP layer? (Choose two.)

  A. ARP
  B. ICMP
  C. IP
  D. SCTP
  E. TCP
  F. UDP
  E. TCP
  F. UDP

• Question 178:

  A network administrator is connecting PC hosts A and B directly through their Ethernet interfaces as shown in the graphic. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts? (Choose two.)

  

  A. A crossover cable should be used in place of the straight-through cable.
  B. A rollover cable should be used in place of the straight-through cable
  C. The subnet masks should be set to 255.255.255.192.
  D. A default gateway needs to be set on each host.
  E. The hosts must be reconfigured to use private IP addresses for direct connections of this type.
  F. The subnet masks should be set to 255.255.255.0.
  A. A crossover cable should be used in place of the straight-through cable.
  F. The subnet masks should be set to 255.255.255.0.

• Question 179:

  A PC is attached to the console port of a new Cisco router. The router is powered on. If the PC has been configured correctly for a console connection, what will the router display after it powers up?

  A. Router>
  B. an option to execute the show running-config command
  C. a series of prompts to run various POST tests
  D. the option to enter initial system configuration information
  D. the option to enter initial system configuration information

• Question 180:

  The following commands are entered on the router:

  Burbank(config)# enable secret fortress Burbank(config)# line con 0 Burbank(config-line)# login Burbank(config-line)# password n0way1n Burbank(config-line)# exit Burbank(config)# service password-encryption

  What is the purpose of the last command entered?

  A. to require the user to enter an encrypted password during the login process
  B. to prevent the vty, console, and enable passwords from being displayed in plain text in the configuration files
  C. to encrypt the enable secret password
  D. to provide login encryption services between hosts attached to the router
  B. to prevent the vty, console, and enable passwords from being displayed in plain text in the configuration files