Cisco 640-822 Online Practice Questions and Exam Preparation

Cisco 640-822 Online Questions & Answers

• Question 181:

  Refer to the exhibit.

  

  A technician enters the exhibited commands to configure a new router, but receives an error message when attempting to save the configuration. What can the technician do to correct the problem?

  A. Enter the correct command.
  B. Enter the command at the correct prompt.
  C. Upgrade the amount of flash memory in the router.
  D. Erase NVRAM to make room for the configuration file.
  E. Add NVRAM because there is not enough room for the configuration file.
  A. Enter the correct command.

• Question 182:

  During a router boot sequence, what is the basic function of the configuration register?

  A. holds packet buffers for the router
  B. controls how the router boots
  C. starts and maintains the router
  D. holds the router run-time configuration
  E. verifies that all router components are operational
  B. controls how the router boots

• Question 183:

  Refer to the exhibit, router is configured to use NAT in overload mode. Host PC is sending packets to Web Server. Drag the address to fill in the NAT terminology table with their associated IP address values. NOTE: Address may be used,non,once or more.

  Select and Place:

  

  

• Question 184:

  Which of the following describe Class A host addresses? (Choose three.)

  A. The decimal value of the first octet can range from 1 to 126.
  B. The decimal value of the first octet can range from 1 to 192.
  C. The first octet represents the entire network portion of the address.
  D. The default subnet mask for a Class A network is 255.255.0.0.
  E. The value of the first binary place in the first octet must be 0.
  F. The first two binary bits of the address must be 00.
  A. The decimal value of the first octet can range from 1 to 126.
  C. The first octet represents the entire network portion of the address.
  E. The value of the first binary place in the first octet must be 0.

• Question 185:

  Which transport layer protocol is used for critical Voice over IP services?

  A. SMTP
  B. ICMP
  C. TCP
  D. UDP
  E. RTP
  D. UDP

• Question 186:

  Which protocol will a network host use to resolve a destination IPv4 address to a destination MAC address?

  A. ARP
  B. DHCP
  C. DNS
  D. RARP
  E. WINS
  A. ARP

• Question 187:

  Which two statements are correct regarding Cisco PAT implementation? (Choose two.)

  A. primarily a security feature
  B. implemented to conserve public IP addresses
  C. requires at least two public addresses to operate
  D. can only be used between a private network and the Internet
  E. provides address connectivity between public and private addresses
  B. implemented to conserve public IP addresses
  E. provides address connectivity between public and private addresses

• Question 188:

  What is the subnet address of 172.16.159.159/22?

  A. 172.16.0.0
  B. 172.16.128.0
  C. 172.16.156.0
  D. 172.16.159.0
  E. 172.16.159.128
  F. 172.16.192.0
  C. 172.16.156.0

• Question 189:

  What is the purpose of a default route?

  A. It is a route to be used when the routing protocol fails.
  B. It is a route configured by an ISP that sends traffic into a corporate network.
  C. It is a route used when a packet is destined for a remote network that is not listed in the routing table.
  D. It is a route manually configured for a specific remote network for which a routing protocol is not configured.
  E. It is used to send traffic to a stub network.
  C. It is a route used when a packet is destined for a remote network that is not listed in the routing table.

• Question 190:

  Refer to the exhibit. Which two statements are true of the interface configuration? (Choose two.)

  

  A. The encapsulation in use on this interface is PPP.
  B. The default serial line encapsulation is in use on this interface.
  C. The address mask of this interface is 255.255.255.0.
  D. This interface is connected to a LAN.
  E. The interface is not ready to forward packets.
  A. The encapsulation in use on this interface is PPP.
  C. The address mask of this interface is 255.255.255.0.