Cisco 640-822 Online Practice Questions and Exam Preparation

Cisco 640-822 Online Questions & Answers

• Question 301:

  What is the purpose of using the copy flash tftp command on a router?

  A. to copy an IOS image to the router
  B. to create a backup copy of the IOS
  C. to move the IOS image from a server to the router
  D. to backup the router configuration to a server
  B. to create a backup copy of the IOS

• Question 302:

  Refer to the exhibit.

  

  Pierre has just installed the mail server and Switch2. For security reasons UDP packets are not permitted outbound on the Fa0/1 router interface. Pierre is now at his workstation testing the new installation and is not able to establish SMTP communication to the mail server. What is the most likely cause for lack of communication between Pierre's workstation and the mail server?

  A. The crossover cable should be a straight-through cable.
  B. UDP is blocked coming out of the Fa0/1 interface on the router.
  C. The server should be directly connected to the router.
  D. The IP addresses are all on the same network. No router is required.
  A. The crossover cable should be a straight-through cable.

• Question 303:

  The network manager has requested a 300-workstation expansion of the network. The workstations are to be installed in a single broadcast domain, but each workstation must have its own collision domain. The expansion is to be as cost-effective as possible while still meeting the requirements. Which three items will adequately fulfill the request? (Choose three).

  A. one IP subnet with a mask of 255.255.254.0
  B. two IP subnets with a mask of 255.255.255.0
  C. seven 48-port hubs
  D. seven 48-port switches
  E. one router interface
  F. seven router interfaces
  A. one IP subnet with a mask of 255.255.254.0
  D. seven 48-port switches
  E. one router interface

• Question 304:

  What is the purpose of flow control?

  A. to ensure data is retransmitted if an acknowledgment is not received
  B. to reassemble segments in the correct order at the destination device
  C. to provide a means for the receiver to govern the amount of data sent by the sender
  D. to regulate the size of each segment
  C. to provide a means for the receiver to govern the amount of data sent by the sender

• Question 305:

  Which one of the following IP addresses is the last valid host in the subnet using mask 255.255.255.224?

  A. 192.168.2.63
  B. 192.168.2.62
  C. 192.168.2.61
  D. 192.168.2.60
  E. 192.168.2.32
  B. 192.168.2.62

• Question 306:

  Drag the commands on the left to the appropriate functions on the right. (Not all options are used.)

  Select and Place:

  

  

• Question 307:

  Which class of IP address will provide sufficient addresses for 66,000 or more hosts?

  A. Class A
  B. Class B
  C. Class C
  D. Class D
  E. Class E
  A. Class A

• Question 308:

  Refer to the topology below.

  

  The hosts in the LAN are not able to connect to the Internet. Which commands will correct this issue?

  A. Router1(conf)# interface fa0/0 Router1(conf-if)# no shutdown
  B. Routed (conf)# interface fa0/1 Router1(conf-if)# no shutdown
  C. Router1(conf)# interface s0/0 Router1(conf-if)# no shutdown
  D. Router1(conf)# interface s0/1 Router1(conf-if)# no shutdown
  E. Router1(conf)# interface s0/0 Router1(conf-if)# ip address 10.11.12.13 255.255.255.252
  F. Router1(conf)# interface s0/1 Routerl (conf-if)# ip address 10.11.12.13 255.255.255.252
  C. Router1(conf)# interface s0/0 Router1(conf-if)# no shutdown

• Question 309:

  Which IOS command results in the output shown in the following?

  --- System Configuration Dialog --At any point you may enter a question mark '?' for help. Use ctrl-c to abort configuration dialog at any prompt.

  Default settings are in square brackets '[]'.

  Would you like to enter the initial configuration dialog? [yes/no]:

  A. router# configure terminal
  B. router# configure memory
  C. router# copy running-config startup-config
  D. router# copy startup-config running-config
  E. router# setup
  E. router# setup

• Question 310:

  Which of the following describes the roles of devices in a WAN? (Choose three.)

  A. A CSU/DSU terminates a digital local loop.
  B. A modem terminates a digital local loop.
  C. A CSU/DSU terminates an analog local loop.
  D. A modem terminates an analog local loop.
  E. A router is commonly considered a DTE device.
  F. A router is commonly considered a DCE device.
  A. A CSU/DSU terminates a digital local loop.
  D. A modem terminates an analog local loop.
  E. A router is commonly considered a DTE device.