最新的Cisco 640-822免費考試真題

問題1

At which layer of the OSI model does the protocol that provides the information that is displayed by the show cdp neighbors command operate?

A. physical

B. application

C. transport

D. network

E. data link

正確答案: E

問題2

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

A. SSID

B. ESS

C. BSS

D. IBSS

正確答案: B

問題3

What is the network address for the host with IP address 192.168.23.61/28?

A. 192.168.23.0

B. 192.168.23.32

C. 192.168.23.56

D. 192.168.23.60

E. 192.168.23.48

正確答案: E

問題4

You do not have access to a network server and need to back up a Cisco IOS image. Which utility can you use to achieve this goal?

A. xmodem

B. rcp

C. tftp

D. http

E. ftp

正確答案: A

問題5

Which of the following commands enables a network administrator to verify the application layer connectivity between source and destination?

A. telnet

B. traceroute

C. verify

D. trace

E. ping

正確答案: A

問題6

If an ethernet port on a router was assigned an IP address of 172.16.112.1/20, what is the maximum number of hosts allowed on this subnet?

A. 1024

B. 4096

C. 8190

D. 2046

E. 4094

正確答案: E

問題7

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 one Ethernet and one serial interface

B. a router with one Ethernet and one modem interface

C. a switch with one Ethernet and one serial interface

D. a switch with two Ethernet interfaces

E. a router with two Ethernet interfaces

正確答案: A

問題8

An administrator issues the show ip interface s0/0 command and the output displays that interface Serial0/0 is up, line protocol is up What does "line protocol is up" specifically indicate about the interface?

A. Keepalives are being received on the interface.

B. A carrier detect signal has been received from the connected device.

C. CDP has discovered the connected device.

D. IP is correctly configured on the interface.

E. The cable is attached properly.

正確答案: A

問題9

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

A. ensures that hosts on the same LAN can communicate with each other

B. provides local hosts with a default gateway address

C. allows the switch to respond to ARP requests between two hosts

D. allows remote management of the switch

正確答案: D

問題10

Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem? (Choose three.)

A. Reseat all cables.

B. Reboot all of the devices.

C. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.

D. Ensure that cables A and B are straight-through cables.

E. Ensure the switch has power.

F. Ensure cable A is plugged into a trunk port.

正確答案: A,D,E

問題11

When configuring NAT, the Internet interface is considered to be what?

A. global

B. inside

C. local

D. outside

正確答案: D

問題12

The system LED is amber on a Cisco Catalyst 2950 series switch. What does this indicate?

A. The system is malfunctioning.

B. The system is sensing excessive collisions.

C. The system is forwarding traffic.

D. The system is not powered up.

E. The system is powered up and operational.

正確答案: A

問題13

You need to configure 52 hosts for a computer lab. Which subnet mask is appropriate?

A. 255.255.255.192

B. 255.255.255.224

C. 255.255.254.240

D. 255.255.255.248

正確答案: A

問題14

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

A. A router is commonly considered a DTE device.

B. A CSU/DSU terminates an analog local loop.

C. A modem terminates a digital local loop.

D. A CSU/DSU terminates a digital local loop.

E. A router is commonly considered a DCE device.

F. A modem terminates an analog local loop.

正確答案: A,D,F

最新的Cisco Interconnecting Cisco Networking Devices Part 1 - 640-822免費考試真題

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