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Which of the following describe router functions?（）

题目
多选题
Which of the following describe router functions?（）
A

Packet switching

B

Collision prevention on a LAN segment

C

Packet filtering

D

Broadcast domain enlargement

E

Broadcast forwarding

F

Internetwork communication

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Which of the following word does not describe a color?

A、green

B、white

C、flower

D、orange


参考答案：C

第2题：

According to STCW Code,which of the following functions must an engineer officer possess?( )


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第3题：

Which of the following utility functions reflects risk-aversion:

A uniform

B increasing

C decreasing

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E B and D only


正确答案：C

第4题：

Which two IntServ functions are required on a router？（）

  • A、admission control
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正确答案:A,E

第5题：

Which of the following describe the process identifier that is used to run OSPF on a router (Choose two.)（）。

  • A、It is locally significant
  • B、It is globally significant
  • C、It is needed to identify a unique instance of an OSPF database
  • D、It is an optional parameter required only if multiple OSPF processes are running on the router
  • E、All routers in the same OSPF area must have the same process ID if they are to exchange routing information

正确答案:A,C

第6题：

Which of the following correctly describe the various functions and virtues of a router? (Select all valid answer choices)

A. Packet switching

B. Collision prevention on a LAN segment.

C. Packet filtering

D. Broadcast domain enlargement

E. Broadcast forwarding

F. Internetwork communication

G. None of the above


正确答案：ACF
A,C,F 解析：Explanation:
The main function of a router is to connect different, separated networks together. In doing so, switching packets from one network to another is a primary function, along with providing for communication between networks. As an additional feature, routers are capable of providing filtering on a network address and application port level, so choice C is also correct.

Incorrect Answers:
B. Routers can indeed be used to segment a network separate a collision domain, since routers do not forward LAN broadcasts and multicasts to other interfaces. However, routers alone can not prevent all collisions from occurring on any given LAN segment.

D. Routers actually segment LANs into smaller broadcast domains.

E. Routers do not forward broadcast and multicast traffic out the additional interfaces by default. Unless bridging or IP helpers are configured on the router, LAN broadcasts are blocked at the router level.

第7题：

Which of the following describe router functions?()

A. Packet switching

B. Collision prevention on a LAN segment

C. Packet filtering

D. Broadcast domain enlargement

E. Broadcast forwarding

F. Internetwork communication


参考答案：A, C, F

第8题：

You have just purchased a brand new router and wish to have the router prompt you through the initial configuration commands. Which router mode does this describe?

A．ROM Monitor mode

B．SETUP mode

C．Autoflash mode

D．RXBOOT mode

E．None of the above


正确答案：B
解析：Explanation:
Setup mode is a convenient mode that walks you through the setup procedure by prompting you with specific questions and options one by one.

第9题：

You have just purchased a brand new router and wish to have the router prompt you through the initial configuration commands. Which router mode does this describe?（）

  • A、ROM Monitor mode
  • B、SETUP mode
  • C、Autoflash mode
  • D、RXBOOT mode
  • E、None of the above

正确答案:B

第10题：

Which of the following commands will display the name of the IOS image file being used in a Cisco router?（）

  • A、Router# show IOS
  • B、Router# show version
  • C、Router# show image
  • D、Router# show protocols
  • E、Router# show flash

正确答案:B,E

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