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Which of the following correctly describe steps in the OSI d

题目
多选题
Which of the following correctly describe steps in the OSI data encapsulation process?（）
A

Transport layer divides a data stream into segments & adds reliability & flow control information

B

Data link layer adds physical source & destination address & an FCS to the segment

C

Packets are created when the network layer encapsulate a frame with source & destination host address& protocol related control information

D

Packets are created when the network layers adds layers 3 address & control information to a segment

E

The presentation layer translated bits into bits into voltages for transmission across the physical link

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相似问题和答案

第1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2题：

Which of the following correctly describe steps in the OSI data encapsulation process?()

A. Transport layer divides a data stream into segments & adds reliability & flow control information

B. Data link layer adds physical source & destination address & an FCS to the segment

C. Packets are created when the network layer encapsulate a frame with source & destination host address& protocol related control information

D. Packets are created when the network layers adds layers 3 address & control information to a segment

E. The presentation layer translated bits into bits into voltages for transmission across the physical link


参考答案：A, D

第3题：

Which of the following statements about the situational-behavioral interview are true?

A.The interviewees need use STAR model or structure to specify their past behaviors in a given situation.

B.The interviewees should consider the three steps or elements of STAR as a whole.

C.The interviewees are required to predict how they would perform. in a work-related task.

D.The interviewees are asked to describe how the job needs to be accomplished in real situations.


参考答案：A、B

第4题：

Which of the following correctly describe steps in the OSI data encapsulation process?（）

  • A、The transport layer divides a data stream into segments and may add reliability and flow control information.
  • B、The data link layer adds physical source and destination addresses and an FCS to the segment.
  • C、Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.
  • D、Packets are created when the network layer adds Layer 3 addresses and control information to a segment.
  • E、The presentation layer translates bits into voltages for transmission across the physical link.

正确答案:A,D

第5题：

After replacing the NIC card of a PC on the LAN, your Cisco switch shows a new MAC address is attached to that port. Which of the following answer choices below correctly describe a MAC address?()

A. It is a globally unique IP address.

B. It is a globally unique 48 bit address

C. It is provided by the manufacturer of the NIC.

D. It is used as part of the IPX/SPX configuration.

E. It is a logical address.


参考答案：B, C

第6题：

Describe a situation where you had to seek out relevant information, define key issues and decide on which steps to take to get the desired results.


正确答案：

 

第三，请你描述1种情形，在这种情形中你必须去寻找相关的信息，发现关键的问题并且自己决定依照一些步骤来获得期望的结果。

第7题：

Which of the following correctly describe characteristics of PPP?()

A. Encapsulates several different types of routing protocols.

B. Supports only IP.

C. Can be used over analog circuits.

D. Is proprietary to Cisco

E. Supports error correction.


参考答案：A, C, E

第8题：

Which of the following word does not describe a color?

A、green

B、white

C、flower

D、orange


参考答案：C

第9题：

After replacing the NIC card of a PC on the LAN, your Cisco switch shows a new MAC address is attached to that port. Which of the following answer choices below correctly describe a MAC address?（）

  • A、It is a globally unique IP address.
  • B、It is a globally unique 48 bit address
  • C、It is provided by the manufacturer of the NIC.
  • D、It is used as part of the IPX/SPX configuration.
  • E、It is a logical address.

正确答案:B,C

第10题：

Which of the following correctly describe characteristics of PPP?（）

  • A、Encapsulates several different types of routing protocols.
  • B、Supports only IP.
  • C、Can be used over analog circuits.
  • D、Is proprietary to Cisco
  • E、Supports error correction.

正确答案:A,C,E

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