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In the context of MPLS，what is the correct action to be perf

题目
单选题
In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）
A

It adds the VPN label into the top label in the MPLS label stack

B

It replaces the top label in the MPLS label stack with a VPN label and propagates

C

It replaces the bottom label in the MPLS label stack with a VPN label and propagates

D

It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packets

E

None of above

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相似问题和答案

第1题：

Analysis of semantic meaning necessarily involves the interpretation of what people do through language in a particular context.()


参考答案：错误

第2题：

What a funny time_______ (see) an action movie!


正确答案：
39．to see

第3题：

What he said_____correct.

A.be

B.are

C.is


参考答案：C

第4题：

In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）

  • A、It adds the VPN label into the top label in the MPLS label stack
  • B、It replaces the top label in the MPLS label stack with a VPN label and propagates
  • C、It replaces the bottom label in the MPLS label stack with a VPN label and propagates
  • D、It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packets
  • E、None of above

正确答案:D

第5题：

In what sense can an understanding of the context of education contribute to language teaching and learning?
Teaching and learning a foreign language inevitably involves relationships between different aspects of life, and teaching English successfully is not just a question of method. Other things influence English language teaching (ELT) greatly. Refer to the nine variables discussed in the text.
略

第6题：

Spring IOC容器管理Action的方式有( )。

A.使用org.springframework.web.struts.DelegatingRequestProcessor

B.使用org.springframework.web.struts.DelegatingActionProxy

C.使用org.springframework.web.context.ContextLoaderListener

D.使用org.springframework.web.context.ContextLoaderServlet


参考答案：AB

第7题：

The correct meaning of a lexical item in a given context is__________

A．the one provided in a dictionary
B．the one which best fits the context
C．the central or core meaning of the item
D．the one which is assumed to be correct

答案：B
解析：

第8题：

(b) Explain in the context of Flavours Fine Foods, what is meant by:

(i) responsibility; (4 marks)


正确答案：
(b) (i) RESPONSIBILITY is the liability of a person to be called to account for their actions and results, and is therefore an obligation to take some action to discharge that responsibility. Unlike authority, responsibility cannot be delegated. There is however some discussion on the extent to which this statement is true: the idea that responsibility cannot be delegated is too simplistic. Any task contains an element of responsibility. It is the idea of accountability and the direction of responsibility that is the relevant concept and is the problem at Flavours Fine Foods; ultimate responsibility resides with the owners. It is self evident that it is impossible to exercise authority without responsibility because this could lead to problems of control and therefore undesirable outcomes for the organisation. However, the superior (the owner) is always ultimately responsible for the actions of his or her subordinates. The key element here is the recognition of discretion by virtue of the person’s position. This underlines the doctrine of absolute responsibility; the superior is always ultimately accountable.

第9题：

In MPLS networks, what s the benefit of disabling TTL propagation?（）

  • A、To provide a visible extension of MPLS TTL functionality in a non MPLS-enabled domain
  • B、To improve the IGP convergence time
  • C、To hide visibility to the core (provider) routers in the MPLS network
  • D、To provide a visible extension of IP TTL functionality in an MPLS-enabled domain

正确答案:C

第10题：

Using more than one label on a single packet is required in what context？（）

  • A、MPLS TE
  • B、MPLS VPN
  • C、When CEF switching and Label switching is done
  • D、In all the above circumstances

正确答案:B

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