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Which two of t

题目

Which two of these are characteristics of MPLS VPNs？ （）

  • A、 Layer 3 MPLS VPNs can forward only IP packets
  • B、 Layer 2 MPLS VPNs can forward any network protocol
  • C、 MPL S label paths are automatically formed based on Layer 2 frames
  • D、 Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames
  • E、 In Layer 2 MPLS VPNS， the service provider controls the customer Layer 3 policies
参考答案和解析
正确答案:A,B
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相似问题和答案

第1题：

The term-loan agreement specifies a draw-down period of, say, up to two years, during which the funds must be used by the borrower; otherwise the borrower is not allowed to draw down any unused credit.

A．Right

B．Wrong

C．Doesn't say


正确答案：C
解析：关于定期贷款协议文中第二段第一句Frequently, the borrower needs to draw down the funds over a period of many months...做了简短的说明，并没有提到题中所说的贷款额必须全部使用完，更没有说不允许使用没有使用的信用额度。

第2题：

Which are the two options to which a menu can be assigned?() (Choose two.)

A.menu

B.functions

C.data group

D.responsibility

E.functional group


参考答案：A, D

第3题：

The two pictures are ____________. We don’t know which one is the original.

(A) identical

(B) likely

(C) limited

(D) resemble


正确答案：A
解答参考：A。identical：完全相同的;likely：很可能的;适当的，正合要求的，如The park is a likely place for the picnic(这公园倒是个适合野餐的地方);limited：有限的，如limited in resources(资源有限);resemble：动词，像，类似。【译文】两张画一模一样。我们不知道哪张是原作。

第4题：

Which two statements are true about bandwidth guarantee？（）

  • A、When congestion is present，the priority command doesn’t allow exceeding the allocated rate
  • B、When congestion isn’t present，the priority command doesn’t allow exceeding the allocated rate
  • C、When congestion is present，the priority command allows exceeding the allocated rate
  • D、When congestion isn’t present，the priority command allows exceeding the allocated rate

正确答案:A,D

第5题：

Which of the following LAN technologies is considered fast Ethernet and uses two pairs of cabling,one pair for sending and the other pair for receiving?()

A.100Base-T4

B.100Base-TX

C.100Base-X

D.100Base-FX


参考答案：B

第6题：

— Which of these two hotels do you like?— Neither.()


正确答案:对

第7题：

Which two media types support asynchronous transfer mode?()

A.T3

B.SONET

C.Gigabit-Ethernet

D.EIA/TIA-232 serial


参考答案：A, B

第8题：

Which of these two restaurants doyouprefer?I like()them.

A.both

B.both of

C.two of

D.all


参考答案：B

第9题：

10GBase－T is backward compatible with which of the following? (Select TWO).()

A. 10GBase-SW

B. 100Base-FX

C. 10GBase-LW

D. 100Base-T

E. 10Base-T


参考答案：D, E

第10题：

Which of the following is the correct configuration for a RAID 5 array?（）

  • A、A two disk set with one data strip
  • B、A three disk set with two data strips and a parity strip
  • C、A two disk set with two data strips
  • D、A four disk set with two sets of data strips

正确答案:B

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