CMS专题

单选题Which one of the statements below correctly describes the Virtual Router Redundancy Protocol  （VRRP），  which is being used in the Company network to provide redundancy？（）AA VRRP group has one active and one or more standby virtual routers.BA VRRP group

题目
单选题
Which one of the statements below correctly describes the Virtual Router Redundancy Protocol  （VRRP），  which is being used in the Company network to provide redundancy？（）
A

 A VRRP group has one active and one or more standby virtual routers.

B

 A VRRP group has one master and one or more backup virtual routers.

C

 A VRRP group has one master and one redundant virtual router.

D

 None of the other alternatives apply

参考答案和解析
正确答案： B
解析： 暂无解析
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相似问题和答案

第1题：

Which of the following can be used to insert a new line below the current line inside a vi session?()

A. o

B. a

C. p

D. A


参考答案：A

第2题：

Which of the following correctly describes the English phoneme/v/?

A．A voiceless labiodental fricative
B．A voiced labiodental fricative
C．A voiceless labiodental plosive
D．A voiced labiodental plosive

答案：B
解析：
考查语音的分类。voiceless“清音”；labiodental“唇齿音”；fricative“摩擦音”；plosive“爆破音”／v/属于浊音、唇齿音和摩擦音。故选B。

第3题：

On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?

A．Deleting unusable addresses through the creation of many subnets.

B．Combining routes to multiple networks into one supernet.

C．Reclaiming unused space by means of changing the subnet size.

D．Calculating the available host addresses in the AS.

E．None of the above


正确答案：B
解析：Explanation:
In the networking world route aggregate means combining routes to multiple networks into one. This is also known as route summarization or supernetting. It is normally used to reduce the number of route entries in the routing table by advertising numerous routes into one larger route.

第4题：

Which statement correctly describes SQL and /SQL*Plus?（）

  • A、Both SQL and /SQL*plus allow manipulation of values in the database.
  • B、/SQL* Plus recognizes SQL satement and sends them to the server; SQL is the Oracle proprietary interface for executing SQL statements.
  • C、/SQL* Plus language for communicating with the Oracle server to access data; SQL recognizes SQL statements and sends them to the server.
  • D、/SQL manipulates data and table definition in the database; /SQL* Plus does not allow manipulation of values in the database.

正确答案:A

第5题：

Which of the following correctly describes the English phoneme/θ/


A.A voiceless dental fricative.

B.A voiceless alveolar fricative.

C.A voiceless dental plosive.

D.A voiceless alveolar plosive.

答案：A
解析：
考查音素的分类。voiceless“不带声(清音的)”，dental“齿音”，alveolar“齿龈音”，fi'icative“摩擦音”，plosive“爆破音”，／θ／属于清音、齿音、摩擦音，故选A。

第6题：

Which of the following correctly describes the English phoneme/d/?_________

A．A voiced dental fricative.
B．A voiced alveolar fricative.
C．A voiceless dental plosive.
D．A voiceless alveolar fricative.

答案：B
解析：
考查音素的分类。voiced“浊音”，dentM“齿音”，alveolar“齿龈音”，frieative"摩擦音”，plosive“爆破音”。／d／属于浊音、齿龈音和塞音。

第7题：

Which one below has the proper word stress?_______

A．phoTographic
B．photoGraphic
C．photograPhic
D．Photographic

答案：B
解析：
考查单词的重音。以一ic结尾的英语词汇的重音往往落在倒数第二个音节上。例如：photographic，romantic，economic。

第8题：

Ezonexam has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?

A．VTP will allow physically redundant links while preventing switching loops

B．VTP will allow switches to share VLAN configuration information

C．VTP will allow a single port to carry information to more than one VLAN

D．VTP will allow for routing between VLANs

E．None of the above


正确答案：B

第9题：

Which two statements correctly describe the relation between a data file and the logical databasestructures（）

  • A、An extent cannot spread across data files.
  • B、A segment cannot spread across data files.
  • C、A data file can belong to only one tablespace.
  • D、A data file can have only one segment created in it.
  • E、A data block can spread across multiple data files as it can consist of multiple operating system （OS） blocks.

正确答案:A,C

第10题：

You have a class B network with a 255.255.255.0 mask. Which of the statements below are true of this network?（）

  • A、There are 254 usable subnets.
  • B、There are 256 usable hosts per subnet.
  • C、There are 50 usable subnets.
  • D、There are 254 usable hosts per subnet.
  • E、There are 24 usable hosts per subnet.
  • F、There is one usable network.

正确答案:A,D

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