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What is the purpose of the spanning-tree algorithm in a switched LAN?（）A、To provide a monitoring mechanism for networks in switched environments.B、To manage VLANs across multiple switches.C、To prevent switching loops in networks with redundant switched pa

题目

What is the purpose of the spanning-tree algorithm in a switched LAN?（）

  • A、To provide a monitoring mechanism for networks in switched environments.
  • B、To manage VLANs across multiple switches.
  • C、To prevent switching loops in networks with redundant switched paths.
  • D、To segment a network into multiple collision domains.
  • E、To prevent routing loops in networks.
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更多“What is the purpose of the spann”相关问题

  • 第1题：

    In Hammer’s five-step model, the purpose of “elicitation” is to provide the teacher with feed back as to what to do next.（）

    A对

    B错


    对
    略

  • 第2题：

    What is the purpose of the Route Tag field in the RIPv2 message？


    正确答案:When another routing protocol uses the RIPv2 domain as a transit domain， the protocol external to RIPv2 can use the Route Tag field to communicate information to its peers on the other side of the RIPv2 domain.

  • 第3题：

    What is the primary purpose of IPS?（）

    • A、to scan packets for malicious activity
    • B、to provide basic firewall protection
    • C、to host secure remote communications
    • D、to host Internet connectivity
    • E、to provide AIM

    正确答案:A

  • 第4题：

    问答题
    What’s the author’s purpose of giving us the example of Sir Cloudesly Shovel?

    正确答案： It aimed to point out that public monuments could reflect the image of one country.
    解析：
    推断题。根据关键词Sir Cloudesly Shovel可定位到文章最后一段。本段通过列举Sir Cloudesly Shovel和一个荷兰人的例子表明，外国人容易从公众纪念碑和铭文中对一个民族产生或无知或礼貌的印象。

  • 第5题：

    单选题
    What is the purpose of Ms. Washington’s email?
    A

    To attend a convention

    B

    To change an order

    C

    To return a shipment

    D

    To find a new supplier


    正确答案： D
    解析：
    根据邮件最后1句I hope this is the start of a mutually beneficial business relationship可知答案为D项。

  • 第6题：

    填空题
    What is the purpose of the Gmail team in sending this email?They hope the user will ____ the account.

    正确答案： (continue to) use/ log in to
    解析：
    细节题。本题考查发送此邮件的目的。邮件最后一句提到，邮件公司希望用户给它一次机会，接受它的服务。如果用户想要登录自己的账户，只需要点击以下的网址即可。此处应填continue to use或log in to。

  • 第7题：

    问答题
    What is the purpose of an administrative distance？

    正确答案： An administrative distance is a rating of preference for a routing protocol or a static route. When a router learns of a destination via more than one routing protocol or static route， AD will be used to choose the route with the lowest value.
    解析： 暂无解析

  • 第8题：

    填空题
    What purpose does the MRT serve?To provide a(n) ____ way to get about the city.

    正确答案： speedy and easy
    解析：
    细节题。由关键词provide定位到短文第一句“The Singapore underground train system, known as the MRT, offers a speedy and easy way to get about out city”，新加坡地下铁路系统（MRT）为来往于城市之间提供便捷方便的服务。由这句话可知，此处应该填写speedy and easy。

  • 第9题：

    单选题
    241-Conversation 1 What is the main purpose of the research?    
    A

    To make preparations for a new publication.

    B

    To learn how couples spend their weekends.

    C

    To investigate what people do at the weekends.


    正确答案： C
    解析： 女对话人开篇就提出调查的目的，“I work for…doing some research. It’s for a new magazine for…”，故A项符合题意。

  • 第10题：

    单选题
    What is the main purpose of the first email?
    A

    To confirm this week's schedule

    B

    To inquire about an upcoming trip

    C

    To provide an update on operations

    D

    To seek approval for a decision


    正确答案： C
    解析：
    根据邮件第一段可知收件人去旅游了，第二段第一句“You will be relieved to hear that everything is running smoothly in the office”可知邮件主要是给上司报告公司运营的状况，所以C项正确。

  • 第11题：

    What is the purpose of an administrative distance？


    正确答案:An administrative distance is a rating of preference for a routing protocol or a static route. When a router learns of a destination via more than one routing protocol or static route， AD will be used to choose the route with the lowest value.

  • 第12题：

    What is a key purpose of the Solutions Recommendation Guide?（）

    • A、present Cisco products
    • B、provide a framework of tested and proven models
    • C、identify basic needs of the business
    • D、calculate the business need priority

    正确答案:C

  • 第13题：

    what is the purpose of classification？


    正确答案:The purpose of classification is to sort packets into different traffic types， so that different policies then can be applied.

  • 第14题：

    问答题
    what is the purpose of classification？

    正确答案： The purpose of classification is to sort packets into different traffic types， so that different policies then can be applied.
    解析： 暂无解析

  • 第15题：

    填空题
    What is the purpose of the letter?Lourdes Santiago writes the letter to ask for ____.

    正确答案： an interview
    解析：
    推断题。本题设问这封信的目的。根据题干和给出的部分答案可知，在信件中，写信人分别介绍了自己的实习情况，自己在该公司学习到的东西，最后还提到了他可以随时接受面试，由此可知他写这封信的目的是求得面试机会。此处应填an interview。

  • 第16题：

    填空题
    What is the main purpose of this Call for Expression of Interest?To invite ____ to participate in the Beijing 2008 Olympic Games.

    正确答案： interested parties
    解析：
    细节题。本题考查启示的目的。从文章的第二句“Interested parties are invited to participate in the procedure”可知，这里邀请的是对合作项目感兴趣的人。此处应填interested parties。

  • 第17题：

    单选题
    What is the primary purpose of VPLS?（）
    A

    to create a partial mesh of VPN sites

    B

    to remove MPLS from VPNs

    C

    to create a point to multipoint topology

    D

    to enable IPsec accross the VPN


    正确答案： D
    解析： 暂无解析

  • 第18题：

    问答题
    What is the purpose of the Route Tag field in the RIPv2 message？

    正确答案： When another routing protocol uses the RIPv2 domain as a transit domain， the protocol external to RIPv2 can use the Route Tag field to communicate information to its peers on the other side of the RIPv2 domain.
    解析： 暂无解析

  • 第19题：

    问答题
    What is the purpose of the crusade launched by Nick Clegg recently?

    正确答案： To ban uncompensated internships.
    解析：
    由题干中的关键词Nick Clegg、crusade可知本题的答案在第二段四句“Nick Clegg, Britain’s deputy prime minister…”。根据该段前两句及其他句子可知该段讨论的话题是“无薪实习”，第四句所说的Nick Clegg发起的运动就是要禁止“无薪实习”。在该段中提到了“无薪实习”的多种表达即unpaid internships，unpaid placement和uncompensated internships。

  • 第20题：

    单选题
    What is the main purpose of the letter?
    A

    To inform residents about public transportation

    B

    To promote a local business

    C

    To attract tourists to the city

    D

    To announce a special real estate offer


    正确答案： C
    解析：
    根据最后1段give us the opportunity to show you why we’re the number-one cleaning operation可知其目的是宣传自己公司，故选B。

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