What does a router do?()A.Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)B.Reads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area n

题目
What does a router do?()

A.Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)

B.Reads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area network (LAN) to the wide-area network (WAN)

C.Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)

D.Broadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN)


相似考题
参考答案和解析
参考答案:A
更多“What does a router do?() ”相关问题
  • 第1题:

    A:What does your mother do? B:( ).

    A. She does shopping once a week

    B. She tells stories to my daughter every evening

    C. She is a clerk in a bank


    答案:C

  • 第2题:

    A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?()

    A. It performs a label pop operation and an IP lookup.

    B. It performs a label swap operation and an IP lookup.

    C. It sends an error message toward the egress router.

    D. It sends an error message toward the ingress router.


    参考答案:A

  • 第3题:

    A BGP connection is being established.What happens if the local router and the peer router do NOT have the same hold-time value configured?()

    A. The BGP session does not establish.

    B. The hold time is assumed to be infinite.

    C. The larger of the two hold-time values is used.

    D. The smaller of the two hold-time values is used.


    参考答案:D

  • 第4题:

    What does Jackie Chan do?

    ____________


    正确答案:
    48. He is a movie actor.

  • 第5题:

    ――I'm looking for a shirt for my father.――____Size 40.

    A.What size do you wear?
    B.What can I do for you?
    C.How about this one?
    D.What size does your father wear?

    答案:D
    解析:
    暂无解析

  • 第6题:

    I shall be surprised if he does this the same way()I do.

    • A、as
    • B、which 
    • C、like 
    • D、what

    正确答案:A

  • 第7题:

    The router receives a login request from a PPP over ATM client and examines the domain map for the client's domain. The router finds no entries currently configured within the domain map. What does the router do with the login request?()

    • A、The router rejects it.
    • B、The router tunnels it via L2TP.
    • C、The router authenticates it locally.
    • D、The default virtual router authenticates it.

    正确答案:D

  • 第8题:

    A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?()

    • A、It performs a label pop operation and an IP lookup.
    • B、It performs a label swap operation and an IP lookup.
    • C、It sends an error message toward the egress router.
    • D、It sends an error message toward the ingress router.

    正确答案:A

  • 第9题:

    填空题
    What kind of work does he like to do?Work involving ____.

    正确答案: statistics
    解析:
    从文章的第二段最后一句“I am particularly interested in work involving statistics”可知,此处应填statistics。

  • 第10题:

    单选题
    The router receives a login request from a PPP over ATM client and examines the domain map for the client's domain. The router finds no entries currently configured within the domain map. What does the router do with the login request?()
    A

    The router rejects it.

    B

    The router tunnels it via L2TP.

    C

    The router authenticates it locally.

    D

    The default virtual router authenticates it.


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    What does the command ip pim send-rp-discovery scope 16 achieve?()
    A

    it enables PIM BSR

    B

    it makes the router an Auto-RP mapping agent

    C

    it advertises the router as an RP with Auto-RP

    D

    it makes the router an Auto-RP client


    正确答案: B
    解析: 暂无解析

  • 第12题:

    多选题
    On what kinds of networks does OSPF elect a backup designated router?()
    A

    Point-to-point

    B

    Point to multipoint

    C

    Broadcast

    D

    Non-broadcast multi-access


    正确答案: B,C
    解析: 暂无解析

  • 第13题:

    A:( ). B:She works in the Oxford University.

    A. What does your mother do?

    B. What do your parents do?

    C. What are your parents doing at the moment?


    答案:A

  • 第14题:

    The router receives a login request from a PPP over ATM client and examines the domain map for the client‘s domain. The router finds no entries currently configured within the domain map.What does the router do with the login request?()

    A. The router rejects it.

    B. The router tunnels it via L2TP.

    C. The router authenticates it locally.

    D. The default virtual router authenticates it.


    参考答案:D

  • 第15题:

    What does the ThreadStatic attribute do?

    (线程静态成员的作用是什么)


    正确答案:
     

  • 第16题:

    Which of the following may illustrate the difference between "competence" and__________ "performance"?

    A.What a person "knows" and what he/she "does".
    B.What a person "can do" and what he/she "does".
    C.What a person "does" and what he/she "knows".
    D.What a person "does" and what he/she "can do".

    答案:A
    解析:
    考查语言学知识。competence“语言能力”,指语言使用者对于语言规则系统的潜在意识;performance“语言运用”,指在具体场景中语言的实际运用,二者对应的分别为“knows”和“does”。故选A。

  • 第17题:

    What does Peter do?()

    AHe's good at fixing things.

    BHe can speak good German.

    CHe does the washingup after supper

    DHe's a language teacher.


    D

  • 第18题:

    What does the command ip pim send-rp-discovery scope 16 achieve?()

    • A、it enables PIM BSR
    • B、it makes the router an Auto-RP mapping agent
    • C、it advertises the router as an RP with Auto-RP
    • D、it makes the router an Auto-RP client

    正确答案:B

  • 第19题:

    What information does the help topic command provide?()

    • A、router’s version and serial number to help open a case with JTAC
    • B、software documentation describing features and configuration tasks within JUNOS
    • C、a brief description of commands and their default values
    • D、a verification of the current configuration on the router

    正确答案:B

  • 第20题:

    单选题
    — ______?  —I know he spends at least much time watching TV as he does doing his lessons.
    A

    Do you know what Tom does all day

    B

    Do you know how Tom does his lessons

    C

    How do you like Tom’s holiday

    D

    What does Tom do with his TV


    正确答案: A
    解析:
    句意:——你知道Tom整天做什么吗?——我知道他每天至少花同样的时间看电视和做作业。根据答语可知,此处询问Tom做什么,do you know之后是宾语从句,要用陈述句语序。故答案是A项。

  • 第21题:

    单选题
    What does the speaker suggest people do when they are running?
    A

    Keep silent

    B

    Wear comfortable shoes

    C

    Chat and smile


    正确答案: C
    解析:
    说话者指出参加者在加入该俱乐部之前觉得训练是痛苦的,她们没有想到在跑步经过美丽的地方时进行chatting and smiling(聊天和微笑),可见说话者建议人们跑步的时候进行交谈和微笑。

  • 第22题:

    单选题
    What does your father do?()
    A

    He is cleaning the street

    B

    He is forty

    C

    He is a farmer

    D

    He is all right


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    A BGP connection is being established.What happens if the local router and the peer router do NOT have the same hold-time value configured?()
    A

    The BGP session does not establish.

    B

    The hold time is assumed to be infinite.

    C

    The larger of the two hold-time values is used.

    D

    The smaller of the two hold-time values is used.


    正确答案: B
    解析: 暂无解析

  • 第24题:

    单选题
    A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?()
    A

    It performs a label pop operation and an IP lookup.

    B

    It performs a label swap operation and an IP lookup.

    C

    It sends an error message toward the egress router.

    D

    It sends an error message toward the ingress router.


    正确答案: B
    解析: 暂无解析