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Which of the following answers is most true about the BGP Update message?（）A、It lists a set of path attributes, along with a list of prefixes that use those PAsB、It lists a prefix/length, plus the PA settings for that prefixC、It lists withdrawn routes, b

题目

Which of the following answers is most true about the BGP Update message?（）

  • A、It lists a set of path attributes, along with a list of prefixes that use those PAs
  • B、It lists a prefix/length, plus the PA settings for that prefix
  • C、It  lists withdrawn routes, but never in the same Update message as newly advertised routes
  • D、A single Update message lists at most a single prefix/lengtH
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更多“Which of the following answers i”相关问题

  • 第1题：

    Which of the following answers lists either a protocol or function that can be used by a host to dynamically learn its own IPv6 address?()

    A. Stateful DHCP

    B. Stateless DHCP

    C. Stateless autoconfiguration

    D. Neighbor Discovery Protocol


    参考答案：A, C

  • 第2题：

    Which of the following  answers lists a multicast IPv6 address?（）

    • A、2000::1:1234:5678:9ABC
    • B、FD80::1:1234:5678:9ABC
    • C、FE80::1:1234:5678:9ABC
    • D、FF80::1:1234:5678:9ABC

    正确答案:D

  • 第3题：

    Which of the following answers is the least likely reason for an engineer to choose to use route redis tribution?（）

    • A、To exchange routes between merged companies
    • B、To give separate control over routing to different parts of one company
    • C、To support multiple router vendors
    • D、To knit together an OSPF area if the area becomes discontiguous

    正确答案:D

  • 第4题：

    Which of the following devices will be plugged into an AGP slot on a motherboard?（）

    • A、Video card
    • B、Sound car
    • C、d Modem card
    • D、Network card
    • E、Magic I/O card

    正确答案:A

  • 第5题：

    Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）

    • A、 % idle
    • B、 % sys
    • C、 % user
    • D、 % iowait

    正确答案:D

  • 第6题：

    Which of the following commands will display the current technology level of a server（）

    • A、instfix -r
    • B、oslevel -r
    • C、lslpp -L
    • D、oslevel -i grep ML

    正确答案:B

  • 第7题：

    Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）

    • A、 filemon
    • B、 istat
    • C、 vmstat
    • D、 iostat

    正确答案:D

  • 第8题：

    单选题
    Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）
    A

     filemon

    B

     istat

    C

     vmstat

    D

     iostat


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    Which of the following does the author think teachers should NOT do?
    A

    Let children mark their own work.

    B

    Allow children to make mistakes.

    C

    Point out children's mistakes to them.

    D

    Give children correct answers.


    正确答案： C
    解析：

  • 第10题：

    单选题
    Which of the following sets of English sounds differs only in one distinctive feature? _____
    A

    [v][e][i:][ð]

    B

    [f][z][æ][i]

    C

    [i:][i][e][æ]

    D

    [p][i][e][s]


    正确答案： A
    解析：
    C项都是front vowels（前元音）。

  • 第11题：

    单选题
    Which of the following  answers lists a multicast IPv6 address?（）
    A

    2000::1:1234:5678:9ABC

    B

    FD80::1:1234:5678:9ABC

    C

    FE80::1:1234:5678:9ABC

    D

    FF80::1:1234:5678:9ABC


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    According to the passage, which of the following did NOT happen in the room where the college entrance exam was going on?
    A

    The teachers in the exam hall tried to stop the police from entering into the room.

    B

    Some examinees sent answers with mobile phones to people outside the room to make profits.

    C

    The mobile phones were confiscated by the police.

    D

    Some examinees forwarded answers to people who have paid a lot of money.


    正确答案： A
    解析：
    语义的理解和判断。该段录音与一次考试作弊案相关，开头便指出警察试图进入学生参加大学入学考试的大厅，但是“They were blocked by teachers but later confiscated mobile phones…”，由此可知，虽然教师们不让警察进入考试大厅，但后来警察们还是没收了被用于考试作弊的手机，因此选项A、C均与录音原文相符。接着录音中指出考场里最聪明的学生将答案做出后，发给younger students outside the hall（考场外年纪小一点的学生）手中，然后这些学生再将答案转发给已付过钱的人，由此可见，B项内容也与录音原文相符。但D项所描述的（一些考生将答案转发给已付过钱的人）与录音中提到的“发给考场外年纪小一点的学生”不符。
    【录音原文】
    Acting on a tip off—the police tried to raid a hall where students were taking the college entrance exam last month. They were blocked by teachers but later confiscated mobile phones that had been smuggled into the room—and uncovered what they said was an elaborate cheating system. The brightest students known as “players” finished their multiple choice papers quickly then sent off the answers by text message to younger students outside the hall. They forwarded the information to others who paid up to 1, 000 dollars to take part.

  • 第13题：

    When the teacher is presenting a new language, giving explanations, checking answers,which of the following should be adopted?

    A．Whole class work.
    B．Pair work.
    C．Group work.
    D．Individual work.

    答案：A
    解析：
    考查课堂活动形式。当教师要呈现新知、给出解释或是核对答案时，应采取全班活动(whole class work)。

  • 第14题：

    Which of the following procedures are involved in the recommended three-step troubleshootingflow？（Choose the best three answers.）（）

    • A、Problem report
    • B、Problem collaboration
    • C、Problem diagnosis
    • D、Problem resolution
    • E、Problem documentation
    • F、Probiem authentication

    正确答案:A,C,D

  • 第15题：

    Which of the following answers lists either a protocol or function that can be used by a host to dynamically learn its own IPv6 address?（）

    • A、Stateful DHCP
    • B、Stateless DHCP
    • C、Stateless autoconfiguration
    • D、Neighbor Discovery Protocol

    正确答案:A,C

  • 第16题：

    Which of the following interfaces are used to simultaneously transfer video and audio at highrates?（）

    • A、HDMI
    • B、DVI-D
    • C、S-Video
    • D、DVI-I

    正确答案:A

  • 第17题：

    When the length of the run queues， process or thread dispatches interrupts， and lock contention metrics and statistics are analyzed for performance， which of the following resources is being analyzed？（）

    • A、 CPU
    • B、 Memory
    • C、 Disk I/O
    • D、 Network I/O

    正确答案:A

  • 第18题：

    Which of the following commands gathers network packet statistics？（）

    • A、netstat -i
    • B、ifconfig -a
    • C、errpt -a
    • D、iptrace -i

    正确答案:A

  • 第19题：

    A user calls to report they are getting I/O errors on a file system. Which of the following tools should be used to isolate this problem？（）

    • A、df
    • B、diagrpt
    • C、errmsg
    • D、errpt

    正确答案:D

  • 第20题：

    多选题
    Which of the following procedures are involved in the recommended three-step troubleshootingflow？（Choose the best three answers.）（）
    A

    Problem report

    B

    Problem collaboration

    C

    Problem diagnosis

    D

    Problem resolution

    E

    Problem documentation

    F

    Probiem authentication


    正确答案： A,C
    解析： 暂无解析

  • 第21题：

    单选题
    I saw a ship stop at a（）. Which of the following is not correct?
    A

    deck

    B

    harbour

    C

    pier

    D

    port


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    You are developing an application to assist the user in conducting electronic surveys.The survey consists of 25 true-or-false questions.You need to perform the following tasks： Initialize each answer to true.Minimize the amount of memory used by each survey. Which storage option should you choose？（）
    A

    BitVector32 answers = new BitVector32（1）；

    B

    BitVector32 answers = new BitVector32（-1）；

    C

    BitArray answers = new BitArray （1）；

    D

    BitArray answers = new BitArray（-1）；


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    I think they are（） Which of the following is not correct?
    A

    Briton

    B

    British

    C

    English

    D

    Englishmen


    正确答案： D
    解析： 暂无解析

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