You have been asked to develop an application that uses only connection-oriented protocols. Which two protocols can you use?()A、PPPB、UDPC、TCPD、ICMP

题目

You have been asked to develop an application that uses only connection-oriented protocols. Which two protocols can you use?()

  • A、PPP
  • B、UDP
  • C、TCP
  • D、ICMP

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    You, like many of your classmates, probably have been in such a situation where you are asked to do something to help a foreign friend. (翻译)


    参考答案:像你的许多同学一样,你可能也曾有过亲身经历:有人请求你为外国友人帮忙做点事

  • 第2题:

    You have been asked to use a 25 bit subnet mask to segment the following network block:209.18.12.0.How many usable will there be per subnet?()

    A.2 hosts

    B.120 hosts

    C.126 hosts

    D.255 hosts


    参考答案:C

  • 第3题:

    I have been asked to draw your attention to the following points.

    A:withdraw
    B:divert
    C:attract
    D:enhance

    答案:C
    解析:
    本句意思:“我被要求让你注意以下几点。”attract:吸引,例如:The race organizers are trying to attract sponsors.比赛的组织者在想方设法吸引赞助者。withdraw:撤走,例如:Government troops were forced to withdraw.政府军队被迫撤走了。divert:转移注意力,例如: Don't divert the subject into a side issue.别把话题转向枝节问题。enhance:增强,例如:This is an opportunity to enhance the reputation of the company.这是提高公司声誉的机会。

  • 第4题:

    You have been asked to use a 28 bit subnet mask to segment the following network block: 108.12.5.0. How many usable hosts per sub-net could you create?()

    • A、10 hosts
    • B、14 hosts
    • C、12 hosts
    • D、16 hosts

    正确答案:B

  • 第5题:

    You have been asked to use a 25 bit subnet mask to segment the following network block: 209.18.12.0. How many usable will there be per subnet?()

    • A、2 hosts
    • B、120 hosts
    • C、126 hosts
    • D、255 hosts

    正确答案:C

  • 第6题:

    While designing your database, you have created the EMPLOYEEStable as an index-organized (IOT). You want to create a bitmap index on the JOD_IDcolumn to make queries faster. Which task must have been completed so that you are able to create the bitmap index?()

    • A、 A primary key must have been created.
    • B、 A mapping table must have been created.
    • C、 An overflow tablespace must have been specified.
    • D、 The PCTTHRESHOLD option must have been specified.

    正确答案:B

  • 第7题:

    单选题
    A customer reports the optical drive is no longer responding. Which of the following questionsshould be asked FIRST?()
    A

    “Did you log in with an administrator account?”

    B

    “Have you been to any inappropriate websites?”

    C

    “What have you changed since the optical drive worked properly?”

    D

    “What has changed since the optical drive worked properly?”


    正确答案: D
    解析: 暂无解析

  • 第8题:

    多选题
    You have been asked to develop an application that uses only connection-oriented protocols. Which two protocols can you use?()
    A

    PPP

    B

    UDP

    C

    TCP

    D

    ICMP


    正确答案: A,C
    解析: 暂无解析

  • 第9题:

    单选题
    While designing your database, you have created the EMPLOYEEStable as an index-organized (IOT). You want to create a bitmap index on the JOD_IDcolumn to make queries faster. Which task must have been completed so that you are able to create the bitmap index?()
    A

     A primary key must have been created.

    B

     A mapping table must have been created.

    C

     An overflow tablespace must have been specified.

    D

     The PCTTHRESHOLD option must have been specified.


    正确答案: D
    解析: 暂无解析

  • 第10题:

    单选题
    You have been asked to use a 28 bit subnet mask to segment the following network block: 108.12.5.0. How many usable hosts per sub-net could you create?()
    A

    10 hosts

    B

    14 hosts

    C

    12 hosts

    D

    16 hosts


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    You have been asked to use a 23-bit network mask to segment the network block 209.18.12.0.How many usable host addresses will there be per subnet?()
    A

    510

    B

    1022

    C

    2046

    D

    8190


    正确答案: D
    解析: 暂无解析

  • 第12题:

    多选题
    You are the network consultant from passguide.com. You have been asked for which two features of optical networks allow data to be transmitted over extremely long distances? ()
    A

    Encryption

    B

    Bandwidth limits

    C

    Minimal signal loss

    D

    No EMI


    正确答案: D,C
    解析: 暂无解析

  • 第13题:

    You have been asked to create a static route with a next hop that is not directly connected to the router. Which configuration parameter enables the static route to accomplish this scenario?()

    A. resolve

    B. indirect

    C. next-hop

    D. recursive


    参考答案:A

  • 第14题:

    You have been asked to use a 28 bit subnet mask to segment the following network block: 108.12.5.0. How many usable hosts per sub-net could you create?()

    A.10 hosts

    B.14 hosts

    C.12 hosts

    D.16 hosts


    参考答案:B

  • 第15题:

    You are the network consultant from passguide.com. You have been asked for which two features of optical networks allow data to be transmitted over extremely long distances? ()

    • A、Encryption
    • B、Bandwidth limits
    • C、Minimal signal loss
    • D、No EMI

    正确答案:C,D

  • 第16题:

    A customer reports the optical drive is no longer responding. Which of the following questionsshould be asked FIRST?()

    • A、“Did you log in with an administrator account?”
    • B、“Have you been to any inappropriate websites?”
    • C、“What have you changed since the optical drive worked properly?”
    • D、“What has changed since the optical drive worked properly?”

    正确答案:D

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    • A、TACACS with LEAP extensions
    • B、RADIUS with EAP extensions
    • C、TACACS+
    • D、LDAP

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    A

    Database Control

    B

    Management Server

    C

    Management Repository

    D

    Application Server Control

    E

    Oracle Management Agent


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    解析: 暂无解析

  • 第19题:

    问答题
    Practice 4  ● A foreign business associate is visiting your company for three days. You have been asked to organize the visit and plan appropriate entertainment.  ● Write a letter to the visitor outlining a timetable for the visit and describing the activities you have planned.  ● Write 200-250 words on your Answer Sheet.

    正确答案: 【参考范文】
    Dear Richard,
    Further to our discussion of 6 May, I’m writing to present the scheduled programme during your visit to our company(12—15 May). I‘ll be waiting at the airport on Tuesday morning. If the airliner arrives on time, I’11 take you right to your hotel. Then you can have a rest and refresh yourself. As Mr. Cooper desires to see you before the meeting, you will have a private talk. After that we’ll travel to the company site for the meeting which according to the schedule will run form 15:30 to 17:00. Since that will be a busy day, I recommend a complete relaxation at a nearby entertainment centre. Wednesday’s meeting is due to start at 10:00a.m. A limousine has been arranged to collect you from the hotel at 9 : 40a.m. As the meeting will last for a whole day, we will have a working lunch. When work’s finished, you’11 have some free time at your disposal before attending a welcome banquet to be held at The Sheraton Hotel at 19: 00.
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    A sedan will pick you up at your hotel at 9:50a.m on Friday morning to send you to the airport in time for your return flight at 11:50a.m. I’m looking forward to seeing you on the 12th. At the meanwhile, if you have any questions, please do not hesitate to contact me at 01082253922.
    Yours sincerely,
    Mary Young
    Personal Assistant to Mr. Cooper
    解析: 暂无解析

  • 第20题:

    问答题
    Practice 4  Discussion—about 5 minutes  In this part of the test you are given a discussion topic. You have 30 seconds to look at the prompt card, an example of which is below, and then about 3 minutes to discuss the topic with your partner. After that the examiner will ask you more questions related to the topic.  For two candidates  Business Seminar  Your company is going to hold a seminar on a certain topic about marketing  You have been asked to help with the preparation for the seminar.  Discuss the situation together and decide:  ● What facilities and seminar arrangements you will need to make  ● Who you are going to invite to attend the seminar and how to contact them  For three candidates  Business Seminar  Your company is going to hold a seminar on a certain topic about marketing·  You have been asked to help with the preparation for the seminar.  Discuss the situation together and decide:  ● What facilities and seminar arrangements you will need to make  ● Who you are going to invite to attend the seminar and how to contact them  ● Where and when you will hold the seminar

    正确答案: 【参考范例】
    A: You know, there is going to hold a seminar about marketing.
    B: Yeah, I just want to have a talk with you about that. What facilities and seminar    arrangement do you think should we make?
    A: Well. I think we should prepare whiteboard and water pen, a projector, computers.
    B: Yes, I agree with you , what’s more, I think we also need drinking machines and coffee machines.
    A: Yeah. You remind me of something. We also need some secretaries.
    B: I share your view on that. Who are we going to invite to attend and how to contact them?
    A: What about inviting some senior marketing managers and some specialists on marketing to give speeches?
    B: Nice. We have to hire some interpreters to make the meeting go through well.
    A: That’s right. Some of them may not speak English well.
    解析: 暂无解析

  • 第21题:

    单选题
    You _____ the parcel home. The shop would have delivered it if you had asked.
    A

    needn’t have carried

    B

    didn’t need to carry

    C

    Wouldn’t have carried

    D

    wouldn’t have carried


    正确答案: D
    解析:
    后半句的意思是“如果你当时要求的话,商店本会送货上门的”。所以前半句的意思是要说“你当时本没必要把包裹带回家”。过去本没有必要做某事,但实际上做了,用needn’t have done结构来表示。

  • 第22题:

    单选题
    You have been asked to use a 25 bit subnet mask to segment the following network block: 209.18.12.0. How many usable will there be per subnet?()
    A

    2 hosts

    B

    120 hosts

    C

    126 hosts

    D

    255 hosts


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    You ()him so closely; you should have kept your distance.
    A

    shouldn’tfollow

    B

    mustn’tfollow

    C

    couldn’t have been following

    D

    shouldn’t have been following


    正确答案: B
    解析: 暂无解析

  • 第24题:

    单选题
    You have been asked to create a static route with a next hop that is not directly connected to the router. Which configuration parameter enables the static route to accomplish this scenario?()
    A

    resolve

    B

    indirect

    C

    next-hop

    D

    recursive


    正确答案: A
    解析: 暂无解析