What two descriptions best define DWDM？ （）A、 a WDM system that is compatible with EDFA technologyB、 an optical technology for transmitting up to 16 channels over multiple fiber strandsC、 an optical technology for transmitting up to 32 channels over multip

题目

What two descriptions best define DWDM？ （）

  • A、 a WDM system that is compatible with EDFA technology
  • B、 an optical technology for transmitting up to 16 channels over multiple fiber strands
  • C、 an optical technology for transmitting up to 32 channels over multiple fiber strands
  • D、 a technology for transmitting multiple optical signals using less sophisticated transceiver designthen CWDM
  • E、 a technology for transmitting more closely packed optical signals using more sophisticatedtransceiver designs than CWDM
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2.3 The ‘person specification’ is derived from the job description.Required:(a) Explain what is meant by the terms:(i) ‘person specification’; (4 marks)

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更多“What two description”相关问题

  • 第1题：

    ---“_________” ---“Two degrees on starboard”

    A.What rudder?

    B.How is the heading?

    C.How answer?

    D.What course?


    正确答案：A

  • 第2题：

    What are two types of WebView monitoring statistics on the WX／WXC platforms?() (Choose two.)

    A.LAN

    B.QoS

    C.traffic

    D.IPSec


    参考答案：B, C

  • 第3题：

    What are the two functions of intonation?
    It indicates grammatical meaning in much the same way as punctuation does in the written language. It can also indicate the speaker’s attitude. In some cases, both grammatical meaning and attitude are conveyed by the intonation pattern alone.
    略

  • 第4题：

    Which of the following is the functional description of a server connected between two separate IP subnets？（）

    • A、 server as a bridge
    • B、 server as a router
    • C、 server as a switch
    • D、 server as a data link

    正确答案:B

  • 第5题：

    What are two security appliances that can be installed in a network? (Choose two.)（）  

    • A、ATM
    • B、IDS
    • C、IOS
    • D、IOX
    • E、IPS
    • F、SDM

    正确答案:B,E

  • 第6题：

    When arriving at the customers location， two different users describe the problem， and from their description it seems to be two separate problems. Which of the following is an appropriate step to take？（）

    • A、Ignore both of them and decide what the real problem is.
    • B、Set up a separate call for each problem.
    • C、Have them duplicate the problem at the device.
    • D、Ask a third person and see if the problem is the same thing.

    正确答案:C

  • 第7题：

    单选题
    Which of the following is the functional description of a server connected between two separate IP subnets？（）
    A

     server as a bridge

    B

     server as a router

    C

     server as a switch

    D

     server as a data link


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    Students are offered with opportunities to integrate what they learned from the text into their existing knowledge and communicate with others using the information in the listening text. This description belongs to _____ stage.
    A

    pre-listening

    B

    while-listening

    C

    post-listening

    D

    none of them


    正确答案： D
    解析：
    学生将从文本中得到的内容与他们现有的知识整合在一起，并运用听力文本中的信息和他人交流，这是教学内容的内化和运用，属于听后阶段的活动。

  • 第9题：

    多选题
    What are two outcomes of deploying virtual SANs? （）(Choose two.)
    A

    increased administration

    B

    improved availability

    C

    reduced backup

    D

    increased security

    E

    greater storage demand


    正确答案： C,B
    解析： 暂无解析

  • 第10题：

    单选题
    What's the（）difference between the two parties?
    A

    essential

    B

    necessary

    C

    dominant

    D

    great


    正确答案： C
    解析： 暂无解析

  • 第11题：

    多选题
    What are two security appliances that can be installed in a network (Choose two.)（）。
    A

    ATM

    B

    IDS

    C

    IOS

    D

    IOX

    E

    IPS

    F

    SDM


    正确答案： A,E
    解析： 暂无解析

  • 第12题：

    Examine the description of the MARKS table:SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects.Examine this SELECT statement based on the MARKS table:What is the result of the SELECT statement?（）

    A. The statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject.

    B. The statement returns an error at the SELECT clause.

    C. The statement returns an error at the WHERE clause.

    D. The statement returns an error at the ORDER BY clause.


    参考答案：C

  • 第13题：

    The description of what happens in learning process is sometimes too（ ）.

    A.complex to understand
    B.difficult to be understood
    C.complicated to understand
    D.complicated enough to understand

    答案：A
    解析：
    Complex与complicated区别：complex=made up of parts,difficult to understand or explain由许多部分组成，难以理解的，复杂的，如：a complicated problem一道难题。

  • 第14题：

    Before a Diffie-Hellman exchange may begin， the two parties involved must agree on what？（）

    • A、Two secret keys
    • B、Two nonsecret keys
    • C、Two secret numbers
    • D、Two nonsecret numbers

    正确答案:D

  • 第15题：

    ---“（）” ---“Two degrees on starboard.”

    • A、What rudder?
    • B、How is the heading?
    • C、How answer?
    • D、What course?

    正确答案:A

  • 第16题：

    What are two outcomes of deploying virtual SANs? （）(Choose two.)

    • A、increased administration
    • B、improved availability
    • C、reduced backup
    • D、increased security
    • E、greater storage demand

    正确答案:B,D

  • 第17题：

    单选题
    What’s the passage about?
    A

    A description of an English book.

    B

    A description of an English course.

    C

    A description of life in Los Angeles.

    D

    A description of weekend visits to San Francisco.


    正确答案： A
    解析：
    根据对短文的整体理解以及文章的第一句话“We provide summer English courses and you will enjoy learning about American culture and improve your English.”可知本文是对一门英语课程的介绍。

  • 第18题：

    单选题
    What is periodically sent by a DIS on a LAN to ensure that all adjacent neighbors' IS - IS link - state databases are synchronized?（）
    A

    complete SNP (CSNP)

    B

    partial SNP (PSNP)

    C

    database query

    D

    database description packet (DDP)

    E

    link - state summary

    F

    hello


    正确答案： B
    解析： 暂无解析

  • 第19题：

    问答题
    What are the two functions of intonation?

    正确答案： It indicates grammatical meaning in much the same way as punctuation does in the written language. It can also indicate the speaker’s attitude. In some cases, both grammatical meaning and attitude are conveyed by the intonation pattern alone.
    解析： 暂无解析

  • 第20题：

    多选题
    What are two valid Cluster load balancing methods? （）(Choose two.)
    A

    urlhash

    B

    backup chaining

    C

    least connections

    D

    fewest outstanding requests


    正确答案： D,A
    解析： 暂无解析

  • 第21题：

    多选题
    What are two characteristics of Telnet (Choose two.)（）。
    A

    Itsendsdataincleartextformat.

    B

    ItisnolongersupportedonCisconetworkdevices.

    C

    ItismoresecurethanSSH

    D

    Itrequiresanenterpriselicenseinordertobeimplemented.

    E

    ItrequiresthatthedestinationdevicebeconfiguredtosupportTelnetconnections.


    正确答案： D,C
    解析： 暂无解析

  • 第22题：

    单选题
    The following commands are available in the Linux binary distributions of Mysql: Mysqld Mysqld_safe Mysql.server What is the correct description of each of these commands?（）
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案： D
    解析： 暂无解析

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