● (71) In the strength of the carrier signal is varied to represent binary 1 or 0．(72) is a system that can map a name to an address and conversely an address to an name．(73) is a three-way handshaking authentication protocol that it's packets are encapsu

题目

● (71) In the strength of the carrier signal is varied to represent binary 1 or 0．

(72) is a system that can map a name to an address and conversely an address to an name．

(73) is a three-way handshaking authentication protocol that it's packets are encapsulated in the point-to-point protocol

(74) is an approach that enables an ATM Switch to behave like a LAN switch．

(75) is an guided media which is made of glass or plastic and transmits signals in the form. of light．

(71) A．ASK

B．PSK

C．FSK

D．FDM

(72) A．NAT

B．NCP

C．DDN

D．DNS

(73) A．PPP

B．PAP

C．CHAP

D．LCP

(74) A．VLAN

B．LANE

C．VPN

D．IPOA

(75) A．Coaxial cable

B．Optical fiber

C．Unshielded Twisted-pair Cable

D．Shielded Twisted-pair Cable

相似考题

1.●A firewall is a (71) system designed to (72) an organization′s network against threats.(71) A．operatingB．programmingC．securityD．data(72) A．preventB．protectC．examineD．exploit

2.71-72第71题：

3.For the interface ge－1／2／3.4, what does the "ge" represent?()A. Gigabit EthernetB. SONET/SDHC. Aggregated EthernetD. GRE

4.● The （71） is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several （72）.（71）A. waterfall modelB. workflow reference modelC. evolutionary modelD. spiral model（72）A. workflow enginesB. processesC. workflow threadsD. tasks

更多“● (71) In the strength of the carrier signal is varied to represent binary 1 or 0. (72) is ”相关问题

  • 第1题：

    [71～72]

    A．1～l6册

    B．1～20册

    C．1～6船

    D．1～48册

    E．1～15册

    71．卫生部药品标准二部为

    72．卫生部新药转正标准为


    正确答案：C,E

  • 第2题：

    （71-72题共用题干）

    第71题：


    正确答案：A

  • 第3题：

    1、下列序列中哪个是最小堆？

    A．2, 55, 52, 72, 28, 98, 71

    B．2, 28, 71, 72, 55, 98, 52 ‍

    C．2, 28, 52, 72, 55, 98, 71‍

    D．28, 2, 71, 72, 55, 98, 52


    2, 28, 52, 72, 55, 98, 71

  • 第4题：

    For the interface ge－1／2／3.4, what does "ge" represent?()

    A. SONET/SDH

    B. Gigabit Ethernet

    C. Aggregated Ethernet

    D. GRE


    参考答案：B

  • 第5题：

    TICLI检查基站10、载频1、扇区1、底噪的命令是()。

    A.dump：cell10；plm10；carrier1，sector1

    B.dump：cell10；plm9；carrier1，sector1

    C.dump：cell10；plm10；carrier1，sector1，rssi

    D.dump：cell10；plm9；carrier1，sector1，rssi


    参考答案：A

  • 第6题：

    某试样硬度测定时的5个值分别是70、71、72、73、71，则其中值为。

    A．70

    B．71

    C．72

    D．73


    71

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