单选题Which of the following SCSI signaling systems uses one return line for every outgoing line, is less susceptible to interference, signal degradation, crosstalk, and allows a cable length of up to 25 meters?()ASE (Single Ended)BDE (Double Ended)CLVD (Low

题目
单选题
Which of the following SCSI signaling systems uses one return line for every outgoing line, is less susceptible to interference, signal degradation, crosstalk, and allows a cable length of up to 25 meters?()
A

 SE (Single Ended)

B

 DE (Double Ended)

C

 LVD (Low Voltage Differential)

D

 HVD (High Voltage Differential)


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更多“单选题Which of the following SCSI signaling systems uses one return line for every outgoing line, is less susceptible to interference, signal degradation, crosstalk, and allows a cable length of up to 25 meters?()A  SE (Single Ended)B  DE (Double Ended)C  LV”相关问题
  • 第1题:

    After 100 meters (328 feet), CAT6 cabling is known to experience which of the following symptoms?()

    A. Signal loss

    B. Signal bleed

    C. Data collision

    D. Crosstalk


    参考答案:A

  • 第2题:

    WhichofthefollowingSCSIsignalingsystemsusesonereturnlineforeveryoutgoingline,islesssusceptibletointerference,signaldegradation,crosstalk,andallowsacablelengthofupto25meters?()

    A.SE(SingleEnded)

    B.DE(DoubleEnded)

    C.LVD(LowVoltageDifferential)

    D.HVD(HighVoltageDifferential)


    参考答案:D

  • 第3题:

    Which of the following command line utilities allows a technician to create a new directory?()

    • A、RD
    • B、CD
    • C、DIR
    • D、MD

    正确答案:D

  • 第4题:

    Which of the following SCSI signaling systems uses one return line for every outgoing line, is less susceptible to interference, signal degradation, crosstalk, and allows a cable length of up to 25 meters?()

    • A、 SE (Single Ended)
    • B、 DE (Double Ended)
    • C、 LVD (Low Voltage Differential)
    • D、 HVD (High Voltage Differential)

    正确答案:D

  • 第5题:

    An administrator is up grading the back up server from a single tape drive to a SCSI tape library. The library has been unpackaged, mounted, and the library drivers installed.  Which of the following items should the administrator have to connect the device to the backup server?()

    • A、 SCSI cable
    • B、 SCSI interface adapter on the tape library
    • C、 SCSI termination card on the server
    • D、 iSCSI cable

    正确答案:A

  • 第6题:

    Which of the following drive connections uses a ribbon cable with a 40-pin connector?()

    • A、SATA
    • B、IDE
    • C、PATA
    • D、FDD
    • E、SCSI

    正确答案:B,C

  • 第7题:

    单选题
    Which of the following technologies was created to reduce cost, increase cable length, and uses 3.3v across the line?()
    A

     Wide-Ultra2 SCSI-3

    B

     High-Voltage Differential

    C

     Low-Voltage Differential

    D

     Fibre Channel


    正确答案: C
    解析: 暂无解析

  • 第8题:

    单选题
    An administrator is up grading the back up server from a single tape drive to a SCSI tape library. The library has been unpackaged, mounted, and the library drivers installed.  Which of the following items should the administrator have to connect the device to the backup server?()
    A

     SCSI cable

    B

     SCSI interface adapter on the tape library

    C

     SCSI termination card on the server

    D

     iSCSI cable


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    Which of the following technologies was created to reduce cost, increase cable length, and uses 3.3v across the line?()
    A

    Wide-Ultra2 SCSI-3

    B

    High-Voltage Differential

    C

    Low-Voltage Differential

    D

    Fibre Channel


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    Which of the following SCSI signaling systems uses one return line for every outgoing line, is less susceptible to interference, signal degradation, crosstalk, and allows a cable length of up to 25 meters?()
    A

     SE (Single Ended)

    B

     DE (Double Ended)

    C

     LVD (Low Voltage Differential)

    D

     HVD (High Voltage Differential)


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    All Loran-C transmitting stations are equipped with cesium frequency standards which permit ().
    A

    every station in one chain to transmit at the same time

    B

    each station to transmit without reference to another station

    C

    on-line transmission of single-line transmitters at the same time

    D

    each station to only depend on the master for synchronization and signal ratio


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    Which of the following cables is the MOST susceptible to interference?()
    A

    Fiber

    B

    Coax

    C

    UTP

    D

    STP


    正确答案: A
    解析: 暂无解析

  • 第13题:

    Which of the following technologies was created to reduce cost, increase cable length, and uses 3.3v across the line?()

    A. Wide-Ultra2 SCSI-3

    B. High-Voltage Differential

    C. Low-Voltage Differential

    D. Fibre Channel


    参考答案:C

  • 第14题:

    Which of the following is the MAXIMUM cable length for 802.3 Ethernet?()

    • A、33 Feet (10 meters)
    • B、100 Feet (30 meters)
    • C、328 Feet (100 meters)
    • D、1200 Feet (366 meters)

    正确答案:C

  • 第15题:

    船尾单绑留尾缆和倒缆。()

    • A、Single up forward to head line and spring.
    • B、Single up aft to stern line and spring.
    • C、Single up aft to head line and spring.
    • D、Single up aft to breast line and spring.

    正确答案:B

  • 第16题:

    Which of the following technologies was created to reduce cost, increase cable length, and uses 3.3v across the line?()

    • A、Wide-Ultra2 SCSI-3
    • B、High-Voltage Differential
    • C、Low-Voltage Differential
    • D、Fibre Channel

    正确答案:C

  • 第17题:

    After 100 meters (328 feet), CAT6 cabling is known to experience which of the following symptoms?()

    • A、Signal loss
    • B、Signal bleed
    • C、Data collision
    • D、Crosstalk

    正确答案:A

  • 第18题:

    Given the following code fragment:      1) String str = null;  2) if ((str != null) && (str.length() > 10)) {     3) System.out.println("more than 10");     4) }  5) else if ((str != null) & (str.length() < 5)) {     6) System.out.println("less than 5");     7) }  8) else { System.out.println("end"); }   Which line will cause error?()    

    • A、 line 1
    • B、 line 2
    • C、 line 5
    • D、 line 8

    正确答案:C

  • 第19题:

    多选题
    Given: Which two methods, inserted independently at line 17, correctly complete the Sales class?()
    A

    double getSalesAmount() { return 1230.45; }

    B

    public double getSalesAmount() { return 1230.45; }

    C

    private double getSalesAmount() { return 1230.45; }

    D

    protected double getSalesAmount() { return 1230.45; }


    正确答案: B,A
    解析: 暂无解析

  • 第20题:

    单选题
    Given the following code fragment:      1) String str = null;  2) if ((str != null) && (str.length() > 10)) {     3) System.out.println("more than 10");     4) }  5) else if ((str != null) & (str.length() < 5)) {     6) System.out.println("less than 5");     7) }  8) else { System.out.println("end"); }   Which line will cause error?()
    A

     line 1

    B

     line 2

    C

     line 5

    D

     line 8


    正确答案: C
    解析: 此题需要将代码仔细看清楚,查询没有逻辑错误,if …else的使用没有问题,也没有拼写错误,错误在于第5行的“与”操作符的使用,逻辑操作符(logical operator)的“与” 应该是&&,而&是位逻辑操作符(bitwise logical operator)的“与”,使用的对象不一样,逻辑操作符的“与”的左右操作数都应该是布尔型(logical boolan)的值,而位逻辑操作符的左右操作数都是整型(integral)值。

  • 第21题:

    单选题
    Which of the following is the MAXIMUM cable length for 802.3 Ethernet?()
    A

    33 Feet (10 meters)

    B

    100 Feet (30 meters)

    C

    328 Feet (100 meters)

    D

    1200 Feet (366 meters)


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    Which of the following cable types can cause interference on the network when disconnecting any one machine?()
    A

    Coaxial

    B

    Cat 1 UTP

    C

    Cat 3 UTP

    D

    Cat 5 UTP


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the().
    A

    towing vessel is less than 50 meters

    B

    towing vessel is greater than 50 meters

    C

    tow is less than 200 meters

    D

    tow is greater than 200 meters


    正确答案: D
    解析: 暂无解析

  • 第24题:

    单选题
    Which of the following command line utilities allows a technician to create a new directory?()
    A

    RD

    B

    CD

    C

    DIR

    D

    MD


    正确答案: A
    解析: 暂无解析