单选题Which of the following network media types uses laser light to carry the information?（）A IEEE 1394B STPC RG-6D Fiber

题目
单选题
Which of the following network media types uses laser light to carry the information?（）
A

IEEE 1394

B

STP

C

RG-6

D

Fiber

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1.单选题A Denial of Service (DoS) attack is:（）A an attempt to bring down a website or other online service.B a prank where someone sends an unauthorized e-mail attempting to close a user’s e-mail account.C stealing a user’s identity and making changes to their accounts.D an attempt to change a user’s password to prevent access to a service by repeatedly guessing the user’s information.

2.单选题A user is experiencing headaches and motion sickness symptoms when using their new computermonitor. Which of the following can a technician adjust to help the user?（）A Privacy filterB Refresh rateC Use a digital signalD Brightness

3.单选题A technician needs to find an end of a network cable drop. Which of the following tools would the technician use?（）A Cable testerB MultimeterC Toner probeD Loopback plug

4.单选题Which of the following computers are used for basic applications and meets the MINIMUMrequirements for running Windows?（）A Virtualization workstationB Home server PCC CAD workstationD Thin client

更多“Which of the following network media types uses laser light”相关问题

  • 第1题：

    单选题
    Which of the following BEST describes the function of hyperthreading support within a CPU?（）
    A

    Allows the core to create a separate space to process threads

    B

    Allows the processor to handle multiple threads per core

    C

    Allows the core to shift to a higher clock speed based on thread count

    D

    Allows the processor to reject certain threads to increase performance


    正确答案： A
    解析： 暂无解析

  • 第2题：

    多选题
    Which of the following are standard AMD processor socket types?（）
    A

    1366

    B

    1155

    C

    940

    D

    LGA

    E

    F


    正确答案： A,D
    解析： 暂无解析

  • 第3题：

    单选题
    Which of the following uses pair authentication to provide a wireless connection between twodevices?（）
    A

    802.11n

    B

    Bluetooth

    C

    Infrared

    D

    Cellular


    正确答案： A
    解析： 暂无解析

  • 第4题：

    单选题
    After hardware upgrades have been installed, the technician boots the computer system. Nodisplay output is observed but a beeping is heard from the computer. Which of the following is the MOST likely issue?（）
    A

    Hard drive cables are not connected.

    B

    BIOS chips are not seated properly.

    C

    The power supply is not functioning.

    D

    Video card is not seated properly.


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    While performing a preventative maintenance check on a personal computer, a technician notices thatseveralunused expansion card slots have open ports. Which of the following BEST describes why the covers for these card slots should be reinstalled?（）
    A

    Help limit radio frequency interference (RFI) inside the case.

    B

    Help ensure proper air flow through the case.

    C

    Help prevent moisture buildup in the case.

    D

    Help limit electrostatic discharge (ESD) inside the case.


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    Which of the following utilities would be used to configure energy saving measures when a laptop switches to battery power?（）
    A

    MSTSC

    B

    ACPI

    C

    GDI

    D

    MSCONFIG


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    Which of the following can be hot-swappable?（）
    A

    Hard drive

    B

    Tape drive

    C

    Floppy drive

    D

    DVD-RW


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    Which of the following BIOS level settings allow an administrator to view warnings on possiblehardware level changes?（）
    A

    Drive lock

    B

    Intrusion detection

    C

    BIOS password

    D

    Trusted platform module


    正确答案： A
    解析： 暂无解析

  • 第9题：

    多选题
    Which of the following network connections would use a standard POTS line to both send andreceive Internet packets?（）
    A

    Dial-up

    B

    DSL

    C

    Satellite

    D

    OC3

    E

    T1


    正确答案： D,A
    解析： 暂无解析

  • 第10题：

    单选题
    Which of the following expansion devices would allow a user to utilize multiple hardware profiles to control an external display and power option?（）
    A

    PCI Express card

    B

    KVM

    C

    PCMCIA card

    D

    Docking station


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    Which of the following protocols is used by thin clients?（）
    A

    IPX

    B

    NetBIOS

    C

    RDP

    D

    UDP


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following RAM types is used if it is labeled as 4 GB PC1333?（）
    A

    RAMBUS

    B

    DDR3

    C

    SDIMM

    D

    SIM


    正确答案： A
    解析： 暂无解析

  • 第13题：

    单选题
    Which of the following types of software protection will help mitigate any threats coming fromworms or Trojans?（）
    A

    Spam blocker

    B

    Anti-Virus

    C

    Anti Spyware

    D

    Anti adware


    正确答案： C
    解析： 暂无解析

  • 第14题：

    单选题
    After a technician installs a video card, which of the following should the technician configure NEXT?（）
    A

    Resolution

    B

    Colors

    C

    Dots per inch

    D

    Refresh rate


    正确答案： D
    解析： 暂无解析

  • 第15题：

    单选题
    Which of the following is the maximum FAT32 volume size Windows 2000 and XP will recognize?（）
    A

    Up to 16GB

    B

    Up to 32GB

    C

    Up to 1024GB

    D

    Up to 2048GB


    正确答案： B
    解析： 暂无解析

  • 第16题：

    单选题
    Which of the following allows verification of the port that a printer is currently using?（）
    A

    The print queue window from system tray

    B

    Properties of the printer from the Printers Control Panel

    C

    Print spooler view in the Printers Control Panel

    D

    Properties of the port within Device Manager


    正确答案： D
    解析： 暂无解析

  • 第17题：

    单选题
    After installing a new optical drive into a workstation, which of the following will ask for anacknowledgement?（）
    A

    IRQ Manager

    B

    BIOS

    C

    Device Manager

    D

    Hardware Compatibility List


    正确答案： D
    解析： 暂无解析

  • 第18题：

    单选题
    Which of the following is enabled in the BIOS that will prompt a user to enter their password every time the laptop performs a POST?（）
    A

    Power User access

    B

    Power on password

    C

    Administrative password

    D

    User profile access


    正确答案： D
    解析： 暂无解析

  • 第19题：

    单选题
    A technician receives a boot error message OS not found. Which of the following should thetechnician check? （）
    A

    The boot order in the BIOS

    B

    If Plug and Play is enabled

    C

    If the computer is in Safe Mode

    D

    If the BIOS is current


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    When a grounding strap is not available, a technician can ground by touching the computer’s:（）
    A

    power supply.

    B

    CPU fan.

    C

    memory chips.

    D

    motherboard.


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    When servicing a laptop, which of the following components usually requires the keyboard to beremoved before the component can be replaced?（）
    A

    Processor

    B

    Hard drive

    C

    Battery

    D

    Optical drive


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    A technician arrives in Germany and discovers that when their PC is plugged into the outlet, nopower is received. Which of the following actions should the technician take to get the PC tooperate?（）
    A

    Change the BIOS settings to the local time

    B

    Adjust the voltage selector switch

    C

    Attach a 220 volt power strip from the current region to the PC

    D

    Attach a 120 volt battery backup power supply to the PC


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    A memory type typically used in high end workstations and not generally found in consumer gradePCs is:（）
    A

    ddR3.

    B

    ecc.

    C

    pc2-6400.

    D

    ddR2-667.


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    A home user working outside an office reports that their laptop is no longer connecting to theInternet. Which of the following would a technician recommend to check FIRST?（）
    A

    Windows Firewall settings

    B

    DHCP settings

    C

    Disable HomeGroup

    D

    Wireless on/off switch


    正确答案： C
    解析： 暂无解析

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