单项选择题Which of the following devices replicates and passes data to all devices connected to it?（）

A.Switch
B.Router
C.Bridge
D.Hub

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1.单项选择题Which of the following would BEST protect hardware from dust and ESD when storing it for futureusage?（）

A. Air filter
B. Anti-static bags
C. Compressed air
D. Paper bag

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2.单项选择题Which of the following network devices uses NAT to convert private IP addresses into public IPaddresses?（）

A.NAS
B.Firewall
C.Hub
D.Bridge

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3.单项选择题Which of the following ports is used for HTTPS traffic by default?（）

A.80
B.143
C.443
D.8080

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4.单项选择题Which of the following ports is used by default for IMAP traffic?（）

A.53
B.110
C.143
D.443

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5.单项选择题Incorrect menu options continue to be selected on a device. Which of the following MUST becalibrated to help correct the issue?（）

A. Touchscreen
B. Joystick
C. Mouse
D. On-screen keyboard

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6.单项选择题A user wants to replace their 17” CRT monitor with the thinnest possible 17” monitor available.Which of the following monitors should the user purchase?（）

A. LED LCD
B. DLP
C. CCFL LCD
D. Plasma

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7.单项选择题A user wants to convert their current computer into an audio/video editing workstation byupgrading components. They want to start by upgrading the hard drive. Which of the followinghard drives should be chosen to maximize read/write speed?（）

A. Zip drive
B. 15,000 rpm SATA
C. 7,200 rpm IDE
D. USB flash

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8.单项选择题A user notices the department laser printer is printing light. Which of the following items should a technician do FIRST to fix this issue? （）

A. Remove and clean the fuser assembly with an alcohol based cleaner.
B. Install a maintenance kit and reset all page counts to zero.
C. Perform a full power cycle on the printer.
D. Clean the paper path with a damp cloth and canned air to remove any debris.

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9.单项选择题A technician is installing an Express Card 54 device into a laptop. How will the device MOST likely be installed?（）

A. Into available expansion slot
B. Via physical external dongle
C. Via internal expansion slot
D. Into any available USB slot

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10.单项选择题Which of the following channels, when used in close proximity to one another, provide the BESTprotection against crosstalk?（）

A. 1 and 11
B. 2 and 10
C. 6 and 1
D. 6 and 11

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最新试题

A customer reports that the laser printer produces poor quality printouts. Having arrived onsite, the technician has a discussion with the customer and reviews some examples of their print jobs. Which of the following should the technician do NEXT? （）

题型：单项选择题

Which of the following is needed to perform an ASR restore in Windows XP?（）

题型：单项选择题

Which of the following is an advantage of upgrading to a 64-bit version of Windows? （）

题型：单项选择题

Which of the following protocols uses port 80?（）

题型：单项选择题

After installing a new SATA hard drive the technician notices the drive is hot to the touch and is giving off a slight odor. Which of the following should the technician do? （）

题型：单项选择题

A technician notices that there is a second partition on the primary hard drive. This partitionis notassigned a drive letter and is not accessible from Windows. Which of the following is the MOST likely explanation for this extra partition?（）

题型：单项选择题

Which of the following bus speeds is used for a PCIe card?（）

题型：多项选择题

While a technician is responding to a customers call, a co-worker keeps insisting on telling the technician about their weekend. Which of the following is the BEST course of action?（）

题型：单项选择题

A technician converts several existing Windows XP Professional laptops from English to the German language. Which of the following is the correct path to change the language settings?（）

题型：单项选择题

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

题型：单项选择题