Which of the following is not an example of wireless networking communications?
An employee complains that every time they turn their computer off, the computer's time is set to 12:00 p.m., and the date is set back to January 1, 1990. Which of the following is the MOST likely cause of this anomaly?
The CMOS battery has failed.
The CMOS chip is failing.
The CMOS settings are not being saved before powering off the computer.
The CMOS chip on the motherboard is loose.
Which of the following tools is specifically designed to test the DC voltage on a hard disk drive power connector?
Power supply tester
An end user clams they are unable to connect to the internet and has called the company's help desk for a
solution. Having been assigned to this issue, you decide to first test whether or not TCP/IP is working correctly on the local computer. Which of the following is the BEST command to use for this test?
ping -a localhost
A user sends a print job to a network printer, and it prints page after page of random characters. He calls the help
desk, and a technician discovers that the wrong printer driver had been loaded on the user's workstation. The
technician loads the correct driver, verifies that the system works correctly, and documents the resolution.
Which of the following actions should the technician perform NEXT?
Formally close the incident in any job tracking tool.
Write an email to the user's supervisor and insist that he train his employees on how to use the network printer.
Disable the network printer until users learn to use the correct drivers.
Educate the user as to how the problem was resolved and verify that they are satisfied with the results.
Upgrade to a newer printer that uses embedded drivers.
Which data transmission rate is defined by the IEEE 802.11b wireless standard?
An administrator configures a server to run the TCP/IP suite protocol that allows users to download files
contained in specific directories on the server and also protects access to those files by requiring user
authentication. Which of the following TCP/IP port numbers allow this protocol to work properly? (Select TWO).
Which of the following port is required for DNS?
Which of the following allows a computer to communicate with a printer?
Which of the following is a wired networking method most commonly used today by desktop PCs and other
network devices to connect to a local area network?
A user normally connects a laptop to a company's network using the laptop's internal wireless NIC. The laptop does not have an Ethernet port. The wireless network has failed, and the replacement part will take two days to arrive.
Which of the following solutions will connect the laptop to the company's wired network?
Use a USB-to-Wi-Fi dongle to replace the laptop's internal wireless NIC.
Transfer files using an external USB flash drive and then move the flash drive to a computer that is
connected to the network.
Use a USB-to-RJ45 dongle and connect to a wall jack with an Ethernet cable.
Enable a Bluetooth connection between the laptop and a computer that is connected to the network.
The human resources department wants to give gifts away at the company's summer party. They would like to have an assortment of fitness tracker wristbands, smartwatches, smart glasses, and virtual reality headsets. They have been trying to locate these on the internet, but have been unsuccessful.
Which of the following types of mobile devices should you tell them to search for?
While traveling in a car, a user who has an unlimited data plan on a smartphone opens a wireless connection to share the internet with other passengers.
Which of the following connection types is MOST likely being used?
Which of the following are antenna types that are commonly used in wireless networks? (Select TWO).
High EMI antenna
Which expansion slot is best for high-end dedicated video cards?
Which connector is used with unshielded twisted pair (UTP) cable?
You are installing a satellite connection so your home office can connect to the internet. Which of the following
statements is true?
The connection to your computer from the satellite modem may be RJ11 or F-type.
The satellite dish must be pointed in the correct direction for communicating with the satellite.
The connection between the satellite modem and dish uses a USB cable and connector.
You must have at the least one available phone line for data uploads.
You're responsible for ordering consumables for your organization's printers. Users print from these printers
frequently and demand the utmost in reliability.
Which of the following would be the BEST option when ordering new toner for these printers?
Toner refill kits.
Toner cartridges recommended by the printer manufacturer.
Remanufactured cartridges from a recycler.
Discount toner cartridges from a third-party manufacturer.
A technician connects two network switches using a twisted pair cable. Neither switch supports auto-uplinking. Which of the following identifies the TIA wiring standard required on each end of the cable?
Both ends on RJ45
One end must be T568A, and the other must be T568B.
Both ends must only be T568A.
Both ends must only be T568B.
Which of the following protocols can your portable computer use to connect to your company's network via a
virtual tunnel through the internet? (Select TWO).
Remote Desktop Protocol (RDP)
Zoey has brought her computer in for servicing. When she dropped off her computer, she mentioned that her computer will sometimes spontaneously reboot and freezes occasionally. Which of the following is the MOST likely cause of this problem?
Bad network card
What type of peripheral device is typically found on a laptop computer and allows the user to control the cursor
with a finger?
You are servicing a client's computer that has been randomly restarting. You decide to test the power supply using a multimeter. You connect the positive lead to the yellow wire on one of the Molex connectors. Which of the following BEST describes the action you should take based if the multimeter reading is below 11v?
Keep using the power supply, but stop using that particular Molex connector.
Continue using the power supply until the voltage on the yellow wire drops to less than 9 volts.
Switch the voltage selector on the back of the power supply to 230 volts AC.
Replace the power supply because it is failing.
Which of the following are true regarding a dual-channel memory bandwidth configuration? (Select TWO).
Only DDR2 memory is supported.
Bandwidth is doubled.
The memory controller must support dual-channels.
Bandwidth is increased by 5-15%.
A customer wants to add an additional video card to her computer so she can play the latest computer games. As a result, this system will now have a multi-GPU configuration. Which of the following statements are true? (Select TWO).
An SLI video card can be linked with a CrossFire video card.
Linking video cards also provides additional video output ports.
Linking only shares memory resources, not GPU resources.
The motherboard should support either SLI or CrossFire.
For the best performance, both video cards should be identical.
A technician has configured a client computer's network interface with addresses of servers where the client will
send requests for translating Fully Qualified Domain Names (FQDNs) to IP addresses and IP addresses to FQDNs. Which of the following TCP/IP suite protocols is used by the client to perform the request and also used by a server to respond to these requests?
Domain Name System (DNS) protocol
Secure Shell (SSH)
Server Message Block (SMB)
Dynamic Host Configuration Protocol (DHCP)
A SOHO customer finds that their VoIP conversations frequently break up and become unintelligible. This
happens most often when one person in the office streams video from the internet. Which of the following onfiguration changes on the SOHO router is MOST likely to improve VoIP performance?
Create a DMZ and add the VoIP phone to it.
Change QoS settings to give VoIP traffic more priority.
Change DHCP to give the VoIP phone a static IP address.
Forward UDP ports 5060 to 5065 to the VoIP phone.
Your motherboard has two memory slots and supports a maximum of 8 GB of RAM. You are using a 32-bit version of Windows. After installing two 4 GB modules and booting our system, you find that Windows only recognizes 3.5 GB of RAM. Which of the following would MOST likely fix this issue?
Return both modules for a replacement.
Change the memory timings in the BIOS to a slower (higher) setting.
Upgrade to a 64-bit version of Windows.
Reboot the computer and run memory diagnostic tests on the memory.
Make sure that both modules are seated properly in their slots.
Which of the following statements accurately describes how a modem works? (Select TWO.)
It demodulates analog PC data into digital data that can be transmitted through a telephone network.
It modulates digital data from the PC into analog data and transmits it on a telephone network.
It transmits digital signals over ordinary telephone copper wiring at a rate up to 128 Kbps.
It modulates digital data from a telephone network into analog data that a PC can use.
It communicates over a telephone network using digital signals.
It demodulates analog data from a telephone network into digital PC data.
Which of the following types of internet connection services can allow you to be truly mobile while maintaining your internet connection?
Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents?
A technician is unable to install virtualization software on a host computer. The host has more free disk space than required. Which of the following is MOST likely to be the cause?
The motherboard UEFI/BIOS doesn't support hardware assisted virtualization.
The CPU doesn't have multiple core processors.
There is no auxiliary hard drive to store the VM files.
There is insufficient physical memory on the host to support both the host and the VM.
Which port does Telnet use?
You are trying to troubleshoot a desktop power supply issue using a voltmeter. Which of the following options are the MOST common voltages produced by the power supply? (Select TWO).
+/- 10 v
+/- 12 v
+/- 110 v
+/- 120 v
+/- 5 v
You want to implement name resolution on the Linux workstations in your company. Which protocol will you use
to do this?
Which component in a laser printer prepares the photosensitive drum for writing by causing it to receive a
negative electrostatic charge?
Organic photoconductor (OPC) drum
You want to use a wireless keyboard and mouse with your laptop computer. Which method should you choose?
What can you do to definitively determine if the CPU is causing the system crashes?
Switch to a comparable CPU from a different manufacturer.
Replace the suspect CPU with a known good CPU of the same make and model.
Throttle the processor to reduce the operating frequency and minimize power consumption.
Downgrade to a CPU that has fewer cores and is less demanding on your system resources.
After a user checks the volume settings and makes sure it not muted, sound still isn't coming from the internal speaker on a tablet device.
Multiple apps are sending audio to the speakers.
The tablet is set to airplane mode.
The battery needs to be charged.
The audio output is being directed to a Bluetooth speaker.
Which of the following is MOST likely reason?