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WorksheetsDomain 4
Total questions: 32
Worksheet time: 32mins
A technician is tasked with installing additional RAM in a desktop computer. Which of the following types of RAM is MOST likely to be used?
SODIMM
DDR3
ECC
VRAM
Vertical streaks are appearing on the output of a laser printer. Which of the following items is the MOST likely cause?
Roller
Drum
Transfer belt
Ribbon
A user is trying to play a DVD on a projector. The user can hear the audio; however, the projector is showing an error message that states: HDMI Blocked due to Copy Protection.
Which of the following is the MOST likely cause of the error?
The HDMI cannot carry the signal from the DVD to the projector.
The user needs to switch from HDMI to a cable standard such as DisplayPort.
The projector does not support the necessary HDCP protocol.
The user needs to enable copy-protected sources in the projector's settings.
While implementing a non-carrier-grade wireless backhaul, a technician notices the current channel selection is extremely polluted with various RF signals. Upon performing a spectral analysis, the technician discovers a channel containing almost no RF pollution. Unfortunately, the technician is unable to select that channel.
Which of the following is the MOST likely reason for this issue?
The channel is reserved for licensed band use.
The channel selection is defective; contact the manufacturer.
The channel must be unlocked by the vendor.
The device requires a firmware update to unlock the channel.
A user submitted a support ticket that states all of the printouts from a laser printer appear to have double images imposed on them. A review of past printer support tickets shows that a maintenance kit has not been installed in more than a year.
Which of the following printer consumables is MOST likely causing the issue?
Separation pad
Transfer roller
Ink cartridge
Fuser
A technician is configuring a workstation to be used as a VM host. After installing the necessary software, the technician is unable to create any VMs. Which of the following actions should be performed?
Disable the BIOS password.
Enable TPM.
Enable multithreading.
Enable Fast Startup.
A user's computer is not receiving a network connection. The technician confirms that the connection seems to be down and looks for the user's port on the patch panel. The port and patch panel are not labeled. Which of the following network tools should the technician use to identify the port?
Network tap
Punchdown tool
Toner probe
Crimper
A user, who is attempting to give a presentation via a projector in a conference room, reports that the projector has video but no audio. Which of the following will MOST likely resolve the issue?
Changing the input on the projector to VGA
Changing the output on the PC to DVI
Modifying the projector's refresh rate
Utilizing an HDMI connection
A customer reports that a computer is never able to reach more than a 100Mbps transfer data rate, even when using a Gigabit LAN card. While troubleshooting, the technician notices the network cable needs to be replaced. Which of the following cable categories is limiting the transfer speed?
Cat 5
Cat 5e
Cat 6
Cat 6a
While using a popular video-conferencing program, the user selects a webcam, but the software is unable to open the webcam. The webcam was working the previous day. Which of the following should be done to address this issue?
Close other video software and retry.
Adjust the conference software to a compatible resolution.
Switch the video from the webcam to conference mode.
Reseat or replace the webcam.
A user failed to gain access to a building's entrance after security measures at the entrance were upgraded last week. The company implemented the 13.56MHz frequency short band, and users can now utilize their mobile devices to authenticate. Which of the following has to be enabled for the mobile device to authenticate?
Bluetooth
Biometrics
NFC
PIN
Which of the following standards supports MIMO technology?
802.11a
802.11b
802.11g
802.11n
A technician powers on a PC and its monitor and sees the following error message: No input signal detected
The display lights on the computer are on. Which of the following is a possible solution?
Changing the BIOS settings
Changing the connector setting on the monitor
Checking the power plug on the monitor
Checking the power plug on the PC
Which of the following components enables the input on a mobile device's touch screen?
OLED
Digitizer
Inverter
CMOS sensor
A technician unboxed a new computer, plugged it in to a UPS, and connected the requested peripherals. The computer lights and fans turn on, but the technician hears three loud, consecutive beeps during boot. Which of the following actions will remediate the issue?
Replacing the power supply
Replacing the UPS
Changing the CMOS battery
Reseating the RAM
An IT manager discovered that hundreds of pages of printed materials are being recycled each day because the materials are left on the printer tray instead of being picked up by users. Which of the following would BEST prevent this waste?
Send friendly reminders to not print unnecessarily.
Enable duplex printing to reduce paper utilization.
Bill each department for the excess material cost.
Require a code or badge before releasing a print job.
An online retailer wants to save money and is considering migrating to the public cloud so capacity can be added during the peak shopping season and automatically removed when the peak is over. Which of the following BEST describes this aspect of cloud computing?
Rapid elasticity
Metered utilization
Shared resources
High availability
A technician is receiving reports that the entire office sporadically loses network connectivity throughout the day. The technician determines the root cause to be EMI. Which of the following cable mediums would be the MOST cost effective without sacrificing system performance?
Coaxial
Shielded Cat 6
Plenum Cat 5e
Multimode fiber
An organization maintains various record types, including health and criminal justice records. Which of the following cloud environments is the organization MOST likely to use to limit the attack surface?
Public
Hybrid
Community
Private
Which of the following describes metered utilization of cloud resources?
Resources provisioned instantly
Payments made only for resources that are used
Resources pooled to increase computing power
Implementation of rapid elasticity
A user on a SOHO network is unable to watch online videos, even at 240 pixels. The technician runs ipconfig from the user's computer and records the following:
Connection-specific DNS Suffix . : lan
Link-local IPV6 Address......... : fe80::1585:7fb2:b05f:7102%12
IPv4 Address.................... : 192.168.1.131
Subnet Mask..................... : 255.255.255.0
Default Gateway................. : 192.168.1.1
The technician then connects a test laptop to the router via the user's Cat 5 cable and records the following information:
Download: 85 mbps
Upload: 22 mbps
Ping: 28 ms
Which of the following is MOST likely causing the user's issue?
Incorrect IP address
Faulty NIC
Misconfigured default gateway
Bad network cable
A colleague has a laptop that has been working as expected for several years, but the laptop now has a small bulge in the bottom casing and overheats occasionally while plugged in to a wall outlet. The MOST likely component that needs to be replaced is the:
power adapter.
battery.
system fan.
hard drive.
A company just bought a printer capable of automatically printing on both sides of the paper. After installation, however, the technician can only print on both sides of the paper manually. Which of the following should the technician do to fix the issue?
Install the most recent firmware upgrade available for the printer.
Contact the vendor for a hardware replacement.
Reinstall the printer software and drivers, and then restart the printer.
Read the installation manual and configure duplex settings.
A small office has a wireless network with several access points for roaming laptop use. Users occasionally report that the wireless connection drops or becomes very slow. Users have confirmed that this issue only happens when connected to the office wireless network. Which of the following would MOST likely be the cause?
Hidden SSID
Device interference
Ethernet port flapping
High ISP latency
Which of the following cloud models maintains access, even when a local internet outage occurs?
Private
SaaS
Community
Public
A user is researching hard drives to upgrade a PC and has decided to purchase a NVMe drive. Which of the following should the user confirm are available on the PC before making the purchase? (Choose two.)
SATA
M.2
PCIe
SAS
SCSI
A laptop has been returned for a screen repair. The owner insists the screen is broken, but occasionally a faded image is able to be seen in very bright settings on the desktop. Which of the following steps should the repair technician take FIRST?
Replace the graphics card.
Replace the screen, as the customer insists.
Recommend the usage of an external display instead.
Ensure the backlight is functioning as expected.
A laptop PC user is reporting issues with the hard drive. A filesystem check shows that all files are accessible and the filesystem is clean. After the check, the PC still issues a hard drive error message. Which of the following is the MOST likely cause of the error?
S.M.A.R.T failure
IOPS failure
DIMM failure
RAID failure
A user reboots a machine. On rebooting, the user hears one beep, and then an error message is displayed. Which of the following are MOST likely causing this issue? (Choose two.)
RAM module
Graphics card
CPU
Boot order
USB flash drive
A salesperson is using a weather application on a mobile device. The application appears to be draining the device's battery very quickly. Which of the following is the BEST action for the salesperson to take in order to view weather forecasts while travelling?
Enable the GPS service to ensure accurate location detection.
Manually enter office locations in the weather application.
Configure less frequent location checks using cellular location services.
Use the offices' Wi-Fi IP addresses as the geolocation mechanism.
A technician replaced a motherboard on a server, and now the 64-bit hypervisor is not loading correctly. Which of the following needs to be enabled for the hypervisor to run?
Hardware prefetcher
Hyperthreading
vPro
VT-d
A user's mobile phone gets really hot to the touch and does not retain a charge. The user also reports that the phone is very slow, especially while charging. Which of the following is MOST likely causing these symptoms?
Broken charging port
Digitizer failure
CPU overheating
Defective battery
