Comptia PM
How can a technician eliminate overheating as the cause of a sluggish computer?
By checking the temperature sensor
What voltage range do appliances such as dryers, heavy-duty power tools, and oven ranges require?
220V
What kind of storage media can have grinding and clicking as a diagnostic tool?
HDD
A logistics company wants to streamline its workflow and track shipments as they move in and around its facilities without barcode scanners. What type of personal area networking solution would best suit this requirement?
RFID
A consumer buys the cheapest laptop that they can possibly find. Which component did the consumer choose not to include in the laptop that would help drive down the cost?
Webcam
Users at an organization rely heavily on attending online meetings with clients and customers. The IT department purchases new laptops for these users to support conferencing needs. What component does IT ensure the laptop has when the specification is 1080p?
Webcam
A support desk technician must make a custom-length Ethernet patch cable for a user's desk setup. What tool do they need to create this cable? (Select all that apply.)
Cable stripper Crimper Snips
A user notices that their laser printer is not working and is causing an error. When the technician looks at the printer, they notice that the user was using thick paper, causing a part of the printer to overheat. Which part of the printer has overheated?
Fuser unit
What does the Microsoft Windows "Programs and Features" applet allow the user to manage?
Legacy software/OS
Which of the following network scan services must the multi-function device (MFD) configure with the path to a suitable file server and shared folder?
SMB
A user needs to change the direction of the viewing of a page. What tab would the user need to click on to change the page view from portrait to landscape?
Orientation
What should a software development company utilize to test software applications that must operate under several different OS and resource constraints?
Cross-platform virtualization
A remote user contacts the IT desk to report that they accidentally dropped a mobile device. It is no longer responsive when trying to tap on icons. Which component is likely damaged and is causing the problem?
Digitizer
What are the manufacturers' specific recommendations for cleaning and maintaining laser printers? (Select all that apply.)
Wipe with a soft cloth, Use a toner-safe vacuum
A tablet user connects a Bluetooth keyboard. What would be expected in the pairing process?
Enter a PIN.
Which type of DDR RAM have non-ECC and ECC types?
DDR5
An infrastructure engineer requests that a specific computer always gets a particular IP address when it connects to the network. They do not keep proper records of IP addresses, so they would rather not set the host's IP with a static address. What can the engineer use to ensure this host gets the requested address?
DHCP reservation
A user complains the cursor on their laptop jumps around on its own. This is especially bad while they are typing. What could solve this problem? (Select all that apply.)
Disable the touchpad. Configure input options.
A company offers a bring your own device (BYOD) program at work. Several users approach the company in an effort to receive reimbursement for changing personal phones to the company's carrier. This will be done by swapping out a subscriber identity module (SIM) card in devices with which network type?
GSM
Each Ethernet network interface card (NIC) port has a unique hardware/physical identifier used for network routing and switching. What is this unique hardware or physical identifier?
Media access control address
A technician installs a type of computer memory into a laptop built using integrated circuits. What is this called?
SODIMM
Which redundant array of independent disks (RAID) applies a strategy that is the simplest way of protecting a single disk against failure by using a mirrored drive configuration with two disks?
RAID 1
A user is trying to send the audio and video from their computer to a large panel display, but the audio will not play through the large display. The user has a VGA cable connected to the display. What would fix this problem?
Change to an HDMI cable.
A technician is working on a blank computer monitor problem. The monitor power cord is plugged in and receiving power. What is the next step to check?
Check if the monitor connects to the computer.
What problem does a screensaver help prevent?
Display burn-in
An on-premises data center is moving to a cloud model to take advantage of the many benefits cloud computing offers. One of the most important benefits of this specific data center is handling changes to demand in real-time without degrading services. Which of the following is the most important benefit of migrating this data center to the cloud?
Rapid elasticity
This protocol makes a secure connection to the graphical interface of another computer and uses TCP port 3389.
Remote Desktop Protocol
A growing manufacturing company wants to better manage all of its controlled systems in various plants around the city. After speaking with a technology vendor, what type of system would they recommend investing in for this solution?
SCADA
A technician troubleshoots a laptop's direct connectivity to the organization's access points connected to an internal network. Troubleshooting starts by removing a screw-down panel to access and examine internal components. Which components does the technician test?
Wireless card
A developer uses a design that implements a system-on-chip (SoC) that controls video, sound, networking, and storage as part of the CPU. What is the developer using?
ARM
A government organization uses an application that must be accessed via Citrix XenApp. What is the software delivery model being used in this scenario?
Application virtualization
An organization rolls out a security update that utilizes either a contactless smart card reader or a fingerprint scanner for login to mobile devices. What type of security implementations is the organization allowing for user logins? (Select all that apply.)
Biometrics Near-field
A cloud service provider (CSP) works with several organizations to establish new cloud deployments that best match their needs. Each organization has similar security needs and is open to sharing resources with other organizations to save money. Which cloud deployment sounds best for the CSP's new customers?
Community cloud
A video gamer is using a product designed to record footage from computer games. What is this called?
Capture card
The TIA/EIA-568-C Commercial Building Telecommunications Cabling Standards have specific recommendations for health care facilities with Power over Ethernet (PoE) 802.3bt installations, and for running distribution system cable to wireless access points. Which Cat does this refer to?
Cat 6A
A user is trying to mirror a computer to a large display monitor for a presentation. The computer is on, and the display reads "no input" on the screen. An HDMI cable connects the two devices. What would be the next thing to check?
Change the display source.
The technician can hear the computer's fan spinning, but no output displays on the laptop. What would be the first troubleshooting technique?
Connect an external monitor to check the screen.
A network administrator noticed that latency has been higher than their service-level agreement (SLA) covers for quite some time. What should they do?
Contact the ISP.
A RAID array cannot boot, and the technician cannot reach the configuration utility. There have been no recent changes to the array. What is the likely problem?
Controller failure
An important part of testing a new application is running it under several different OSs and resource constraints so the developer can be sure it will work for all customers regardless of their system. What term is used to identify the application testing described in this question?
Cross-platform virtualization
A laptop user at a company asks the IT department for computer equipment. In addition to an external monitor, the user would like to take advantage of an expansion card. What does IT purchase for the user?
Docking station
Which of the following causes the ink in an inkjet printer to break up into small pumps, which give an electrical charge when they leave the print head and can either stick to the paper or fall off?
Epson design
One of two monitors remains a blank screen after a user logs onto the system. The technician suspected an unplugged monitor, but it was connected. What is the next step in troubleshooting?
Establish a new probable cause.
A user noticed that their PC is generating more heat than can be removed, and the one component designed to draw cool air from the low vents in the front of the case over the motherboard is not working. What is the impacted component?
Fan
What might be diagnosed by no LED status indicators on a drive?
Faulty disk
A system administrator implemented a physical device that expedites cryptographic operations and manages cryptographic keys. What is this device the system administrator implemented?
HSM
A user has accidentally put too much paper in the feed. What possible issues might this cause? (Select all that apply.)
Hole punching issues Staple jams
An IT support specialist updated all the information systems in the office last week and the users are complaining that the routinely used applications no longer work. What is most likely the issue breaking the applications?
Legacy software/OS
What does SMART measure as a performance indicator?
IOPS
A customer builds a new facility that they will mainly use to provide services for physically disabled residents. They would like to accommodate as much as possible so that residents can be more independent. What type of technology, if appropriately secured, would be a great solution to accomplish this goal?
IOT
A consumer that is new to iOS devices does not understand what type of cable is required to charge a new iPhone. The consumer would like an extra cable to keep in a home office. What type of proprietary cable does the consumer look to purchase?
Lightning
The software-defined networking (SDN) model consists of multiple layers for networking functions that can be accessed and managed via scripting and automation. Which of the following are layers within the SDN model? (Select all that apply.)
Infrastructure layer Application layer Control layer
What component can be used in a camera to hold digital image storage?
Memory card
A technician has tested a computer with extended read/write times and found it to have IOPS reduced from vendor baselines. What should the technician do next?
Make data backups.
A user, who is new to computers, inspects a laptop to become acquainted with all the physical features. The user finds a small hole in the top bezel of the display. What feature is this?
Microphone
An IPv6 address is composed of which two main parts? (Select all that apply.)
Network ID Interface ID
A penetration tester must infiltrate a company's facility to capture all the network traffic from a particular set of PCs over a physical network cable. The tester can only access the intermediate distribution frame (IDF) closets into which all devices are patched. What tool can the tester utilize to accomplish their goal?
Network tap
What issue does constant indicator LED activity imply?
Not enough system RAM
How can a technician diagnose capacitor swelling?
Physical inspection
A government organization wants to develop their own application to process information, but they do not want to be responsible for maintaining the hardware or the database platform that the application runs on. Additionally, the organization does not want to be burdened with maintaining the integrity and availability of the database platform because they will be very busy with other responsibilities. Which service would be best for the government organization to pursue?
Platform as a service (PaaS)
What are generic approaches to solving an IT problem?
Repair, replace, workaround
A systems engineer is building a virtual machine to run a service with 8 dual-core CPUs and 500 GB of random access memory to function properly. Where would these two hardware requirements be listed?
Resource requirements
When a user downloads a Microsoft Store application, where does the application run to prevent the app from making system-wide changes and prevent a faulty store app from "crashing" the entire OS?
Sandbox
A startup legal office has specific software needs that are unique to the practice of law. The law firm partner would like to pay software developers to create a custom application but is concerned that the firm does not have the funds. The firm's IT manager has recommended that it use existing applications instead of paying for a new app to be developed. What service is the IT manager suggesting to the firm's partner?
Software as a service (SaaS)
A managed service company works with a client to enumerate and gather all the detailed events, errors, and notifications produced from various network devices. What solution would the company suggest in this particular case
Syslog appliance
A computer has no display on the screen, and it makes continuous beeps after booting. What is the likely problem?
System memory problem
A support technician replaces a Wi-Fi card in a laptop. The following day, the laptop user states that the company's Wi-Fi network signal is weaker than it was before. What does the technician find to be the likely problem?
The antenna is not connected.
A user decides to take a coffee break so the cleaning crew can do their job. After returning, the computer has power but no internet. What is a possible cause?
The cleaners accidentally unplugged the Ethernet cable.
A user calls to report that they cannot connect to the internet and various other internal resources from their laptop. After a technician asks them what IP address their Windows laptop has, they report it has an address of 169.254.0.115. What problem is the user's laptop having?
The laptop cannot get an address from the DHCP server.
A large real estate agency has acquired a new service from their cloud provider called desktop as a service (DaaS). The service will enable the real estate agents to use virtual machines to load their desktops. Which option best describes the service the real estate agency has begun using?
VDI in the cloud
A technician uses a connector that carries visual displays from a personal computer to the monitor. It consists of a cable and connector that is usually blue. What is this called?
VGA
A printer allows connection to a computer through the infrastructure mode. What type of connection is this?
Wireless
A company is building a new office space and data center. They would like network segmentation to ensure that only certain servers and workstations can access sensitive data. What type of devices will be the foundation of that type of network?
Managed switches
IT systems administrators for a company have been busy configuring a fleet of new smartphones for users. Instructions that the administrators follow to configure the devices include using a host address and entering a domain as an optional parameter. Which corporate email service does the company use?
Microsoft Exchange
A technician uses an interface that enables storage access and transport to deliver high throughput and fast response time. What is this called?
NVMe
Which well-known mailbox access protocols utilize mailbox servers to allow the user's client email software to retrieve messages from the mailbox? (Select all that apply.)
POP3,IMAP
What types of components provide input and output functions for a personal computer? (Select all that apply.)
Peripheral device System case
What hardware on a client's computer allows a device and printer to connect over a network?
Print server
A technician works on a faulty unit and needs to remove and replace a power supply unit (PSU) without opening the case and without the server losing power. What is this configuration?
Redundant power supply
A company meets with an IT consultant about building a small data center within their facility. The company would house all its servers in this data center, and each server would have local disks set up for all the servers and PCs to share over the network. The consultant would question this method and suggest installing which storage solution into the data center?
SAN
A contractor working for a managed services company works fully remote from their residence. They have multiple desktops, printers, and even some Wi-Fi access points set up. What type of network is this considered?
SOHO
Which application protocol underpins file and printer sharing on Windows networks and usually runs directly over the TCP/445 port?
Server Message Block
A developer asks that any network requests made to the host name dev23.company.net get directed to a specific IP address of 10.130.25.15. What type of record will the developer need to create?
(A) record
A network engineer completes a site survey in an office for wireless connectivity. Given that the signal needs to get through several walls, what wireless frequency band would best suit the engineers' needs?
2.4 GHz
A gamer wants to connect a headset to a new gaming laptop. What connection options does the gamer have? (Select all that apply.)
3.5 mm jack, USB, Bluetooth
A technician notices that the printer's output was not expected and needs to check the printer's control panel to investigate the problem. What does the technician need to check?
Calibration
A flat panel monitor has several black dots. After extensive troubleshooting, it appears to be a display problem. What can fix this?
Check for warranty replacement.
A network administrator is looking at a user's box which seems to have intermittent connectivity issues. Which of the following should they do first?
Check the physcial cords.
A technician wants to install a non-standard program on a user's computer to solve a problem. What does the technician need to consult before installing the program?
Corporate policies
This protocol provisions secure websites and services and uses port 443.
HyperText Transfer Protocol Secure
A technician researches flat-screen displays to find the perfect model for a conference room. The screen should feature a high viewing angle as the conference room is wide. Which technology does the technician look for when purchasing a flat-screen display?
IPS
A user is having trouble with their laser printer and notices that the light from the laser is not shining on this part of the printer. What part of the printer has a photosensitive surface?
Imaging drum
A student borrows an external hard drive from a friend but cannot see the drive in Windows Explorer. The friend's computer is a Mac. What is the problem?
Incompatible file structures
The 802.11n standard was introduced as an improvement over 802.11a/b/g standards. What characteristics of the 802.11n standard show improved connectivity and performance? (Select all that apply.)
It features the introduction of MIMO. The nominal data rate is 72 Mbps per stream or 150 Mbps per stream for a 40 MHz bonded channel. It can work over both 2.4 GHz and 5 GHz bands.
A user is trying to print visual graphics for an upcoming meeting, but the paper is coming out faded. What should they check first?
Toner cartridge
A user has a TV connected as a presentation monitor but cannot play audio through the TV. The technician has verified that the cables are good and has chosen the correct output. What might fix the problem?
Unmute the TV
A company has found that specific departments are more productive when working from home as remote workers. The company would like to implement this ability and has reached out to a network security firm. What foundational infrastructure solution should the company implement to allow remote workers to access all the needed resources from their laptops at home?
Virtual private network
A network engineer must set up an office's new wireless access points (APs). After installing the access points, the engineer must ensure they set up the radio signals correctly and that all office areas receive the most efficient signal possible. What tool will the engineer utilize?
Wi-Fi analyzer
What are the causes of the error message, "Boot device not found"? (Select all that apply.)
File corruption Faulty disk
An electrical wiring vendor is working with a company building a new office building. Regarding copper network cabling, what may be considered common 802.3 Ethernet standards used for this project? (Select all that apply.)
1000BASE-T 100BASE-T 10GBASE-T
What is the most important output voltage since it is the most heavily used?
12V
Which Institute of Electrical and Electronics Engineers (IEEE) wireless standards operate in the 2.4 GHz wireless frequency band? (Select all that apply.)
802.11g 802.11b 802.11n
A network technician installs wireless access points (APs) in an office and would like to use the power over Ethernet (PoE) features available. The specific model of APs available requires a draw of 20W with a minimum current of 450 mA. Which Institute of Electrical and Electronics Engineers (IEEE) PoE standard best suits this requirement?
802.3at
What software delivery method enables programmers and application administrators to ensure that the application used by clients is always updated with the latest code?
Application virtualization
A technician is working with a vendor who sends a list of unclear instructions regarding system changes. What should the technician do?
Ask for clarification.
While trying to diagnose an intermittent shutdown problem, a technician watches while the user reproduces the error. Before the computer shuts down, it gives the BSOD. How is this helpful in diagnosing the problem?
BSOD displays error codes.
A user's laptop screen is very dim. However, the image becomes bright when the technician attaches an external monitor. What is the problem?
Backlight
An employee uses a device that gives them authentication to release the print job. What is this device?
Badging
A technician needs to upgrade components in a laptop. Which component can the technician install without the use of tools?
Battery
What is a physical indicator of overheating?
Burning smell
A user reports that their PC can not access the internet and internal network resources. The user also reports that the internet is intermittent throughout the day. A technician confirmed that the Ethernet cable is connected securely to the PC and the wall port. What tool should an engineer bring with them to investigate this further?
Cable tester
Users reported an incident where they could not connect to network shares on a specific file server but could utilize all other resources and the internet. After logging into the server locally to check, it seems to be up and connected to the network. There is no response after going to a user's station and using the ping command to contact the server by the documented IP address. What should be the issue to investigate next?
Check the server's IP address. It may have a DHCP-provisioned address instead of a static address.
What information would help diagnose an intermittent shutdown problem?
Circumstance when shutdown occurs
A user has been working with a large transportation company for 30 years and has never seen a double image before. However, when they print the latest report on the new printer they see a double image on the print. What should they do first?
Clean the drum.
If a computer produces digital art, what special process will it require?
Color calibration
A user complains their phone is frozen. They can hard reset it, but nothing works on the screen. What should the technician focus on?
Digitizer
What features of the cloud allow multiple users to simultaneously access content and work collaboratively while tracking edits by each user?
File synchronization
This can be used individually or in conjunction with other configurations to effectively verify email services and block the transmission of spoofed and unwanted messages. (Select all that apply.)
Domain-based Message Authentication, Reporting, and Conformance Sender Policy Framework DomainKeys Identified Mail
What characteristics of Wi-Fi 5 (802.11ac) allow for increased bandwidth and support for modern networks? (Select all that apply.)
Downlink MU-MIMO Designed to work only in the 5 GHz band Typically supports up to four simultaneous clients
A user finished setting up their new laptop on the latest Windows operating system and is currently setting up print capabilities. They go to pick up the paper from the printer but everything comes out garbled. What should they troubleshoot first?
Drivers
What channel system requires support from the CPU, memory controller, and motherboard but not from the RAM devices?
Dual-channel
A server system uses a method where each transfer performs a hash calculation on the data value and stores it as an 8-bit checksum. This can detect and correct single-bit errors and allow the PC to continue functioning normally. What is this method called?
ECC RAM
A computer monitor keeps flickering. The technician has checked the connectors and replaced the cords, yet the problem continues. The technician connects the display to another computer, and the flickering problem is gone. What is the likely problem?
Faulty video card
A technician working on a 3-D printer needs to change out a part. The part is either 1.75 mm or 3mm and requires that the extruder be heated to the appropriate temperature to pull as much of the old part out as possible and finally push the new part through. What is this part?
Filament
This protocol makes files available for download across a network and uses ports 20 and 21.
File Transfer Protocol
What causes a mobile device battery to swell?
Faulty charging circuit
What symptom only points to a mechanical fault?
Grinding noise
A user is trying to connect a gaming console to a television. What type of connector should the user utilize?
HDMI
What interface is the parallel advanced technology attachment (PATA)?
IDE
A startup company does not have the funds or the time to buy and configure their computer resources, so they pay a service provider to deploy IT resources such as servers, load balancers, and storage components. What service is the startup company paying for?
Infrastructure as a service (IaaS)
A traveling salesperson receives an old hand-me-down laptop to use while a new one is on back-order. The salesperson complains that the laptop's visuals and brightness are horrible. An IT technician states that the fluorescent backlight is failing. What powers the backlight?
Inverter
After running a Self-Monitoring, Analysis, and Reporting Technology (SMART) diagnosis on a computer, with extended read/write times, the input/output per second (IOPS) matches the vendor's baseline. What could be the problem?
Limited hard drive capacity
A technician uses an adapter that supplies power over the bus, so there is no need for a separate power cable. This adapter can have different widths and lengths, so the technician should check that any given adapter will be on the motherboard. What is this called?
M.2
A technician reimaged an infected computer. What will the technician do to avoid this problem from happening again?
Make sure that antivirus is running and updating.
Which of the following allows reducing the number of cables to the minimum required to minimize clutter within the chassis and improve airflow and cooling?
Modular power supply
What would cause a central processing unit (CPU) to make only minor changes to the CPU internals that significantly improve performance and increase speed?
Multicore
What are the main components of authentication, authorization, and accounting that securely and adequately connect devices to a network? (Select all that apply.)
Network access server/point Supplicant AAA server
A display manufacturer produces a new low-cost flat screen for budget conscious shoppers. The display uses a technology that does not require a backlight as each individual pixel is self-illuminating. Which technology does the display use?
Organic LED
What characteristics of Wi-Fi 6 (802.11ax) allow for increased bandwidth and support for modern networks? (Select all that apply.)
Orthogonal frequency division multiple access Uplink and downlink MU-MIMO Designed to work in both the 2.4 GHz and 5 GHz bands
A technician responds to a computer intermittently shutting down and finds that the tower has a personal heater blowing on it. What is a likely problem?
Overheating
What uses a method of down-plugging, where a longer card can fit into a short slot, assuming other features do not obstruct the card in the case?
PCIe
A company building is under construction and a technician is getting ready to install communication wires. What can a technician use to make the installation simpler?
Plenum
A laptop user has a slim laptop that has very few external ports. As there is no Ethernet port on the laptop, it only uses wireless. The user would like a low-cost solution that allows for an Ethernet connection when not traveling. What does IT purchase for the user?
Port replicator
A technician is using a printer that has text-to-raster conversion. Which of the following is this?
PostScript
A network technician installs wireless access points (APs) in an office and would like to use power over Ethernet (PoE) to power the APs. The current network infrastructure is not capable of doing this. What would the network technician need to install to augment the power requirements for PoE APs?
Power injector
A user contacts a cellular service tech support team. The complaint is that no voice services are working. What is the likely issue?
Preferred roaming list
What component in a fused deposition model (FDM) 3-D printer is usually heated to prevent the material from warping?
Print bed
A basic firewall configuration has rules, referred to as network access control lists (ACLs). What are the basic properties needed for a firewall ACL to implement the desired security features configured? (Select all that apply.)
Protocol, Source and destination network/device, Block/Allow property
A company has a structured cable system installed by a technician. The technician uses a permanent cable that terminates to wall ports and patch panels. What is this mechanism called?
Punchdown block
This protocol transfers email messages across a network and uses TCP port 25.
SMTP
A technician uses a storage device containing non-volatile flash memory to replace the hard drive since the speed is much greater. What is this called?
SSD
A technician receives a ticket on a proprietary internal system. What would be the best place to start researching possible solutions?
Search an internal ticketing system.
What is a possible source of data corruption?
Sectors or blocks fail
Remote wipe, locator apps, device encryption, remote backup, and antivirus software fall under which category of requirements?
Security requirements
A network engineer is designing an enterprise network for their firm's new office. This focus on security will require the engineer to consider what fundamental concept when combining wired and wireless devices in an enterprise local area network?
Segmentation
While trying to resolve a computer that will not boot, a technician notices that the monitor's LED indicators are not on. Both devices plug into the same power strip. What could be the problem?
The power strip is off.
After discovering an unlabeled wall port in an office, a technician would like to label it appropriately. Not knowing where the permanent link patches into specifically, they know which IT closet it would run to, as all the other permanent links in the same area run to the same closet. When connecting a laptop, there appears to be a successful connection. Which tool would be most helpful for the technician to use?
Toner probe
An artist looks to achieve greater precision when creating digital drawings. Which input device will help achieve this goal?
Touch pen
A manager uses a dot matrix printer that uses specific types of paper. Which of the following papers does the printer use? (Select all that apply.)
Tractor-fed paper Impact paper
Which universal serial bus (USB) 2 connector is square with a beveled top that a technician can use for printers?
Type B
A technician needs a connector that offers high-speed standards that specify a data rate of 480 Mbps shared between the devices attached to the same host controller. What connector should the technician use?
USB 2.0
A growing company is looking to move away from an outside vendor for payment processing and would like to do it in-house. As a part of securing the data on these computers, what foundational infrastructure solution should the company implement to keep this data separate from the rest of the company's internal network?
Virtual LAN
A technician needs to add a more secure and reliable additional memory space that assigns memory locations to process in 4 kilobytes chunks called pages. What can the technician use?
Virtual RAM
What format uses a system of mirrors that reflects the illuminated image of the object onto a lens that uses a prism to split the image into its component RGB colors?
Flatbed scanner
A holiday decor store typically runs its cloud infrastructure privately, but its servers get bogged down by transactions during the peak holiday season. To mitigate any revenue losses, the store must outsource processing power to an outside cloud service provider to help support the increased sales volume. What cloud deployment model does the holiday decor store utilize?
Hybrid cloud
A technician installs a mechanism to a 5.25-inch drive bat and it connects to the motherboard by serial advanced technology attachment (SATA) data and power connectors. What is this mechanism?
Optical drive
A user receives a loaner Android mobile phone for use while traveling on business. To charge the device, which traditional cable type will the user need?
USB
A user complains that their laptop does not hold a charge for more than 30 minutes, even after charging all night. They also mention that there is an error message when they restart their computer that states something about power. What is likely the problem?
Underpowered adapter
According to the CompTIA Troubleshooting methodology, what is the next step after implementing a fix?
Verify that it worked.
There are strict requirements for signal strength to minimize interference in the unlicensed long-range fixed wireless spectrum. What are the main components of these requirements? (Select all that apply.)
Antenna gain Transmit power Effective isotropic radiated power
A user complains that their monitor keeps flickering. What is the first thing to check?
Connectors
A user's phone is not charging. After testing with several known good charging cables, the technician realizes that holding the connection forcefully will start charging the phone. What is the likely problem?
Damaged port
After a technician has verified resolving a problem, what is the next step?
Document what was done.
A user has a newly issued smartphone that has corporate communication software installed. What can the user expect to sync while using Microsoft Exchange?
A smartphone user tries to connect a new set of earbuds. What is the first step that the user does with the phone?
Enable Bluetooth
Cloud provisioning models have unique characteristics that make them better or worse than on-premises models depending on an organization's needs. Which characteristic refers to the per-use billing for resources consumed by the cloud?
Metered utilization
A user needs to be sure that their phone is connected to a cellular service appropriately. What step can assist with this process?
Perform a PRL update
A user has a known problem with a system that is solvable by deleting the local user profile. However, what is the next step before moving forward with that solution?
Perform a backup
A technician suspects a mobile device to have liquid damage. What should the technician do first?
Power off the device.
A technician did not install the full complement of modules, which would allow the system to revert to as many channels as are populated. What types of channels would allow this to happen? (Select all that apply.)
Quad-channel, Triple-channel
A user wants to mitigate the risk of data loss by using a disk that underpins the mass storage system and provides fault tolerance. What can the user use?
RAID
While planning a new virtual environment, a systems engineer noted that one virtual machine (VM) would run a Windows OS and store two snapshots at all times. The VM will need to have at least 80 GB in its hard disk drive for the VM to function properly. What is the systems engineer considering when planning this aspect of the new virtual environment?
Resource requirements
A systems engineer is doing an internal audit of their virtual environment before an annual inspection and is making sure that all the virtual machines are up to date on patches. What could the systems engineer consult to verify which patches need to be on each machine?
Security requirements
An IT administrator noticed that the company needs a more secure way to create and store data. What should the IT administrator implement?
TPM
What is the typical use for virtual desktop platforms based on guest OS hypervisor?
Testing and development
What universal serial bus (USB) does a technician use that allows a device to send and receive simultaneously?
USB 3.0
Microsoft Word crashes every time it opens, but otherwise, the computer runs fine. What is a reasonable proposed solution?
Uninstall and reinstall the program.
A user's phone charge only lasts two hours. The phone is new and has not suffered any damage. What should the user check next?
Battery utilization
A technician decides to update a server's redundant array of independent disks (RAID) array with solid-state hard drives. The plan is to clone the current array and restore it to the newly built array. Which step does the technician use in a migration approach?
Disk imaging
An online retailer uses the cloud to host its infrastructure because the cloud provider guarantees 99.999% service uptime. What benefit of using the cloud has the online retailer been guaranteed?
High availability
A user replaces an older laptop that has a thin film transistor (TFT) display that uses crystals that rotate. Which TFT technology does the display use?
In-plane switching (IPS)
What is a sign that the RTC battery is failing?
Inaccurate date/time
A technician receives an urgent call that computers are shutting down and goes to the affected office. The lights in the office are off. What question could quickly ascertain the problem?
Is the power off?
A company asked a network engineer to provide a solution that will allow a hosted application to be highly available if one or more servers are offline. They have plenty of resources to provide a cluster of servers that can run the application. Still, the company is looking for direction on making the application seamlessly available to customers. What solution would the engineer implement for this request?
Load balancer
An IT technician installs a solid-state drive (SSD) into a motherboard connector that enables high-performance storage and is oriented horizontally. What has the IT technician installed?
M.2
A large store chain is eager to reduce the cost of maintaining their servers but is unsure what the best method would be for their use case. The major requirements for the chosen solution are that the store chain needs to own its cloud infrastructure (without sharing with another organization) to maintain maximum privacy and security of the data. Which cloud computing option best meets the store chain's major requirements?
Private cloud
A startup company does not have the capital to invest in infrastructure to host their website, nor do they have the capital to hire engineers to manage their cloud environment. At this point, strict access control is not a concern for the startup, but they do not want to share resources with other organizations. Which cloud implementation will best suit the startup's needs?
Public cloud
A company receives a new printer that needs assembly. What factors should the company consider when assembling it? (Select all that apply.)
Set up location, Correctly unboxing
Cloud service providers (CSPs) help organizations save time and money by hosting virtual resources on their hardware. What do CSPs use to ensure efficiency while providing services to customers?
Shared resources
A company plans on upgrading a fleet of mobile phones. Upon inspection, the phones that will be retired do not utilize a SIM card. What does the company learn about the phones that have been in use?
The phones are 3G.
A remote connection for users to access a company's private network requires access from an external IP. How might a laptop user test this connection if they are currently connected to the company's internal network?
Use a hotspot.
