CompTIA A+ Core 1

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 laptop technician in a large corporation needs to upgrade the hard drives on employee laptops. Currently, the laptops have standard 5400 rpm 500 Gb magnetic drives. The technician needs to know what physical drive size to order. What is the normal size for a laptop magnetic drive?

2.5 in.

A technician builds a spare computer with an older motherboard and purchases a new modular power supply. What type of motherboard connector will the power supply most likely provide?

20+4-pin

How many binary digits are found within a media access control (MAC) address?

48

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

An engineer plans a new wireless infrastructure rollout. The requirement is for access points that use 48V of power and 13 watts. Which specific standard does the engineer implement?

802.3at

How can a technician diagnose capacitor swelling?

Physical inspection

This protocol transfers email messages across a network and uses TCP port 25.

SMTP

Components not integrated into the motherboard

SSD, GIU

What can a cloud developer use to analyze viruses, worms, and Trojans without infecting their computer and network?

Sandbox

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 printer technician receives a complaint from multiple users sharing a laser printer that the pages they are printing are faded or faint. Upon troubleshooting, the technician ruled out user and server settings. What hardware component of the laser printer needs replacing to fix this error?

Toner cartridge

A shared printer handles a lot of print jobs for a medium-sized company. As of late, all users are complaining about the print jobs having a speckled output. What does a printer maintenance technician find to be the problem?

Toner is loose in the printer.

A manager needs to electronically sign many documents while using a laptop. Precision is not required and there is very little money in the budget to spend. What does the manager choose to use as a solution?

Touchpad

A new computer experiences a malfunction with a touch input device. A support engineer disassembles the computer to diagnose the problem. While troubleshooting, which component would the technician find as a 9-pin header on the motherboard?

USB port

What is the modern Android-based smartphone and tablet connector for wired peripherals and charging?

USB-C

A computer has multiple hard drives installed, but the second hard drive does not show up in Windows Explorer. What is a possible problem?

Cable or connector fault

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

What specific issue may the help desk technician suspect is causing the problem of the mouse cursor moving on its own, as reported by the user, and that is related to adjusting the device settings to fit a specific user, device, or environment?

Calibration

A technician needs to troubleshoot problems. When problem-solving, what are the three items that define a problem? (Select all that apply.)

Cause Symptom Consequence

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.

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 troubleshoots a motherboard issue. What the tech discovers is chip creep with a serial ATA (SATA) connector. What is the cause? (Select all that apply.)

Changing temperature Dust and dirt

A user's computer powers on, but it does not pass the power on self-test (POST) and there is no display on the monitor. The IT specialist starts with the POST issue. Which of the following troubleshooting tests are appropriate in this situation? (Select all that apply.)

Check for faulty devices by removing one device at a time to see if this fixes the problem. Check for faulty devices by removing all non-essential devices, then adding them back one at a time. Check for a faulty CPU.

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 tier one helpdesk technician receives a corporate cellphone with a broken screen. What is the first step?

Check if the phone is under warranty.

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

A user contacts a printer technician to report that every print job sent to a laser printer has lines of toner in the same location on every page that is printed. What does the technician suggest may need cleaning or replacing?

Drum

Several users of a shared printer complain that the printer is printing on both sides of a sheet of paper when it should only print on one side. What setting does a technician change?

Duplex

An engineer troubleshooting a network connection identifies a port flapping problem. What should the engineer investigate as a possible cause? (Select all that apply.)

Ethernet cable NIC port Switch port

A technician that is new to 3D printers needs to call service for a malfunctioning printer. The technician explains that the problem is with what looks to be a print-head. Which component does the tech report as a problem?

Extruder

A department within an organization would like to share a specific set of files with external users from a Windows 10 system. The users will also need to save files as well. Which solution does the systems administrator configure without needing to directly require Windows permissions?

FTPS

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

What interface is the parallel advanced technology attachment (PATA)?

IDE

Which of the following would a technician use in small, low-power motherboards?

ITX

A printer technician works in a corporate office. Their office has multiple types of printers that require regular maintenance. Which type of printer maintenance includes replacing and properly disposing of a toner print cartridge?

Laser printer maintenance

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.)

Near-field Biometrics

A projector shut down two hours into a presentation. What could be the problem?

Overheating

RJ45 NIC

PCI

Sound Card

PCI

Wireless NIC

PCIex1

Video Card

PCIex16

A college would like to implement a secured print solution so that print jobs do not arrive at a printer until the printer is physically interacted with. This will help prevent students from potentially picking up faculty print jobs. Which two physical security solutions does the IT department consider to accomplish this? (Select all that apply.)

PIN code Badging

A technician troubleshoots wired connectivity issues with a device. A technician troubleshoots wired connectivity issues with a device. What should the technician check first to resolve a no connectivity issue?

Patch cable

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 looks to wire an office for a medium-sized local area network (LAN). When considering the available standards and speeds, the technician decides to implement Gigabit Ethernet. What specific standard does the technician use?

1000BASE-T

137-139 NETBIOS

137-139 NETBIOS

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 technician builds a computer using the most common form factor measuring 12 x 9.6 inches and has up to seven expansion slots. What form factor is the technician using?

ATX

A user has intermittent problems with a program, and the technician has determined two courses of action. The first solution would take several hours of work and may resolve the problem. The second solution is to reimage the computer. What is the best solution?

After backing up the data, reimage the computer.

A user states that a smartphone does not hold a charge for as long as it did in the past and seems to charge slowly. The change was noticed over the last few months. What could be the cause? (Select all that apply.)

Aging battery AC Adapter

A company implements a new wireless Infrastructure. During the installation, an engineer adjusts the signal of all antennas for optimal performance. Which setting does the engineer use to measure dBi?

Antenna gain

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.)

Application layer Infrastructure layer Control layer

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.

A universal asynchronous receiver transmitter (UART) port was traditionally a physical serial port in a legacy system. In a modern mobile device, how can a UART be utilized? (Select all that apply.)

Bluetooth USB

A user complains about a faulty network connection on a laptop. A tech traces the Ethernet cable in the office to a direct connection in a 16-port smart switch. While investigating the switch's activity, it becomes apparent that port flapping is occurring. What does the tech troubleshoot as a possible cause? (Select all that apply.)

Bad cabling Faulty port Interference

A hard disk drive in a system experiences extended read and write times. What is likely the cause? (Select all that apply.)

Bad sectors Bad blocks

A technician needs to upgrade components in a laptop. Which component can the technician install without the use of tools?

Battery

The projector in the conference room is experiencing intermittent shutdowns. The technician begins troubleshooting by checking all the connector cables. What are the next troubleshooting steps for the technician? (Select all that apply.)

Check that the vents are free from dust. Check that the fan is working.

A user's monitor displays a distortedly large image. To fix the resolution problem, the IT specialist performs which software troubleshooting steps? (Select all that apply.)

Check the configuration of the video card. Update the video card driver.

Which type of virtualization refers to any solution designed to run on ordinary desktops or workstations?

Client-side virtualization

What service provides on-demand resources like server instances, file storage, databases, or applications over a network?

Cloud computing

If a computer produces digital art, what special process will it require?

Color calibration

A small call center office asks their IT service provider to implement a voice-over-IP (VoIP) system for them. After discussing the office's needs, the technician learns that their ability to make and receive phone calls is critical. Considering this information, which of the following should the technician recommend?

Configure QoS on the router.

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.

Systems administrators deploy a virtualization solution that separates host resources for each instance at the operating system level. Which solution is running?

Container

An engineer investigates a new unified threat management appliance to replace an aging firewall. Which website browsing feature can the engineer expect the appliance to have?

Content filtering

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

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

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

What should a software development company utilize to test software applications that must operate under several different OS and resource constraints?

Cross-platform virtualization

When upgrading the RAM on multiple standardized laptops, what is the most important factor to consider to ensure compatibility with the existing hardware?

DDR version

A network engineer gets a report that a growing number of wireless devices cannot obtain an IP address from the Wi-Fi network. They can see the network name (SSID) and authentication is successful, but devices say that they cannot obtain an address. What is most likely the problem?

DHCP has no more addresses available.

A vast majority of rural residents in the United States still use this internet connection type that utilizes the public switched telephone network (PSTN).

DSL

A user tries to connect a second monitor to a computer. The computer has an available digital visual interface (DVI) connector that outputs a digital signal and the monitor has a video graphics array (VGA) connector. A technician recommends a VGA to which type of cable?

DVI-I

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

A technician follows a best practice methodology when troubleshooting a problematic computer system. Which of the following represents a consequence of having a problematic computer?

Data required for a meeting is missing.

What characteristics of Wi-Fi 5 (802.11ac) allow for increased bandwidth and support for modern networks? (Select all that apply.)

Designed to work only in the 5 GHz band Typically supports up to four simultaneous clients Downlink MU-MIMO

Which internal component does a mobile device use to acquire single or multi-touch input?

Digitizer

A user traveling on business reports that a company owned device suffered damage to the screen during a trip. A technician notices cracks on the screen and determines that touch input is no longer recognized. Visual elements on the screen look fine. What components need replacing? (Select all that apply.)

Digitizer Protective glass

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

What problem does a screensaver help prevent?

Display burn-in

An organization looks to harden email services. The systems administrator uses every possible option to help prevent SPAM and other anomalies. During the final stages of configuration, the systems administrator creates a policy within the Domain Name System (DNS) to handle authentication failures. Which record is being configured?

Domain-based Message Authentication, Reporting, and Conformance (DMARC)

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.)

DomainKeys Identified Mail Sender Policy Framework Domain-based Message Authentication, Reporting, and Conformance

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.

What is a class of management software designed to apply security policies to the use of mobile devices and apps in the enterprise?

Enterprise Mobility Management (EMM)

After identifying the problem with a user's computer and collecting detailed information from the user about the problem, a technician believes they know the cause. However, when testing this theory, the technician discovers they were wrong and may not be capable of resolving the issue. What are some appropriate troubleshooting steps for the technician to try next? (Select all that apply.)

Escalate. Develop a new theory.

A security team at a company discovers that malware is rapidly moving from one virtual machine to another in a live environment. What security issue is occurring?

Escape

A support technician helps a user identify a problem with a newly installed application. The user states the application was working the day before. What does the technician do next?

Establish a theory of 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

A computer has intermittent problems and is making grinding and clicking noises. What is the likely problem?

Faulty disk

While troubleshooting a user's computer that has no power, the technician eliminated these possible causes: power supply, cabling, wall socket, and connection issue. Therefore, which of the following could be the problem?

Faulty motherboard

A technician installs memory into a computer that supports a multi-channel configuration. A 4GB module is placed in bank A1 and a 16GB module is placed in bank B1. A diagnostic tool reports that 12GB is useable, but not as multi-channel. What mode does the system use in making all of the memory available?

Flex

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

This part of an IP address configuration allows a host to communicate with a remote network, most notably the internet. Otherwise, the host will only communicate with the local network without this.

Gateway address

Users at an organization prefer that any mobile devices deployed for company use have location services disabled. IT administrators agree and configure which option?

Global Positioning System

What kind of storage media can have grinding and clicking as a diagnostic tool?

HDD

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 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 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.)

Impact paper Tractor-fed paper

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)

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)

Which of the following solutions can address occasional overheating in a system positioned safely away from other objects by promoting airflow to cool down the internal components? (Select all that apply.)

Install a new system fan Use blanking plates

A network administrator adds several network printers to a business network. Users can install the printers easily by browsing resources that are available for use. Which protocol enables this capability within a Windows server-based network?

LDAP

A systems administrator is wanting to use a process in which the TCP/IP protocol is used to query and update an X.500 directory. What can be used to accomplish this task?

LDAP

A remote facility cannot utilize a wired internet connection for a short period. When relying on a wireless solution, the company uses a technology that must be provisioned with a motor so it can periodically realign with the array. Which internet access technology is in use?

Low Earth orbital satellite internet access

A technician plans an upgrade for several company laptops with new internal storage devices. The requirement is that the new devices interface with a PCI Express bus. What type of device does the technician use?

M.2

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

An employee at an organization requests a laptop upgrade. The request is for a laptop that is extremely lightweight. There is also a requirement for the fastest speeds possible in order to demo the company's software to potential clients. With these requirements in mind, which drive type should the laptop have?

M.2

A company realizes that it needs to implement a management solution for mobile phones. Which solution is specific to the restriction of apps installed from a device's app store?

MAM

A college campus is spread throughout an entire city. There is a plan to upgrade the connectivity to all buildings for increased speed. What type do engineers upgrade?

MAN

A company places restrictions on the specific components and ports of mobile devices. This includes USB ports and cameras. Which specific enterprise management solution does the company deploy for this purpose?

MDM

Non-volatile storage devices hold data when the system is powered off. These devices are also referred to as mass storage. What are the three types of technologies that mass storage devices use? (Select all that apply.)

Magnetic Optical Solid-state

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

What component can be used in a camera to hold digital image storage?

Memory card

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

A user complains that a computer is too slow when opening numerous applications. A technician suggests purchasing a new computer that features CMP capabilities to handle the user's workload. Which statement describes the technician's suggestion?

Multiple processing cores combined in the same package

A small shop uses a new point of sale system that allows for touchless payments. The business owner, who is not so tech-savvy, is amazed at the process. As the owner sets up the system, what technology does the system installer mention the payments use?

NFC

An organization experiences an internet outage. As fiber is being used, an engineer checks to see if the optical signal is being properly converted to an electrical signal. The router is connected using an RJ45 copper wire patch cord. What does the engineer check?

ONT

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)

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 port replicator either attaches to a special connector on the back or underside of a laptop or is connected via USB. It provides a full complement of ports for devices such as keyboards, monitors, mice, and network connections.

Port replicator

A technician is using a printer that has text-to-raster conversion. Which of the following is this?

PostScript

A company considers moving its infrastructure to the cloud. Management emphasizes the need to handle changes in resource usage in real-time. Which feature fulfills this need?

Rapid elasticity

What component in a fused deposition model (FDM) 3-D printer is usually heated to prevent the material from warping?

Print bed

A technician is managing configuration settings in Windows for a LaserJet printer from the printer's properties dialog box. Among the following options, which one is NOT commonly found in the properties dialog box?

Print in color or black and white

What hardware on a client's computer allows a device and printer to connect over a network?

Print server

A systems administrator looks to control HTTP requests from client computers based on the time of day. What type of service does the administrator deploy when configuring clients in a non-transparent manner?

Proxy server

A large technical firm deploys a cloud service. The service offers cloud storage along with web development capabilities. What deployment model does the firm utilize when a multi-tiered subscription option is available to the general consumers?

Public

Which cloud characteristic handles changes in demand requirements in real time?

Rapid elasticity

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 data scientist needs to run complex algorithms and machine learning programs that require a significant amount of computing power. The scientist tells the company's IT pro that their current computer is too slow and their data is backed up daily. What RAID configuration would be best for the data scientist where they don't need redundancy?

RAID 0

A computer has three disk drives. Which of the following RAID configurations will commonly be utilized with such a setup? (Select all that apply.)

RAID 0 RAID 5

An engineer configures 6 disks in a workstation to be part of a redundant array of independent disks (RAID) volume where one-sixth of the space on each disk will be used for parity. Which RAID type does the engineer implement?

RAID 5 requires a minimum of three drives but can be configured with more. When configuring RAID 5, an equal portion of each disk is used for parity.

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

This protocol makes a secure connection to the graphical interface of another computer and uses TCP port 3389.

Remote Desktop Protocol

What are generic approaches to solving an IT problem?

Repair, replace, workaround

The office laser printer starts printing pages that smudge easily. The IT specialist is proficient in the common printing defects of laser printers and knows what is causing the problem. What will the IT specialist do to fix the problem?

Replace the fuser.

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 technician needs to repair a laptop. Symptoms are that some keyboard characters are not typing properly and the fingerprint reader is not recognized. What type of component is the technician inspecting?

Ribbon cables

Which application protocol underpins file and printer sharing on Windows networks and usually runs directly over the TCP/445 port?

Server Message Block

An engineer plans a fiber cable implementation between two campus buildings about 50 meters apart. Due to the distance between the locations, the engineer selects single-mode fiber. What specifications does the engineer need to consider with this decision?

Small core, long distances, long wavelength

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 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.)

Source and destination network/device Block/Allow property Protocol

HyperText Transfer Protocol (HTTP)

TCP port 80

File Transfer Protocol (FTP)

TCP ports 20 and 21

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 critical system is set to use secure boot. What properties are characteristic of the secure boot process? (Select all that apply.)

The firmware is configured with cryptographic keys. The operating system boot loader is digitally signed.

An engineer configures a workstation for development testing by using virtualization. The engineer chooses to use a type 1 hypervisor. Which statements describe the environment? (Select all that apply.)

The hypervisor is bare-metal. The hypervisor is installed on and manages hardware directly.

A printer technician troubleshoots a laser printer and determines that the exposing stage of the print job is the issue with print jobs printing incorrectly. What does the technician suspect is happening?

The imaging drum is not properly losing its charge.

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 CDMA.

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.

What type of printer uses a heating element to create the image on the paper?

Thermal

A hardware technician replaces the central processing unit (CPU) on an Advanced Micro Devices (AMD) motherboard. What must be applied when connecting the heat sink to the CPU?

Thermal grease

A user complains about the quality of the display on a laptop. The user mentions that the laptop has been in use since the company started many years ago. IT determines that the display uses a very early thin film transistor (TFT) technology and will replace the laptop. Which TFT technology does the display use?

Twisted nematic

Which universal serial bus (USB) 2 connector is square with a beveled top that a technician can use for printers?

Type B

A company plans on live streaming a company-wide meeting once a month. Engineers prepare network equipment to allow the traffic. Which protocol is normally used for such a task?

UDP

An organization conducts a weekly video conference from its home office to its field locations. Recently, employees at the field locations have been complaining of poor audio and video quality. Which protocol does an engineer monitor for performance issues?

UDP

Network Basic Input/Output System (NetBIOS)

UDP port 137 for name services and TCP port 139 for session services

Which of the following allows printers to connect using a Plug and Play that installs the driver automatically?

USB

A gamer wants to connect a headset to a new gaming laptop. What connection options does the gamer have? (Select all that apply.)

USB 3.5 mm jack Bluetooth

A technician plugs a USB device into a computer and notices that the speeds are slightly less than expected. The USB port and device are USB 3.x devices, and the achieved speed is roughly 9 Gbps. What USB standard is in use?

USB 3.2 Gen 2x1

Which current USB standard supports 2 x 10 Gbps speeds and uses a USB-C connector type?

USB 3.2 Gen 2x2

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.

When troubleshooting internet connectivity issues on a wired network, the first step is to make sure the patch cables are working and physically connected to the network ports. If that is not the problem, what is the next troubleshooting step?

Use a loopback tool to test for bad ports.

While diagnosing a computer that is not powering on, the technician has established that the wall socket is working correctly since there is a fully plugged power cord. What would be a reasonable next step?

Use another power cable.

A developer asks the IT department if virtualization would be possible to test software in a sandboxed environment. The developer's workstation runs Windows 10, the central processing unit (CPU) has virtualization technology enabled, and has plenty of resources for virtual machines. Which Type 2 hypervisor does the IT staff install?

VMWare Workstation

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

If there is not enough system Random Access Memory (RAM), the memory space can be extended by using disk storage as a page file or swap space. What is this combination of addressable memory called?

Virtual RAM

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 computer technician replaces the power supply in a desktop system. To do this, the technician needs to know the output of the current power supply unit (PSU). What is the PSU output capability measured as?

Wattage rating

Engineers need to share data between the team's laptop devices that are located in the same office space. The speed needs to be at least 50 Mbps. Which technology do the engineers use?

Wi-Fi

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

A support firm installs and configures network access control systems for organizations. This includes implementing the security mechanisms for local and remote computers to authenticate with an internal server system. A switch is put in place on the edge of the network to protect the server and protect against unauthorized traffic. What role does the switch play in the implementation?

network access server (NAS)

A PC tech plugs a x4 PCIe adapter card into a x8 socket. What speed would the card be capable of running? (Select all that apply.)

x1 x4