CompTIA A+ Core 1 Practice Test part 2

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? M.2 ARM AMD Intel

ARM

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. Attempt to resolve the problem with the first solution. Request the user no longer uses the program. Replace the computer.

After backing up the data, reimage the computer.

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? Shared resources Platform as a service (PaaS) Community cloud Infrastructure as a service (IaaS)

Platform as a service (PaaS)

A new IT support technician troubleshoots a user's report of intermittent network connectivity. After inspecting the workstation, they see a label above the station's RJ-45 port wall connection. This label is likely to identify what device? Hub Firewall Switch Patch panel

Patch panel

A user needs to be sure that their phone is connected to a cellular service appropriately. What step can assist with this process? Use location services. Use multifactor authentication. Recognize data caps. Perform a PRL update.

Perform a PRL update.

How can a technician diagnose capacitor swelling? System diagnostics Slow computer Physical inspection Computer that is hot to the touch

Physical inspection

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. Adjust contrast. Change to a DVI cable. Adjust resolution.

Unmute the TV.

What does a txt record look like

helloworld.com (?)

DVI new or old

old

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? (MX) record (AAAA) record (A) record (TXT) record

(A) record

what does an ip 4 address look like

10.130.25.15 small and just numbers

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.) 100BASE-T 1000BASE-LX 1000BASE-T 10GBASE-T

100BASE-T 1000BASE-T 10GBASE-T

How many pins is VGA

15

What can a technician use on a 20-pin main power connector for the motherboard? (Select all that apply.) 4-pin x5 8-pin x2 and 4-pin x1 20-pin 24-pin

20-pin 24-pin

what does an ip 6 look like

50b:2:6400:0000:0000:6c3a:b17d:0000:10.... It has letters and is typically way longer than ipv4 in hexidecimal, the spammed lone zeros in groups of at least 4 are gone bye bye 50b:2:6400:6c3a:b17d:10....

Which Institute of Electrical and Electronics Engineers (IEEE) wireless standards operate in the 2.4 GHz wireless frequency band? (Select all that apply.) 802.11a 802.11b 802.11n 802.11g

802.11b 802.11n 802.11g

A user's laptop screen is very dim. However, the image becomes bright when the technician attaches an external monitor. What is the problem? Video configuration Backlight Battery Malware

Backlight

How can a technician eliminate overheating as the cause of a sluggish computer? By checking for misconfigurations By checking the temperature sensor By running a speed test By touching the computer

By checking the temperature sensor

Post generates an error via beeping sounds. What should you do? Ensure module is seated correctly. Check codes in documentation Shows activity, no problem detected. Scan for a virus and/ or fix MBR Check fans and drives for obstruction/ failure. Check fan operation and clean if needed. Check for software or driver problems. Check power supply. Test power supply with a multimeter.

Check codes in documentation

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 Punchdown tool Cable stripper Snips

Cable tester

The system shuts down from overheating. What should you do? Ensure module is seated correctly. Check codes in documentation Shows activity, no problem detected. Scan for a virus and/ or fix MBR Check fans and drives for obstruction/ failure. Check fan operation and clean if needed. Check for software or driver problems. Check power supply. Test power supply with a multimeter.

Check fan operation and clean if needed.

Loud unusual noises are coming from the tower. What should you do? Ensure module is seated correctly. Check codes in documentation Shows activity, no problem detected. Scan for a virus and/ or fix MBR Check fans and drives for obstruction/ failure. Check fan operation and clean if needed. Check for software or driver problems. Check power supply. Test power supply with a multimeter.

Check fans and drives for obstruction/ failure.

Peripheral device connected but not recognized. What should you do? Ensure module is seated correctly. Check codes in documentation Shows activity, no problem detected. Scan for a virus and/ or fix MBR Check fans and drives for obstruction/ failure. Check fan operation and clean if needed. Check for software or driver problems. Check power supply. Test power supply with a multimeter.

Check for software or driver problems.

Computer is connected, but no indicators light up, and the system will not power on. What should you do? Ensure module is seated correctly. Check codes in documentation Shows activity, no problem detected. Scan for a virus and/ or fix MBR Check fans and drives for obstruction/ failure. Check fan operation and clean if needed. Check for software or driver problems. Check power supply. Test power supply with a multimeter.

Check power supply.

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? Use a toner vacuum. Check toner installation location. Check for mechanical problems. Clean the drum.

Clean the drum.

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 Vendor solutions Social media The user

Corporate policies

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

DSL

After a technician has verified resolving a problem, what is the next step? Identify a solution. Ask about recent environmental changes. Document what was done. Close the ticket.

Document what was done.

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? Creased paper Clean the rollers Drivers Toner fuser

Drivers

The newly installed extra memory module is not recognized. What should you do? Ensure module is seated correctly. Check codes in documentation Shows activity, no problem detected. Scan for a virus and/ or fix MBR Check fans and drives for obstruction/ failure. Check fan operation and clean if needed. Check for software or driver problems. Check power supply. Test power supply with a multimeter.

Ensure module is seated correctly.

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? Thermal method Imaging drum Transfer roller Epson design

Epson design

What might be diagnosed by no LED status indicators on a drive? Corrupted boot sector Faulty disk Bad sectors Keyboard issue

Faulty disk

What features of the cloud allow multiple users to simultaneously access content and work collaboratively while tracking edits by each user? Shared resources Community cloud High availability File synchronization

File synchronization

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 Pickup roller Transfer roller Developer roller

Fuser unit

What interface is the parallel advanced technology attachment (PATA)? IDE Serial SCSI DVI

IDE

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 can work over both 2.4 GHz and 5 GHz bands. It can work only over the 5 GHz band. The nominal data rate is 72 Mbps per stream or 150 Mbps per stream for a 40 MHz bonded channel. It features the introduction of MIMO.

It can work over both 2.4 GHz and 5 GHz bands. The nominal data rate is 72 Mbps per stream or 150 Mbps per stream for a 40 MHz bonded channel. It features the introduction of MIMO.

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? Replace the drive. Change the PSU. Make data backups. Change the power cord.

Make data backups.

A company looks into security controls for an entryway into a building. The chosen solution will use a chip for data transmission and another chip for receiving data over the air. Which solution uses this technique? Biometrics Keypad Retina Near-field

Near-field

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? Liquid crystal display Organic LED Light-emitting diodes Thin film transistor

Organic LED

What characteristics of Wi-Fi 6 (802.11ax) allow for increased bandwidth and support for modern networks? (Select all that apply.) Typically supports up to four simultaneous clients Orthogonal frequency division multiple access Uplink and downlink MU-MIMO Designed to work in both the 2.4 GHz and 5 GHz bands

Orthogonal frequency division multiple access Uplink and downlink MU-MIMO Designed to work in both the 2.4 GHz and 5 GHz bands

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 Firewall Patch panel Managed switch

Power injector

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

Print bed

What is the order from least volatile to most volatile? Removable Storage, SDD, HDD, RAM, CPU Cache Removable Storage, CPU Cache, HDD, SDD, RAM HDD, SDD, Removable Storage, RAM, CPU Cache Removable Storage, HDD, SDD, RAM, CPU Cache

Removable Storage, HDD, SDD, RAM, CPU Cache

What are generic approaches to solving an IT problem? Escalate to a supervisor. Avoid, repair, remove Reimage and start over. Repair, replace, workaround

Repair, replace, workaround

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?' SCSI LAN SAN PAN

SAN

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? Load balancers SCADA IoT Proxy servers

SCADA

Received error during boot sector load. What should you do? Ensure module is seated correctly. Check codes in documentation Shows activity, no problem detected. Scan for a virus and/ or fix MBR Check fans and drives for obstruction/ failure. Check fan operation and clean if needed. Check for software or driver problems. Check power supply. Test power supply with a multimeter.

Scan for a virus and/ or fix MBR

A technician receives a ticket on a proprietary internal system. What would be the best place to start researching possible solutions? Search the internet. Search an internal ticketing system. Search through textbooks. Ask a supervisor.

Search an internal ticketing system.

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? Legacy software/OS Security requirements Resource requirements Test development

Security requirements

What does a mx record look like?

Server: 192.168.1.1

A Green LED Indicator light is flickering. What should you do? Ensure module is seated correctly. Check codes in documentation Shows activity, no problem detected. Scan for a virus and/ or fix MBR Check fans and drives for obstruction/ failure. Check fan operation and clean if needed. Check for software or driver problems. Check power supply. Test power supply with a multimeter.

Shows activity, no problem detected.

What types of components provide input and output functions for a personal computer? (Select all that apply.) HDMI System case Peripheral device USB

System case Peripheral device

A technician replaced a failed drive in a RAID array and noticed a severely degraded performance. What is the problem? There is a faulty disk. There is a cable problem. Takes resources to rebuild the array. The controller is failing.

Takes resources to rebuild the array.

The power supply is in place but shuts down and is not functioning properly. What should you do? Ensure module is seated correctly. Check codes in documentation Shows activity, no problem detected. Scan for a virus and/ or fix MBR Check fans and drives for obstruction/ failure. Check fan operation and clean if needed. Check for software or driver problems. Check power supply. Test power supply with a multimeter.

Test power supply with a multimeter.

What is the typical use for virtual desktop platforms based on guest OS hypervisor? Legacy software/OS Cross-platform virtualization Testing and development Resource requirements

Testing and development

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? Trackpad Touch pen Touchpad Drawing pad

Touchpad

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.) Transmit power Effective isotropic radiated power IEEE 802.11 Antenna gain

Transmit power Effective isotropic radiated power Antenna gain

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? HDMI Lightning port USB 3.0 USB 2.0

USB 2.0

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? Private cloud Public cloud Virtual desktop infrastructure (VDI) on-premises VDI in the cloud

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? eSATA VGA DVI Molex

VGA

A user reports that their reporting resource is not working. They mentioned an error message that they did not write down but are certain that a "HTTP request failed" was a part of the error. What specialized support team will the user contact to resolve this issue? File server team Print server team Web server team Mail server team

Web server team

A printer allows connection to a computer through the infrastructure mode. What type of connection is this? Wireless Duplex Unit USB Ethernet

Wireless

Molex is what color? And how many pins?

white or clear, 4 pins