Comptia A+ 1-200

Flashcards generated from lecture notes for exam preparation.

Which of the following would an administrator use to migrate virtual machines from on premises to

the cloud?

laaS

A projector has video but no audio. What action will MOST likely resolve the issue?

Utilizing an HDMI connection between the PC and the projector

Which of the following standards supports MIMO technology?

802.11n

A user wants to upgrade a company-issued laptop to increase its performance while working with a large database. What tasks should a systems administrator complete?

Increase the RAM and migrate to an SSD

Which of the following technologies can allow multiple networks to traverse a switch?

VLAN (Virtual Local Area Network)

A company just bought a printer, but it can only print on both sides of the paper manually. What should the the technician do to fix the issue?

Read the installation manual and configure duplex settings

An online retailer would like to add capacity to support increased sales. Additional servers have been installed. Which of the following should be used to ensure each new server is being properly

utilized?

A load balancer

Which of the following utilizes TCP ports 20/21 and transfers data in cleartext?

FTP (File Transfer Protocol)

A customer is using a satellite internet connection that is experiencing slowness. A technician notices high latency while pinging, but the download test is performing perfectly with very good download speeds. Which of the following represents the NEXT action the technician should perform?

Restart the modem and run an online internet connection and speed diagnostic tool.

An organization maintains health and criminal justice records. Which cloud environments is the organization MOST likely to use to limit the attack surface?

Private

Which of the following components enables the input on a mobile device's touch screen?

Digitizer

What should the data center hardware technician implement to ensure maximum uptime for customers' virtual machines?

Uninterruptible power supply

A field technician discovers that the POTS lines are not working as well as there is an internet outage. Which technologies is the site MOST likely using?

DSL

A technician notices the network cable needs to be replaced. Which of the following cable categories is limiting the transfer speed to 100Mbps?

Cat 5

A user is unable to watch online videos, even at 240 pixels. The technician runs connectivity tests and they are successful. What is the MOST likely cause?

Faulty NIC

A technician needs to recommend an internet connection for a customer who travels around the world and wants to have connectivity while visiting remote camping locations. Which connection type should be recommended?

Satellite

While implementing a non-carrier-grade wireless backhaul, a technician notices the current channel selection is extremely polluted with various RF signals. Upon performing a spectral analysis, the technician discovers a channel containing almost no RF pollution. Unfortunately, the technician is unable to select that channel. Which of the following is the MOST likely reason for this issue?

The channel is reserved for licensed band use.

A user connects a smartphone to a laptop. Which of the following types of networks has the user created?

PAN

A user reports that printed receipts have black smudges over the entire image. What's the MOST likely cause and solution for the printer issue?

The ribbon is jammed and is rubbing on the paper. Clear the bad ribbon and feed it through properly.

A technician is configuring a workstation to be used as a VM host but is unable to create any VMs. What should the technician do?

Enable TPM

Several users report thin, vertical lines that cover the entire height of every page printed from the printer. What step should a technician complete to resolve this issue?

Perform the drum-cleaning procedure.

A technician will be installing the hard drive directly on the motherboard without using cables to connect it. Which of the following will the technician be installing?

M.2

What BEST describes the solution for running Windows software on a computer running macOS?

Cross-platform virtualization

A technician replaced a motherboard on a server, and now the 64-bit hypervisor is not loading correctly. Which of the following needs to be enabled for the hypervisor to run?

VT-d

A Microsoft Windows user needs to comply with corporate policy for data protection when copying files to portable media. Which solution would MOST likely satisfy this requirement?

A USB 3.1 flash drive with BitLocker to Go installed

A technician sees flashing green/orange LEDs on a workstation's NIC. What should the technician do FIRST?

Check for loose connections, pinched bends, and physical damage.

A user acquired a new workstation and is attempting to open multiple targe Excel files simultaneously. The user is not experiencing the expected performance when executing such large requests. Which ofthe following should a technician do FIRST

Upgrade the RAM in the workstation.

An engineer is experiencing unexpected reboots on a graphics workstation when rendering complex 3-D models. Where should the technician begin troubleshooting?

The power supply, as 200W is insufficient when the GPU is heavily tasked

A technician verifies the printer is on and notices the printer LCD screen has 'Paper Jam, Jam in fuser'. What is the MOST efficient next step the technician should complete?

Check the printer paper path to locate any obstructions.

A technician needs to fix a Cat 5 cable issue; the cable, connected to a network jack, fails when moved. Which two items must the technician use to fix the issue?

RJ45 connector and crimper

A remote user called the help desk to report a notification indicating there is limited or no connectivity but can access local files/machines. What is the MOST likely cause of the issue?

The user's internet connection is down.

The technician confirms that the connection seems to be down and looks for the user's port on the patch panel, but the port and patch panel are not labeled. Which network tools should be used?

Toner probe

Which network device is used to separate broadcast domains?

Router

A customer reports slow network fileshare access, but local apps don't have trouble. The technician finds no bandwidth issues. What should the technician check NEXT?

Level of network utilization

Which of the following is a valid use for PaaS?

An application development environment

An IT manager discovered that hundreds of pages of printed materials are being recycled each day because the materials are left on the printer tray. Which would BEST prevent this waste?

Require a code or badge before releasing a print job.

The computer lights and fans turn on, but the technician hears three loud, consecutive beeps during boot. Which action will remediate the issue?

Reseating the RAM

Even after a technician reboots the modem supplied by the ISP. the issue persists. Which action would BEST establish the connection in minimal time?

Mobile hotspot

A user's mobile phone gets really hot to the touch and does not retain a charge. Which is MOST likely causing these symptoms?

Defective battery

There's an error message: No input signal detected on the monitor. Which is a possible solution?

Changing the connector setting on the monitor

A technician needs to add external storage, but workstation has no room for internal storage. Which connection type should be used?

eSATA

Upon booting a workstation, a technician hears a distinct clicking sound after power is applied to the motherboard. The cause most likely is ___?

HDD

A user failed to gain access to a building's entrance. Which technology must be enabled for the mobile device to authenticate?

NFC

The technician does not see any external damage but notices that many keystrokes do not register in a word processor. Which action would MOST likely resolve the issue?

Clean the keyboard.

A company requires the ability to wipe the phone's data remotely in the event of loss or theft and the capability to approve applications installed on the phone. Which tool meets this need?

Mobile device management

A technician identified an issue on a workstation, obtained details from the user, and made a backup of the system. Which should the technician do NEXT?

Establish a theory of probable cause, researching internally or externally as needed.

A user says a thumbprint scanner was working correctly yesterday. What troubleshooting step should you perform FIRST after filing the ticket?

Inquire about possible changes.

A support ticket states all printouts from a laser printer have double images imposed on them. A maintenance kit has not been installed in more than a year. Which printer consumable is MOST likely causing the issue?

Fuser

A desktop does not load the OS and is stuck at a black screen. What's the BEST action to take next?

Replace the CMOS battery.

Which component should be upgraded FIRST to allow a workstation to execute multiple large requests with expected performance?

RAM

What BEST describes the main function of a web server?

Hosting home pages and business portals

Client-side virtualization guest machines have security requirements similar to physical machines, but they also need to ensure separation from other guest machines. Which of the following BEST describes this client-side guest security requirement?

Isolation

The technician recreates the issue, notices the projector will not power back on until approximately 15 minutes have passed, and after 15 minutes of being powered on, the projector shuts off again. What should the technician perform NEXT to resolve the issue?

Clean the filter.

A customer printer gives A4-sized labels that contain white space in the middle of the image. What would be the most likely cause?

Page orientation

Which storage device should a technician install to BEST improve a workstation's response time without removing the current hard drive?

M.2

A user dropped a smartphone, icons look normal, but touching the email icon does nothing. What's MOST likely?

Digitizer issues

A user selects a webcam in a videoconferencing program, the software is unable to open the webcam. The webcam was working the precious day. What should be done to address the issue?

Close other video software and retry.

Users report that the wireless connection drops or becomes very slow (only on office network). What's MOST likely to be the cause?

Device interference

A developer wants to write code in a setting isolated from other infrastructure to avoid negative impacts of experimental code. Which of the following provides the BEST solution for the developer?

Sandbox environment

After a file system check, the PC still issues a hard drive error message. What is the MOST likely cause?

S.M.A.R.T failure

A user takes a tablet to a technician because the cursor on it keeps drifting. What is the MOST likely cause?

The screen needs to be recalibrated.

A laptop's external webcam software is running, but it shows no image or video. What should a technician perform FIRST?

Reseat the webcam.

What describes the main difference between T568A and T568B cabling standards?

The green and the orange cables are interchanged.

A user hears a beep and then an error message is displayed. Which are the MOST likely causes?

RAM module & Boot Order

Which of the following describes metered utilization of cloud resources?

Payments made only for resources that are used

A technician determines root cause of sporadic network connectivity issue is EMI. Which cable medium is MOST cost effective, without sacrificing system performance?

Shielded Cat 6

A user sporadically fails to boot, hears a strange repetitive ticking noise from the PC. What should the technician do FIRST?

Try to extract data

Which contains two requirements of two-factor authentication (2FA)?

Password/thumbprint

A laptop owner insists the screen is broken but, occasionally, a faded image is able to be seen. What step should the repair technician take FIRST?

Ensure the backlight is functioning as expected.

An online retailer wants to save money and is considering migrating to the public cloud so peak is over. What BEST describes this aspect of cloud computing?

Rapid elasticity

A laptop has been working as expected for several years. Suddenly, it stops working when it is plugged into a wall outlet. What is the MOST likely component that needs to be replaced?

Battery

A technician is commissioning a workstation for mirrored storage with two 4TB drives that support one failure. Which BEST meets requirements?

RAID 1

A technician is installing additional RAM. Which RAM type is MOST likely to be used?

DDR3

A technician is replacing a motherboard but he cannot install the CPU into the socket; the pins do not line up. What action do they NEXT take?

Verify the socket type and manufacturer

Which of the following would MOST likely be used to obtain electronic images of a large number of printed documents?

ADF/flatbed scanner

A technician is upgrading a legacy wireless router for a home user. After installing the new router and configuring the SSID to be the same, none of the devices will connect to the network. Which of the following should the technician check NEXT?

MAC filtering list

Which of the following cloud concepts should the online retailer you following use to quickly get more web servers during peak sales times?

Rapid elasticity

A company reports that the first page is printing too light, although the following pages are still legible. What MOST likely needs to be fixed in a dot matrix printer that uses carbon paper?

The ribbon is low on ink or missing and must be replaced to get proper output

A technician needs to install a cost-effective storage device into a rackmount server that will be used as a VM host storage which will be used for all VMs that run from the server. What should be used?

RAID 10 array

A technician installed new firmware on the company's laser printers and has since been receiving

multiple calls that information is garbled and looks like code. Only printers with the new firmware

are having this issue. Which of the following steps should the technician complete NEXT?

Install an updated printer driver on the print server

What describes the operational difference between hubs and switches when transmitting data to a specific computer inside the network?

Switches only send data to the specific computer, while hubs send data to all computers inside the network.

A technician insertes encrypted USB drive. When opening File Explore, the technician cannot see USB drive. What tools should the technician use to see all drives?

Diskmgmt

A computer w/ critical data hasn't been backed up and will not boot past a S.M.A.R.T. error that indicates imminent hard disk failure. What action should the technician take FIRST?

Run diagnostics on the faulty hard drive using a boot disk

A technician receives error messages on a server after unexpected reboot reporting of disks in degeraded & with OS missing. What are the MOST likely causes (2) ?

RAID failure & Bootable device not found

A technician is receiving reports that the entire office sporadically loses network connectivity throughout the day. The technician determines the root cause to be EMI. Which of the following cable mediums would be the MOST cost effective without sacrificing system performance?

Shielded Cat 6

What is the BEST reason to use a virtual machine as a sandbox?

To test new software in a safe environment

A user's mobile phone gets hot when charging. The user has already multiple swapped charging cable. What should the technician do FIRST?

Verify the power rating of the charger.

In which of the following places is a laptop's wireless antenna MOST likely located?

In the bezel of the lid

A network administrator was notified that laptop users are unable to access or ping any network

resources on the corporate network. Which of the following should the network administrator check

FIRST?

DNS

An organization received 200+ spam emails that passed thru the spam gateway containing generally the same content but the sending domains were all different. What solutions will BEST help mitigate the issue?

Verifying DMARC is enabled

A technician is monitoring all outbound traffic in a SOHO. Which of the following is the MOST cost-effective solution to monitor the traffic?

Network tap

While implementing a non-carrier-grade wireless backhaul, a technician notices the current channel selection is externally polluted with various RF signals. Upon performing a spectral analysis, the technician discovers a channel containing almost no RF pollution. Unfortunately, the technician is unable to select that channel. Which of the following is the MOST likely reason for this issue?

The channel is reserved for licensed band use.

user submits a help desk ticket regarding a smartphone that will no longer accept its charging cable. The assigned technician notices the phone does not have a protective case, and the user constantly transport the phone in a pocket. The technician attempts to use a secondary charger, but the cable falls out of the phone. Which of the following is the MOST likely cause of the issue?

The charge port contains foreign objects, such as lint.

The GPS stopped working on a phone, later the user reported that the GPS started working again.What likely caused the phone's GPS to fail?

The cell phone has lost service to the earner

Which port should the administrator enable to traffic the through a systems host-based firewall.

25

A Wi-Fi mesh network has been optimized, yet users still experience decreased bandwidth and connectivity issues. What should the technician do NEXT?

Use a Wi-Fi analyzer to determine whether the channel in use is overcrowded and to identify which channel the mesh network should use for best performance.

A user is trying to play a DVD on a Projector and the user can hear audio but the project shows an error message, HDMI Blocked due to Copy protection and error. What is the most likely cause of the error?

The projector does not support the necessary HDCP protocol.

Vertical streaks are appearing on the output of a laser printer. Which of the following items is the MOST likely cause?

Drum

A university student was able to boot from a live Linux CD on a computer in a shared space on campus. Which of the following will BEST prevent this type of action occurring in the future?

Enable secure boot.

A technician recently discovered the root cause of an application error that several users have been experiencing. What should the technician perform NEXT?

Write a knowledge base article in the ticketing software to expedite future Incidents.