CompTia A+ Core 1 PT3

A computer technician is configuring a NAS for a company to store their corporate data. The technician has installed two 1 TB hard drives operating at 7200 RPM in a RAID 1 configuration. How much usable storage space is contained in the NAS? 1.5 TB 0.5 TB 1 TB 2 TB

1 TB

Which of the following form factors of storage devices are NOT used in laptops? M.2 3.5" 1.8" 2.5"

3.5"

Which of the following is an example of a valid IPv6 address? 192:168:1:55 ::1 00:AB:FA:B1:07:34 192.168.1.254

::1

You just bought a new Virtual Reality headset to use with your computer. To ensure your computer is ready to support the new VR games, which of the following should you install? A dedicated graphics card A larger hard drive A Bluetooth adapter A RAID 5 array

A dedicated graphics card

Your company received a large bill for file storage from your online cloud provider this month. Upon investigation, you noticed that one of your employees has uploaded over 1 TB of data to the service. What type of plan is your company utilizing? A flat-fee plan An on-demand plan A metered plan A non-metered plan

A metered plan

A network engineer is designing an 802.11g wireless network that uses three wireless access points for complete coverage. Which of the following channel selections would result in the LEAST amount of interference between each access point? Adjacent access points should be assigned channels 4, 8, and 12 with a 40MHz channel width Adjacent access points should be assigned channels 7, 9, and 11 with a 40MHz channel width Adjacent access points should be assigned channels 2, 6, and 10 with a 20MHz channel width Adjacent access points should be assigned channels 1, 6, and 11 with a 20MHz channel width

Adjacent access points should be assigned channels 1, 6, and 11 with a 20MHz channel width

Which of the following types of data should you transmit over TCP? Streaming music while you work An order for a $50,000 stock purchase A Skype phone call with your friend Streaming video from YouTube

An order for a $50,000 stock purchase

A customer's computer has a noisy, whining sound coming from it when in use. You opened the case and did not see any dust on the fans. What should you attempt next to eliminate the noise? Clean the fans using a damp cloth Replace the fans Apply a small amount of oil to the fan's bearings Apply compressed air to each of the fans

Apply a small amount of oil to the fan's bearings

Which option would you MOST likely use to configure PXE to set up remote imaging on a computer during a deployment? Power management configuration Windows boot menu Secure boot configuration BIOS boot option

BIOS boot option

You are troubleshooting a customer's PC. You realize there is a problem with the RAM and decided to replace the faulty module. You turn on the PC, and after a few seconds, you hear a single beep. What does hearing a single beep indicate? BIOS detected an error CMOS battery needs to be replaced Possible faulty RAM module BIOS completed POST

BIOS completed POST

Your Windows 10 machine has just crashed. Where should you look to identify the cause of the system crash and how to fix it? DDOS POST MAC BSOD

BSOD

Which of the following BEST describes how a DHCP reservation works? By letting the network switches assign IP addresses from a reserved pool By assigning options to the computers on the network by priority By leasing a set of reserved IP addresses according to their category By matching a MAC address to an IP address within the DHCP scope

By matching a MAC address to an IP address within the DHCP scope

The accounting department has been relocated to a new area of the building, which is more than 70 meters away from the closest IDF. To comply with an SLA that requires that 10Gb speeds be provided, what type of media should be installed? 802.11n CAT 6a 802.11ac CAT 5e

CAT 6a

Dion Training has just installed a new web server and created an A record for DionTraining.com. When users try entering www.DionTraining.com, though, they get an error. You tell their network administrator that the problem is because he forgot to add the appropriate DNS record to create an alias for www to the domain's root. Which type of DNS record should be added to fix this issue? AAAA CNAME NS PTR

CNAME

Which type of internet connection allows for high-speed bi-directional data communication over a hybrid fiber-coaxial (HFC) connection? Fiber Cable DSL Satellite

Cable

You have been asked to replace a cracked screen on a laptop. The replacement screen was delivered today, but it did not include any instructions for removal and replacement. You have been unable to find the repair information on the manufacturer's website. Which of the following is the BEST course of action for you to take when replacing the cracked screen? Wait a few weeks until the manufacturer updates their website with the repair manuals Return the screen and order one from a different manufacturer Update the laptop's device driver before replacing the screen Carefully remove the laptop's cracked screen while documenting and labeling all of the screw locations and cables/connectors

Carefully remove the laptop's cracked screen while documenting and labeling all of the screw locations and cables/connectors

Peter is attempting to print to his office printer, but nothing comes out. Yesterday, his printer was working just fine. Peter does not notice any errors on the taskbar's printer icon. Which of the following actions should Peter try FIRST to solve this issue? Cancel all documents and print them again Check to ensure the printer selected is the default printer Check that the printer is not offline Check the status of the print server queue

Check the status of the print server queue

A user wants to print 2 copies of a 3-page report at once. The user would like the pages to come out of the printer in the order of pages 1, 2, 3, 1, 2, 3 instead of pages 1, 1, 2, 2, 3, 3. What printer setting should the user enable for this print job to achieve this result? Transparency Duplex Collate Orientation Explanation

Collate

You have just set up a Minecraft server on a spare computer within your network and want your friends to connect to it over the internet. What do you need to configure in your SOHO router to allow your friends to connect to the new Minecraft server you created? Configure port forwarding Enable DHCP Update the firmware Configure your Wi-Fi to use Channel 11

Configure port forwarding

You are attempting to build a new gaming workstation and have just finished installing the motherboard and the processor. You are about to begin installing two memory modules, and notice 4 DIMM sockets on the motherboard labeled 0, 1, 2, and 3. Two of these are colored red, and two are colored blue. Which of the following should you do FIRST? Install 2 DDR4 memory modules into slots 2 and 3 Install 2 DDR4 memory modules into the red slots Install 2 DDR4 memory modules into the blue slots Consult the motherboard's manual Install 2 DDR4 memory modules into slots 0 and 1

Consult the motherboard's manual

Which of the following provides a cryptographic authentication mechanism to positively identify an organization as the authorized sender of email for a particular domain name? SPF SMTP DKIM DMARC

DKIM

Which type of internet connection is terminated at a local switching center and requires a different media type between the switching center and the end customer? DSL Cable Satellite Fiber

DSL

Jason's iPad only had 12% battery remaining at the end of the day, so he connected his iPad to the lightning cable and wall adapter last night before going to bed. In the morning, Jason tried to turn on the iPad, but it appeared to be completely powered down, and the battery was drained. Jason connected the lightning cable to his iPhone, and the iPhone began charging. Which of the following is MOST likely the reason that the iPad didn't charge overnight? Defective lightning cable Defective battery Defective AC adapter Defective charging port on the iPad

Defective charging port on the iPad

Whenever you reboot your domain controller, you notice it takes a very long time to boot up. As the server is booting, you hear noises that sound like a steady series of clicks coming from the hard drive. Which of the following is the BEST action to help speed up the boot time of the server? Defragment the hard drive Remove unnecessary applications from startup Perform a Disk Cleanup Terminate processes in the Task Manager

Defragment the hard drive

Which of the following parts is responsible for converting the analog signals created by your tapping or swiping the surface of a display to a binary signal that is understood by the underlying software? Inverter Capacitor Backlight Digitizer

Digitizer

You just installed an SSD into a laptop to increase the storage speed of the device. Which of the following should you configure to increase the lifespan of the newly installed SSD? Enable the paging file within the operating system Disable memory caching on the SSD Disable regularly scheduled defragmentation of the SSD Enable the power-saving mode of the SSD

Disable regularly scheduled defragmentation of the SSD

A technician at Dion Training is troubleshooting an issue with a workstation. The technician believes that the motherboard needs to be replaced based on the symptoms they observed. Which of the following symptoms did the technician likely observe to lead them to this conclusion? Distended capacitors Incorrect date/time on the workstation Continuous reboot Burning smell

Distended capacitors

A user wants to print a large job on both the front and back sides of the paper. Which of the following settings should the technician advise the user to change in the printer settings? Orientation Collate Duplex Transparency

Duplex

An employee at Dion Consulting is configuring their Android smartphone to synchronize their email with their corporate Office 365 account. What type of credentials will the employee need? Mail Protocols Domain Name Email and Password Authentication code

Email and Password

You want to boot from a removable USB device to troubleshoot your Windows 10 laptop. During your rebooting of the machine, which key should you press to enter the boot order menu? F11 F8 Command + R F12

F12

You have been asked to install a network cable inside a conduit placed underground and connected to two buildings located about 1 KM apart. Which of the following cable types should you choose? Plenum Shielded Fiber Coaxial

Fiber

What network device uses ACLs to prevent unauthorized access into company systems? IDS Content filter Firewall Load balancer

Firewall

Using the image of the motherboard above, which of the following correctly indicates the circled area? Front connectors SATA connector PATA connector Audio connector

Front connectors

The large multi-function network printer has recently begun to print pages that appear to have a dust-like coating when handled by the users. Which of the following components should be replaced based on this description? Fuser Scanner assembly Drum Toner cartridge

Fuser

Using the image above, which of the following correctly indicates the port labeled as D? HDMI DVI-D DVI-I VGA

HDMI

Which of the following metrics should you consider to compare the performance of an SSD or HDD? IOPS Bandwidth Seek time Latency

IOPS

You are working as a technician for a college. One of the professors has submitted a trouble ticket stating that the projector connected to the workstation in his classroom is too dim. You look at the image being projected on the wall and notice it is dim, but the image appears to be displayed clearly and correctly. What is the FIRST thing you should do to make the image brighter? Increase the contrast on the projector Modify the workstation's video resolution Replace the bulb in the projector Update the video driver on the workstation

Increase the contrast on the projector

Which of the following types of laptop displays would utilize a fluorescent backlight to illuminate the image? Plasma LCD LED OLED

LCD

Which of the following cables was a proprietary cable used in many iPhones and iPads? Lightning Micro USB USB-C Mini USB

Lightning

Dion Training has created a custom corporate application for its employees to access its student information database. This application is not found in the public App Store and must be installed directly on the device by one of the Dion Training system administrators. Which of the following technologies should the administrator use to install a profile with their security credentials and this custom application on an employee's iPhone? GSM NVMe CDMA MDM

MDM

Dion Training utilizes a strong authentication model for all of its internal services. If an employee needs to access one of the company's internal applications, they use their username, a password, and a one-time code texted to their smartphone to log in. Which of the following types of authentication is this known as? FaceID TouchID SSO MFA

MFA

Using the image of the motherboard below, which of the following correctly indicates the circled area? PCI CPU slot Memory slot PCIe x16

Memory slot

What type of cloud service bills consumers based on the actual usage of the service and may charge different prices based on the time of day it was utilized? Measured services Metered services Rapid elasticity Resource pooling

Metered services

Your cellular carrier allows you to turn on a feature on your smartphone so that you can share its internet connection with other devices close to your smartphone. If you wanted to share the internet connection with multiple devices simultaneously, which feature would you enable? Tethering NFC Bluetooth Mobile hotspot

Mobile hotspot

Dion Training has asked you to verify that a server rack has been properly installed and grounded. Which tool should you utilize to verify that the server rack is properly grounded? Voltmeter Loopback plug Multimeter Toner probe

Multimeter

A new smartphone supports users' ability to transfer a photograph by simply placing their phones near each other and "tapping" the two phones together. What type of technology does this most likely rely on? RF NFC BT IR

NFC

Which of the following protocols operates over port 139 by default? NetBIOS SMB HTTPS IMAP

NetBIOS

Which cloud computing concept allows users to store files on a cloud-based server when necessary and copy that data from the cloud, and put it back on the device when space once again becomes available on the device? On-demand Shared resources Synchronization application Resource pooling

On-demand

What type of cloud service would provide you with a complete development and deployment environment in the cloud for you to create customized cloud-based apps? IaaS PaaS DaaS SaaS

PaaS

Which of the following devices is installed in a communication closet to connect network wall jacks to a network switch using pre-wired RJ-45 ports? Router Access point Patch panel Hub

Patch panel

What is the name of the printer concept that is used a page description language that produces higher quality outputs at the expense of speed? Printer control language PostScript Line Printer Daemon Internet Printing Protocol

PostScript

Your boss is looking for a recommendation for a cloud solution that will only allow your company's employees to use the service while preventing anyone else from accessing it. What type of cloud model would you recommend to ensure the contents are best secured from those outside your company? Community Cloud Public Cloud Private Cloud Hybrid Cloud

Private Cloud

Which of the following sequence of events properly identifies the steps of a laser printer's imaging process? Processing, charging, exposing, developing, transferring, fusing, and cleaning Developing, processing, charging, exposing, cleaning, transferring, and fusing Charging, processing, exposing, transferring, developing, fusing, and cleaning Cleaning, charging, developing, exposing, transferring, fusing, and processing

Processing, charging, exposing, developing, transferring, fusing, and cleaning

Which of the following devices should be installed as an intermediary between your clients and the web servers they want to connect to make an HTTP request from the client, check it, and then forward it to its destination? DHCP server DNS server File server Proxy server

Proxy server

You are working as a network technician and need to create several Cat 5e network cables to run between different computers and the network jacks on the wall. The connections between the switch, the patch panel, and the wall jacks have already been installed and tested. Which of the following tools would NOT be necessary to complete this task? Cable tester Cable crimper Wire stripper Punchdown tool

Punchdown tool

Jason's son has broken the RJ-45 port of his laptop by sticking clay into it, and there are no wireless networks available in his office building. The manufacturer of the laptop said the port cannot be replaced for at least a week. Which of the following would be the MOST appropriate workaround to get the laptop connected to the wired network at Dion Training's office quickly? Purchase and use a USB to RJ-45 adapter Disable airplane mode and use the integrated 802.11ac adapter Enable NIC teaming to increase your bandwidth Replace the motherboard since it contains an integrated RJ-45 port

Purchase and use a USB to RJ-45 adapter

What RAID level requires at least three hard disks to operate? RAID 0 RAID 1 RAID 10 RAID 5

RAID 5

You are working as part of the server team for an online retail store. Due to the upcoming holidays, your boss is worried that the current servers may not be able to handle the increased demand during a big sale. Which of the following cloud computing concepts can quickly allow services to scale upward during busy periods and scale down during slower periods based on the changing user demand? On-demand Resource pooling Metered services Rapid elasticity

Rapid elasticity

You are working as a laptop repair technician. You just received a laptop that was reported to have a glass of water spilled on it. You want to examine the components in the laptop to begin troubleshooting it. What are the first steps you should take as part of your troubleshooting process? Consult your coworkers for suggestions and advice Watch a YouTube video for tutorials on how to fix this model of laptop Submerge the laptop in a large bowl of rice to fully dry out the inner components Remove the external casing of the laptop and document the screw locations

Remove the external casing of the laptop and document the screw locations

A client contacts the service desk because their laptop will not charge when plugged in. The client states that the laptop runs properly while connected to the wall outlet, but if they unplug it, then the laptop immediately powers off. Which of the following do you recommend to solve this issue? Replace the power adapter Replace the DC jack Connect the laptop to a 220v outlet Replace the battery

Replace the battery

A customer is complaining that their printer has begun to fade. While questioning the customer, you found out that they bought the laser printer about 11 months ago, have never performed any maintenance, and have only added more paper to it when it runs out. When checking the page counter, you identified that they had printed over 3,000 pages. Which of the following is MOST likely the cause of the fading? Adjust paper print tray height Replace the drum Verify the charge of the corona wire Replace the toner cartridge

Replace the toner cartridge

A technician is building a new computer for Dion Training. The technician installs the motherboard, processor, memory, hard drives, and case fans, then they attempt to connect the cables to the appropriate connections. When the technician powers on the system, the fans spin, the motherboard's LEDs light up, and the computer completes its POST. Unfortunately, the monitor displays a "bootable device not found" error. Which of the following did the technician likely forget to connect to the motherboard? SATA 15-pin power cable Case fan 4-pin power cable CPU 8-pin power cable Motherboard 24-pin power cable

SATA 15-pin power cable

Using the image of the motherboard above, which of the following correctly indicates the circled area? SATA connection USB connection Port cluster PATA connection

SATA connection

You are troubleshooting a memory issue on a customer's laptop and have determined that the memory module needs to be replaced. You walk into the storage room to select a memory module to use as a replacement. Which of the following choices would be the MOST LIKELY choice for you to select for use on the laptop? Single Channel DDR4 SODIMM ECC

SODIMM

Which of the following is a connection-oriented protocol that utilizes TCP? DHCP TFTP SNMP SSH

SSH

What type of cloud service would allow you to provide a cloud-based application to your employees using their smartphones? IaaS DaaS PaaS SaaS

SaaS

Which type of cloud service provides users with an end-to-end application solution for a recurring monthly or yearly fee? IaaS PaaS DaaS SaaS

SaaS

John is setting up 100 Windows 10 computers for a new corporate office. He wants to ensure that unauthorized applications are prevented from being installed during the bootup process. What feature should he ensure is enabled? RAM integrity checking Full disk encryption BIOS password required Secure Boot

Secure Boot

Which application would NOT allow you to sync your data between your Windows, macOS, Android, and iOS devices? Shadow Copy DropBox OneDrive Google Drive

Shadow Copy

Which of the following networked hosts should be installed to prevent users from being overwhelmed with junk emails? Web server Proxy server Syslog server Spam gateway

Spam gateway

Samuel is building a backup file server, and he wants to ensure that he can minimize downtime. Which of the following considerations should be MOST important when choosing a storage controller card for this server? Providing the least expensive option available Support for the fastest speeds available Support for hot-swappable drives Support for at least 100 TB of connected storage

Support for hot-swappable drives

William would like to use full-disk encryption on his laptop. He is worried about slow performance, though, so he has requested that the laptop have an onboard hardware-based cryptographic processor. Based on this requirement, what should William ensure the laptop contains? TPM PAM FDE AES

TPM

Jason is teaching a CompTIA course at a large company, but they do not allow non-employees to connect to their network. Since Jason needs the Internet for an in-class demonstration, he connects his laptop to his iPhone using a USB cable. He essentially connects to the Internet using the smartphone as a modem. Which of the following terms best describes this configuration? Hotspot Tunneling Tethering Baseband update

Tethering

Dion Training's file server uses a RAID 5 for its main data store. Recently, the RAID began flashing from green to yellow. Additionally, an alert was received that stated, "RAID ARRAY DISK1 FAILURE". Unfortunately, the company no longer has any spare 1 TB, 5400 RPM Seagate drives, so a technician replaces DISK1 with a 1 TB, 7200 RPM Western Digital drive. When the technician attempts to rebuild the array, the drive stays in degraded operation and continues to alert that "RAID ARRAY DISK1 FAILURE" is occurring. What is the most likely cause of this issue? Incorrect SCSI ID set The new drive is not formatted as FAT32 Bad SATA cable The HDD is incompatible

The HDD is incompatible

A user called the help desk to complain about an issue with their laptop's keyboard. Every time they type a word like "help" or "none," it is displayed as something cryptic like "he3p" or "n6ne". Which of the following is the MOST likely cause of this issue with the laptop keyboard? The keyboard driver needs to be updated The keyboard is faulty and needs to be replaced The keyboard has some crumbs or debris that has fallen under the keys The NumLock has been enabled for the laptop

The NumLock has been enabled for the laptop

Eduardo's laptop is shutting down intermittently. Sometimes, the laptop will work for 20 minutes before shutting itself down, and other times it can work for 90 minutes before shutting itself down. He noticed that if he is doing more processor-intensive work such as video editing, the laptop will shut down more quickly than if he is doing simple word processing tasks. A technician examines the laptop and does not smell any unusual odors coming from it. Which of the following is MOST likely causing the laptop to intermittently shut down? The laptop has inadequate airflow and is overheating The laptop's battery connection is loose The laptop's CMOS battery has failed The laptop's motherboard has a swollen capacitor

The laptop has inadequate airflow and is overheating

Jonni's laptop works perfectly when sitting at his desk. Whenever Jonni moves his laptop from his desk to the conference room, though, the laptop unexpectedly powers off. A technician examines the laptop and does not smell any unusual odors coming from it. Which of the following is MOST likely causing the laptop to lose power when moved? The laptop's CMOS battery has failed The laptop's motherboard has a swollen capacitor The laptop's battery connection is loose The laptop has inadequate airflow and is overheating

The laptop's battery connection is loose

Which of the following printer configuration settings controls the size of the paper used for the print job? Orientation Duplex Quality Tray

Tray

A customer complains that their smartphone is hot to the touch when charging and their rubber phone case no longer fits it properly. What should you do? Let the smartphone cool down for a few hours and try to recharge it again Turn off the phone, do not plug into the wall outlet, and replace the battery Put the phone under a heavy textbook to reshape the battery Open the battery meter app to see what is placing a large load on the battery

Turn off the phone, do not plug into the wall outlet, and replace the battery

Using the image above, which of the following correctly indicates the port labeled as G? USB 2.0 USB-C USB 3.0 FireWire

USB 3.0

Which of the following technologies combines the functionality of a firewall, malware scanner, and other security appliances into one device? UTM IPS IDS Syslog

UTM

A customer's Android smartphone is only 6 months old but is becoming excessively slow. When questioned, the customer states it was acting fine until they recently installed a new stock market tracking app. What action should you take to troubleshoot the slow performance on this phone? Uninstall the app, reboot the phone, and reinstall the app Factory reset the smartphone and reinstall all the apps Replace the phone with a newer model Perform a hard reboot of the smartphone

Uninstall the app, reboot the phone, and reinstall the app

A customer is complaining that their workstation is beginning to run slowly when many applications are opened simultaneously. Which of the following upgrades would you recommend to solve this problem? Perform a chkdsk on their SSD Replace their 256 GB SSD with a 1 TB HDD Upgrade the system from 4 GB to 16 GB of RAM Replace their 802.11g card with an 802.11ac card

Upgrade the system from 4 GB to 16 GB of RAM

Jason, a computer technician, is troubleshooting a motherboard. He has determined that the motherboard needs to be replaced in the laptop. Which of the following next step should be performed next? (Choose TWO) Use portable power driver to remove screws Documentation of all screws and locations Disconnect laptop keyboard before disconnecting the battery Read owners' manual for procedures and steps to avoid breaking the warranty

Use portable power driver to remove screws, Read owners' manual for procedures and steps to avoid breaking the warranty

You are troubleshooting an issue on a client's computer and need to make some computer changes to test your theory of probable cause. What should you do BEFORE you make any changes to the computer to test your theory? Order a spare power supply in case you need to replace it Verify that a recent backup of all of the client's important files has been created Create a system restore point in the operating system Provide the customer with an invoice for the work

Verify that a recent backup of all of the client's important files has been created

A military contracting firm is worried about proprietary corporate information being removed from the company's network. To combat this, they have created strict rules regarding what types of information can leave their office building. You have been asked to fix a workstation for the company and have been brought on-site to troubleshoot the issue. You have properly followed the troubleshooting steps and have created a plan of action to fix the workstation. Unfortunately, your solution will require that the workstation be taken back to your off-site repair shop to solve the workstation's problems fully. What is the NEXT thing you should do to fix this workstation? Remove the internal hard disk drive and then take the workstation with you to your repair shop to fix it Verify the contracting firm's corporate polices regarding the removal of a workstation for repairs Ask the employee who usually works on the workstation if you can take it to your repair shop Format the hard drive of the workstation to delete all proprietary data before taking the workstation to your repair shop

Verify the contracting firm's corporate polices regarding the removal of a workstation for repairs

You need to determine the best way to test operating system patches in a lab environment before deploying them to your automated patch management system. Unfortunately, your network has several different operating systems in use, but you only have one machine available to test the patches on. What is the best environment to utilize to perform the testing of the patches before deployment? Bypass testing and deploy patches directly into the production environment Sandboxing Virtualization Purchase additional workstations

Virtualization

Which of the following types of servers should you configure to accept requests through HTTP or HTTPS and provide resources back to the requester? File server DHCP server Print server Web server

Web server

Which of the following tools is used to identify why an 802.11g network is intermittently dropping network traffic? Cable tester Multimeter WiFi analyzer Tone generator and probe

WiFi analyzer

You have been asked to replace the wireless 802.11ac card in an employee's laptop. Which of the following types of expansion cards is this? PCIe NVMe miniPCIe SODIMM

miniPCIe