CompTIA A+ Part 1 Practice Exam Q's

What is the network prefix that is used to denote an unsubnetted Class C IP address?

/24

What is the operating range for Class 2 Bluetooth devices at the maximum transmission speed?

10 meters or 33 feet

You have been instructed to build a new computer using an existing Advanced Technology Extended (ATX) motherboard. You must purchase a computer case that will be able to hold this motherboard. What are the dimensions of the motherboard?

12 inches wide by 9.6 inches deep

What are the first two octets of a Class B private IP address?

172.16. through 172.31.

Which radio frequency band does the 802.11b standard use?

2.4 GHz

Which operating frequency band is used by Bluetooth technology?

2.4 GHz to 2.485 GHz

You want to set up a wireless network that uses the 5 GHz band. Which two wireless specifications could you use? (Choose two.)

802.11n and 802.11ac

You suspect that an uninterruptible power supply (UPS) is malfunctioning. You need to test the output from the UPS using a multimeter. Which multimeter setting should you use?

AC voltage

Which of these devices is primarily associated with wireless networks?

Access points

You must purchase new RAM to install in a computer. The company policy states that RAM must be able to detect both single-bit and multi-bit errors. Which component should the RAM you order have?

ECC (Error correction code)

Which protocol is used by Active Directory?

LDAP (lightweight directory access protocol)

You need to implement a RAID level that duplicates a partition on another physical disk, providing two identical copies of the data. Which RAID level should you use?

Level 1

You are teaching a class for new IT technicians. As part of the unit on central processing units (CPUs), you discuss the architecture used to build CPU sockets. Which architecture should you cover?

PGA (Pin Grid Array)

You are on an Android phone and frequently roam outside of your local area. You need to update the list of cell towers to provide better coverage. Which update would you perform?

PRL update

Which of these cloud services typically provides the hardware and software necessary for application development?

PaaS (Platform as a service)

Andrea works for a local law firm's help desk and is getting complaints that employees cannot access the company's intranet site. What is the first tool she should use?

Ping

Jeffrey wants to purchase some software for his department from Dreamsuites.com. After researching company policies, you inform him that he can only make the purchase if it is from a secure site. Which port and protocol qualify as secure?

Port 443 HTTPS (hypertext transfer protocol secure)

You are troubleshooting a connectivity problem on an Ethernet network that contains both Linux and Windows servers. A Windows client cannot connect to the Internet or any network resources. However, other computers on the same subnet as the client can access network resources and the Internet. You issue the ipconfig command at the workstation and find that the IP address assigned to the system's network adapter is 169.254.184.25 and its subnet mask 255.255.0.0. This IP network and subnet are different from the IP network and subnet that other computers on the same segment are using. Which option is the most likely problem?

The client selected its IP address using APIPA (Automatic Private IP Addressing)

A user named Brad calls and reports that he is unable to connect to a file server on your 100BaseT network, although he is able to connect to folders on other computers. A single hub exists on the network. Which hardware problems should you investigate? (Choose two.)

a defective NIC in the file server and a defective hub port

A user complains that the pointer movement on his laptop computer is very erratic. What should you do?

adjust the touchpad sensitivity

Your organizational policy requires that users sync their mobile devices with the cloud at least once a week. Which of the following types of data can be synchronized to the cloud?

all of these; calendar, pictures and documents

You work as a network technician for an accredited university that has recently decided to upgrade its wireless network capabilities for its campus. The current configuration has many dead zones. The campus stretches several kilometers and experiences significant foot traffic from students, staff, and visitors. The upgraded network must cover the campus without sacrificing performance. The university has given your team a large budget to implement these upgrades. Which factors should you consider when implementing a long-range wireless network? (Choose three.)

antenna type, regulatory requirements and power considerations

You have completed a successful migration of your shopping portal's data center to the cloud. You need a system to ensure that only the appropriate users are allowed to perform actions on the stored data and access the applications. Which system of cloud security should you implement for this?

authorization

You are an IT technician for a consulting company. You installed a new inkjet printer and successfully printed a test page. Later, users complained that they were unable to print any documents on the new printer. What should you verify first?

availability of paper

A manager in your company has read about the memory effect and notebook computers. You are explaining to him how the memory effect works. Which component is affected by memory effect?

battery

You are using a color inkjet printer. You print an image containing multiple colors. However, colors in the printed document are not the same as those displayed on the monitor. You want to ensure that printed documents contain the same colors as displayed on your monitor. What should you do?

calibrate the printer

You are responsible for performing all routine maintenance on your company's dot matrix printers. Which of the following is NOT considered a part of routine maintenance for these printers?

calibrating the printer

Your laptop computer, which typically draws 2 amperes (amps) under normal usage, has a rechargeable nickel-cadmium (NiCad) battery that provides 150 minutes of battery power. Lately, the laptop runs out of power after only 30 minutes of use. Which actions should you take to extend the time your computer can operate on battery power? (Choose two.)

clean the battery terminals and perform several cycles of discharging and recharging the battery

You are troubleshooting a laser printer problem where faint images of previously printed pages are appearing on the current page. Which two components are the most likely cause of this problem? (Choose two.)

cleaning blade and discharge lamp

You are creating a fleet of virtual servers for your cloud deployment. Your team has been working for a week to configure an ideal virtual machine with all of the required applications and settings. Now you need to create 100 additional identical virtual machines. What is the most efficient way to do this?

cloning

A user has requested that you order a transfer belt for this department's printer. Which printer uses this component during the image transfer process?

color laster printer

You are in the process of setting up access control systems for the cloud deployment of your computer graphics company. You want that access control to be specified for certain users who can work limited graphics applications, but should be prevented from accessing others. Which access control method will you need to use?

compute system access control

A user reports that he is having problems with his laptop's monitor. He explains that the liquid crystal display (LCD) is no longer spreading the light over the entire screen. Which component of the LCD is most likely causing this problem?

diffuser

A user has requested to have a printer duplexer added to his printer. Which function is provided by this component?

double-sided printing

A company representative has just landed a significant order at a trade show. He has all the necessary information on his laptop and needs to transmit it to the home office for processing. However, he calls you on his company-issued Android phone and notifies you that Internet access is down at the trade show. He is on an LTE connection. What should you recommend?

enable tethering on the phone

A user contacts you stating that she received an error stating that the MBR is corrupt. You need to ensure that this issue is resolved. Where is the MBR stored?

hard disk

A technician is dispatched to troubleshoot a user's computer. After performing diagnostics, the technician determines that drive thrashing is occurring. What are the factors that can affect this? (Choose three.)

memory, hard drive and paging file

You are using the ipconfig tool to troubleshoot a problem with a wireless host. The results are as follows: Ethernet adapter address: 00-10-4B-DE-F5-D8 IP address: 192.168.1.40 Subnet mask: 255.255.255.0 Default gateway: 0.0.0.0. You can access services on the local network from the host, but you cannot access the Internet. What is the most likely cause of the problem?

missing default gateway

Your company is implementing a new application that will be deployed on mobile devices. Authentication within the application includes the client authenticating with the server and the server authenticating with the client. What type of authentication is this?

mutual authentication

You are responsible for managing a host computer that hosts several Windows 10 virtual computers. You need to install the latest patches for the operating system. Where should you install the patches?

on both the host computer and all Windows

What are the two most important factors to consider when selecting a replacement power supply for a desktop computer? (Choose two.)

output capacity in watts and form factor

Which type of address does a hardware vendor assign?

physical device address

Audrey travels for business three to four days a week and is not always near power outlets. She needs a solution for when her laptop battery dies. What would you recommend she do? (Choose two.)

purchase an extra laptop battery and purchase a portable battery bank made to charge laptops

After troubleshooting a laptop computer issue, you discover that that the motherboard is faulty. The computer is under warranty, and the manufacturer ships you a replacement motherboard that is the same model as the defective one. You need to replace the laptop's motherboard. All of the following are guidelines when replacing the motherboard EXCEPT

remove the RAM and hard drive from under the laptop's keyboard

You need to replace the hard drive in a user's portable computer. You examine the physical size of the hard drive and purchase a replacement drive that is the appropriate size, as verified by your inspection of the existing drive. You unplug the portable computer from alternating current (AC) power. What should you do next?

remove the battery

Your department's laser printer recently began printing a vertical black line near the edge of every printed page. What should you do to resolve the problem?

replace the toner cartridge

You are replacing an old PCI video card in your computer with a new PCI Express video card. You remove the old video card, insert the new video card into an available slot, and reattach all of the cables. However, when you reboot the computer, you hear POST code beeps and you see a blank display. What should you do?

reset the video adapter

Which of the following are valid uses for virtual machines (VMs) within a cloud environment? (Choose three.)

sandboxing, test development, application virtualization

You are a desktop engineer for DreamSuites Corporation. Irene Jones has joined DreamSuites as an HR executive in the London office. You configure a new computer for Irene. The computer will not power up, and you have been asked to troubleshoot the problem. Which action is NOT required to troubleshoot the problem?

set the power output of the wall outlet to 230 volts

You have replaced the memory in a laptop computer. What would cause the reported memory to be lower than the actual physical memory?

shared video memory

You are setting up an 802.11a wireless network in a small office environment that includes three wireless access points. The wireless access points are at least 15 meters apart and are configured for automatic channel setting. Each time you turn the wireless access points on, they choose the same channel. You need to ensure that the access points choose separate channels to prevent interference, using the least amount of administrative effort. What should you do?

start each wireless access point at a separate time

You need to ensure that data on your mobile device, including pictures, music, and contacts, is uploaded to your desktop computer. What is this process called?

synchronization

Your organization is replacing all of its mobile devices and issuing Windows 10 laptops. The organization wants everyone to use the touchpad as opposed to a mouse. You must provide some training on how to properly use the touchpad. In the training memo, which touchpad gesture would you demonstrate that replicates right-clicking a mouse?

tap the touchpad with 2 fingers

You frequently operate your Windows 10 portable computer on battery power when you are traveling. When you use battery power, your Windows 10 computer is configured to enter standby mode after 15 minutes of inactivity. Which components are turned off in this mode? (Choose two.)

the monitor and hard disk

A user keeps receiving a printer error message before the print job is sent to the print spooler. Which printer issue would cause this?

the printer power is off

You have begun the process of replacing the CPU in your computer by physically installing the CPU. You must ensure that the motherboard recognizes the new CPU. What should you do first?

update the firmware

You need to install a network that uses cable that can operate at up to 10 gigabits per second (Gbps). Which cabling should you use?

Cat6

A user complains that the image on his monitor flickers a lot. This flickering occurs no matter which application the user has opened. What should you do?

Configure the video card driver to use a higher refresh rate

You are clearing the IT technician workspace for your company of any old or obsolete hardware. You have found several different types of RAM, including modules that use 168 pins. Which type of computer memory module uses 168 pins?

DIMM (Dual Inline Memory Module)

Which of the following is NOT an Internet appliance? DNS IPS IDS Spam gateway UTM Load balancer

DNS

A user needs to install a DVD drive in his desktop system. The DVD drive needs to be capable of backing up his system files. He wants to install the DVD drive that is capable of storing the most data. Which DVD specification should he install?

DVD+R DL

In the process of implementing security for your cloud deployment, you need to specify access rights for the users. Your company has a large number of employees and several levels of management where an employee may need to delegate responsibility and grant access to other employees dynamically. What kind of access control will you need for this?

Discretionary

You need to configure an iPhone to connect to your company's 802.11g network. You navigate to the settings. What should you do NEXT?

Enable Wi-Fi

Your company has a wireless network for its small office network. The wireless network does not broadcast its service set identifier (SSID). You configure a user's Windows 10 computer to connect to the wireless network by manually setting the SSID. You need to ensure that the user's computer does not send probe requests to discover if the wireless network is in range. What should you do?

Ensure the 'Connect even if the network is not broadcasting' option on the Connections tab of the 'Wireless Network Properties' page is cleared

You are choosing from among several different laptop components. Which of the following operates at the fastest speed?

ExpressCard using a PCIe bus

Your company's mobile sales force is complaining about how slow their laptops are. You are considering replacing the mechanical hard drives in their laptops with solid state drives (SSD). This will provide an increase in performance, but you are concerned about the SSD's limited storage capacity. What type of SSD should you consider?

Hybrid drives

You are using a cloud-based system for your online gaming portal. Some of your users need an increase in their available network bandwidth. Where in the cloud architecture will this configuration be made?

Hypervisor

Which of these terms refers to a foundation service upon which the other two foundation services are built?

IaaS (Infrastructure as a Service)

You are responsible for managing your research department's network. This network uses RG6 coaxial cabling. Which of the following statements is TRUE regarding this network?

It is thicker than RG59 coaxial cable

You clear a paper jam from the tray in a laser printer. However, the printer still indicates a jam. What step should you perform next?

Look for another jam in the paper tray

You are setting up a network segment in the Research and Development department. Due to the sensitive and proprietary nature of the work in this department, you want to ensure that only computers belonging to that department can access that network segment. Which option would you use?

MAC filtering

For what purpose have IP addresses in the 192.168.0.0 through 192.168.255.255 range been reserved?

Private networks

You want to upgrade the memory on a laptop. You first unplug the AC adapter and remove the battery. What should you do next?

Put on an antistatic wrist strap

You are a desktop engineer for Verigon Corporation. Gloria requires a PCI network interface card and a PCI sound card installed in her computer. Her computer has three PCI slots, two of which contain the video card and the modem, respectively. Which card should you use to attach both the PCI network interface card and sound card to the computer?

Riser card

In the past year, several hard drives in your company's computers failed without warning. All of the failed drives were replaced, but management is concerned that this will become an increasing problem because of the number of older computers in use. They have asked you to implement a technology that detects failing hard drives by analyzing the hard drive and providing a warning of impending failure. Which technology should you implement?

S.M.A.R.T (Self-Monitoring Analysis and Reporting Technology)

You wish to send encrypted emails. What option should you enable?

S/MIME (Secure/Multipurpose Internet Mail Extensions)

You have been asked to upgrade the hard drives in several legacy computers. Management wants you to upgrade them to the hard drive specification that has the fastest theoretical bus speed. Of the options given, which hard drive specification should you implement?

SATA 3 (Serial Advanced Technology Attachment)

Identify the SATA connectors on the motherboard by clicking the appropriate area. (study graphic)**

SATA connections

You have contracted with a cloud service provider prior to migrating your online shopping company to a cloud deployment. You have opted for an IaaS model. When you test the system post-migration, what should you use to verify that the services provided to you by the cloud company are in line with the expectations and baseline performance?

SLA (Service Level Agreement)

Last year, your department replaced all of the desktop computers with laptops. Recently, your company adopted a new minimum standards policy that requires a memory upgrade for the majority of the new laptops. Which type(s) of memory could be installed in the new laptops? (Choose two.)

So-DIMM (small outline dual inline memory module) and Micro-DIMM

Randy wants to know the cost differences between several hard drives for his laptop. He knows that flash memory can serve as a hard drive, but he needs to know what type of drive to order. What should you tell him to purchase?

Solid-state drive

Match the protocol from the left with the default port it uses on the right. Move the correct items from the left column to the column on the right to match the protocol with the correct default port.

The protocols given use these default ports: Port 20 - FTP Port 23 - Telnet Port 25 - SMTP Port 53 - DNS Port 80 - HTTP FTP also uses port 21, but it was not listed in this scenario.

You receive a technical support call from a department manager. She reports that the laser printer in her department prints only blank pages. A telephone interview reveals that the paper is not jamming in the printer and that the problem began occurring after the toner cartridge was replaced. What is the most likely cause of the problem?

The sealing tape was not removed from the toner cartridge

A client, Warren, reports CMOS mismatch errors at startup. Further conversation with Warren reveals that he had forgotten the startup password he assigned in CMOS, and he had to clear all CMOS settings for his computer to complete a successful startup. Although he can now start his computer, he continues to observe CMOS errors each time he starts the computer. He replaced the CMOS battery, but the problem continues. Which component should you investigate first to resolve the problem?

The system board jumper settings

Which serial communication standards provide hot-swap capability? (Choose two.)

USB (Universal serial bus) and IEEE 1394 (Institute of Electrical and Electronics Engineers)

You need to remove several devices from a computer. For which type of device should you use the Safely Remove Hardware icon to stop the device's operation before removing it from the computer?

USB flash drive

A user notifies you that the monitor on her notebook computer is not displaying anything. What should you do FIRST?

Use the Fn key to toggle to the internal video display

You have a single switch, and you need to separate the network traffic for the Marketing and Accounting departments. What would be the easiest way to accomplish this?

VLAN (Virtual Lan)

You are helping students install Windows and Linux servers in various configurations on their laptops. What would be the most important CPU or motherboard feature to configure?

Virtual technology

Match each printer quality on the left with the printer it describes. Each quality will only match to a single printer type, and each printer type will only have a single quality.

You should match the printer qualities as follows: Laser - Duplexing assembly Inkjet - Ink cartridge Thermal - Heating element Impact - Ribbon Virtual - Print to file