A+ Core 1 Exam Practice Questions
A hardware technician is ordering power supply units (PSUs) for the organization's desktop computers. What type of form factor is the technician looking for the PSUs to have from the list below? A.ATX B.SFF C.PCIe D.Mini-ITX
A. ATX most PSUs designed for use with desktop PCs are based on the ATX form factor.
A user utilizing an external mouse complains that when typing on a laptop keyboard, the cursor slowly moves across the screen. What actions can the help desk perform to prevent this behavior from happening? (Select all that apply.) A. Adjust the sensitivity setting. B. Disable the touchpad. C. Update the driver. D. Replace the keyboard.
A. Adjust the sensitivity setting B. Disable the touchpad C. Update the driver
A network technician is troubleshooting an issue where a wireless device only receives an intermittent signal. What could be a possible cause of this? (Select all that apply.) A. Another radio source is broadcasting at the same frequency. B. There is Wi-Fi analyzer software running. C. There is an electromagnetic source nearby. D. Something is blocking the signal.
A. Another radio source is broadcasting at the same frequency C. There is an electromagnetic source nearby D. something is blocking the signal
A student is learning about computer hardware and the instructor selects them to identify the component that executes program instruction code. How should the student respond? A. CPU B. RAM C. Cache D. HDD
A. CPU
A hardware technician is reinstalling a heat sink with a central processing unit (CPU). Which of the following steps should the technician take to reinstall the heat sink? (Select all that apply.) A. Clean it. B. Thermal paste. C. Pop up the CPU at a 45º angle. D. Wear an ESD wrist strap.
A. Clean it B. Thermal paste D. Wear an ESD wrist strap
A network technician needs to create a sandbox that has an isolated environment to analyze viruses, worms, and Trojans. What is the most appropriate environment for the technician to do this in? A. Client-side virtualization B. Server-side virtualization C. Application virtualization D. Container virtualization
A. Client-side virtualization the most appropriate environment. As the guest OS will contain malware, it cannot infect the technician's computer or network without misconfiguration of the host.
A desktop technician just fixed an issue where a computer would not connect to a network and verified the computer is communicating with the network again. What should the technician do now that will help with future troubleshooting efforts? A. Document findings. B. Test the theory. C. Establish a plan of action. D. Refer to vendor instructions.
A. Document findings
An organization that does not support the autodiscovery feature for email servers is deploying new phones to its team. A user is configuring their email server on their new device. What options could the user enter in the incoming mail server field to implement a proper configuration? (Select all that apply.) A. FQDN B. IP address C. SMTP server address D. Ports
A. FQDN B. IP address
A company uses cell phones that do not have SIM cards and can only be managed by a specific network provider. The company wants to buy 3G cell phones that have SIM cards so they can switch to any chosen provider. What network type best suits the company's needs? A. GSM B. CDMA C. PRL D. LTE
A. GSM Global System for Mobile Communication (GSM) allows subscribers to use a removable subscriber identity module (SIM) card to use an unlocked handset with their chosen network provider.
A traveling user looks to purchase a smartphone that has a high tolerance for differing environments. This includes indoor and outdoor use. What ingress protection (IP) rating does the user look for when wanting to protect the device from solids as best as possible? A. IP67 B. IP57 C. IP58 D. IPX8
A. IP67 Some mobile-device cases provide a degree of waterproofing. Waterproofing is rated on the ingress protection (IP) scale. The first (6) is a rating for repelling solids. In this case, dustproof.
A user states that a mobile phone does not hold a very good charge. What might the cause be? (Select all that apply.) A. Improper battery charging B. Lack of power management C. An aging battery D. Daily use of the device
A. Improper battery charging B. Lack of power management C. An aging battery
A support technician opened a PC case and observed a modern small computer system interface (SCSI) connector plugged into the motherboard. What can the technician know to be true about the connector? A. It is likely connected to the hard disk. B. Each device on a wide SCSI bus must be configured with a unique ID, from 0 to 68. C. It transfers data 1 bit at a time. D. It only supports 1 device at a time.
A. It is likely connected to the hard disk SCSI connectors are commonly used to connect hard disks, as well as other storage devices like tape drives, CD/DVD drives, and external storage devices.
A network technician troubleshoots an issue where the video conferencing system keeps freezing up and dropping out. The technician determines that the router is not processing the signal fast enough. What is this type of issue known as? A. Latency B. VoIP C. QoS D. Jitter
A. Latency
A technician needs to replace a solid-state disk (SSD) in a user's laptop. The technician requested the purchasing department to order a drive that has higher bus speeds than other SSDs and fits into a PCI Express bus. Which drive type does the purchasing department order? A. M.2 B. mSATA C. SATA D. uSATA
A. M.2 usually interfaces with the PCI Express bus, allowing much higher bus speeds than SATA. M.2 adapters can be of different lengths.
A hardware technician installed a new power supply unit (PSU) in a workstation and removed any unnecessary power connector cables. What type of PSU did the technician install? A.Modular B.Redundant C.ATX D.ATX12V
A. Modular Modular PSU's have detachable power connector cables which can reduce the number of cables to the minimum required
A printer support technician at a corporate office receives a call from the administrative office that their laser printer is online, but office employees can not print. When examining the printer, the technician finds paper lodged in the fuser unit. What type of error is this? A. Paper jam B. Print quality issue C. Carriage mechanism fault D. Incorrect page orientation
A. Paper jam
A network technician uses a switch configuration interface and sees that a port is continually transitioning between up and down states. What does the network technician witness? A.Port flapping B.Slow network speeds C.RSSI D.QoS
A. Port flapping
An employee receives a brand-new inkjet printer. The output prints documents and photos that appear skewed. What is the correct maintenance step the employee needs to perform on the printer? A. Print head alignment B. Print head cleaning C. Load roller replacement D. Eject roller replacement
A. Print head alignment improper alignment of the print head will make output media appear skewed when printed. Calibrating the printer will correct this.
All the employees in a lawyer's office communicate with the internet and each other through the same appliance. What kind of network is the office using? A. SOHO B. Zigbee C. PAN D. MAN
A. SOHO small office home office, using a single networking appliance to provide LAN and internet connectivity
Rather than purchasing a fixed number of software licenses, a business only wants to pay for the number of licenses they actually need at any given time. What kind of cloud service model is this business pursuing? A. SaaS B. IaaS C. PaaS D. DaaS
A. SaaS Software as a service (SaaS) provisions software licenses for a given number of seats so that a business would access software hosted on a supplier's servers on a pay-as-you-go arrangement.
A network technician gathers requirements to implement virtualization. Which of the following resource requirements will the technician need to employ? (Select all that apply.) A. Virtualization support enabled on the CPU B. Memory above what the OS requires C. Low storage requirements D. A virtual network environment
A. Virtualization support enabled on the CPU B. Memory above what the OS requires D. A virtual network environment
An engineer is designing a new computer system and wants to provide active cooling to improve airflow and dissipate heat from around the components. What will the engineer use in the system? A. Heat sinks B. Fans C. Thermal paste D. Thermal pads
B Fans
A technician must determine why a computer is overheating. Which of the following may be the cause? (Select all that apply.) A. Blanking plates are covering holes. B. A fan is not working. C. The area is too warm. D. There is an invalid cable specification.
B. A fan is not working C. The area is too warm
A support technician at a corporate office needs to recommend a new laser printer for the administrative office. The office personnel requests a printer that will automatically print on both sides of the paper. What does the technician need to look for to make the proper decision on which printer to purchase? A. Paper handling B. Duplex unit C. Finisher unit D. Input tray capacity
B. Duplex unit A duplex unit allows for automatic double-sided printing of media during the printing process. Without this function, pages must be manually reloaded into trays to print on both sides.
A user's Apple iPhone allows them to bypass the screen lock using biometric authentication. Which of the following are biometric authentication methods the user can configure? (Select all that apply.) A. PIN B. Fingerprint reader C. Facial recognition D. Voice recognition
B. Fingerprint reader C. Facial recognition D. Voice recognition
When an employee prints to a newly installed printer, the printed pages only have a few characters on each page. What type of error is this? A. Print quality issue B. Garbled print issue C. Printer connectivity issue D. Print spooler issue
B. Garbled print issue When a printer prints multiple blank pages or pages with only a few characters on them, this is garbled printing. This commonly occurs because of a missing or incorrect print driver.
To mitigate the heat a high-end gaming system will generate, an engineer is using a liquid-based cooling system in the design. Which of the following components are NOT a part of an open-loop, liquid-based cooling system? A.Fans B.Heat sinks C.Water blocks D.Water loop
B. Heat sinks Block of copper or aluminum with fins which expose a larger surface area around the component to the air
A support technician at a corporate office needs to recommend a new laser printer for the administrative office. One of the considerations is the speed of the printer. How is the basic speed of a printer measured? A. Output tray capacity B. Pages per minute (PPM) C. Dots per inch (DPI) D. Pixels per inch (PPI)
B. Pages per minute (PPM)
A laptop has an internal battery that requires tools to access and remove. What step should a repair technician take prior to opening the laptop to install a replacement? (Select all that apply.) A. Discharge the battery. B. Power the laptop off. C. Disconnect the AC power. D. Charge the battery.
B. Power the laptop off C. Disconnect the AC power
The office inkjet printer is missing lines when it is printing. What is the correct maintenance step that needs to be performed in the printer? A. Print head alignment B. Print head cleaning C. Load roller replacement D. Eject roller replacement
B. Print head cleaning A blocked or dirty print head nozzle will show on the printed material as a missing line. This can typically be corrected by running a print head cleaning cycle.
For security reasons, an organization needs to ensure that its information is isolated and managed only by its employees. What cloud model should this organization adopt? A. Public B. Private C. Community D. Hybrid
B. Private
Company employees access the same resources on the internet many times a day. As such, a network administrator configures a solution that forwards traffic to and from the internet and also caches content to improve performance and reduce bandwidth consumption. What solution is the administrator implementing? A. NAT B. Proxy server C. UTM D. Load balancer
B. Proxy server
A user notices that a smartphone is not functioning properly. Switching between applications takes an excessive amount of time. What symptoms should a technician look for? A. Power drain B. Resource usage C. Data usage D. Malware activity
B. Resource usage Poorly coded apps and malware can cause high resource usage which potentially leads to overheating problems for a device
A network technician trains a new employee on the company devices they received during orientation. Which devices will have both a front and rear camera? (Select all that apply.) A. Digital camera B. Smartphone C. Tablet D. Webcam
B. Smartphone C. Tablet
A hardware technician is following CompTIA's A+ troubleshooting model for diagnosing a monitor with a squiggly screen. The technician suspects the monitor screen is squiggly because it is located directly under a fluorescent light. What is the next step the technician should take? A. Identify the problem. B. Test the theory. C. Establish a plan of action. D. Verify full system functionality.
B. Test the theory
A user would like to take advantage of biometric technology for a quicker and more secure login to a laptop. The user discovers the laptop has no built-in technology for biometrics. What solution does the IT department offer? A. Near-field scanner B. USB peripheral device C. Keyboard replacement D. Touchpad replacement
B. USB peripheral device
What type of printer builds a solid object from successive layers of material? A. Inkjet printer B. Laser printer C. 3-D printer D. Thermal printer
C. 3-D printer
A developer wants to ensure that all the clients that use their application are always using the latest most updated version. How can the developer make sure of this? A. Client-side virtualization B. Server-side virtualization C. Application virtualization D. Container virtualization
C. Application Virtualization
A printer support technician at a corporate office receives a call from the administrative office that the office inkjet printer is online but it is making grinding noises when attempting to print. What type of error is this? A. Paper jam B. Print quality issue C. Carriage mechanism fault D. Incorrect page orientation
C. Carriage mechanism fault holds the ink cartridges in an inkjet printer. Grinding noises during printing are a symptom of a carriage mechanism fault.
A support technician at a corporate office needs to recommend a new multifunction printer for the administrative office. Since the office commonly prints and scans photos and high graphic items, the technician needs to select a multifunction printer that will meet this need. What characteristics should the technician review to choose the correct multifunction printer? (Select all that apply.) A. Output tray capacity B. Pages per minute (PPM) C. Dots per inch (DPI) D. Pixels per inch (PPI)
C. Dots per inch (DPI) D. Pixels per inch (PPI)
A warehouse user reports an issue with a laptop to the IT helpdesk. The issue is that the laptop becomes very hot after only a few minutes of use whether it is plugged in or not. The user states that laptop use is under the usual circumstances. What does IT conclude the likely problem to be? A. Faulty AC adapter B. Battery discharging C. Dust and debris D. Room temperature
C. Dust and debris
A network technician is working from a coffee shop and does not want to use their insecure wireless connection. What can the technician enable on his smartphone to provide his laptop with his own Wi-Fi connectivity? A. Airplane mode B. Cellular data networking C. Hotspot D. Bluetooth
C. Hotspot
A network technician is purchasing new displays for the graphics design team. Which type of thin-film transistor (TFT) will be optimal for supporting that type of work? A. TN B. Digitizer C. In-plane switching D. VA
C. In-plane switching uses crystals that rotate rather than twist. The main benefit is to deliver better color reproduction at a wider range of viewing angles making it the best TFT option for graphics design work.
Enterprises use different deployment models to specify how they provision mobile devices and apps for employees. Which function of enterprise management allows the organization to perform remote wipes on devices? A. App store B. EMM C. MDM D. MAM
C. MDM Mobile device management (MDM) sets device policies for authentication, feature use (camera and microphone), and connectivity. MDM can also allow device resets and remote wipes.
A technician plans a memory upgrade for a fleet of computers for sales users. When evaluating the various types of memory modules, what module types are commonly used for ultraportable laptops? (Select all that apply.) A. DIMM B. SODIMM C. Mini-DIMM D. Micro-DIMM
C. Mini-DIMM D. Micro-DIMM
A network technician configures a foundational cloud setup that will allow the developers to start all application development using a standardized server and database setup. What type of cloud service model is the technician configuring? A.SaaS B.IaaS C.PaaS D.DaaS
C. PaaS Platform as a service (PaaS) would deploy servers and storage network infrastructure (as per IaaS) but also provide a multi-tier web application/database platform on top.
A support technician at a corporate office needs to recommend a new laser printer for the administrative office. The office prints multiple types and sizes of documents, labels, envelopes, and other materials. What does the technician need to look for to make the proper decision on which printer to get? A. Output tray capacity B. Pages per minute (PPM) C. Paper handling D. Input tray capacity
C. Paper Handling sizes and types of paper media that can be loaded into a printer. It may be important to be able to handle printing documents, photos, and other types of media.
A non-tech savvy laptop user orders a new hard drive from a large online retailer to install in the laptop. When the drive arrives, the user discovers that it is physically too big to install. What size drive did the user order? A. 1.8 in. B. 9.5 mm C. 7 mm D. 3.5 in.
D. 3.5 in. the traditional drive size that is used in desktop systems. These are magnetic drives.
Which of the following central processing unit (CPU) architectures implements a system-on-chip (SoC) where all the controllers, including video, sound, networking, and storage, are part of the CPU? A. IA-32 B. x86 C. x64 D. ARM
D. ARM Advanced RISC Machine (ARM) designs implement an SoC which means that all the controllers, including video, sound, networking, and storage, are part of the CPU.
A user purchased their first smartphone and wants to download useful apps to it. What must the user do before they can use the app store? A. Grant privileges. B. Synchronize between multiple devices. C. Autodiscover. D. Configure an account.
D. Configure an account The owner of a mobile device configures an account when they use the device for the first time. This account manages the apps installed on the device and represents the user on the app store.
A cloud service provider is taking advantage of software-defined networking (SDN) to allow customers to provision and deprovision cloud resources on-demand. Which layer of SDN does the SDN controller operate on? A. API B. Infrastructure C. Application D. Control
D. Control In software defined networking, the SDN controller operates on the control layer between the application layer and the infrastructure layer.
A mobile device user is traveling out of the area and left their device somewhere outside. The user wants to track where they last had their mobile device in order to retrace their steps and find the device. Which of the following options is the system that relies solely on satellite communication to pinpoint a device's location and help the user find their device? A. Geolocation B. Location Service C. Near Field Communication D. Global Positioning System
D. Global positioning system
When printing to a multifunction printer, the printer staples the pages sideways. What type of error is this? A. Paper jam B. Print quality issue C. Carriage mechanism fault D. Incorrect page orientation
D. Incorrect page orientation Incorrect orientation (portrait or landscape) will cause the output media to print incorrectly. For example, a finishing tray may incorrectly staple, fold, or punch media if the user does not place the pages in the correct orientation.
A support technician at a corporate office needs to recommend a new laser printer for the administrative office. The office personnel requests a printer that they will not have to refill as often as their current printer. What does the technician need to look for to make the proper decision on which printer to get? A. Output tray capacity B. Pages per minute (PPM) C. Paper handling D. Input tray capacity
D. Input tray capacity The input tray capacity is the total number of pages per media type that the printer can support.
A user returned a new laptop to the helpdesk with complaints that the screen was too dark and that the desktop image they put on it burned into the display. What kind of display does the laptop have? A. Touch screen B. LED C. TFT D. OLED
D. OLED In an organic light-emitting diode (OLED) display, or technically an advanced matrix OLED (AMOLED), the panel does not require a separate backlight but the screen is darker and images burn into the screen easier.
A printer support technician at a corporate office receives a call from the administrative office that their printer is showing online, but nothing is printing out. When checking the print server, there are multiple documents queued for the printer. What type of error is this? A. Print quality issue B. Garbled print issue C. Printer connectivity issue D. Print spooler issue
D. Print spooler issue If the printer is online, but multiple jobs are queued and a job cannot be deleted, this is a symptom of a print spooler issue. A restart of the print spooler service may be required
What type of printer uses a heating element to create images on paper? A. Inkjet printer B. Laser printer C. 3-D printer D. Thermal printer
D. Thermal printer
A network technician is configuring hosts to request IP configuration from a server. What protocol is the technician configuring? A. HTTPS B. SSH C. DHCP D. TFTP
Dynamic Host Configuration Protocol (DHCP) which is a protocol used by clients to request IP configuration information from a server.
A support technician is installing a new SATA hard drive on a new computer. What is the best type of cable connector the technician will plug in to supply power to the drive? A. 15-pin connector B. 7-pin connector C. 4-pin connector D. USB connector
A. 15-pin connector The technician will plug in a 15-pin SATA power connector to connect the hard drive to the PC's power supply.
A network technician is upgrading the wireless network so that it can take advantage of "multiple input multiple output" (MIMO) to increase reliability and bandwidth. What standard is the technician upgrading the wireless network to? A. 802.11n B. 802.11g C. 802.11b D. 802.11a
A. 802.11n uses MIMO to increase reliability and bandwidth by multiplexing signal streams from 2-3 separate antennas.
A network technician is checking the records to ensure all the host names match up with the proper IP addresses for the network. What records is the technician checking? (Select all that apply.) A.A B.MX C.FQDN D.AAAA
A. A D. AAAA an address (A) record is a resource record that resolves a host name to an IPv4 address. Network technicians can create and update resource records manually (statically). An AAAA record is a resource record on a DNS server that resolves a host name to an IPv6 address. Client and server computers on the network can generate resource records dynamically.
A support technician is working on a motherboard that is 12" x 9.6" and has seven expansion slots. Which form factor is the technician working with? A.ATX B.mATX C.SFF D.Mini-ITX
A. ATX The Advanced Technology Extended (ATX) specification is the standard form factor for most desktop PC motherboards and is 12 inches wide by 9.6 inches deep and can contain up to seven expansion slots.
A desktop technician was troubleshooting a computer that would not connect to the network and suspected that the network interface card (NIC) was not working. However, when the technician tested the NIC, it was working. What will the technician do next? A. Establish a new theory. B. Implement a plan of action. C. Test the theory. D. Implement preventive measures.
A. Establish a new theory
A network technician troubleshoots a computer that is getting a limited connectivity message and an address in the automatic IP addressing (APIPA) 169.254.x.y range instead of receiving a lease for an IP configuration from the DHCP server. What are some steps the technician should take to troubleshoot this issue? (Select all that apply.) A. Establish the scope of the issue. B. Check the configuration of patch cords. C. Check the VLAN configuration. D. Sample the elapsed time between arriving packets.
A. Establish the scope of the issue. B. Check the configuration of patch cords C. Check the VLAN configuration
A support technician is installing a PCIe card that will use a combination of system memory and dedicated memory. What type of card is the tech installing? A. Graphics B. Sound C. NIC D. Wi-Fi
A. Graphics graphics adapter, also called a video card. Graphics adapters can have up to 12 GB of dedicated memory and may use a mix of dedicated and shared, or system, memory.
A hardware technician is scanning a computer's non-volatile storage devices for errors and infections. Which of the following will the technician include in the scanning? (Select all that apply.) A. Hard disk drives B. Solid-state drives C. Random access memory D. Mass storage devices
A. Hard disk drives B. Solid-state drives D. Mass storage devices
A desktop technician determined that a computer could not connect to the network because the network drop was not working. What possibilities are open to the technician for getting the computer back on the network? (Select all that apply.) A. Repair the drop. B. Implement preventive measures. C. Replace the drop. D. Implement a workaround.
A. Repair the drop C. Replace the drop D. Implement a workaround
A network technician needs to deploy a computer on an Ethernet network and notices that the computer will sit on a shelf directly under a fluorescent light. What type of cable will the technician use? A. STP B. UTP C. Coax D. Fiber optic
A. STP shielded twisted pair cable which provides extra protection against interferences in environments with high levels of external interference, such as fluorescent lighting
A hardware technician is inspecting the notches on a dual inline memory module (DIMM) edge. What will the notches on the edge connector help the hardware technician determine? (Select all that apply.) A. The DDR generation B. If it is compatible with the slot C. How to insert it properly D. If it has a heat sink
A. The DDR generation B. If it is compatible with the slot C. How to insert it properly
An application uses Transmission Control Protocol (TCP) as it requires data to make it to the destination 100% intact. Which of the following are functions of this protocol? (Select all that apply.) A. Uses SYN/ACK packets. B. Uses TFTP. C. Uses negative acknowledgment. D. Uses FIN.
A. Uses SYN/ACK packets C. Uses negative acknowledgement D. Uses FIN
A technician started a PC and, when the vendor's logo came up, pressed the F10 key. What is the technician doing? A. Restarting the PC B. Accessing the system setup program C. Setting a boot password D. Enabling secure boot
B. Accessing the system setup program
A support technician needs to connect the USB port on a portable monitor to an HDMI port on a laptop to extend the laptop's display. What kind of cable will the technician use to accomplish this? A. SCSI B. Adapter C. EIDE D. DVI
B. Adapter
A technician is upgrading the system firmware on a PC. Which of the following is the technician upgrading? (Select all that apply.) A. System settings B. BIOS C. Secure boot D. UEFI
B. BIOS D. UEFI both are types of firmware found on your PC
A computer is processing software instructions on the central processing unit. How is all computer software broken down to be processed? A. Bus B. Binary C. RAM D. System clock
B. BInary
A support technician manages digital displays but has some older computers with video cards that can support both analog and digital monitors. What type of video interface do these older computers have? A. HDMI B. DVI C. VGA D. DisplayPort
B. DVI The older computers have a digital visual interface (DVI) that supports both analog and digital outputs. DVI is no longer in active development and is only on older display devices and video cards.
Every time a user attempts to save a file, the computer shows an error that reads, "Cannot read from the source disk." What kind of issue does this indicate? A. POST issue B. Drive issue C. Power issue D. RAID failure
B. Drive issue A "cannot read from the source disk" error indicates an issue with a fixed disk drive that is failing. Bad sectors typically cause this on a hard disk drive.
A hardware technician is building a server that will process financial data in real time and wants to use error correcting code (ECC) RAM that will detect and correct errors, if possible. What other considerations will the technician need to include to support the ECC RAM? (Select all that apply.) A. Heat sinks B. Extra processor chip C. 72-bit data bus D. `Two 64-bit data buses`
B. Extra processor chip C. 72-bit data bus the extra processor chip is to store the 8-bit checksum the ECC RAM calculates and the 72-bit data bus is needed to support the functions of the ECC RAM in the server
A web designer plans out a new website, including the uniform resource locators (URLs) for each page. What are parts of the URL that the web designer will need to consider? (Select all that apply.) A. File server B. FQDN C. Protocol D. File path
B. FQDN C. Protocol D. File path fully qualified domain name
A network technician is purchasing cellular phones for people who are travelling to a rural area and wants to make sure they will work with the most networks, as the areas do not have the latest cellular technology. What type of phones will help the technician accomplish this? A. CDMA B. GSM C. Firewall D. Router
B. GSM Global system for mobile communication
A technician using the adapter that the manufacturer built into a computer's motherboard wants to join a computer to a new and upgraded network that still uses the most common type of cable to connect. What kind of network is the company using? A. Fast Ethernet B. Gigabit Ethernet C. Fiber optic D. Wi-Fi
B. Gigabit Ethernet The company is using Gigabit Ethernet as many PC motherboards have a built-in 1000BASE-T Gigabit Ethernet compatible adapter.
A technician is troubleshooting an issue with a computer. Although the computer is on the network, the server will not authenticate a user. What kind of problem does this indicate? A. Disk failure B. Inaccurate date/time C. Cabling issues D. Overheating
B. Inaccurate date/time if the date and time aren't synced, security systems like authentication won't work
A network technician sets up the wireless network in such a way that each client device connects to the network via an access point (AP). What type of configuration is this? A. Frequency bands B. Infrastructure mode C. DFS D. Channels
B. Infrastructure mode
A company uses a database that a developer wrote in-house. Since the database is not supported and the developer has left the organization, what is the database considered to be? A. BYOD B. Legacy system C. Embedded system D. UTM
B. Legacy System when a vendor no longer supports a system
An organization located on a large piece of rural property needs to connect its office building on the north side of the property with its warehouse and shipping operation on the south side of the property. The organization decides to connect the locations using long-range fixed wireless. What frequency spectrum must the organization use to ensure that nobody else can use the same frequency band? A. Unlicensed B. Licensed C. 802.11ax D. DFS
B. Licensed an organization purchases the exclusive right to use a frequency band within a given geographical area from the regulator
A technician is troubleshooting a computer that will not turn on. The technician has verified that the wall socket and devices leading to the computer are working correctly. What could remain as an issue? (Select all that apply). A. On-premises distribution circuit B. Motherboard C. Power supply unit D. Power grid
B. Motherboard C. Power Supply Unit
A software developer is creating an application that will run multiple parallel threads through the central processing unit (CPU) at the same time to reduce the amount of "idle time" the CPU spends waiting for new instructions to process. What type of process is the developer taking advantage of? A. Multi-socket B. Multithreading C. Multicore D. Processor extensions
B. Multithreading The developer is taking advantage of multithreading which is when software runs multiple parallel threads through the CPU at the same time to reduce "idle time."
A network administrator configures an authentication, authorization, and accounting (AAA) server. Which component in the AAA server setup does not store authentication credentials, but acts as a transit to forward data between devices? A. Supplicant B. NAP C. RADIUS D. AAA
B. NAP network access point
A technician is troubleshooting a projector that keeps randomly shutting down. What is the most likely cause? A. Burned-out bulb B. Overheating C. Loose cable between the monitor and display D. Incorrect data source
B. Overheating
A network technician needs to replace a broken Ethernet cable. What kind of connector will the technician use to terminate the new cable? A. F-type B. RJ-45 C. SC D. LC
B. RJ-45 Modular RJ-45 connectors terminate twisted pair cabling for ethernet
An energy company is upgrading its systems. The company would like to control the systems with software that communicates with the current programmable logic controllers (PLCs) and new RTUs. What kind of system is the company upgrading to? A. OT B. SCADA C. Embedded system D. ICS
B. SCADA supervisory control and data acquisition
A hardware technician is purchasing mass storage devices and tells the salesperson that they must use flash memory technology. What type of devices will the salesperson show the technician? A. HDD B. SSD C. RAM D. CDs
B. SSD SSD's use flash memory technology to implement persistent mass storage
A technician loans a laptop to employees when they go on travel and each time an employee returns the laptop the technician reformats it and reloads the operating system and all the software. After several years of following this process, the laptop is sluggish and often freezes. What is most likely to cause this to happen? A. Motherboard B. SSD C. RAM D.CDs
B. SSD Solid-state drives (SSDs) use flash chips that are susceptible to a type of degradation over the course of many write operations which would cause the laptop to be sluggish and freeze.
An application developer wants to ensure packets arrive at the destination in the correct order and none are lost when an application communicates across the network. Which protocol will the application developer use? A. UDP B. TCP C. IP D. DNS
B. TCP The Transmission Control Protocol (TCP) can identify and recover from lost or out-of-order packets. Failing to receive a packet or processing it incorrectly can cause serious data errors.
A technician is implementing a feature that will compare hashes of key system state data during the boot process to ensure that nobody has tampered with the system firmware, boot loader, and OS kernel. What feature is this? A. HSM B. TPM C. Encryption D. Boot password
B. TPM trusted platform module (TPM) which, during the boot process, compares hashes of key system state data to ensure they have not been tampered with.
Which of the following statements regarding modern connectors and ports is untrue? A.They use edge contacts. B.They use internal connection points. C.They sometimes use keying. D.They can be reversible.
B. They use internal connection points
A support technician needs to install an optical disk drive in a new tower. Which panel should be removed so that the technician can gain access to the optical drive and connect the cables? A. Through the top panel B. Through the side panel C. Through the rear panel D. Through the bottom of the rear panel
B. Through the side panel
A network technician installs virtual machines in hypervisor software that runs on a host operating system (OS). What kind of hypervisor setup is this? (Select all that apply.) A. Type 1 B. Type 2 C. Guest OS D. Bare metal
B. Type 2 C. Guest OS
An employee is leaving the company and must return any removable storage devices they may have. What devices will the employee most likely return? (Select all that apply.) A. Wireless card B. USB flash drive C. SD card D. RAM
B. USB flash drive C. SD card both are external removable storage devices that the employee may have in their possession where the other two come with the computer and cannot be regularly inserted and removed easily
A company hired a network technician to manage the part of their network that is based on the 802.11 standard. What type of network will the technician be managing? A. LAN B. Wi-Fi C. MAN D. WAN
B. Wi-Fi most wifi networks are based on IEEE 802.11 series of standards
An administrator needs to supply power to a handset through the switch; however, the switch does not support Power over Ethernet (PoE). How can the administrator solve this problem? A. A managed switch B. An unmanaged switch C. A power injector D. A hub
C. A power injector used if a switch does not support PoE. connect one port to the injector and the other port to the device
A network technician troubleshoots a computer on the wired network that is experiencing slow network speeds. Which of the following would NOT be a possible cause for the technician to troubleshoot? A. Improperly terminated patch cords B. Improper speed/duplex configuration C. Another radio source broadcasting at the same frequency D. External interference on the cable
C. Another radio source broadcasting at the same frequency
A support technician opened the case to a PC and saw a square socket component. What component has the support tech located? A. RAM B. Adapter C. CPU D. Drive
C. CPU The support technician is removing the central processing unit (CPU). Unlike any other connectors, the CPU socket is square, and the heat sink and fan are on top of it.
A network technician used a tool that energizes each wire in a cable. When the technician sent energy to some of the wires, the LED on the tool did not light up. What tool was the technician using? A. Toner probe B. Tone generator C. Cable tester D. Loopback plug
C. Cable Tester Test if a wire is conducting a signal
A desktop technician has responded to a user whose computer is running slow. The user claims they did not do anything that would cause the computer to run slow. What should the technician do to try to determine the probable cause of the problem? (Select all that apply.) A. Repair the problem. B. Document the findings. C. Conduct research. D. Question the obvious.
C. Conduct research D. Question the obvious
A technician is troubleshooting a failed redundant array of independent disks (RAID) configuration and is unable to access the RAID configuration utility. What does this indicate? A. Disk failure B. Boot process failure C. Controller failure D. Multiple disk failure
C. Controller failure if you can't access the RAID configuration utility, this indicates that the controller itself is likely to have failed, however the data on the volume should be recoverable
A hardware technician is tearing apart a non-functioning computer to salvage parts and pulls out a memory stick that synchronizes its speed to the motherboard system clock and has a peak transfer rate of 1600MBps. What type of memory has the technician removed? A. SDRAM B. Dynamic RAM C. DDR SDRAM D. ECC RAM
C. DDR SDRAM
A web designer is securely uploading files to a web server. What protocol is the designer using to do this? A. SMB B. NetBIOS C. FTPS D. FTP
C. FTPS File transfer protocol - secure
A user started a brand-new Windows computer and received a "boot device not found" error. When the technician inspects it, what will they suspect the problem is? A. POST B. BSOD C. GPT D. Pinwheel
C. GPT this is a modern boot scheme where the boot information is not on a single sector but still identifies partitions and OS boot loaders.
A small company hired a network technician to upgrade its network. Surprisingly the company was still using a legacy hardware device that configures a network into a star topology. What device was this? A. Managed switch B. PoE-enabled switch C. Hub D. Patch panel
C. Hub
A technician is installing new RAM in a company's workstations. The IT supervisor wants all computers to have ECC RAM to ensure high levels of reliability. Which features are not associated with ECC RAM? (Select all that apply) A. The motherboard and the CPU must support ECC operation for it to be enabled. B. Most motherboards support either UDIMMs or RDIMMs, but not both. C. If a motherboard supports UDIMM, you can use both types synchronously. D. Mixing non-ECC UDIMMs and ECC UDIMMs will work with each other.
C. If a motherboard supports UDIMM, you can use both types synchronously D. Mixing non-ECC UDIMMs and ECC UDIMMS will work with each other
A college that has several campuses located in different parts of the city has hired a network technician. What type of network will the technician be working on? A. LAN B. Wi-Fi C. MAN D. WAN
C. MAN
A technician started up a computer and the power-on self-test (POST) issued a short beep. What does this indicate? A. Motherboard problem B. Faulty speaker C. Normal POST D. POST error
C. Normal POST
A technician retrieved a computer from storage, powered it on, and shortly began to notice a burning smell. What does this indicate? A. Disk failure B. Cabling issues C. Overheating D. Inaccurate date/time
C. Overheating
A technician is wirelessly transferring pictures from their camera to their computer. What kind of network does the technician establish? A. Wi-Fi B. LAN C. PAN D. WLAN
C. PAN personal area network
A support technician is connecting an extended integrated drive electronics (IDE) cable to a PC's motherboard and knows that pin 1 on the cable must match up with pin 1 on the port. How can the tech know where pin 1 is on the cable? A. Pin 1 has a blue stripe. B. Pin 1 has a black stripe. C. Pin 1 has a red stripe. D. Pin 1 has a grey stripe.
C. Pin 1 has a red stripe On the cable, pin 1 has a red stripe. Manufacturers also key the connectors to prevent technicians from inserting them the wrong way around.
A technician is troubleshooting a video display that is fuzzy. What has caused this? A. Insecure connector B. Burn-in C. Resolution mismatch D. Incorrect color display
C. Resolution mismatch this typically happens if the video card's driver is faulty or incorrectly configured
A company hired an administrator to manage their computers that host the employees' shared resources and applications. What kind of computers will the administrator manage? A. Client B. SAN C. Server D. Datacenter
C. Server A company dedicates a server computer to running network applications and hosting shared resources
A network technician is trying to locate the Cat 6A cable in a closet full of unmarked boxes with different types of cabling in them. How will the technician be able to tell which cable is Cat 6A? (Select all that apply.) A. The words "twisted pair cable" is on the cable jacket. B. The TIA/EIA standard is on the cable jacket. C. The Cat specification is on the cable jacket. D. The cable type is on the cable jacket.
C. The Cat specification is on the cable jacket D. The cable type is on the cable jacket
A support technician needs to install a legacy peripheral component interconnect (PCI) sound card. Which of the following statements about PCI is NOT true? A. PCI Express supersedes PCI. B. PCI uses parallel communications. C. The PCI card can fit into the PCIe slot. D. PCI is software compatible with PCIe.
C. The PCI card can fit into the PCIe slot. PCIe (Peripheral Component Interconnect Express) motherboards can include PCI ports to support legacy adapter cards, but PCI cards cannot fit into PCIe slots.
A network technician must allow employee computers to securely connect to the corporate network from alternate locations. What is the best method for the technician to use? A. DMARC B. DHCP scope C. VPN D. VLAN
C. VPN
A developer wants to ensure that no matter what server an administrator deploys their application on, it has all the libraries and dependencies needed for the application to operate properly. How can the developer accomplish this? A. Client-side virtualization B. Server-side virtualization C. Application virtualization D. Container virtualization
D. Container virtualization enforces resource separation at the OS level and includes the variables and libraries required by the application process in the container.
A networking student is learning about IP addressing and discovers which of the following facts are NOT true regarding IPv6? A. Divided into two main parts. B. Will replace IPv4. C. Expressed in hexadecimal notation. D. Expressed in dotted decimal notation.
D. Expressed in dotted decimal notation IPv4 is actually expressed in dotted decimal notation, but IPv6 is expressed in hexadecimal notation
A company hires a network technician who is reviewing the network setup documentation. The technician sees that the company has fiber optic cable running all the way up to the building. This represents what type of connection? A. FTTC B. VDSL C. ONT D. FTTP
D. FTTP Fiber to the Premises
A network technician is configuring an email connection that will have a permanent connection to the mail server. What kind of email connection is the technician configuring? A. SMTP B. HTML C. POP3 D. IMAP
D. IMAP internet message access protocol supports permanent connections to a server and connecting multiple clients to the same mailbox simultaneously
A support technician plugged a monitor with a USB C cable connector into a USB C port on the computer, but the monitor would not function. Why would the monitor not work? A.It was not an HDMI cable. B.It was not a DisplayPort cable. C.It was not a Lightning cable. D.It was not a Thunderbolt cable.
D. It was not a Thunderbolt cable USB-C may not work for display purposes without a Thunderbolt-capable cable. Thunderbolt uses the same connectors as a USB-C cable.
As traffic is overloading an organization's website, the network administrator sets up another web server. What will the administrator configure to distribute traffic between the two servers? A. NAT B. Proxy server C. UTM D. Load balancer
D. Load Balancer
A network technician is upgrading a grocery store's checkout lines with contactless payment devices. What type of wireless technology are the payment devices based on? A. 802.11a B. Bluetooth C. RFID D. NFC
D. NFC near-field communications
A network technician wants all PCs on the network to go to a server to get their boot settings. What boot option in system settings will the technician configure on the PCs? A. Fixed disk B. Optical drive C. USB D. Network/PXE
D. Network/PXE
A network technician is installing a device with an inductor that will copy all the traffic coming through the cable to a monitor port. What type of device is the technician installing? A. SMF B. MMF C. Active TAP D. Passive TAP
D. Passive TAP Passive test access point, a box with ports for incoming and outgoing network cabling that physically copies the signal from the cabling to a monitor port
A system engineer is configuring fault tolerance with a configuration that uses a logical striped volume with two mirrored arrays. What redundant array of independent disks is the engineer using? A. RAID 0 B. RAID 1 C. RAID 5 D. RAID 10
D. RAID 10 The engineer is configuring RAID 10 which is a nested RAID configuration that combines a logical striped volume (RAID 0) configured with two mirrored arrays (RAID 1).
A network technician securely connects to a remote server on port 3389. What protocol does the technician use? A. LDAP B. SSH C. Telnet D. RDP
D. RDP remote desktop protocol for operating remote GUI
A cloud administrator configures a cloud instance to increase its resources during times of high utilization and decrease its resources when peak utilization times end. What cloud characteristic does this represent? A. HA B. Scalability C. Metered utilization D. Rapid elasticity
D. Rapid Scalability
An energy company needs to protect trade secrets and wants to ensure that none of its PCs are hijacked by malware. Since there are no shared computers in the organization, what can a technician enable to ensure that will not happen? A. TPM B. HSM C. Encryption D. Secure boot
D. Secure boot part of UEFI firmware designed to prevent malware from hacking the computer
A manager directs a support technician to plug a device into the communications (COM) port. What port is the manager referring to? A. IDE B. SCSI C. USB D. Serial
D. Serial In Windows, the serial port, or Recommended Standard #232 (RS-232) port, is also known as a communications (COM) port.
A hardware technician is upgrading a device with multiple, identical central processing unit (CPU) packages. What class of computer is the technician most likely upgrading? A. Workstation B. Mobile C. Desktop D. Server
D. Server The technician is upgrading a server-class computer. Server motherboards are often multi-socket, meaning that the technician can install multiple, identical CPU packages.
A security technician is installing a doorbell/video entry system for a customer so that the customer can see and communicate with people who come to their home when they aren't there. What kind of device is the doorbell/video entry system? A. Zigbee B. Hub and control system C. OT D. Smart device
D. Smart device
A network technician is upgrading a legacy network for a small business and is replacing their legacy hub with a device that learns MAC addresses and uses them to forward frames to only the destination port, rather than sending them out to every port. What kind of device is the technician replacing the hub with? A. NIC B. Patch panel C. PoE D. Switch
D. Switch
A network technician is purchasing a digital subscriber line (DSL) service for a business that transfers large amounts of data back and forth between branches. What is the best connection type for the business? A. ADSL B. ISP C. PSTN D. Symmetric DSL
D. Symmetric DSL offer the same uplink and downlink speeds and are of more use to businesses and for branch office links where more data passes upstream than with normal internet use
A video production company uses removable media to transport multimedia files to partner and customer sites. Often, the media has to be prepared with only very short notice. In the past, the time taken to transfer files from the development workstations has resulted in delays and missed appointments. To mitigate this issue, the company has procured USB 3.2 Gen 2x2 storage devices and Windows PC workstation expansion cards. The devices and expansion cards support multiple USB hardware port types. Which of the following adapter cables will enable the devices to take full advantage of the highest transfer rate? A. Type A to Type A with USB 3 compatibility (denoted by a blue tab) B. Type B Micro to Type A with USB 3 compatibility (denoted by a blue tab) C. Lightning to Type A D. Type C to Type C
D. Type C to Type C Type C connectors and ports support data transfers at the USB 3.2 Gen 2x2 20 Gbps rate. The connector is also much smaller than Type A and is reversible. These improvements mean that other USB connector form factors are being phased out.
A hardware technician is purchasing more servers for an organization and needs to ensure the power supply units in the data center have the correct output to support them. What is a power supply unit's output capability measured as? A. Power B. Voltage C. Watts D. Wattage rating
D. Wattage Rating The wattage rating is the measurement of the power supply unit's output capability. Servers have units rated over 300 W to meet the demands of multiple CPUs, additional memory modules, etc.
A wireless network technician is upgrading the access points in a conference center to provide better Wi-Fi connectivity during conferences. What standard will provide connectivity to the most clients? A. MU-MIMO B. Wi-Fi 5 C. OFDMA D. Wi-Fi 6
D. Wi-fi 6 can support up to 8 clients, giving it better performance in congested areas
