CompTIA+ 1

Question 1

The TIA/EIA-568-C Commercial Building Telecommunications Cabling Standards have specific recommendations for health care facilities with PoE 802.3bt installations, and for running distribution system cable to wireless access points. Which Cat does this refer to?

A. Cat 5
B. Cat 6
C. Cat 6a
D. Cat 5e

Answer 1

C. Cat 6A is recommended for health care facilities since it supports 10 Gbps over 100m, but the cable is bulkier and heavier than Cat 5e and Cat 6. The installation requirements are more stringent

Question 2

IT systems admins for a company have been busy configuring a fleet of new smartphones for users. Instructions that the admins follow to configure the devices include using a host address and entering a domain as an option; parameter. Which corporate email service does the company use?

A. Google Workspace
B. Microsoft 365
C. Microsoft Exchange
D. Gmail

Answer 2

C. To manually configure a Microsoft Exchange account, parameters such as a host address as well as the choice of whether to use transport layer security (TLS) are required. There is often also an optional field for a domain, but this is usually left blank

Question 3

A user has accidentally put too much paper in the feed. When possible issues might this cause (Select all that apply)

A. Staple jams
B. Hole punching issues
C. Misaligned binding
D. Backed up print queue

Answer 3

A & B. An excessive number of sheets is also the primary cause of staple jams. The main issue with hole punching is exceeding the maximum number of sheets. Make sure print jobs are sent in batches of less than the max permissible sheet count

Question 4

A tech works on a faulty unit and needs to remove and replace a power supply unit without opening the case and without the server losing power. What is this configuration?

A. Redundant power supply
B. Open loop systems
C. Liquid base cooling system
D. Modular power supply

Answer 4

A. Redundant power supplies requires a compatible motherboard. This configuration is more common in server systems than on desktop PCs. Typically, each PSU plugs into a backplane on a server and is hot swappable

Question 5

A network admin is looking at user’s box which seems to have intermittent connectivity issues. Which of the following should they do first?

A. Check the physical cords
B. Check nominal link speed
C. Analyze network congestion
D. See if it received a DHCP lease

Answer 5

A. The first step in resolving a no or intermittent connectivity issue is to check that the patch cords are properly terminated and connected to the network ports

Question 6

A technician installs a type of computer memory into a laptop built using integrated circuits. What is it called?

A. ECC RAM
B. DDR5
C. Virtual RAM
D. SODIMM

Answer 6

D. SODIMM is the smaller form factor packaged for laptop RAM. The memory typically fits into slots that pop up at a 45 degree angle to allow the chips to be inserted or removed

Question 7

A computer has no display on the screen, and it makes continuous beeps after booting. What is likely the problem?

A. System memory problem
B. Keyboard issue
C. Faulty screen
D. Power supply error

Answer 7

A. The continuous beep code indicated a problem with system memory modules or memory controllers which can cause a booting display issue

Question 8

A display manufacturing company is evolving their current model line to offer a new model od splay that does not require a backlight. What technology does not require a backlight as an individual pixel Is self illuminating?

A. LCD
B. TFT
C. LED
D. OLED

Answer 8

D. In an OLED display each pixel is generating be a separate LED meaning the display doesn’t require a backlight

Question 9

A user complains that their phone restarts unexpectedly. However, after trying to isolate the problem, the tech has no idea what is causing the unexpected restarts. What should the technician always consider?

A. Video configuration
B. Malware
C. Battery
D. Digitizer

Answer 9

B. Whenever a device does not function as expected, the tech should always consider malware. Malware or rogue apps are likely to try to collect data in the background. As a result, the device can become unresponsive, and force system crashes

Question 9

A support desk tech must make a custom length Ethernet patch cable for a user’s desk setup. What tool do they need to create this cable? (Select all that apply)

A. Punchdown tool
B. Cable stripper
C. Crimper
D. Snips

Answer 9

B, C, & D. A crimper is used to fix a male jack to a patch cord. A cable stripper is a tool that would score the outer jacket. Snips are needed to cut the custom length cable to size and trim the ripcord and the start filler inside the cable

Question 10

A large real estate agency has acquired a new service from the cloud provider called SaaS. The service will enable the real estate agents to use virtual machines to load their desktops. Which option best describes the service the real estate agency has begun using?

A. Public cloud
B. Private cloud
C. VDI in the cloud
D. VDI on premises

Answer 10

C. VDI in the cloud is often referred to as SaaS and enables users to load their desktops from a hosted in the cloud

Question 11

A technician needs to upgrade components in a laptop. Which component can the technician install without the use of tools?

A. Battery
B. Wireless card
C. Memory
D. SSD drive

Answer 11

A. Laptop computers use removable, rechargeable Lithium-ion battery packs

Question 12

An online retailer uses the cloud to host its infrastructure because the cloud provider guarantees 99.99% service uptime. What benefit of using the cloud has the online retailer been guaranteed?

A. Metered utilization
B. Shared resources
C. High availability
D. Rapid elasticity

Answer 12

C. High availability means that the service experiences very little downtown

Question 13

A user complains that their laptop does not hold a charge for more than 30 minutes, even after charging all night. They also mention that there is an error message when they restart their computer that states something about power. What is likely the problem?

A. Poor battery health
B. Physically damaged charging port
C. Swollen battery
D. Underpowered adapter

Answer 13

D. Using the wrong adapter can cause problems, such as the battery not completely charging

Question 14

A technician replaced a failed drive in a RAID array and noticed a severely degraded performance. What is the problem?

A. There is a faulty disk
B. The controller is failing
C. Takes resources to rebuild the array
D. There is a cable problem

Answer 14

C. After replacing the failed disk in the RAID array, the performance of the array degrades for some time since the array is rebuilding and the system is writing several gigabytes of data onto the new drive

Question 15

A user has a known problem with a system that is solvable by deleting the local user profile. However, what is the next step before moving forward with that solution?

A. Implement plan of action
B. Check corporate policies
C. Formulate a new theory
D. Perform a backup

Answer 15

D. Deleting the local user profile will remove any information saved to the desktop, so the technician must backup any information saved on it

Question 16

A startup company does not have the capital to invest in infrastructure to host their website, nor do they have the capital to hire engineers to manage their cloud environment. At this point, strict access control is not a concern for the startup, but they do not want to share resources with other organizations. Which cloud implementation will best suit the startup’s needs?

A. Public
B. Private
C. Community
D. Hybrid

Answer 16

A. Public cloud will best meet the startup’s needs because it offers subscriptions and pay as you go finances and can even provide lower tier services free of charge. Public clouds are also offered over an internet connection by cloud service providers

Question 17

Which of the following network scan services must the multi-function device (MFD) configure with the path to a suitable file server and shared folder?

A. SMB
B. Scan to cloud
C. Flatbed scanner
D. Scan to email

Answer 17

A. The scan generates as a file on a shared network folder. Each user must have permission to write to the share

Question 18

A growing company is looking to move away from an outside vendor for payment processing and would like to do it in house. As a part of securing the data on these computers, what foundational infrastructure solution should the company implement to keep this data separate from the rest of the company’s internal network?

A. DHCP scope
B. VPN
C. DNS (A) record
D. VLAN

Answer 18

D. A VLAN is a logical network segment using a feature of managed switches to segregate network traffic

Question 19

A user replaces an older laptop that has a TFT display that uses crystals that rotate. Which TFT technology does the display use?

A. OLED
B. TN
C. IPS
D. VA

Answer 19

C. IPS uses crystals that rotate rather than twist. The main benefit is to deliver better color reproduction at a wider range of viewing angles

Question 20

A company has a structured cable system install by a technician. The technician uses a permanent cable that terminates to wall ports and patch panels. Which is the mechanism called?

A. RJ11
B. T568A
C. Punchdown block
D. RJ45

Answer 20

C. A punchdown block is a mechanism used to terminates wires. A technician can use RJ45 to terminate twisted pair cabling for ethernet

Question 21

A user cals to report that they cannot connect to the internet and various other internal resources for their laptop. After a technician asks them what IP address their windows laptop has, they report it has an address of 169.254.0.115. What problem is the user’s laptop having?

A. The laptop has a Class A private address
B. The laptop cannot get an address from the DHCP server
C. The laptop has a misconfigured static IP address
D. The laptop has a misconfigured default gateway address

Answer 21

B. APIPA is a mechanism for Windows host to obtain an address automatically that cannot contact a DHCP server to revert to using an address from the range 169.254.x.y

Question 22

A support technician replaces a WiFi card in a laptop. The following day, the laptop user states that the company WiFi network signal is weaker than it was before. What does the technician find to be the likely problem?

A. The WiFi is not compatible with the new card
B. The incorrect software drivers are installed
C. The antenna is not connected
D. The WiFi card is not seated properly

Answer 22

C. When replacing a WiFi card, it is important to remember to connect the antenna. The connection is usually a wire with a terminating end that snaps onto the card

Question 24

A network technician installs wireless APs in an office and would like to use PoE to power the APs. The current network infrastructure is not capable of doing this. What would the network technician need to install to augment the power requirements for PoE APs?

A. Patch panel
B. Firewall
C. Power injector
D. Managed switch

Answer 24

C. If a switch does not support PoE, a network technician can use a power injector. One port on the injector connects to the switch port. The other port connects to the device

Question 25

A network engineer completes a site survey in an office for wireless connectivity. Given that the signal needs to get through several walls, what wireless frequency band would best suit the engineer’s needs?

A. 2.4 GHz
B. NFC
C. 5 GHz
D. Bluetooth

Answer 25

A. The 2.4 GHz standard is better at propagating through solid surfaces, thus giving it the most extended signal range

Question 26

A user, who is new to computers, insects a laptop to become acquainted with all the physical features. The user finds a small hole in the top bezel of the display. What feature is this?

A. Mic
B. Speaker
C. Webcam
D. LED Light

Answer 26

A. On a laptop, the microphone is exposed by a small hole in the top bezel of the laptop display

Question 27

A tablet user connects a Bluetooth keyboard. What would be expected in the pairing process?

A. Test connectivity
B. Perform a sync
C. Enter a PIN
D. Perform MFA

Answer 27

C. When connecting devices with bluetooth, a security measure of entering a PIN code is usually part of the process

Question 28

A computer has multiple hard drives installed, but the second hard drive does not show up in Windows Explorer. What is a possible problem?

A. Cable or connector fault
B. Over heating
C. Bad Sectors
D. Corrupted boot sector

Answer 28

A. If the system does not detect the disk by a configuration tool, such as Windows Disk Management, the tech will suspect that there is a hardware or cable/connector fault

Question 29

Which of the following allows reducing the number of cables to the minimum required to minimize clutter within the chassis and improve airflow and cooling?

A. Heat sink
B. Thermal pad
C. Modular power supply
D. Redundant power supply

Answer 29

C. A modular power supply has power connector cables that are detachable from the unit

Question 30

A technician needs a connector that offers high speed standards that specify a data rate of 480 Mbps shared between the devices attached to the same host controller. What connector should the tech use?

A. USB 2
B. Lightning port
C. HDMI
D. USB 3

Answer 30

A. USB 2 is a half duplex, which means that each device can send or receive, but not simultaneously

Question 31

What can a technician use on a 20-pin power connector for the motherboard? (Select all that apply)

A. 20-pin
B. 8-pin x2 & 4-pin x1
C. 24-pin
D. 4-pin x5

Answer 31

A & C. The tech can use a 20 pin main power adapter for the motherboard. This is the adapter that was specifically made for it

Question 32

A network engineer must set up an office’s new APs. After installing the APs, the engineer must ensure they set up the radio signals correctly and that all office areas received the most efficient signal possible. What tool will the engineer utilize?

A. Loopback plug
B. Cable tester
C. WiFi Analyzer
D. Toner probe

Answer 32

C. WiFi analyzers software records the AP’s associated statistics and detect other APs in the vicinity

Question 33

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

A. Hub
B. Firewall
C. Patch panel
D. Switch

Answer 33

C. In most types of office cabling, the computer is connected to a wall port and via cabling running through the walls to a path panel

Question 34

How can a technician eliminate overheating as the cause of a sluggish computer?

A. By touching the computer
B. By checking the misconfigurations
C. By checking the temperature sensor
D. By running a speed test

Answer 34

C. Overheating can be verified by checking temperature sensors

Question 35

An electrical wiring vendor is working with a company building a new office building. Regarding copper network cabling, what may be considered common 802.3 Ethernet standards used for this project? (Select all that apply)

A. 100BASE-T
B. 10GBASE-T
C. 1000BASE-LX
D. 1000BASE-T

Answer 35

A, B, & D

Question 36

A network engineer gets a report that a growing number of wireless devices cannot obtain an IP address from the WiFi network. They can see the SSID & authentication is successful, but devices say that they cannot obtain an address. What is most likely the problem?

A. There is no DNS (A) record
B. The VLAN for the wireless network cannot be accessed
C. The DHCP server has run out of reservations
D. DHCP has no more addresses available

Answer 36

D. This problem is due the DHCP having no more addresses available to clients. To solve this they should extend the scope or shorten the lease time to allow more address availability

Question 37

A user calls to report that they cannot connect to the internet and various other internal resources from their laptop. After a technician asks them what IP address their Windows laptop has, they report is has an address of 169.254.0.115. What problem is the user’s laptop having?

A. The laptop has a misconfigured static IP address
B. The laptop has a misconfigured default gateway address
C. The laptop cannot get an address from the DHCP server
D. The laptop has a Class A private address

Answer 37

C. APIPA

Question 38

A developer uses a design that implements a SoC that controls video, sound, networking, and storage as part of the CPU. What is the developer testing?

A. AMD
B. M.2
C. Intel
D. ARM

Answer 38

D. ARM is a processor architecture based on a 32 bit reduced instruction set computer

Question 39

What interface is the PATA?

A. IDE
B. Serial
C. DVI
D. SCSI

Answer 39

A. For many years, the IDE interface was the principal mass storage interface for desktop PC’s

Question 40

A technician is working on a blank computer monitor problem. The monitor power cord is plugged in and receiving power. What is the next step to check?

A. Check for physical damage
B. Check if the monitor connects to the computer
C. Check monitor input settings
D. Check the PSU

Answer 40

B. After verifying that the monitor is getting power, checking that the monitor connects to the computer is the next logical step

Question 41

A user’s phone charge only lasts two hours. The phone is new and has not suffering any damage. What should the user check next?

A. Charging cable
B. Battery utilization
C. Digitizer
D. Overheating

Answer 41

B. Battery utilization will indicate if a particular app is draining the battery excessively

Question 42

A company offers a BYOD program at work. Several users approach the company in an effort to receive reimbursement for changing personal phones to the company’s carrier. This will be done by swapping out a SIM card in devices with which network type?

A. CDMA
B. GSM
C. NFC
D. LTE

Answer 42

B. GSM allows subscribers to use a removable SIM card to use an unlocked handset with their chosen network provider

Question 43

A network technician installs wireless APs in an office and would like to use the PoE features available. The specific model of APs available requires draw of 20W with a minimum current if 450 mA. Which of the IEEE PoE standard best suits this requirement?

A. 802.3bt
B. 802.3af
C. 802.3at
D. 802.11ac

Answer 43

C. 802.3at (PoE+) allows powered devices to draw up to about 25W, with a maximum current of 600 mA

Question 44

What component in a FDM 3-D printer is usually heated to prevent the material from warping?

A. Fan
B. Print bed
C. Filament
D. Extruder

Answer 44

B. Print beds are a flat glass plate that extrudes the material. The bed is heated to prevent the plastic from cooling too quickly and creating a product warp

Question 45

What should a software development company utilize to test software apps that must operate under several different OS and resource constraints?

A. Test development
B. Cross platform virtualization
C. Resource requirements
D. Sandox

Answer 45

B. Cross platform utilization tests software apps under different OSs and resource constraints and is important to ensure the app is compatible across several different environments

Question 46

A important part of testing a new app is running it under several different OSs and resource constraints so the developer can be sure it will work for all customers regardless of their system. What term is used to identify the app testing described in this question?

A. Cross platform virtualization
B. Resource requirements
C. Sandbox
D. Test development

Answer 46

A. Cross platform utilization tests software apps under different OSs and resource constraints and is important to ensure the app is compatible across several different environments

Question 47

What are the manufacturers’ specific recommendations for cleaning and maintaining laser printers? (Select all that apply)

A. Wipe with a soft cloth
B. Use a toner safe vacuum
C. Use a domestic vacuum
D. Use a compressed air blaster

Answer 47

A & B. Wipe dust and toner away from the printer interior or exterior with a soft cloth. Use a toner safe vacuum to get rid of the printer interior or exterior dust

Question 48

A technician upgrades the memory in a laptop computer. Which interface does the memory have?

A. SODIMM
B. PCIe
C. M.2
D. mSATA

Answer 48

A. A smaller form factor called SODIMM packages laptop RAM. The memory typically fits into slots that pop up at a 45 degree angle

Question 49

A network engineer must set up an office’s new wireless APs. After installing the APs, the engineer must ensure they set up the radio signals correctly and that all office areas receive the most efficient signal possible. What tool will the engineer utilize?

A. WiFi analyzer
B. Toner probe
C. Cable tester
D. Loopback plug

Answer 49

A. A network engineer can install WiFi analyzer software to record the APs associated statistics znd detect other APs in the vicinity. This can configure the proper signal strength and channels