IT Support and Network Troubleshooting Flashcards

These flashcards are designed to help students review key concepts, tools, protocols, and troubleshooting techniques relevant to IT support and network management.

A user reports that their PC can not access the internet and internal network resources. The user also reports that the internet is intermittent throughout the day. A technician confirmed that the Ethernet cable is connected securely to the PC and the wall port. What tool should an engineer bring with them to investigate this further?

Cable tester

A consumer new to iOS devices is unsure of the type of cable required to charge their new iPhone 14. The consumer would like an extra cable to keep in a home office. What type of proprietary cable does the consumer look to purchase?

Lightning

A company building is under construction and a technician is getting ready to install communication wires. What can a technician use to make the installation simpler?

Plenum

Which redundant array of independent disks (RAID) applies a strategy that is the simplest way of protecting a single disk against failure by using a mirrored drive configuration with two disks?

RAID 1

After running a Self-Monitoring, Analysis, and Reporting Technology (SMART) diagnosis on a computer, with extended read/write times, the input/output per second (IOPS) matches the vendor's baseline. What could be the problem?

Limited hard drive capacity

A technician has tested a computer with extended read/write times and found it to have IOPS reduced from vendor baselines. What should the technician do next?

Make data backups.

An IT support specialist updated all the information systems in the office last week, and the users are complaining that the routinely used applications no longer work. What is most likely the issue breaking the applications?

Legacy software

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

SODIMM

A user has a TV connected as a presentation monitor but cannot play audio through the TV. The technician has verified that the cables are good and has chosen the correct output. What might fix the problem?

Unmute the TV.

What tool is also known as a universal serial bus (USB) drive, thumb drive, or pen drive?

Flash drive

What does the Microsoft Windows 'Programs and Features' applet allow the user to manage?

Legacy software/OS

While planning a new virtual environment, a systems engineer noted that one virtual machine (VM) would run a Windows OS and store two snapshots at all times. The VM will need to have at least 80 GB in its hard disk drive for the VM to function properly. What is the systems engineer considering when planning this aspect of the new virtual environment?

Resource requirements

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

Enter a PIN.

A manager needs to electronically sign many documents while using a laptop. Precision is not required, and there is very little money in the budget to spend. What does the manager choose to use as a solution?

Touchpad

The IP address range 172.16.0.0 to 172.31.255.255 is not routable on the Internet. Which class of private addresses is this considered?

Class B

A startup legal office has specific software needs that are unique to the practice of law. The law firm partner would like to pay software developers to create a custom application but is concerned that the firm does not have the funds. The firm's IT manager has recommended that it use existing applications instead of paying for a new app to be developed. What service is the IT manager suggesting to the firm's partner?

Software as a service (SaaS)

A user has a newly issued smartphone that has corporate communication software installed. Which of the following options will NOT sync with Microsoft Exchange?

Texts

What should a technician check if a flat panel monitor exhibits several black dots?

Check for warranty replacement.

What could solve the issue of a cursor jumping around on a laptop while typing? (Select two)

Disable the touchpad, Configure input options.

What channel types would allow a system to revert when full complements of memory modules are not installed? (Select two)

Quad-channel, Triple-channel.

What does a label above a workstation's RJ-45 port indicate?

Patch panel.

What connector carries visual displays from a PC to a monitor and is usually blue?

VGA.

Which category of cabling standards refers specifically to healthcare facilities for running distribution system cables?

Cat 6A.

What tab changes the page view from portrait to landscape?

Orientation.

What power supply method reduces cable clutter and improves airflow?

Modular power supply.

What technology pairs a smartphone or tablet for audio purposes in cars?

Bluetooth.

What option must IT administrators configure to disable location services on mobile devices?

Global Positioning System.

What recommendation is best for a growing manufacturing company to manage controlled systems across plants?

SCADA.

What type of login implementations allow for mobile device user logins using smart cards or fingerprint scanners? (Select two)

Near-field, Biometrics.

What component is likely omitted in a budget laptop to lower its price?

Webcam.

What should a user check if their phone's charge lasts only two hours?

Charging cable.

What category do remote wipe, locator apps, and device encryption fall into for virtualized environments?

Security requirements.

What can ensure a computer receives a specific IP address without setting a static IP?

DHCP reservation.

What protocol makes files available for download across a network using ports 20 and 21?

File Transfer Protocol.

What is the next step after confirming a monitor is powered but blank?

Check if the monitor connects to the computer.

What type of cable will a user need to charge a loaner Android mobile phone during business travel?

USB.

What is the first step when a new printer produces double images?

Clean the drum.

What are the basic properties needed for firewall ACLs? (Select three)

Protocol, MAC address, Block/Allow property.

What is the typical use of virtual desktops based on guest OS hypervisor?

Testing and development.

What component stores digital images in cameras?

Memory card.

What should a technician do if they suspect a mobile device has liquid damage?

Power off the device.

What cloud option allows a business to own its infrastructure with maximum privacy?

Private cloud.

What connector type can be used on a 20-pin main power connector for the motherboard? (Select two)

24-pin, 20-pin.

What is the most up-to-date DDR RAM version supporting non-ECC and ECC?

DDR5.

Where would hardware requirements for a VM with an 8 core CPU and 500 GB RAM be listed?

Resource requirements.

What can a user do if their laptop cursor is jumping around? (Select two)

Disable the touchpad, Configure input options.

What component did a consumer omit for cost when buying a cheap laptop?

Webcam.

Which motherboard size is used in small, low-power systems?

ITX.

What type of connector should a user utilize to connect a gaming console to a television?

HDMI.

What information helps diagnose intermittent shutdown issues?

Circumstances when shutdown occurs.

What devices form the foundation for a network with segmentation for sensitive data?

Managed switches.

What can sandboxes analyze and provide isolated environments for?

Testing and development.

What components are NOT integrated into the motherboard? (Select all that apply.)

CPU Socket, Solid State Drive, CMOS, Northbridge.

What technology can impair independence for residents with disabilities? (Select one)

IoT.

What tool would help a technician identify a label for an unlabeled wall port?

Toner probe.

What issue could limit hard drive capacity as identified in SMART diagnostics?

Limited hard drive capacity.

What modem is used to connect to the internet in the 'local loop'?

DSL modem.

What login implementation uses a fingerprint or smart card reader for mobile devices? (Select two)

Near-field, Biometrics.

What cloud deployment model is used by a holiday decor store during peak seasons?

Hybrid cloud.

What should be checked next after users report issues accessing a specific file server while others work?

Check the server's IP address.

What can solve the loud popping noise and display outage of a projector?

Use a new bulb.

What component is not working properly if a computer generates excess heat?

Fan.

Which wireless standards operate in the 2.4 GHz band? (Select three)

802.11g, 802.11n, 802.11b.

What is the likely problem if a monitor's display is dim?

Failed display backlight.

What has overheated if thick paper is used in a laser printer?

Fuser unit.

What can a systems engineer consult to verify patch requirements on virtual machines?

Security requirements.

What is the best service model for a government organization that does not want to maintain hardware?

Platform as a service (PaaS).

What is causing a laptop to not see an external hard drive borrowed from a friend with a MAC?

Incompatible file structures.

What causes the 'Boot device not found' error? (Select two)

Faulty disk, File corruption.

What solution would an organization use to enumerate and gather detailed events from network devices?

Syslog appliance.

What software allows devices and printers to connect over a network?

Print server.

What could fix a pairing process issue between a Bluetooth keyboard and tablet?

Enter a PIN.

What is the best thing to check when a computer display shows 'no input' despite proper connection?

Change the display source.

What internal component allows a mobile device to acquire touch input?

Digitizer.

What record directs network requests from dev23.company.net to an IP address?

(A) record.

What is the cost-effective solution for a manager needing to sign documents electronically?

Touchpad.

What proprietary cable is needed to charge an iPhone 14?

Lightning.

What can send audio and video over a single cable besides HDMI?

DisplayPort.

What could cause a projector to make a pop sound?

Burned-out bulb.

What paper is used by a dot matrix printer? (Select two.)

Tractor-fed paper, Impact paper.

What cable type is needed to charge a loaner Android phone?

USB.

What is the first step to resolve double images from a printer?

Clean the drum.

Which type of memory is used in laptops with integrated circuits?

SODIMM.

What characteristics do firewall ACLs need to implement security features? (Select three)

Protocol, MAC address, Source and destination network/device.

What is a typical use for virtual desktops based on guest OS hypervisors?

Testing and development.

What component holds digital image storage in a camera?

Memory card.

What should a technician do first with a possibly liquid-damaged mobile device?

Power off the device.

What cloud model gives a business full control over its infrastructure?

Private cloud.

What connector can be used on a motherboard's 20-pin power connector? (Select two)

24-pin, 20-pin.

What DDR RAM version is the latest supporting both ECC and non-ECC types?

DDR5.

Where would hardware requirements for a VM with an 8-core CPU and 500 GB Memory be listed?

Resource requirements.

What could solve a laptop cursor jumping problem? (Select two)

Disable the touchpad, Configure input options.

What component did a consumer likely leave out when purchasing a low-cost laptop?

Webcam.

What type of motherboard is used in small, low-power applications?

ITX.

What connector should a user connect a gaming console to a TV with?

HDMI.

What should be checked first when a customer's website shuts down unexpectedly?

Circumstances when shutdown occurs.

What devices enable network segmentation for access control in sensitive data?

Managed switches.

What can a sandbox environment be used for besides virus analysis?

Testing and development.

What components are generally not found on a motherboard? (Select all that apply.)

CPU Socket, Solid State Drive, CMOS, Northbridge.

What technology can be used to assist individuals with disabilities? (Select one)

IoT.