IT Foundations Flashcards
Mark is the network administrator in his building and is responsible for training all the new technicians on various troubleshooting techniques. He is instructing them on documenting their actions at the end of the troubleshooting process. What should he NOT encourage them to document at that time?
Theories used
Smith, a technician, is troubleshooting a problem. He has confirmed the cause of the problem and resolved the issue. Which of the following should be the technician’s next step?
Verify full system functionality.
Maria, a user, is unable to access websites and has reported connectivity issues with pop-ups on the screen. John, a technician, removes malware, and then is able to ping the router and access the websites. Which of the following are the next steps that the technician should perform to troubleshoot the issue?
1 ) Verify full system functionality.
2 ) Documents findings, actions, and outcomes.
You are troubleshooting a problem with a computer. After analyzing the problem, you determine a possible cause of the problem. You test your theory, but determine that the theory is not correct. Which two steps could you take next?
1 ) Establish a new theory.
2 ) Escalate the problem.
A network technician is troubleshooting an issue and has established a theory of probable cause. Which of the following steps should the network technician take next?
Test the theory to determine the cause.
What is the order of the steps in the troubleshooting theory?
- Identify the problem.
- Establish a theory of probable cause.
- Test the theory to determine the cause.
- Establish a plan of action to resolve the problem, and implement the solution.
- Verify full system functionality, and if applicable, implement preventive measures.
- Document findings, actions, and outcomes.
Jennifer, a user, wants to use a laptop outside the house and still remain connected to the Internet. Which of the following would be the best choice for her to accomplish this task?
Wireless card
A customer wants to transfer the data from a DVR to a DVD on a workstation. Which of the following cards should be used on the workstation in order to extract the data for archiving?
Capture
You are helping a friend build his new home computer. After completing the assembly, you discover that none of the unused expansion slots have covers, and you cannot find the slot covers anywhere. You suspect that your friend threw them away along with the packing material for the case, thinking that they were simply unneeded metal punch-outs. Why should you go through the trouble of finding new slot covers and installing them on the unused slots?
- To keep foreign objects out of the case.
2. To keep air circulating properly inside the computer case.
A user has been using his desktop computer on a daily basis for over a year now. Today, when he starts his computer, he notices that the computer does not power on. You have been dispatched to troubleshoot this problem. What could be the reason for this?
The power supply is bad.
A user brings his PC to a technician asking for a method to transfer data from a DVR to a DVD. Which of the following cards should the technician advise him to extract the data for archiving?
Video capture
A technician is repairing a workstation that has a power light, but is not displaying anything on the screen and is not making any sounds during boot up. Which of the following should be used to further troubleshoot the workstation?
POST card
Which of the following expansion card types allows remote communications, such as the Internet over the mobile phone?
Wireless
You are instructing new IT technicians on the reasons why a computer’s complementary metal-oxide semiconductor (CMOS) battery should be replaced. Which event is an early indication that you may need to replace it?
The computer’s internal clock loses time at startup.
You have purchased a program that requires a joystick. What types of computer ports could allow you to attach a joystick?
- A USB Port
2. A DA-15 Port
An IBM computer is giving one long beep and one short beep when turned on. The computer does not boot up. What should you do to troubleshoot the problem?
Check the motherboard.
Which two specifications should you consider while selecting the appropriate motherboard form factor?
- Physical Size
2. Power Supply
What is unnecessary when installing a TV tuner adapter card in a computer?
Plugging the TV tuner adapter card into a USB port.
Alice needs to connect many external devices to her PC. What type of expansion card would enable her to connect the largest number of devices?
USB card - provides USB communication capabilities to the computer and usually includes multiple USB ports
You replaced a processor with a newer processor that should run at a much higher speed. However, your system does not identify the processor correctly, and the processor runs at the same speed as the old processor. What could you do to correct this problem?
Update the BIOS.
What type of card should you use to attach both the PCI network interface card and sound card to the computer?
Riser card
What type of expansion card types allows remote communications over the phone or data lines?
Modem
You are performing some hardware upgrades on an old computer. You notice that the computer has an available Peripheral Component Interconnect (PCI) slot. What is an accurate characterization of this architecture?
The PCI architecture supports 32- and 64-bit data transfers.
You were recently hired as an IT technician. The IT supervisor informs you that many of the desktop computers have Advanced Technology Extended (ATX) motherboards. What is a TRUE statement for these computers?
An ATX motherboard can support a maximum of seven expansion slots.
What are the dimensions of an Advanced Technology Extended (ATX) motherboard?
12 inches wide by 9.6 inches deep
You are teaching a class on computer hardware to new IT technicians. You are discussing the component on an Advanced Technology eXtended (ATX) motherboard that supports communication between the central processing unit (CPU) and random access memory (RAM). What component provides this functionality?
Northbridge chip
Which motherboard component is most likely having an issue if the slower onboard peripherals like USB and LAN ports are not functioning properly?
Southbridge
What acronyms represents the extensible technology that supersedes and improves upon the role that the BIOS plays in traditional systems?
Unified Extensible Firmware Interface (UEFI)
What expansion slot uses a serial connection?
PCI Express (PCIe)
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.
Which of the following allows a processor to execute instructions and to read and write data at a higher speed than the regular RAM?
Cache memory
While installing Hyper-V, you receive an error that software is unable to install. What configuration option will you check?
Virtualization support
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. What component should you investigate first to resolve the problem?
The system board jumper settings
You want to enable Hyperthreading (HT) technology in your computer that has an older processor. When you check the BIOS settings, you observe that the HT option appears dimmed. What should you do to enable the HT option in the BIOS?
Upgrade the processor.
Which of the following is a form of microprocessor parallelization where each physical processor is treated as two virtual processors?
Hyper-threading
What is a series of system checks performed during the initial boot-up of a computer system?
Power-On Self-Test (POST)
Aaron has been hired as the new PC repair technician. He has a motherboard that has a Socket AM3+. He has two different Socket AM3 CPUs that have lost their original packaging. What should Aaron do?
Install one of the AM3 processors into the AM3+ socket.
You perform several hardware upgrades on a user’s computer. You notice that the computer has an AMI BIOS. After completing the upgrades, you boot the computer. You hear seven short beeps. Which component should you check?
CPU
Beth’s computer keeps locking up, and she is not sure why. She was told by the intern at her company’s help desk that she should reboot her computer often. However, she has noticed that the computer freezes when she opens more than two programs at a time. Before she upgrades the RAM, what else can she do to help alleviate this problem?
Increase the size of the paging file.
During a class, the instructor discusses technology that allows a single processor to handle two independent sets of instructions at the same time. Which technology provides this functionality?
Hyper-Threading (HT) technology
Christine has a motherboard with a Socket 1156 and has called you to see if a Socket 1150 CPU could be used in its place. What would you recommend that she do?
Purchase a new motherboard that has an 1150 socket.
A user reports that his Windows computer often issues errors about running out of virtual memory. You want to increase the amount of available virtual memory. What should you do?
Edit the size of the paging file in the operating system.
What are you LEAST likely to see as a front-panel connector on a motherboard?
SCSI port
Which CPU-to-front-side bus ratio would provide best performance?
2:1
What CPU cooling method should you implement when other convective methods will not work?
Peltier cooling
After performing several upgrades on a computer, the user reports that he is having trouble with an overheating problem. You want to make recommendations to help prevent the computer from overheating during use. What should you recommend?
Keep the computer cover closed and secured.
Your company has decided to make several computers that will be used for specialized functions. You have been tasked with assembling these computers. Management wants you to ensure that computers will not experience any overheating issues. What components are used to help with this?
- Thermal Compound
- A Fan
- A Heat Sink
You are repairing a computer that contains two processor cores in a single processor package. What processor technology provides this?
Dual-core technology
You have decided to enable overclocking to increase the performance of a computer. On which computer components can you specifically enable overclocking?
- RAM
- System Bus
- Processor
You want to ensure that a computer has a 64-bit architecture and is able to fully utilize 64-bit computing. Which component is NOT important for this purpose?
Memory
You need to assemble a new computer. You have an AMD Opteron processor. Which of the following CPU sockets will NOT support this?
FM1
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. What architecture should you cover?
Pin Grid Array (PGA)
Your company has recently purchased computer hardware inventory so that its IT technicians can make custom computers for certain users. The processors that were purchased include the Hyper-Threading (HT) technology. What benefit does this technology provide?
Uses virtual processors to perform multitasking
During class, an instructor shows a picture of a Zero Insertion Force (ZIF) socket. What component can you connect using this socket?
Central processing unit (CPU)
An instructor is describing a component that is always located on the CPU and accelerates the processing of instructions. What component is being discussed?
The L1 cache
An instructor is explaining a technology that allows a central processing unit (CPU) to execute two separate instructions concurrently. What technology provides this functionality?
Hyper-threading
You have determined that several computers on your company’s network need to have the BIOS updated. What change to your computer would MOST likely require that you flash a computer’s BIOS afterward?
Upgrading the CPU
A new computer has been purchased that includes an integrated GPU. What is the primary purpose of this component?
Processing video and graphics
You have a motherboard that includes an LGA 1155 CPU socket. What CPU would NOT be supported with this motherboard?
Core 2 Duo
A customer wants a computer for performing a single-threaded task as quickly as possible. What CPU characteristics is the most important?
Clock speed
Every time a Windows 8 computer boots, you receive an error message stating that the cover was previously removed. You want to prevent this alert from being displayed. What location should you look under to disable this alert?
In the BIOS
What are standard AMD processor socket types?
- FM1
2. AM3
What CPU characteristics allows the processor to classify and separate memory areas where application code can and cannot execute?
Execute disable bit (EDB)
Which components must pass a computer’s power-on self-test (POST) before an operating system will load?
- Video Card
- Memory
- Central Processing Unit (CPU)
A user’s computer is experiencing overheating problems. What is the most likely cause of this problem?
Dust
A user has recently moved to the United States from the United Kingdom. He contacts you asking how to switch his desktop computer to the appropriate voltage. What should you tell him to do?
Slide the voltage switch on the side of the power supply to the appropriate voltage.
You are a desktop engineer for DreamSuites Corporation. Irene Jones has joined DreamSuites as an HR executive. You configure a new computer for Irene. You have set the voltage selector switch on the back of the computer to 115 volts. However, the computer is not powering up, and you have been asked to troubleshoot the problem. What action is NOT required to troubleshoot the problem?
Set the power output of the wall outlet to 230 volts.
You need to replace a computer’s power supply. When you purchase the new power supply, you notice a single 6+2 pin power connection. For what device type is this connection intended?
PCI Express devices
You have purchased a new 20-pin power supply to replace one that failed. However, the motherboard only has a 24-pin connector. What should you do?
Plug the 20-pin power supply into the motherboard, leaving pins 11, 12, 23, and 24 on the motherboard unconnected.
When you start your computer, a CMOS checksum error is caused. After investigating, you discover that the CMOS battery is causing the problem. You want to measure the voltage of the CMOS battery before replacing it with a new one. What device should you use?
Volt ohm meter
You are explaining the significance of the wires running from a power supply. The Power Good signal sends power to the motherboard to indicate that the electrical power is sufficient and can prevent the computer from booting. What voltage is used by the Power Good signal?
+5
What are the two most important factors to consider when selecting a replacement power supply for a desktop computer?
- Form Factor
2. Output capacity in Watts.
John, a user, complains that his DVD drive is not working. Maria, a technician, needs to ensure that the power coming to the DVD drive is correct, and therefore, she has to check its voltage. What type of tool will she use?
Multi-meter
After you start your computer, you hear an unusual, high-pitched noise. The source of the noise is the fan mounted inside the power supply. After a few minutes, the noise goes away. What action should you take?
Replace the power supply.
. You need to test the output from a UPS using a multi-meter. What multi-meter setting should you use?
AC Voltage
What parameter is the most important for you to consider when choosing a power supply unit (PSU)?
Wattage
A user complains that his computer automatically reboots after a short period of time. What computer components will you change to perform preventive maintenance on the computer?
CPU cooling fan
Susan has just been hired as your new tech support. You are explaining different RAM types to her. What random access memory (RAM) technology would you tell her fetches 4 bits of data per clock cycle and uses 1.8 V to operate
DDR2 SDRAM
Ann, a technician, wants to enhance the security of an organization by providing hardware-based cryptographic processing and secure key storage for full-disk encryption. What should she implement to achieve this task?
Trusted Platform Module (TPM)
James is tasked to update a computer’s BIOS and firmware. What would be the reasons for this update?
- To fix bugs that prevent the operating system from installing or running properly
- To Provide support for new hardware
You have several different RAM modules that you can use in a new computer. You need to ensure that the fastest memory is used. What speed denotes the fastest memory?
7ns (nano-seconds)
A technician has replaced a faulty 500 GB HDD with a 1 TB HDD in a laptop. However, after the replacement, the laptop is still detecting the new 1 TB HDD as the older 500 GB HDD. What will the technician do to resolve this problem?
Flash the BIOS.
A computer receives a parity check error message. Which component should you check first?
Memory
Steven wants to upgrade the RAM in his gaming system. What features are important considerations before he adds memory modules to a computer’s system board?
- Parity
2. Access Speed
What UEFI feature that verifies an operating system’s start-up loader is electronically signed by the vendor before it loads?
Secure boot
What is a small program that contains executable code to work as a loader for the installed operating system?
Master Boot Record (MBR)
The primary hard drive in your Windows computer has failed. You purchase a new hard drive and install it in your computer. What should you do first?
Change the hard drive configuration settings in the computer’s BIOS.
You have a bootable DVD that includes virus-scanning software. However, when you insert the DVD into a computer’s DVD drive and reboot the computer, the computer still boots normally. What is the problem?
You need to change the BIOS boot order.
You are teaching a one-week computer repair class. Early Monday morning, you discover that a student from the previous week protected his computer with a BIOS startup password, and you are unable to contact the student to obtain the password. This week’s class starts in one hour, and all seats are taken. What should you do to make the computer available to a student in this week’s class?
Use a system board jumper.
Your company implements a new policy that all computers must use drive-level encryption for security. You want to enhance the security provided by BitLocker. What should you enable?
Trusted Platform Module (TPM)
Susan called the help desk to ask about which type of BIOS password she should configure to restrict access to the BIOS setup program. What password type would you explain?
Supervisor password
Which of the following would be the best to keep the data on a laptop safe if the laptop is lost or stolen?
Full disk encryption
George, a user, receives a blue screen error when attempting to access a third-party application on his computer. When you are troubleshooting the computer, you get a blue screen error that lists the same memory location for the error. What should you do?
Replace the defective memory module.
Which of the following must be configured when trying to start a machine using a DVD?
Boot sequence
What type of computer memory module uses 168 pins?
Dual inline memory modules (DIMMs)
When Kevin was hired, he inherited a box of different types of RAM. What RAM would you ask him to set aside if you needed to increase the number of data wires available from 64 to 128?
Dual-channel
A server needs a RAM upgrade, and a technician has been tasked to retrieve the RAM from storage and then install it. What is the best RAM type for the technician to retrieve?
DDR4 SDRAM
You need to upgrade your Windows Vista computer to Windows 7. You put the Windows 7 DVD into its drive and reboot the system. The system does not boot from the DVD. What should you do first to solve this problem?
Configure BIOS to boot from the DVD drive.
You have been tasked with performing several upgrades in a computer. Which hardware component will require the least amount of time to replace?
Memory module
James, a technician, needs to replace the memory in laptops that are being brought to him for repair. What type of memory modules can he use?
- 72-pin SODIMM
2. 144-pin SODIMM
What types of memory can be installed in laptops?
- So-DIMM
2. Micro-DIMM
What memory modules is used if it is labeled as 4 GB PC 1333?
Double Data Rate (DDR3)
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. What component should the RAM you order have?
Error correction code (ECC)
Which connections are typically on the external PC chassis?
- eSata
2. IEEE 1394
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, what hard drive specification should you implement?
SATA 3
What are the main differences between VGA and DVI connectors?
- VGA and DVI video signals travel at different speeds.
2. VGA connectors and cables carry analog signals, while DVI can carry both analog and digital signals.
You have to interconnect a notebook computer and a cell phone. The notebook computer supports Bluetooth, USB, FireWire, and IEEE 1284 connections. However, you do not have any cables to connect the two devices and do not want to purchase any. What should you do?
Enable Bluetooth technology on both the computer and the cell phone, and then connect the two.
What types of external ports would a technician use to connect a keyboard to a computer?
- PS/2
2. USB
You need to connect a piano keyboard to a PC. What interface should you look for on a piano keyboard to connect it to the PC?
Musical Instrument Digital Interface (MIDI)
What type of communication does an HDMI port and cable transmit.
Both video and audio
What connection type can be used simultaneously for video, storage, and audio?
Thunderbolt
James, a technician, is upgrading the firmware on an older KVM switch. The specifications call for a serial port to connect to the computer on one side, and an Ethernet jack to connect to the switch on the other side. What connectors does he need for this cable?
- RJ-45
2. DB-9
What connector is used for parallel applications
DB-25
Vincent has a computer with two DVI ports and wants to connect it to an HDMI display. What is the easiest solution?
Purchase a DVI-to-HDMI cable or adapter.
You work for your company’s IT help desk. A customer named Sam asks you how to get his iPhone to wirelessly play louder. He also indicates that sometimes, he wants to play his iPhone through his laptop speakers. What two options would you recommend?
- Bluetooth Speakers
2. A USB-to-Bluetooth dongle
You need to install a new video card in a Windows 10 computer. You need to ensure that the installed technology supports both analog and digital transmissions. What technology should you install?
DVI-I
What is the greatest distance that can separate the USB 2.0 device from the computer?
5 Meters
You are trying to help your customer connect a Universal Serial Bus (USB) 3.0 printer to her laptop and desktop computer. The laptop computer has only USB 1.1 ports and PCIe slots available. What would be the most logical and affordable option to recommend to her?
Install a USB 3.0 card in the PCIe slot
Maria wants to use the mobile payment service on her smartphone but the device is unable to perform the payment service. What feature is missing from her smartphone?
Near field communication (NFC)
Abigail works in Europe. She has a laptop with a standard VGA port that she uses for presentations at client sites. When she gets to the United States, she realizes that the companies she’s presenting for all have HDMI displays and interfaces. What would you recommend she purchase for her travel bag as the most cost-effective solution?
Purchase a VGA-to-HDMI adapter.
How many devices can you connect using the single USB hub?
4
What interface is capable of transmitting high-quality and high-bandwidth streams of audio and video between devices?
High Definition Multimedia Interface (HDMI)
Doug of Wonder Web is coming to your office to show the trainers the ports they will use to connect different devices for the presentations. What ports will he most likely need to demonstrate?
- USB Port Adapters
- DisplayPort Ports
- VGA ports
What connectors will you use to connect a serial port and an Ethernet port on a switch?
- DB-9
2. RJ-45
Jane is responsible for making sure her team has all the items it needs when traveling for business. One of her users has a laptop with no active Ethernet port. Which accessory should she purchase for that team member?
USB-to-RJ-45 dongle
What are true statements regarding USB 3.0 and USB 2.0?
- Unlike USB 2.0, USB 3.0 supports dual simplex communication pathways
- Unlike USB 2.0, USB 3.0 supports continuous bursting
What expansion port would be used to enable the transfer of power, data, and video to peripheral devices on an Apple computer?
Thunderbolt
What type of charging and data port has a non-directional connector?
USB Type-C
What serial communication standards provide hot-swap capability?
- USB
2. IEEE 1394
What type of USB connector standards is designed for USB peripherals, such as printer, upstream port on a hub, or other larger peripheral devices?
USB Type-B
Steven’s computer includes a hard drive that connects to the computer’s motherboard using a 7-wire cable with a single interface. What hard drive interface is used by Steven’s disk drive?
Serial ATA
Management has mandated that hard disks installed in servers provide the best disk performance and speed. You need to ensure that you purchase hard disks that conform to this mandate. What factors should you consider?
- Faster Seek Time
2. Higher Rate of Revolutions Per Minute
You are explaining to a group of new IT technicians the workings of a magnetic hard drive. As part of this discussion, you must cover the different parts. What term is used to identify the concentric circles on a hard disk platter?
Track
An NTFS folder named Research is backed up on a regular basis. You restore the folder onto another hard drive but notice that the file permissions were not restored. What is the MOST likely reason this happened?
The files were restored on a FAT partition.
You work in a customer call center. Martin is on the phone asking about the difference between solid-state drives (SSDs), hybrids, and magnetic hard drives for his laptop. He is going to use for web surfing, emailing, and creating documents. What hard drive would provide the best performance and reliability?
A solid-state drive (SSD)
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?
- Paging File
- Running Processes
- Hard Drive
- Memory
A customer wants to upgrade a PC’s internal storage to have more room to store backups, photos, and videos. The new storage should be economical and large enough to avoid expanding again next year. What drive option best meets this need?
3 TB HDD
A customer brings you a computer that he wants to upgrade to SATA drives. Currently, all the drives in the system are EIDE drives. What should you do first?
Make sure that the motherboard will support SATA drives.
A user reports slow computer performance in his PC, which has RAID configuration, to a technician. The technician uses the manufacturer’s diagnostic software, and the computer passes all tests. The technician then uses a de-fragmentation tool and hears clicking noises. Which of the following should the technician identify and replace?
Hard Disk Drive (HDD)
Your computer only boots with a bootable DVD. It is not able to boot without a bootable DVD. What could be the possible reasons for this problem?
- Bad Hard Disk
2. Corrupt Operating System
You have been asked 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?
Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.)
You are the system administrator for your company. You are troubleshooting a network computer that displayed the following error message: “Boot Error Press F1 to Retry”. What should you do to fix the problem?
Restore the master boot sector.
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
If you were explaining to your company’s IT personnel the difference between their old hard drive technology and newer solid state drives, What is a false statement about SSDs?
They use a read/write assembly.
Replacement of which of the following components on a laptop will typically require re-installation of the OS?
hard disk drive (HDD)
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
What is an example of a solid-state drive?
USB flash drive
Martha, a customer, reports to a technician about file system errors on her external hard drive. Which of the following commands will the technician use to repair these errors on the drive?
The chkdsk command
What is a characteristic of a hybrid drive?
A drive that has both HDD and SSD components
While performing routine maintenance for a customer, you hear a grinding noise coming from inside the computer case. What component should you suggest the customer replace?
Hard drive
Lucy, a Chief Information Officer (CIO), has summoned an administrator due to the datacenter power bill being significantly higher than normal. The administrator explains that a new array was installed for a 20 TB application. What would provide a new performance benefit and also reduce power consumption in the given scenario?
Solid State Drives (SSDs)
Cathy’s mother is getting ready to buy her a new laptop for college. She knows that the laptop may not always be handled with care. She wants to ensure that the device can withstand dropping. What kind of hard drive is her best option?
solid-state drive (SSD)