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WorksheetsFinal Exam Review (Chapters 1-9)
Total questions: 116
Worksheet time: 1hrs 27mins
In which situation would an ESD strike potentially cause harm to the PC?
When installing a dual-voltage power supply
When using a grounded mat and working on a computer on an ungrounded workbench
When installing an additional display in a workplace cubicle
When replacing a mechanical hard drive with an M.2 SSD
A person has started a new technical job. In which situation would ESD be an issue?
when installing a processor
when installing a dual-voltage power supply
when using a grounded mat and working on a computer on an ungrounded workbench
while exchanging one laptop AC adapter with one that is not from the original equipment manufacturer
A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?
while attaching speakers to a surround sound card
when replacing a motherboard
when installing a dual-voltage power supply
when using a grounded mat and working on a computer on an ungrounded workbench
A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?
when walking across a carpeted area and then touching a keyboard that is attached to a tower PC
when installing a dual-voltage power supply
when installing RAM
when using a grounded mat and working on a computer on an ungrounded workbench
In which situation would an ESD strike potentially cause harm to the PC?
when replacing high voltage laser printer parts
when using a grounded mat and working on a computer on an ungrounded workbench
when replacing a mechanical hard drive with an M.2 SSD
when installing a dual-voltage power supply
An instructor has given a student an assignment to assemble a PC. In which situation should the student be aware that ESD is an issue?
when installing RAM
when installing a dual-voltage power supply
when working in a corporate environment that has carpet installed under tower PCs
when using a grounded mat and working on a computer on an ungrounded workbench
A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?
when working in a corporate environment that has carpet installed under tower PCs
when replacing a motherboard
while attaching speakers to a surround sound card
when walking across a carpeted area and then touching a keyboard that is attached to a tower PC.
A person has started a new technical job. In which situation would ESD be an issue?
when working in a corporate environment that has carpet installed under tower PCs
when installing a dual-voltage power supply
when walking across a carpeted area and then touching a keyboard that is attached to a tower PC
when installing a processor
A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?
when working in a corporate environment that has carpet installed under tower PCs
when installing a UPS
when replacing a motherboard
when walking across a carpeted area and then touching a keyboard that is attached to a tower PC
In which situation would an ESD strike potentially cause harm to the PC?
while exchanging one laptop AC adapter with one that is not from the original equipment manufacturer
when walking across a carpeted area and then touching a keyboard that is attached to a tower PC
when replacing a mechanical hard drive with an M.2 SSD
when working in a corporate environment that has carpet installed under tower PCs
What two motherboard components control the system boot operations? (Choose two.)
BIOS chip
Northbridge chip
Southbridge chip
UEFI chip
CPU
A technician is upgrading an ATX motherboard with another ATX motherboard. Which component might be affected by this and need to be upgraded and bought as an additional purchase?
CMOS battery
BIOS
PCIe adapter
Chipset
CPU
A customer has requested that a PC be built that will support eSATA. Which component should be checked to be sure that this feature is supported?
CPU
RAM module
Chipset
Hard disk
Which memory module used to hold instructions for booting a PC and loading the OS, but is still used on adapters even though the memory contents cannot be changed?
RAM
cache
main memory
ROM
What is a characteristic of DDR SDRAM?
It operates at double the voltage of SDRAM memory.
It is dynamic memory whereas SDRAM is static memory.
It transfers data twice per clock cycle compared to once per clock cycle for SDRAM.
DDR SDRAM modules have double the number of pins of SDRAM memory modules.
What are two safety hazards when dealing with laser printers? (Choose two.)
High voltage
Heavy metals
Hot components
Proprietary power bricks
Unwieldy card cages
Which component requires a technician to install screws externally through the PC case?
Power supply
CPU
RAM
Motherboard
A technician is installing an internal HDD. To which motherboard connector will the technician connect the data cable?
ATX
SATA
PWR_SW
PCI
Refer to the exhibit. A technician has been asked to install a video card. Which section of the motherboard will the technician use to install the card?
Section A
Section D
Section B
Section C
When a PC is being assembled, what component is connected to the motherboard with a SATA cable?
The optical drive
The power supply
The video card
The network interface card
A technician is troubleshooting a computer that is experiencing hardware failure detected by the BIOS. What is one way this failure is indicated?
The screen flashes with a red background and displays a warning message.
The computer automatically boots into Safe Mode and displays a warning on the screen.
The computer emits a pattern of beeps indicating the failing device.
The computer returns an error message that indicates the I/O address of the failing device.
Which three features can be configured in the BIOS settings to secure a computer? (Choose three.)
Drive encryption
File encryption
Passwords
TPM
TKIP key
What is the purpose of RAID adapters?
to connect multiple storage devices for redundancy or speed
to allow older PCI technology expansion slots to be used
to provide enhanced audio and graphic capabilities
When a new motherboard is being installed, between which two components must thermal compound be applied? (Choose two.)
Heat sink
RAM
CPU
Chipset
Motherboard
What is the purpose of a Safety Data Sheet?
to specify procedures in the use of humidity control and prevention of moisture damage
to specify procedures in designing and building common computer systems
to specify procedures for the operation of sensitive components and prevention of electrostatic discharge
to specify procedures for dealing with potentially hazardous materials
Which negative environmental factor does cleaning the inside of a computer reduce?
ESD
Rust
Dust
EMI
What is a recommended procedure to follow when cleaning computer components?
Remove the CPU before cleaning.
Use window cleaner on LCD screens.
Hold cans of compressed air upright while spraying.
Blow compressed air on cooling fans so that they will spin when dust is being removed.
On the production floor, a furniture plant has laptops for process monitoring and reporting. The production floor environment is around 80 degrees Fahrenheit (27 degrees Celsius). The humidity level is fairly high, around 70 percent. Fans are mounted in the ceiling for air circulation. Wood dust is prevalent. Which condition is most likely to adversely affect a laptop that is used in this environment?
The humidity
Dust
The temperature
The air flow
After a technician tests a theory of probable causes, what two actions should the technician take if the testing did not identify an exact cause? (Choose two.)
Establish a new theory of probable causes.
Randomly replace components one at a time until the problem is solved.
Document each test tried that did not correct the problem.
Verify full system functionality.
Test all remaining possible causes starting with the most complex.
What would happen if a PC that contains a power supply that does not automatically adjust for input voltage is set to 230 volts and attaches to an outlet in the United States?
The power supply would explode.
The PC would not turn on.
The PC would display an error code.
The PC would emit a series of beeps.
Which type of network spans a single building or campus and provides services and applications to people within a common organizational structure?
PAN
LAN
WAN
MAN
What are two types of wired high-speed Internet connections? (Choose two.)
satellite
cellular
DSL
cable
Dial-up
In what two situations would UDP be better than TCP as the preferred transport protocol? (Choose two.)
when a faster delivery mechanism is needed
when delivery overhead is not an issue
when applications do not need to guarantee delivery of the data
when applications need to guarantee that a packet arrives intact, in sequence, and unduplicated
The current IP configuration of a small company is done manually and is time-consuming. Because of increased network growth, a technician needs a simpler way for IP configuration of workstations. Which service would simplify the workstation IP configuration task?
APIPA
DNS
DHCP
ICMP
A company is looking for a next-generation firewall that provides VPN functionality, IDS/IPS functionality, and DoS/DDoS protection. Which device would be best suited for this task?
Multipurpose device
Router
Endpoint management server
TPM
UTM
A student is helping a friend with a home computer that can no longer access the Internet. Upon investigation, the student discovers that the computer has been assigned the IP address 169.254.100.88. What could cause a computer to get such an IP address?
Unreachable DHCP server
Static IP addressing with incomplete information
Reduced computer power supply output
Interference from surrounding devices
What three values must be added to the IPv4 properties of a NIC in order for a computer to have basic connectivity with the network? (Choose three.)
Subnet mask
DHCP server address
Default gateway
Speed and duplex
IP address
A device has an IPv6 address of 2001:0DB8:75a3:0214:0607:1234:aa10:ba01 /64. What is the host identifier of the device?
2001:0DB8:75a3
0607:1234:aa10:ba01
2001:0DB8
ba01
How can a user prevent specific applications from accessing a Windows computer over a network?
Block specific TCP or UDP ports in Windows Firewall.
Disable automatic IP address assignment.
Change default usernames and passwords.
Enable MAC address filtering.
A technician has been asked to configure Wi-Fi calling on a corporate mobile device. In which situation would this feature be most advantageous?
in an emergency situation and no minutes are left on the phone
when in an area with poor cellular coverage
when sending WEA updates
in a store transaction making a payment using the mobile device
Which statement is true about laptops?
Laptop motherboards have standard form factors.
Laptop CPUs do not use cooling devices.
Most of the internal components that are designed for laptops cannot be used for desktops.
Laptops use fewer components than desktops use.
Which standard provides a bridge between laptop hardware and the operating system and a way for technicians to configure power management schemes to get the best performance?
Bluetooth
PCIe
ACPI
802.11
Which two laptop components are considered replaceable by the customer. (Choose two.)
Battery
Integrated card reader
Display
RAM
Mini-PCIe module
A user wants to synchronize some apps, movies, music, and ebooks between mobile devices. What are the two types of connections used to synchronize this type of data? (Choose two.)
Wi-Fi
cellular
USB
Bluetooth
NFC
A technician is explaining the differences between inkjet printers and laser printers to a customer. Which two comparisons should the technician make? (Choose two.)
The laser printer output is dry after printing, but an inkjet printer may still have wet ink on the paper after printing.
Inkjet printers are less expensive as an initial purchase than laser printers.
Both laser and inkjet printers produce poor quality images.
Inkjet printers use plain paper to make economical prints, but laser printers require more expensive thermal paper.
A laser printer is significantly slower than an inkjet printer.
A user chooses the collate option and prints two copies of a three-page document. What is the order in which the pages are printed?
pages 1, 1, 2, 2, 3, 3
pages 1, 2, 3, 1, 2, 3
pages 3, 3, 2, 2, 1, 1
pages 3, 2, 1, 3, 2, 1
A color laser printer is used to print documents with graphics and photographs. Users are complaining that printing takes too long. Which component of the printer should be upgraded in order to improve printing performance?
Hard drive
RAM
Toner cartridges
CPU
What service is available for Windows to provide software print server services to MAC OS clients?
Bonjour Print Server
Apple AirPrint
Print to XPS
Apple AirPort Extreme
Which three components are typically found in laser printer maintenance kits? (Choose three.)
Fuser assembly
Primary corona
secondary corona
Pickup rollers
transfer rollers
A technician is installing a new printer in a cool, damp environment. After the printer cabling is done, and the software and print driver are installed, the printer test page jams. What is the most likely cause of the print failure?
Not enough printer memory
Too much humidity
Incorrect printer driver
Loose printer cables
A data center has recently updated a physical server to host multiple operating systems on a single CPU. The data center can now provide each customer with a separate web server without having to allocate an actual discrete server for each customer. What is the networking trend that is being implemented by the data center in this situation?
BYOD
Online collaboration
Virtualization
Maintaining communication integrity
How does virtualization help with disaster recovery within a data center?
Hardware does not have to be identical.
Server provisioning is faster.
Power is always provided.
Less energy is consumed.
Which two hypervisors are suitable to support virtual machines in a data center? (Choose two.)
VMware ESX/ESXi
Virtual PC
VMware Fusion
Microsoft Hyper-V 2012
Oracle VM VirtualBox
A web designer accesses a company Windows 10 computer remotely. The designer often needs to simultaneously open multiple applications, such as a web page editor and a graphics editor. Rather than opening them in multiple windows, the designer opens them in different virtual desktops. What technology is being used by the designer?
Windows Virtual Desktop
Virtual reality
Cloud-based applications
Virtual desktop infrastructure
Which Cloud computing service would be best for an organization that needs to collaboratively create applications and deliver them over the web?
IaaS
PaaS
ITaaS
SaaS
Which statement describes a feature of SDRAM?
It can process overlapping instructions in parallel.
It requires constant power to function.
Its connector always has 240 pins.
It is able to support two writes and two reads per CPU clock cycle.
A technician is troubleshooting a server that displays the error message "RAID not found" after a power outage over the weekend. What is a possible cause for this?
The BIOS firmware needs updating.
The FSB settings have changed and are wrong.
The external RAID controller is not receiving power.
The CPU multiplier is set too high.
A customer brings in a laptop with a touch screen that is not working correctly. The touch screen either does not respond at all or provides unusual or inaccurate responses. What is a possible cause for such behavior?
Too many apps are open.
The battery is not seated properly.
The digitizer is faulty.
The battery is not seated properly.
What are two security risks associated with sharing printers in a corporate environment? (Choose two.)
User authentication
Document viewing in the print queue
Cached files
Dumpster diving
Shoulder surfing
A computer technician is installing a RAID. If the RAID uses mirroring and striping, which RAID level is the technician using?
5
10
1
8
A computer technician is installing a RAID. If the RAID uses mirroring, which RAID level is the technician using?
6
1
5
3
A computer technician is installing a RAID. If the RAID uses striping with parity, which RAID level is the technician using?
5
6
1
4
A computer technician is installing a RAID. If the RAID uses striping, which RAID level is the technician using?
6
0
5
2
A computer technician is installing a RAID. If the RAID uses striping with double parity, which RAID level is the technician using?
1
6
5
7
A computer technician is installing a RAID. If the RAID uses striping with double parity, which RAID level is the technician using?
10
6
5
7
A computer technician is installing a RAID. If the RAID uses mirroring, which RAID level is the technician using?
10
6
1
3
A computer technician is installing a RAID. If the RAID uses mirroring and striping, which RAID level is the technician using?
6
5
10
8
A computer technician is installing a RAID. If the RAID uses striping with parity, which RAID level is the technician using?
6
5
10
4
A computer technician is installing a RAID. If the RAID uses striping, which RAID level is the technician using?
1
5
0
2
A technician is upgrading many PCs used within the company. How should the technician dispose of an old battery?
Throw it away.
Recycle following local regulations.
Take it to the garbage dump.
Burn it.
A technician is upgrading many PCs used within the company. How should the technician dispose of a broken monitor?
Burn it.
Bury it.
Recycle following local regulations.
Take it to the garbage dump.
A technician is upgrading many PCs used within the company. How should the technician dispose of an old power supply?
Burn it.
Recycle following local regulations.
Take it to the garbage dump.
Bury it.
A technician is upgrading many PCs used within the company. How should the technician dispose of old RAM?
Burn it.
Recycle following local regulations.
Destroy it with a hammer.
Bury it.
A technician is upgrading many PCs used within the company. How should the technician dispose of old RAM?
Destroy it with a hammer.
Recycle following local regulations.
Seal in a plastic bag before putting in the garbage.
A technician is upgrading many PCs used within the company. How should the technician dispose of an old motherboard?
Destroy it with a hammer.
Recycle following local regulations.
Give it to your neighbor.
The technicians are upgrading many PCs used within the company. How should the technician dispose of an old hard drive?
Seal in a cardboard box.
Recycle following local regulations.
Give it to your neighbor.
A technician is upgrading many PCs used within the company. How should the technician dispose of an old hard drive?
Recycle following local regulations.
Fix it with duct tape and reuse it.
Destroy it with a hammer.
A technician is upgrading many PCs used within the company. How should the technician dispose of an old battery?
Recycle following local regulations.
Fix it with duct tape and reuse it.
Give it to your neighbor.
A technician is upgrading many PCs used within the company. How should the technician dispose of an old battery?
Recycle following local regulations.
Throw it away.
Give it to your neighbor.
After continuous morning use, a computer suddenly reboots without the intervention of the user. What are the two most likely hardware parts that could cause this problem? (Choose two.)
CPU
RAID
Power supply
Wireless NIC
BIOS
After continuous morning use, a computer suddenly reboots without the intervention of the user. What are the two most likely hardware parts that could cause this problem? (Choose two.)
CPU
Surge strip
BIOS
Power supply
Wireless NIC
A technician has been called in to investigate a problem with the computer rebooting randomly throughout the day. What two pieces of hardware could cause this problem? (Choose two.)
Wireless NIC
CPU
Power supply
Motherboard
Surge strip
A technician has been called in to investigate a problem with the computer rebooting randomly throughout the day. What two pieces of hardware could cause this problem? (Choose two.)
RAID
CPU
Wireless NIC
Power supply
Motherboard
For two days in a row, a user has noticed that the computer reboots several times before it eventually starts. What are two suspect components? (Choose two.)
CPU
Power Supply
BIOS
Wireless NIC
Motherboard
For two days in a row, a user has noticed that the computer reboots several times before it eventually starts. What are two suspect components? (Choose two.)
BIOS
CPU
ROM
Power supply
RAID
While a user is working on a spreadsheet, the computer reboots. What are two components that could cause this issue? (Choose two.)
ROM
CPU
Wireless NIC
Power supply
While a user is working on a spreadsheet, the computer reboots. What are two components that could cause this issue? (Choose two.)
CPU
Motherboard
BIOS
Power supply
RAID
After continuous morning use, a computer suddenly reboots without the intervention of the user. What are the two most likely hardware parts that could cause this problem? (Choose two.)
Hard drive
CPU
Power Supply
Wireless NIC
ROM
A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting?
NetBIOS (NetBT)
SLP
SMB/CIFS
HTTPS
A client packet is received by a server. The packet has a destination port number of 22. What service application is the client requesting?
SSH
HTTPS
SMB/CIFS
SLP
A client packet is received by a server. The packet has a destination port number of 143. What service application is the client requesting?
SMB/CIFS
IMAP
SLP
HTTPS
A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting?
Telnet
SMB/CIFS
SLP
HTTPS
A client packet is received by a server. The packet has a destination port number of 161. What service application is the client requesting?
SNMP
HTTPS
SLP
SMB/CIFS
A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
SMB/CIFS
LDAP
HTTPS
SLP
A client packet is received by a server. The packet has a destination port number of 25. What service application is the client requesting?
SMB/CIFS
SMTP
SLP
HTTPS
A client packet is received by a server. The packet has a destination port number of 427. What service application is the client requesting?
SLP
SMTP
SMB/CIFS
DNS
A client packet is received by a server. The packet has a destination port number of 53. What service application is the client requesting?
DNS
DHCP
SMTP
TFTP
A client packet is received by a server. The packet has a destination port number of 427. What service application is the client requesting?
SLP
DNS
SMTP
DHCP
Which is the compressed format of the IPv6 address 2001:0db8:0000:0000:0000:a0b0:0008:0001?
2001:db80:0:1::80:1
2001:db8::a0b0:8:1
2001:db8::ab8:1:0:1000
2001:db80:::1::80:1
Which is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290?
fe80:9ea:0:2200::fe0:290
fe80:9ea0::2020:0:bf:e0:9290
fe80:9:20::b000:290
fe80:9ea0::2020::bf:e0:9290
Which is the compressed format of the IPv6 address 2002:0042:0010:c400:0000:0000:0000:0909?
2002:42:10:c400::909
200:420:110:c4b::910:0:90
2002:42::25:1090:0:99
2002:4200::25:1090:0:99
Which is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290?
fe80::220:b3f:f0e0:29
fe80::0220:0b3f:f0e0:0029
fe80:9ea0::2020:0:bf:e0:9290
fe80:9ea:0:2200::fe0:290
Which is the compressed format of the IPv6 address 2002:0420:00c4:1008:0025:0190:0000:0990?
2002:420:c4:1008:25:190::990
2002:4200::25:1090:0:99
2002:42:10:c400::909
2002:42::25:1090:0:99
Which is the compressed format of the IPv6 address 2001:0db8:0000:0000:0ab8:0001:0000:1000?
2001:db8::ab8:1:0:1000
2001:db8:1::ab8:0:1
2001:db8::a0b0:8:1
2001:db8:0:1::8:1
Which is the compressed format of the IPv6 address fe80:0000:0000:0000:0220:0b3f:f0e0:0029?
fe80:9ea0::2020:0:bf:e0:9290
fe80::220:b3f:f0e0:29
fe80:9ea:0:2200::fe0:290
Which is the compressed format of the IPv6 address 2001:0db8:0000:0000:0000:a0b0:0008:0001?
2001:db8:0:1::8:1
2001:db8::a0b0:8:1
2001:db8::ab8:1:0:1000
Which is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290?
fe80::220:b3f:f0e0:29
fe80:9ea:0:2200::fe0:290
fe80:9ea0::2020:0:bf:e0:9290
fe80:9ea0::2020::bf:e0:9290
Which is the compressed format of the IPv6 address fe80:9ea0:0000:2020:0000:00bf:00e0:9290?
fe80:9ea0::2020:0:bf:e0:9290
fe80::0220:0b3f:f0e0:0029
fe80:9ea:0:2200::fe0:290
What ACPI power state describes when the CPU and RAM are off and the contents of RAM have been saved to a temporary file on the hard drive?
S1
S3
S4
What ACPI power state describes when the CPU and RAM are still receiving power but unused devices are powered down?
S2
S1
S3
What ACPI power state describes when the CPU is off, but the RAM is refreshed?
S2
S4
S1
A photographer is complaining about the following printer issue: The printer issues a “Document failed to print” message. What are two possible causes of this issue? (Choose two.)
A cable is loose or disconnected.
The paper tray is flimsy.
The printer is no longer shared.
The wrong printer type has been selected.
A manager is complaining about the following printer issue: The printer is printing incorrect colors. What are two possible causes of this issue? (Choose two.)
The print heads might need to be cleaned and calibrated.
The printer is using the wrong cable.
The printer has been installed on the wrong port.
An incorrect cartridge could be installed.
A laptop has an NVMe drive (C:) and a mechanical hard drive (D:). When the user tries to save a spreadsheet to the D: drive, the user notices that the D: the drive is not there. What should the technician do to see if the drive is recognized by the operating system?
Use the Disk Management Control Panel
Use the Msconfig utility.
Boot into UEFI/BIOS and see if the drive appears.
Remove the drive and attach it to the SATA port used by the SSD. Reboot the computer and see if the drive is recognized.
A computer has an SSD for the operating system and applications and uses another mechanical hard drive for data storage. The user reports that data can no longer be saved to the mechanical hard drive. What should the technician do to see if the drive is recognized by the operating system?
Use File Explorer.
Swap the data cables of the mechanical drive and the SSD.
Open a web browser and type the following: http://127.0.0.1. Verify if both drives appear in the list.
Bring up a command prompt and type ipconfig.
Which memory module used to hold instructions for booting a PC and loading the OS, but is still used on adapters even though the memory contents cannot be changed?
RAM
cache
main memory
ROM
