WorksheetsFinal Exam Review, Ch 1 - 5
Total questions: 25
Worksheet time: 13mins
A person has started a new technical job. In which situation would ESD be an issue?
when installing a processor
when using a grounded mat and working on a computer on an ungrounded workbench
when installing a dual-voltage power supply
while exchanging one laptop AC adapter with one that is not from the original equipment manufacturer
while exchanging one laptop AC adapter with one that is not from the original equipment manufacturer
BIOS chip
UEFI chip
Northbridge chip
Southbridge 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?
BIOS
chipset
CMOS battery
CPU
PCIe adapter
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
ROM
cache
main memory
What is a characteristic of DDR SDRAM?
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.
It is dynamic memory whereas SDRAM is static memory.
It operates at double the voltage of SDRAM memory.
What are two safety hazards when dealing with laser printers? (Choose two.)
high voltage
hot components
heavy metals
proprietary power bricks
unwieldy card cages
Which component requires a technician to install screws externally through the PC case?
RAM
CPU
motherboard
power supply
A technician is installing an internal HDD. To which motherboard connector will the technician connect the data cable?
ATX
PCI
PWR_SW
SATA
When a PC is being assembled, what component is connected to the motherboard with a SATA cable?
the optical drive
the network interface card
the video card
the power supply
A technician is troubleshooting a computer that is experiencing hardware failure detected by the BIOS. What is one way this failure is indicated?
The computer automatically boots into Safe Mode and displays a warning on the screen.
The screen flashes with a red background and displays a warning message.
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.
What is the purpose of RAID adapters?
to allow older PCI technology expansion slots to be used
to provide enhanced audio and graphic capabilities
to connect multiple storage devices for redundancy or speed
to connect peripheral devices to a PC to improve performance
When a new motherboard is being installed, between which two components must thermal compound be applied? (Choose two.)
CPU
RAM
chassis
heat sink
motherboard
What is the purpose of a Safety Data Sheet?
to specify procedures for dealing with potentially hazardous materials
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 in the use of humidity control and prevention of moisture damage
Which negative environmental factor does cleaning the inside of a computer reduce?
dust
EMI
rust
ESD
What is a recommended procedure to follow when cleaning computer components?
Remove the CPU before cleaning.
Blow compressed air on cooling fans so that they will spin when dust is being removed.
Use window cleaner on LCD screens.
Hold cans of compressed air upright while spraying.
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
WAN
LAN
MAN
What are two types of wired high-speed Internet connections? (Choose two.)
cable
satellite
cellular
DSL
dial-up
In what two situations would UDP be better than TCP as the preferred transport protocol? (Choose two.)
when applications need to guarantee that a packet arrives intact, in sequence, and unduplicated
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 destination port numbers are dynamic
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
DHCP
DNS
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
UTM
TPM
A computer technician is installing a RAID. If the RAID uses mirroring and striping, which RAID level is the technician using?
10
5
1
8
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.
Take it to the garbage dump.
Burn it.
A client packet is received by a server. The packet has a destination port number of 25. What service application is the client requesting?
SMTP
SMB/CIFS
HTTPS
SLP
