Professor Messer Core 1 A+ 220-1201 Practice Exam B Multiple Choice

A server administrator has four identical drives to install

into a database server. Which of these RAID types would

provide both redundancy and the most available storage space?

A. RAID 5

B. RAID 10

C. RAID 0

D. RAID 1

A. RAID 5

A user is attempting to charge their iPhone, but the

charging icon does not appear when connecting the

charging cable. A working cable from another iPhone

exhibits the same symptoms. Which of the following is

the most likely reason for this issue?

A. The screen is locked

B. An iOS update is pending

C. The iPhone has low signal

D. The charging port is damaged

D. The charging port is damaged

A user in the marketing department needs an LCD

with the best possible color representation. Which of the

following would be the best choice for this requirement?

A. TN

B. CCFL

C. IPS

D. VA

C. IPS

A company is receiving an increase in malware delivered

to random employees through email attachments. Which

of the following would be the best way to protect users

against this malicious software?

A. Spam gateway

B. DHCP services

C. Syslog

D. VLANs

A. Spam gateway

A user has reported their tablet is not able to retrieve

or send mail, browse the Internet, or connect to video

conferences. Apps on the device which do not require

connectivity are working as expected. Which of these

would be the most likely cause of this issue?

A. Battery is very low

B. The Wi-Fi network is out of range

C. The touch screen needs calibration

D. The tablet is overheated

B. The Wi-Fi network is out of range

A PC technician has been asked to replace the LCD on

a touch-screen laptop computer. Which of the following

would be the most important component to test after

this replacement?

A. Digitizer

B. Keyboard

C. Audio controls

D. System memory

A. Digitizer

The computers in the shipping department are receiving

the message “No connectivity” on their computers. The

ipconfig output on one of the computers provides this

information:

IPv4 Address: 192.168.1.22

Subnet Mask: 255.255.255.0

Default Gateway: 192.168.1.1

From this device, a technician is able to successfully ping

127.0.0.1 and 192.168.1.22. The technician can also ping

other devices in the shipping department, but cannot

receive a ping response from servers in the data center or

from the 192.168.1.1 address.

Which of these would be the most likely cause of

this issue?

A. The DHCP server is down

B. The wireless network is experiencing interference

C. The local router is down

D. The Internet provider is experiencing an outage

C. The local router is down

Which of the following would be the best way to activate

the screen of a smartphone without physically touching

the display?

A. Trackpad

B. Port replicator

C. Smart card reader

D. Stylus

D. Stylus

A graphics designer is working on a computer that

powers itself off after about an hour of work. The

computer tends to power down when working on

complex designs that require extensive CPU utilization.

Which of the following would be the most likely reason

for this issue?

A. The case fans are blocked

B. The hard drive is failing

C. The graphics software is corrupted

D. A device driver is outdated

A. The case fans are blocked

Which of these services would be associated with a

Windows file transfer?

A. LDAP

B. SMB

C. IMAP

D. SSH

B. SMB

An administrator has installed a hypervisor on a server,

but the administrator is not installing Windows or

Linux. Which of the following would best describe this

installation?

A. VDI

B. Containerization

C. Hybrid cloud

D. Type 1

D. Type 1

A technician is removing a cover from the bottom of a

Windows laptop. Which of the following would be the

most likely reason for this task?

A. Replace the thermal paste

B. Reset the operating system

C. Connect an external display

D. Upgrade the memory

E. Add a stylus

A company is using a cloud-based service that provides a

hardware platform and no additional software. Which of

these would best describe this purchase?

A. SaaS

B. Hybrid

C. Metered

D. IaaS

D. IaaS

While working at their desk, a laptop user would like to

use a full-size keyboard and external mouse. They would

also like to connect to a monitor and wired network

without connecting and disconnecting cables each time

they leave the desk. Which of these would be the best

way to provide this functionality?

A. Use separate desktop and laptop computers

B. Install a docking station at the user’s desk

C. Use a wireless access point at the user’s desk

D. Install a USB hub for the laptop

B. Install a docking station at the user’s desk

A server administrator needs to store gigabytes of server

performance statistics for future analysis. The data needs

to be always be available, even if a storage drive fails.

Which of the following would be the best choice for this

data?

A. Optical drive

B. Flash drive

C. RAID

D. DDR

C. RAID

In which of the following would a cable with a DB-9

connector be used?

A. Attaching a mouse or keyboard to a desktop computer

B. Configuring a router

C. Connecting an external storage device

D. Attaching a video camera to a computer

B. Configuring a router

A workstation administrator is configuring a new system

for graphics designers, and the users have requested the

fastest possible storage speed for reading and writing

data. Which of the following would be the best choice

for this requirement?

A. 10 TB NAS

B. 8 TB HDD

C. 5 TB SAN

D. 2 TB SSD

D. 2 TB SSD

A user has connected a new laptop to an LCD projector

in a conference room. About thirty minutes into the

presentation, the projector light turns off but the

projector fans continue to run. Which of the following

would be the most likely reason for this issue?

A. Incorrect laptop cable

B. Poor projector airflow

C. Dead pixels

D. Incorrect resolution setting

B. Poor projector airflow

A marketing manager is printing a document on the

company letterhead stored in one of the printer trays.

However, the output is instead printed from a tray

containing plain paper. Which of the following would be

the best way to resolve this issue?

A. Select the duplex print option

B. Enable collated output

C. Modify the output tray in the print dialog

D. Change the output orientation

C. Modify the output tray in the print dialog

A system administrator has noticed that their cloud

implementation supports multiple application instances

during the busy workday, but only one application

instance is available during the slower evening shifts.

Which of the following would best describe

this functionality?

A. Metered utilization

B. Elasticity

C. Availability

D. Shared resources

E. File synchronization

B. Elasticity

A security administrator would like to ensure that each

login attempt from a smartphone is from someone

physically located inside the corporate office. Which of

the following would provide this functionality?

A. Serial interface

B. GPS

C. VPN

D. Hotspot

B. GPS

A technician is connecting USB interfaces on a computer

case to the motherboard. Which of the following would

be commonly used for this connectivity?

A. PCIe

B. eSATA

C. TPM

D. Headers

D. Headers

A company is building an ARM-based IoT device for

the consumer market. Which of the following would

be an advantage of using the ARM architecture for this

product? (Choose TWO)

❍ A. Redundancy

❍ B. High speed networking

❍ C. Low power use

❍ D. NAS

❍ E. Load balancing

❍ F. Minimal heat

C. Low power use F. Minimal heat

A manufacturing company uses a specialized printer

which connects to a Windows computer over a USB

connection. Which of the following would be the best

way to allow all Windows devices in the company to

send print jobs to this printer?

❍ A. Connect the printer to an Ethernet switch

❍ B. Configure Windows Printer Sharing

❍ C. Use Print to File and copy the file to the printer

❍ D. Copy the print jobs to a USB drive

B. Configure Windows Printer Sharing

Which of these would commonly be used to connect to

an external storage device?

❍ A. F-connector

❍ B. ST

❍ C. eSATA

❍ D. Molex

C. eSATA

A company has acquired computers that were previously

part of a third-party lease. All of the computers prompt

for a password when powering on the system before the

operating system will load, but the password was not

included with the computers. Which of the following

would be the best way to resolve this issue?

❍ A. Replace the primary storage drive

❍ B. Boot from the Windows installation media

❍ C. Reset the BIOS using jumpers on

the motherboard

❍ D. Disconnect the power cable for ten minutes

C. Reset the BIOS using jumpers on the motherboard

A user has complained that a laptop will not charge the

battery past 25% percent, and the laptop only operates

for fifteen minutes when on battery power. The battery

and the AC adapter have already been replaced.

Which of the following components would be the most

likely cause of this issue?

❍ A. Motherboard

❍ B. Backlight inverter

❍ C. 802.11 adapter

❍ D. CPU

A. Motherboard

A field engineer is working at a remote site that is under

construction, but the site does not have an Ethernet or

Wi-Fi Internet connection. Which of the following

would be the best way to get access to the Internet at this

location?

❍ A. Bluetooth

❍ B. Hotspot

❍ C. MAN

❍ D. NFC

B. Hotspot

Which of the following would be the most likely reason

the finishing function of a printer would punch two holes

in a page instead of three?

❍ A. The incorrect paper tray is selected

❍ B. The print driver is not configured properly

❍ C. The printer is low on toner

❍ D. The connection between the computer and the

printer is faulty

B. The print driver is not configured properly

A technician is upgrading the RAM on a laptop

computer. Which of the following would best describe

the memory required for this upgrade?

❍ A. SSD

❍ B. SO-DIMM

❍ C. Memory card

❍ D. ECC

B. SO-DIMM

A hospital would like to use a hands-free authentication

system based on the user's proximity to the computer.

Which of the following technologies would be the best

choice for this system?

❍ A. NFC

❍ B. 5G

❍ C. MDM

❍ D. SSD

A. NFC

An IT department is building out a new floor of office

space for the company. Which of the following cables

would be the best choice to install in the active airspace

above the drop ceiling?

❍ A. Plenum-rated

❍ B. Shielded twisted-pair

❍ C. Coaxial

❍ D. PVC jacketed twisted-pair

A. Plenum-rated

A developer is connecting a laptop to an LCD projector,

but the projected image is flickering and occasionally

part of the output will appear blocky and difficult to read.

Which of the following should resolve this issue?

❍ A. Replace the projector's video cable

❍ B. Turn the projector off and back on again

❍ C. Update the laptop's video driver

❍ D. Connect the laptop to a power source

A. Replace the projector’s video cable

A graphics designer needs to connect their macOS

computer to a second monitor and an external storage

drive. Which of the following interface types would

provide this connectivity?

❍ A. Lightning

❍ B. DisplayPort

❍ C. DVI-D

❍ D. Thunderbolt

D. Thunderbolt

What cloud-based service provides hardware, but still

requires the user to setup, configure, and manage the

operating system and applications?

❍ A. SaaS

❍ B. PaaS

❍ C. IaaS

❍ D. DaaS

C. IaaS

Which of the following would be most associated with a

SAN?

❍ A. Bluetooth

❍ B. RAID

❍ C. APIPA

❍ D. Cellular

B. RAID

A network administrator is using a laptop computer to

configure a switch over a direct cable connection. Which

of the following would best describe this connectivity?

❍ A. Bluetooth

❍ B. Thunderbolt

❍ C. Serial

❍ D. Lightning

C. Serial

A manager in the accounting department is complaining

of slow performance on her computer. Initial

troubleshooting shows low utilization of CPU and

memory. A network speed test reports normal

throughput to the local network devices. Which of the

following would be the best next step for troubleshooting

this issue?

❍ A. Boot to Safe Mode

❍ B. Upgrade the BIOS

❍ C. Replace the memory modules

❍ D. Perform a hard drive diagnostic

D. Perform a hard drive diagnostic

A server administrator has moved a database server from

a lab to a data center. After installing the server in a data

center rack, the system does not power on. None of the

system lights are on, and the power supply and cooling

fans do not spin up. Which of the following should be

the first troubleshooting step for this issue?

❍ A. Replace the power supply

❍ B. Reseat all of the internal components

❍ C. Check the power cable

❍ D. Replace the motherboard

C. Check the power cable

A user is traveling and has enabled airplane mode on

their laptop, but they would still like to use their wireless

headset. Which of these settings should be enabled to

allow this functionality?

❍ A. Wi-Fi

❍ B. USB

❍ C. Bluetooth

❍ D. Cellular

C. Bluetooth

A user has submitted a job to a network printer, but the

printer will not begin to print until the user has typed

their PIN on the printer console. Which of the following

would best describe this scenario?

❍ A. Badging

❍ B. Secured prints

❍ C. Active Directory

❍ D. ADF

B. Secured prints

An error message has appeared when starting up a laptop

computer with the message "SMART Failure Predicted."

Which of the following would be most related to this

notification message?

❍ A. Storage drive is failing

❍ B. RAM failed a memory diagnostic

❍ C. Battery life is below 20%

❍ D. Network connectivity is intermittent

A. Storage drive is failing

A system administrator needs to install an access point

using PoE. However, the installed Ethernet switch does

not support any PoE interfaces. Which of the following

would be the best way to provide PoE functionality?

❍ A. Use a different access point

❍ B. Replace the switch with a router

❍ C. Upgrade the switch's power supply

❍ D. Add an injector

D. Add an injector

A network administrator is capturing all network traffic

from a specific NIC. Which of the following would best

describe the unique network identifier associated with

this NIC?

❍ A. MAC address

❍ B. APIPA

❍ C. Serial number

❍ D. Subnet mask

A. MAC address

An organization has implemented a cloud solution using

a third-party data center. Access to the cloud service

is available to anyone on the Internet. Which of the

following describes this deployment model?

❍ A. Hybrid

❍ B. Public

❍ C. Community

❍ D. Private

B. Public

What voltages would be commonly found on a

motherboard's power supply connector?

❍ A. 120 V AC

❍ B. 12 V AC, 5 V AC, 3.3 V AC

❍ C. 12 V DC, 5 V DC, 3.3 V DC

❍ D. 120 V DC

C. 12 V DC, 5 V DC, 3.3 V DC

A user is reporting this message on their Windows

computer taskbar icon: "Limited or No connectivity."

Which of the following would be the best next

troubleshooting step?

❍ A. Check the local IP address configuration

❍ B. Restart the computer

❍ C. Ping the default gateway

❍ D. Check the switch VLAN configuration

❍ E. Check for a duplicate IP address

A. Check the local IP address configuration

What kind of device is installed into a computer and

directly connects the computer to an Ethernet network?

❍ A. NIC

❍ B. Switch

❍ C. Repeater

❍ D. Bridge

A. NIC

A network administrator is planning to connect the

network of two buildings together with a Category 6A

cable. Ten Ethernet cables have been run from a wiring

closet, through a conduit, and into a wiring closet on the

other side. The network administrator needs to identify

the ends of the cables so they can be properly terminated

on each side. Which of the following should be used to

complete this task?

❍ A. Cable stripper

❍ B. Loopback plug

❍ C. Tone generator

❍ D. Crimper

C. Tone generator

A server administrator has configured a database server

with a RAID 0 array containing four hard drives. An

error notification from the RAID controller states that

disk 3 has failed. Which of the following would be the

BEST way to address this disk failure?

❍ A. Replace the drive and re-mirror the array

❍ B. Replace the drive and resynchronize the array

❍ C. Replace the drive and restore from backup

❍ D. Replace all drives and restore from backup

❍ E. Replace all drives and resynchronize the array

C. Replace the drive and restore from backup

A company is installing a new communications link

using SC interfaces. Which of the following would best

describe this connection?

❍ A. Fiber optic

❍ B. USB-C

❍ C. 10GBASE-T

❍ D. M.2

A. Fiber optic

A technician believes the photosensitive drum on a

networked laser printer is scratched. Which of the

following helped the technician identify this issue?

❍ A. Garbled text

❍ B. Toner not sticking to the paper

❍ C. Grinding noises

❍ D. Solid line down the printed page

D. Solid line down the printed page

An application developer is designing an app which uses

three servers running simultaneously as VMs on her

desktop. An upgrade to the application will add three

additional servers to the list of running VMs. Which of

these hardware resources will be the most important for

this upgrade?

❍ A. Video adapter

❍ B. Network connection

❍ C. RAM

❍ D. CPU

C. RAM

A company has experienced a significant increase in

printing costs over the last few months. Which of the

following would provide the best way to track and

manage these costs?

❍ A. Audit logs

❍ B. Print spooler uptime

❍ C. Power usage monitor

❍ D. Packet captures

A. Audit logs

A network engineer is troubleshooting an issue

communicating to the Internet over a newly installed

DSL connection. A laptop is connected to a DSL router

over twisted pair copper. The IP configuration of the

laptop is:

IP address: 169.254.228.109

Subnet mask: 255.255.0.0

DNS: 9.9.9.9

Which of the following should be the next

troubleshooting step?

❍ A. Reset the DSL modem

❍ B. Modify the subnet mask

❍ C. Change the DNS server address

❍ D. Check the status of the DHCP server

D. Check the status of the DHCP server

A user in the accounting department has configured their

mobile phone as a hotspot. Which of these would best

describe this configuration?

❍ A. Use the phone as a method of payment

❍ B. Fast-charge the phone

❍ C. Access the Internet through the phone

❍ D. Connect to external speakers

C. Access the Internet through the phone

A user has logged into their laptop using a fingerprint

reader on the laptop's keyboard tray. Which of the

following would best describe this technology?

❍ A. NFC

❍ B. GPS

❍ C. Screen digitizer

❍ D. Biometrics

D. Biometrics

An organization has recently implemented a browser based email system that requires no additional software on the user devices. Which of the following would describe this type of application?

❍ A. SaaS

❍ B. IaaS

❍ C. HaaS

❍ D. PaaS

A. SaaS

What type of power supply can operate across countries

using different voltages?

❍ A. High-voltage

❍ B. Primary

❍ C. Modular

❍ D. Voltage switching

D. Voltage switching

A user is reporting after starting their desktop, they

receive the message “Windows has detected an IP

address conflict.” Which of the following would be the

best way to resolve this issue?

❍ A. Replace the Ethernet patch cable

❍ B. Enable DHCP on the workstation

❍ C. Bounce the switch port

❍ D. Reboot the default gateway

B. Enable DHCP on the workstation

Each time a user logs in, they must insert their

company ID card to a USB card reader to complete

the authentication. Which of the following would best

describe the technology used for this authentication?

❍ A. 802.1

❍ B. Bluetooth

❍ C. SMB

❍ D. RFID

D. RFID

Which of the following connectors would be used to

terminate a copper Ethernet patch cable?

❍ A. BNC

❍ B. Lightning

❍ C. RJ45

❍ D. DB-9

C. RJ45

A user has started their laptop, but the screen is

completely covered with colored lines and flashing

colors. Which of the following would best resolve

this issue?

❍ A. Replace the laptop screen

❍ B. Enable the display's scaling option

❍ C. Change the output resolution

❍ D. Disable the dynamic color temperature option

A. Replace the laptop screen

A system administrator has just received a laptop

previously sent out for repair. However, after powering

on the computer, the laptop no longer responds to the

stylus. Which of the following is the most likely reason

for this issue?

❍ A. The GPU requires an updated device driver

❍ B. The display needs a new inverter

❍ C. The display needs to be paired to the laptop

motherboard

❍ D. The digitizer is faulty

D. The digitizer is faulty

A graphics designer has noticed that small dots on their

screen remain a solid black color, even when the image

should display a different color. Which of the following

would describe this issue?

❍ A. Burn-in

❍ B. Non-native resolution

❍ C. Incorrect data source

❍ D. Dead pixel

D. Dead pixel

A gaming enthusiast has upgraded his home computer

from integrated graphics to a separate video adapter card.

The computer operates as expected for web browsing and

word processing applications. However, playing a game

results in the system shutting down after a few minutes

of operation. Which of the following would be the most

likely component causing this issue?

❍ A. CPU

❍ B. Power supply

❍ C. RAM

❍ D. SSD

B. Power supply

A network administrator has just installed a new access

point in a downtown office building, but now users

are reporting intermittent connectivity to the Internet.

Which of the following would be the first thing

to check?

❍ A. SSID broadcast option

❍ B. Firmware version

❍ C. MAC filter

❍ D. Channel interference levels

D. Channel interference levels

A company would like to advertise a list of email servers

authorized to send messages on their behalf. Which

of the following would be the best way to provide this

information?

❍ A. APIPA

❍ B. Proxy server

❍ C. UTM

❍ D. SPF record

D. SPF record

A company assigns IP addresses automatically to each

device, and those addresses will remain on the device

for a minimum of 8 hours. Which of the following best

describes this configuration?

❍ A. Subnet mask

❍ B. Lease

❍ C. SDN

❍ D. Reservation

B. Lease

Users in the marketing department are reporting that

one network printer is not working. There are many

print jobs in the queue, but none of the jobs are printing.

A test print from the printer's front panel does not

print any pages. What is the most likely reason for this

printing issue?

❍ A. Printer drivers need to be updated

❍ B. Network is disconnected

❍ C. Printer hardware has failed

❍ D. Print spooler needs to be restarted

C. Printer hardware has failed

A member of the accounting department would like to

work remotely while attending a conference in another

city. Which of these technologies would best provide this

functionality?

❍ A. VLAN

❍ B. 802.11

❍ C. VPN

❍ D. PAN

C. VPN

In which of the following situations would you be most

likely to use a network tap?

❍ A. Attach an RJ45 connector to the end of an

Ethernet cable

❍ B. Capture packets from a network link

❍ C. Test packet loss on a router interface

❍ D. Locate a specific workstation connection on a

punch-down block

B. Capture packets from a network link

A digital graphics department has been using a SAN to

store their image files. The team now reports that all of

the files on the SAN are no longer accessible. Which of

the following should be the first thing to check on

the SAN?

❍ A. RAID array status

❍ B. CPU utilization

❍ C. Input voltage

❍ D. Cache hits

A. Raid array status

A network administrator is installing a new access

point between buildings. Which of the following would

determine the usable frequencies and maximum signal

strength for this connection?

❍ A. End User License Agreement

❍ B. Type of data transferred

❍ C. Acceptable Use Policy

❍ D. Government regulations

D. Government regulations

A network administrator is pinging a site on the Internet

and receives these results:

C:\Users\professor>ping 9.9.9.9

Pinging 9.9.9.9 with 32 bytes of data:

Reply from 9.9.9.9: bytes=32 time=618ms TTL=128

Reply from 9.9.9.9: bytes=32 time=816ms TTL=128

Reply from 9.9.9.9: bytes=32 time=627ms TTL=128

Reply from 9.9.9.9: bytes=32 time=727ms TTL=128

Ping statistics for 9.9.9.9:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 618ms, Maximum = 816ms, Average = 697ms

Which of the following would best describe these state

of this network connection?

❍ A. Dropped packets

❍ B. Excessive latency

❍ C. Port flapping

❍ D. Network loop

B. Excessive latency

A system administrator needs to upgrade the hard drives

in a RAID array. Which of the following would be the

best measurement of read and write times on the new

hard drives?

❍ A. S. M. A. R. T.

❍ B. Jitter

❍ C. IOPS

❍ D. RPM

C. IOPS

A user normally stores files in their H: drive, but the

drive letter is not appearing in File Explorer. Which

of the following would be the most likely reason for

this issue?

❍ A. Local drive performance is slow

❍ B. Login script did not run

❍ C. A drive in a RAID 1 array has failed

❍ D. The share is already in use

B. Login script did not run

A user’s desktop computer does not start in the morning

when the power button is pressed. A technician notices

that the screen remains dark, but fans are spinning inside

of the computer case. No messages are displayed and no

beeps are heard. Which of the following would be the

most likely reason for this issue?

❍ A. Faulty RAM

❍ B. No boot drive found

❍ C. The CPU is overheating

❍ D. Bad power supply

D. Bad power supply

A user in the shipping department needs a charging

cable for their Android phone. Which of the following

connectors would be the most likely to work on this

phone?

❍ A. USB-C

❍ B. Lightning

❍ C. RJ45

❍ D. Thunderbolt

A. USB-C

A company has installed a page scanner that outputs the

scanned files to SMB. Which of the following would be

the most likely destination for these scanned images?

❍ A. Cloud storage

❍ B. Windows share

❍ C. eSATA drive

❍ D. Network printer

❍ E. Email inbox

B. Windows share

A workstation administrator has been asked to

troubleshoot an issue with Internet connectivity on

a laptop computer. The network status in the taskbar

shows a yellow exclamation mark with the message

“No Internet access.” When examining the Ethernet

connection on the laptop, the cable sheath is an inch

short and individual copper wires are visibly disconnected

from the RJ45 connector. Which of the following should

be used to correct this issue?

❍ A. Crimper

❍ B. Punch-down tool

❍ C. Loopback plug

❍ D. Cable tester

A. Crimper

A network administrator needs to connect two sites

located on opposite sides of the city. Which of these

network connections would be the most appropriate?

❍ A. MAN

❍ B. PAN

❍ C. LAN

❍ D. WAN

A. MAN

Which of the following would be the BEST way to

remove toner and paper dust from the inside of a

laser printer?

❍ A. Use a chemical cleaner that removes

toner particles

❍ B. Run a cleaning page through the printer

❍ C. Wipe the inside with a damp cloth

❍ D. Use compressed air to blow out the particles

C. Wipe the inside with a damp cloth

A system administrator is connecting a remote site to the

Internet over a single pair of copper wires. Which of the

following is the administrator using for this installation?

❍ A. PoE switch

❍ B. Tap

❍ C. DSL modem

❍ D. ONT

C. DSL modem

Which of the following would most commonly be

associated with a thermal pad?

❍ A. Connect a heat sink to a processor

❍ B. Install a fan in a desktop computer case

❍ C. Mount a radiator for liquid cooling

❍ D. Manage CPU speed based on the current

temperature

A. Connect a heat sink to a processor