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PRACTICE TEST 6 CompTIA A+ (Core 1)

Total questions: 141

Worksheet time: 2hrs 46mins

Name
Class
Date
1.

A laptop shows a faint image on its screen that becomes visible with a flashlight. External video works. Most likely cause?

a)

GPU failure

b)

Backlight/LED driver failure

c)

CMOS battery dead

d)

Incorrect color profile

2.

A user wants to connect a phone to a projector wirelessly without using the building Wi‑Fi. Best option?

a)

Wi‑Fi Direct / Miracast

b)

RDP over the internet

c)

NFC

d)

Telnet

3.

A business traveler needs secure unlock without typing a PIN in public. Which method fits best?

a)

Pattern unlock

b)

Face/iris with liveness detection

c)

Swipe only

d)

Disable lock screen

4.

Which mobile port supports DisplayPort Alternate Mode, USB data, and charging over one cable?

a)

Micro‑USB

b)

USB‑C

c)

Lightning (30‑pin adapter)

d)

Mini‑USB

5.

A user’s Android phone receives corporate email and apps in a managed space separate from personal data. This is:

a)

Developer Mode

b)

Android Enterprise Work Profile

c)

Factory Reset Protection

d)

Bootloader unlock

6.

Which sensor allows auto‑rotate when the device orientation changes?

a)

Magnetometer

b)

Accelerometer/gyroscope

c)

Barometer

d)

Proximity sensor

7.

A laptop with a smartcard slot is configured for two‑factor authentication. Which two factors are used?

a)

Something you know + somewhere you are

b)

Something you have + something you know

c)

Something you are + something you do

d)

Something you are + somewhere you are

8.

A tablet supports stylus pressure and tilt. Which display tech must be present?

a)

Resistive touch only

b)

Active digitizer layer

c)

Infrared frame

d)

Passive capacitive only

9.

Which wireless technology is optimized for low‑power wearables like fitness bands?

a)

Bluetooth Low Energy (BLE)

b)

NFC

c)

802.11ac

d)

Zigbee is the only option

10.

A phone supports eSIM. A practical advantage is:

a)

Faster GPU performance

b)

Multiple carrier profiles without swapping plastic SIMs

c)

Unlimited hotspot data

d)

Stronger Wi‑Fi signal

11.

A laptop’s fan runs constantly and battery drains quickly even at idle. First best step?

a)

Replace the CPU

b)

Check background apps/processes and power plan

c)

Replace the screen

d)

Disable Secure Boot

12.

A phone is configured for Wi‑Fi calling. What additional requirement is typical?

a)

WEP must be enabled

b)

Carrier must provision Wi‑Fi calling and E911 location

c)

Bluetooth headset must be paired

d)

The device must disable cellular entirely

13.

A user needs wired phone‑to‑laptop tethering. What must be true?

a)

Phone must be rooted

b)

Use a data‑capable USB cable and carrier allows tethering

c)

Use a crossover Ethernet cable

d)

Disable PIN lock

14.

Which laptop display type generally has best color and viewing angles among IPS/TN/VA?

a)

TN

b)

IPS

c)

VA

d)

CRT

15.

A phone’s storage is almost full, but photos must be retained. Best setting?

a)

Offload unused apps

b)

Disable iCloud/Drive

c)

Enable photo optimization (store originals in cloud)

d)

Reset network settings

16.

A user wants to use a USB‑C dock to connect Ethernet and HDMI while charging. The laptop must support:

a)

USB‑PD and DP Alt Mode

b)

USB 2.0 only

c)

VGA alt mode

d)

PoE

17.

A traveler wants dual numbers (personal and local SIM) on one iPhone without swapping cards. Feature?

a)

eSIM + physical SIM (Dual‑SIM)

b)

AirDrop

c)

Hotspot

d)

MDM enrollment

18.

A laptop’s keyboard and touchpad stop working when the display is folded to tablet mode. What component triggers this?

a)

TPM

b)

Hall/gyro sensors with OS mode switch

c)

CMOS battery

d)

CPU microcode

19.

Which device reduces broadcast domains by default?

a)

Hub

b)

Switch

c)

Router

d)

Repeater

20.

Which IPv4 mask corresponds to /27?

a)

255.255.255.224

b)

255.255.255.240

c)

255.255.255.248

d)

255.255.255.192

21.

How many usable hosts are in a /25 network?

a)

62

b)

126

c)

254

d)

30

22.

Which IPv6 address type is multicast?

a)

fe80::/10

b)

ff00::/8

c)

2001:db8::/32

d)

fc00::/7

23.

Which DNS record maps a hostname to an IPv4 address?

a)

AAAA

b)

CNAME

c)

A

d)

TXT

24.

Which record indicates the authoritative name servers for a zone?

a)

NS

b)

MX

c)

SOA

d)

PTR

25.

A user can ping 1.1.1.1 but cannot access websites by name. First command to test name resolution on Windows?

a)

tracert

b)

ipconfig /flushdns

c)

nslookup example.com

d)

route print

26.

Which 2.4 GHz channels are non‑overlapping (20 MHz) in most regions?

a)

1, 5, 9

b)

2, 7, 10

c)

1, 6, 11

d)

Any 3 channels

27.

Which standard provides PoE+ (~30 W)?

a)

802.3af

b)

802.3at

c)

802.3bt Type 4

d)

802.11ac

28.

A SOHO router should let guests access the internet but not local devices. Best configuration?

a)

Same VLAN with WPA2

b)

Guest SSID with client isolation on separate VLAN/subnet

c)

Hidden SSID with WEP

d)

Disable DHCP

29.

Which fiber connector is small form factor with a latch, often used in pairs?

a)

ST

b)

SC

c)

LC

d)

BNC

30.

You need to carry multiple VLANs between two switches on one link. Configure:

a)

PortFast

b)

802.1Q trunk

c)

LACP on access ports

d)

BPDU Guard

31.

Which port is default for IMAPS?

a)

143

b)

993

c)

110

d)

995

32.

Which technology improves Wi‑Fi throughput by focusing signal toward clients?

a)

MIMO/Beamforming

b)

WEP

c)

SSID hiding

d)

MAC filtering

33.

A cable run must support 10GBASE‑T to 100 m. Which cabling is recommended?

a)

Cat 5e

b)

Cat 6

c)

Cat 6a

d)

Cat 3

34.

Which tool verifies pair order, split pairs, and length to certify copper cabling?

a)

Tone generator

b)

Cable certifier/qualification tester

c)

OTDR

d)

Loopback plug

35.

Which IPv4 address range is private (RFC1918)?

a)

100.64.0.0/10

b)

172.20.0.0/16

c)

198.51.100.0/24

d)

203.0.113.0/24

36.

You can ping your default gateway but not the internet (by IP or name). Likely issue?

a)

Bad NIC

b)

Upstream ISP/edge routing problem

c)

Faulty DNS cache only

d)

Duplicate MAC

37.

Which motherboard form factor is smallest?

a)

ATX

b)

microATX

c)

Mini-ITX

d)

E-ATX

38.

Which connector provides additional GPU power?

a)

8-pin EPS12V

b)

6/8-pin PCIe power

c)

24-pin ATX

d)

Molex to SATA

39.

Which storage has lowest latency and highest IOPS for desktops?

a)

SATA HDD 7200 RPM

b)

SATA SSD

c)

NVMe (PCIe) SSD

d)

USB 3.0 flash drive

40.

Which RAID level provides mirroring and survives a single drive failure?

a)

RAID 0

b)

RAID 1

c)

RAID 5

d)

RAID 10 only

41.

In the laser printing process, which step bonds toner to paper?

a)

Charging

b)

Exposing

c)

Developing

d)

Fusing

42.

Which display interface typically supports daisy-chaining and high refresh rates?

a)

VGA

b)

DVI-D single-link

c)

DisplayPort

d)

S-Video

43.

Which connector carries SATA power?

a)

7-pin L-shaped

b)

15-pin flat

c)

6-pin PCIe

d)

8-pin EPS

44.

A workstation for CAD/3D rendering should prioritize:

a)

High-end gaming audio card

b)

Multi-core CPU, workstation GPU, lots of RAM

c)

Tape backup drive

d)

Optical drive speed

45.

A cable must be run in an air-handling plenum. Use:

a)

CM

b)

CMR

c)

CMP

d)

Outdoor gel-filled only

46.

Which slot do modern GPUs use?

a)

PCIe x16

b)

PCI

c)

AGP

d)

ISA

47.

A home office wants quiet operation. Which combo helps most?

a)

Many small high-RPM fans + HDDs

b)

Large slow fans + SSD + good airflow

c)

Disable all fans

d)

Install two 15k RPM HDDs

48.

A thermal printer outputs faded text. First step?

a)

Replace toner

b)

Replace imaging drum

c)

Verify thermal paper and clean print head

d)

Replace fuser

49.

A NAS needs faster file transfers. Best network upgrade?

a)

100BASE-TX

b)

1000BASE-T

c)

10GBASE-T

d)

802.11n

50.

Which panel type commonly has narrow viewing angles and color shift?

a)

IPS

b)

TN

c)

OLED

d)

Mini-LED IPS

51.

A motherboard supports M.2 NVMe. Which keying is typical on the SSD?

a)

B-key

b)

E-key

c)

M-key

d)

A-key

52.

A user must connect a parallel printer to a modern laptop. Choose:

a)

USB-to-Parallel adapter

b)

VGA-to-Parallel

c)

HDMI-to-Parallel

d)

RJ-45-to-Parallel

53.

Which PSU label indicates efficiency across loads?

a)

12 V rail rating only

b)

80 PLUS (Bronze/Gold/Platinum)

c)

PCIe connector count

d)

Max burst wattage only

54.

Which 3D printing technology melts filament through a heated nozzle?

a)

SLA

b)

SLS

c)

FDM/FFF

d)

DLP

55.

A Type 1 hypervisor runs:

a)

As an app in a host OS

b)

Directly on bare metal

c)

Only inside containers

d)

Only on laptops

56.

Which VM network mode places the VM on the same subnet as the physical LAN?

a)

NAT

b)

Host-only

c)

Bridged

d)

Loopback

57.

Which cloud model delivers complete applications (email, CRM) to users?

a)

IaaS

b)

PaaS

c)

SaaS

d)

FaaS

58.

A cloud characteristic where resources scale up/down automatically based on demand:

a)

Measured service

b)

Rapid elasticity/auto-scaling

c)

Thick provisioning

d)

Vendor lock-in

59.

Spinning up many VMs without ownership or lifecycle control is:

a)

Cloud bursting

b)

VM sprawl

c)

Hot standby

d)

Blue/green deploy

60.

What is the fastest rollback step before patching a VM?

a)

Export to OVF

b)

Take a snapshot and verify free space

c)

Power off for 24 hours

d)

Increase vCPU by 2

61.

Which endpoint is typical for VDI?

a)

Thick client with local GPU rendering

b)

Thin client with minimal local resources

c)

Gaming console

d)

NAS

62.

In IaaS, who is responsible for guest OS patching?

a)

Cloud provider

b)

Customer

c)

ISP

d)

End users only

63.

Containers differ from VMs because containers:

a)

Include full guest kernels

b)

Share the host kernel and package apps + dependencies

c)

Require a Type 1 hypervisor

d)

Can't be orchestrated

64.

A firm runs databases on-prem and the web tier in public cloud via VPN. This is:

a)

Private cloud

b)

Hybrid cloud

c)

Community cloud

d)

Multi-tenant private

65.

Which storage capability enables instant clones and thin provisioning?

a)

JBOD

b)

Copy-on-write snapshots

c)

Tape library

d)

Optical jukebox

66.

On small lab hosts, which resource is typically exhausted first?

a)

CPU sockets

b)

RAM

c)

Optical drive

d)

Serial ports

67.

Which pricing model is cheapest for interruptible batch jobs?

a)

Dedicated hosts

b)

On-demand

c)

Spot/preemptible instances

d)

Reserved capacity 3-year

68.

To run nested virtualization, you must enable:

a)

More RAM only

b)

VT-x/AMD-V and nested-virt support in the hypervisor

c)

GPU passthrough

d)

Jumbo frames

69.

A thin-provisioned virtual disk:

a)

Allocates full size immediately

b)

Consumes only required space and grows as data is written

c)

Requires a dedicated LUN per VM

d)

Prevents snapshots to avoid overcommit

70.

Your application fails over to another region during an outage. This is:

a)

NAT traversal

b)

Multi-region redundancy

c)

DHCP relay

d)

VLAN pooling

71.

A small business wants email, chat, and storage with minimal administration. Best fit:

a)

IaaS with self-hosted mail server

b)

SaaS collaboration suite

c)

On-prem Exchange cluster

d)

Bare-metal colo

72.

Which solution streams desktops and applications from the data center to endpoints?

a)

FAT client

b)

VDI

c)

Local containers only

d)

Bare-metal restore

73.

A desktop powers on with continuous memory beeps and no video. First action?

a)

Replace PSU

b)

Reseat RAM and try one known-good DIMM in the correct slot

c)

Reinstall Windows

d)

Update GPU driver

74.

PC reports CPU fan error on boot. Best fix?

a)

Plug fan into any chassis header

b)

Ensure cooler is seated and connected to the CPU_FAN header

c)

Disable monitoring

d)

Replace the SSD

75.

After moving desks, Ethernet shows no link lights. First check?

a)

DNS suffix

b)

Use a known-good cable and verify the wall jack is patched to a live switch port

c)

Change MTU

d)

Rebuild TCP stack

76.

A laser printer shows toner smearing that rubs off. Likely fix?

a)

Replace fuser

b)

Replace drum

c)

Clean ink nozzles

d)

Replace transfer belt

77.

An inkjet printer shows missing lines and streaks. First step?

a)

Replace fuser

b)

Run printhead cleaning and alignment

c)

Replace duplexer

d)

Change VLAN

78.

A PC reboots under GPU load; temperatures are normal. What next?

a)

Check PCIe power connectors and PSU wattage/rails

b)

Change Wi‑Fi channel

c)

Replace CMOS battery

d)

Disable IPv6

79.

Users on one floor get 169.254.x.x addresses while the switch and gateway are up. Most likely?

a)

DNS issue

b)

DHCP relay (IP helper) missing for that VLAN

c)

Duplex mismatch

d)

PortFast disabled

80.

You can access a file server by IP but not by name; ping filesrv resolves to an old IP. Fix?

a)

Reboot switch

b)

Correct the DNS record and flush the client DNS cache

c)

Disable IPv6 globally

d)

Increase DHCP lease time

81.

A monitor shows “Out of Range” after setting 4K at 120 Hz on an older HDMI link. Quick recovery?

a)

Replace CPU

b)

Boot to Safe Mode or low resolution and choose a supported mode

c)

Reinstall printer

d)

Clear CMOS only

82.

After adding an M.2 NVMe, one SATA port disappears. Cause?

a)

Bad NIC

b)

Chipset lane sharing disables a SATA port when that M.2 slot is used

c)

DHCP exhaustion

d)

DNS poisoning

83.

A fiber link alarms with high attenuation after a rack move. Most common cause?

a)

Dirty connectors or tight bend radius

b)

SSID mismatch

c)

Wrong default gateway

d)

DNSSEC failure

84.

A user reports motion blur or ghosting in games on a 60 Hz monitor. Best improvement?

a)

Enable overdrive and/or use a higher refresh rate

b)

Enable WEP

c)

Lower DHCP lease time

d)

Replace PSU

85.

A network printer is pingable but shows Offline in Windows. First step?

a)

Replace toner

b)

Restart the Print Spooler and verify the TCP/IP port points to the printer’s IP or hostname

c)

Change SSID

d)

Replace router

86.

A PC reports No boot device after adding a new HDD. Likely fix?

a)

Update GPU driver

b)

Set the OS drive first in UEFI boot order

c)

Clear DNS cache

d)

Replace power cord

87.

You must trace an unlabeled wall jack to the patch panel. Which tool pair?

a)

Loopback plug only

b)

Tone generator and probe

c)

OTDR only

d)

Optical power meter

88.

Users near the microwave lose Wi‑Fi. Best mitigation?

a)

Increase channel width on 2.4 GHz

b)

Move clients and APs to 5/6 GHz and adjust channels

c)

Enable WEP

d)

Disable RTS/CTS

89.

A PoE camera won’t power from one switch port but works on another. Likely issue?

a)

VLAN mismatch

b)

PoE disabled or a non‑PoE port

c)

DNS misconfiguration

d)

Wrong subnet mask

90.

After a brief outage, domain logons fail due to time skew. Quick fix?

a)

Disable DNS on clients

b)

Restore NTP and time synchronization across the domain

c)

Change to static IPs

d)

Update GPU firmware

91.

A laptop shows a faint image on its screen that becomes visible with a flashlight. External video works. Most likely cause?

a)

GPU failure

b)

Backlight/LED driver failure

c)

Inverter board failure

d)

Loose LVDS/eDP cable

92.

A user wants to connect a phone to a projector wirelessly without using the building Wi‑Fi. Best option?

a)

AirPlay over the enterprise network

b)

Wi‑Fi Direct / Miracast

c)

Bluetooth screen share

d)

NFC tap to project

93.

A business traveler needs secure unlock without typing a PIN in public. Which method fits best?

a)

Pattern unlock

b)

Face/iris with liveness detection

c)

Basic fingerprint without liveness checks

d)

Trusted location auto‑unlock

94.

Which mobile port supports DisplayPort Alt Mode, USB data, and charging over one cable?

a)

Micro‑USB

b)

USB‑C

c)

Lightning

d)

3.5 mm headset jack

95.

A user’s Android phone receives corporate email/apps in a managed space separate from personal data. This is:

a)

Factory Reset Protection

b)

Android Enterprise Work Profile

c)

Developer options

d)

Bootloader unlock

96.

Which sensor allows auto‑rotate when the device orientation changes?

a)

Proximity sensor

b)

Accelerometer/gyroscope

c)

Magnetometer

d)

Barometer

97.

A laptop with a smartcard slot is configured for two‑factor authentication. Which two factors are used?

a)

Something you have + something you know

b)

Something you have + something you are

c)

Something you know + something you are

d)

Something you know + location

98.

A tablet supports stylus pressure and tilt. Which display tech must be present?

a)

Passive capacitive only

b)

Active digitizer layer

c)

E‑ink display

d)

TN LCD panel

99.

Which wireless technology is optimized for low‑power wearables like fitness bands?

a)

Zigbee

b)

Bluetooth Low Energy (BLE)

c)

NFC

d)

802.11ac Wi‑Fi

100.

A phone supports eSIM. A practical advantage is:

a)

Higher voice quality

b)

Multiple carrier profiles without swapping plastic SIMs

c)

Better camera performance

d)

Faster charging capability

101.

A laptop’s fan runs constantly and the battery drains quickly even at idle. First best step?

a)

Replace the battery

b)

Check background apps/processes and the power plan

c)

Reseat the CPU heatsink

d)

Reinstall the operating system immediately

102.

A phone is configured for Wi‑Fi calling. What additional requirement is typical?

a)

Turn off airplane mode

b)

Carrier must provision Wi‑Fi calling and E911 location

c)

Install a VPN client

d)

Root the device for VoIP

103.

A user needs wired phone‑to‑laptop tethering. What must be true?

a)

Any charging‑only cable will work

b)

Use a data‑capable USB cable and the carrier allows tethering

c)

Bluetooth is required

d)

Airplane mode must be enabled

104.

Which laptop display type generally has the best color and viewing angles among IPS/TN/VA?

a)

TN

b)

IPS

c)

VA

d)

OLED

105.

A phone’s storage is almost full, but photos must be retained. Best setting?

a)

Disable cloud backup

b)

Enable photo optimization (store originals in cloud)

c)

Lower camera resolution only

d)

Delete all photos locally and in cloud

106.

A user wants to use a USB‑C dock to connect Ethernet and HDMI while charging. The laptop must support:

a)

USB 2.0 only

b)

USB‑PD and DP Alt Mode

c)

Only Thunderbolt 1

d)

MHL over micro‑USB

107.

A traveler wants dual numbers (personal and local SIM) on one iPhone without swapping cards. Feature?

a)

Single SIM only

b)

eSIM + physical SIM (Dual‑SIM)

c)

SIM PIN lock

d)

Carrier unlock code

108.

A laptop’s keyboard and touchpad stop working when the display is folded to tablet mode. What component triggers this?

a)

CPU thermal sensor

b)

Hall/gyro sensors with OS mode switch

c)

CMOS battery

d)

Trackpad firmware update

109.

Which device reduces broadcast domains by default?

a)

Hub

b)

Switch

c)

Router

d)

Repeater

110.

Which IPv4 mask corresponds to /27/27 ?

a)

255.255.255.240255.255.255.240

b)

255.255.255.224255.255.255.224

c)

255.255.255.248255.255.255.248

d)

255.255.255.192255.255.255.192

111.

How many usable hosts are in a /25/25 network?

a)

6262

b)

126126

c)

254254

d)

510510

112.

Which IPv6 address type is multicast?

a)

fe80::/10fe80::/10

b)

ff00::/8ff00::/8

c)

2001::/162001::/16

d)

::1/128::1/128

113.

Which DNS record maps a hostname to an IPv4 address?

a)

AAAA

b)

CNAME

c)

A

d)

PTR

114.

Which DNS record indicates the authoritative name servers for a zone?

a)

MX

b)

NS

c)

TXT

d)

SOA

115.

A user can ping 1.1.1.1 but cannot access websites by name. First command to test name resolution on Windows?

a)

ipconfig /release

b)

nslookup example.com

c)

netstat -an

d)

chkdsk

116.

Which 2.4 GHz channels are non‑overlapping (20 MHz) in most regions?

a)

2, 7, 12

b)

1, 6, 11

c)

3, 9, 13

d)

4, 8, 14

117.

Which standard provides PoE+ (approximately 30 W30\,\mathrm{W} )?

a)

802.3af

b)

802.3at

c)

802.3bt Type 4

d)

802.11ac

118.

A SOHO router should let guests access the internet but not local devices. Best configuration?

a)

Single SSID with a shared password

b)

Guest SSID with client isolation on a separate VLAN/subnet

c)

Port forwarding to the NAS

d)

Disable DHCP on the router

119.

Which fiber connector is a small form factor with a push‑pull latch, often used in pairs?

a)

ST

b)

SC

c)

LC

d)

MTRJ

120.

You need to carry multiple VLANs between two switches on one link. Configure:

a)

Access port

b)

802.1Q trunk

c)

Port mirroring (SPAN)

d)

EtherChannel only (no VLAN tags)

121.

Which port is default for IMAPS?

a)

143

b)

993

c)

110

d)

995

122.

Which technology improves Wi‑Fi throughput by focusing signal toward clients?

a)

MIMO/Beamforming

b)

CSMA/CA

c)

WEP encryption

d)

NAT translation

123.

A cable run must support 10GBASE‑T to 100 m. Which cabling is recommended?

a)

Cat 5e

b)

Cat 6

c)

Cat 6a

d)

Cat 7

124.

Which tool verifies pair order, split pairs, and cable length to certify copper cabling?

a)

Tone generator and probe

b)

Cable certifier/qualification tester

c)

Digital multimeter

d)

Loopback plug

125.

Which IPv4 address range is private (RFC1918)?

a)

11.0.0.0/8

b)

172.20.0.0/16

c)

100.64.0.0/10

d)

169.254.0.0/16

126.

You can ping your default gateway but not the internet (by IP or name). Likely issue?

a)

Bad NIC driver on the client

b)

Upstream ISP/edge routing problem

c)

Wrong subnet mask on the client

d)

Faulty patch cable to the switch

127.

Which motherboard form factor is smallest?

a)

ATX

b)

microATX

c)

Mini‑ITX

d)

E‑ATX

128.

Which connector provides additional GPU power?

a)

SATA power

b)

6‑/8‑pin PCIe power

c)

4‑pin Molex (Peripheral)

d)

24‑pin ATX motherboard power

129.

Which storage has the lowest latency and highest IOPS for desktops?

a)

7200‑RPM HDD

b)

SATA SSD

c)

NVMe (PCIe) SSD

d)

Hybrid SSHD

130.

Which RAID level provides mirroring and survives a single drive failure? (Two Answers)

a)

RAID 0

b)

RAID 1

c)

RAID 5

d)

RAID 10

131.

In the laser printing process, which step bonds toner to paper?

a)

Charging

b)

Exposing

c)

Developing

d)

Fusing

132.

Which display interface typically supports daisy‑chaining and high refresh rates?

a)

VGA

b)

HDMI 1.4

c)

DisplayPort

d)

DVI‑D

133.

Which connector carries SATA power?

a)

7‑pin SATA data

b)

15‑pin flat SATA power

c)

4‑pin Berg

d)

6‑pin PCIe

134.

A workstation for CAD/3D rendering should prioritize:

a)

Single‑core CPU and high‑RPM HDD

b)

Multi‑core CPU, workstation GPU, lots of RAM

c)

Basic integrated GPU and minimal RAM

d)

Fanless silent components above all

135.

A cable must be run in an air‑handling plenum. Use:

a)

CMR

b)

CMP

c)

PVC THHN

d)

Outdoor direct‑burial jacket

136.

Which slot do modern GPUs use?

a)

PCIe x1

b)

PCIe x16

c)

AGP

d)

PCI

137.

A home office wants quiet operation. Which combination helps most?

a)

Small high‑RPM fans and an HDD

b)

Large slow fans plus SSD with good airflow

c)

Water cooling only with no case fans

d)

Passive cooling on a high‑TDP CPU

138.

A thermal printer outputs faded text. First step?

a)

Replace the DC motor

b)

Verify thermal paper and clean the print head

c)

Update USB drivers

d)

Replace the logic board

139.

A NAS needs faster file transfers. Best network upgrade?

a)

100BASE‑TX

b)

1000BASE‑T

c)

10GBASE‑T

d)

Wi‑Fi 5 (802.11ac)

140.

Which RAID configuration provides simple disk mirroring, stores identical data on two drives, and can tolerate the failure of one drive with no performance gain?

a)
RAID 0
b)
RAID 1
c)
RAID 5
d)
RAID 10
141.

Which RAID configuration combines disk mirroring and striping, requires a minimum of four drives, offers improved performance and redundancy, and can survive multiple drive failures as long as they are not in the same mirror pair?

a)
RAID 10
b)
RAID 6
c)
RAID 1
d)
RAID 5

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