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CompTIA P1 Study Guide > Chapt 3 > Flashcards

Chapt 3 Flashcards

1
Q

CRT monitors are bulky and heavy, and almost certainly use an _______ signal (and _____ connector)

A

analog VGA

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2
Q

three acronyms for LCD monitors:

A

twisted nematic (TN), vertical alignment (VA), and in-plane switching (IPS)

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3
Q

______ monitors are the fastest but have the worst color performance and contrast ratios

A

TN

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4
Q

______ are the slowest monitors but have the most vivid color contrasts

A

VA

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5
Q

IPS in quality is on a scale between ________ and _______

A

TN and VA

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6
Q

LCD monitor choice for gamers:

A

TN

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7
Q

________ —technically, the vertical scan frequency—specifies how many times in one second the image on the screen can be completely redrawn

A

refresh rate

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8
Q

refresh rate is measured in _______

A

Measured in screen draws per second, or hertz (Hz)

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9
Q

Higher _______ ________ translate to more fluid video motion

A

refresh rates

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10
Q

lowest standard refresh rate for LCD

A

60 Hz

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11
Q

LCD refresh rate could be as high as ________ or ______

A

240 - 360 Hz

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12
Q

_________ is defined by how many software picture elements (pixels) are used to draw the screen

A

Resolution

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13
Q

LCD, for best results you should use the monitor’s ______ _______, which comes from the placement of the transistors in the hardware display matrix of the monitor.

A

native resolution

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14
Q

____________ refers to the relationship between the horizontal and vertical pixel counts that a monitor can display

A

aspect ratio

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15
Q

1080p _____ ______ Definition (______ × ______) usually for monitors that are ____ inches

A

1080p/Full High Definition (FHD) (1920 × 1080) This is the basic resolution used today. It’s tenable for monitors up to 24”

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16
Q

1440p _____ ______ Definition (______ × ______) usually for monitors that are ____ inches

A

1440p/Quad High Definition (QHD) (2560 × 1440) For 27” or larger monitors, also called 2k resolution

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17
Q

2160p _____ ______ Definition (______ × ______)

A

2160p/Ultra High Definition (UHD) (3840 × 2160) Commonly referred to as 4k

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18
Q

TRS connectors
And the size in inches and mm.

A

Tip, Ring and Sleeve connector is a 1/8” or 3.5mm audio connector

The tip provides left audio, the first band above the black groove (the ring) provides right audio, and the sleeve is the ground.

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19
Q

Although the computer mouse was born in the 19___s at Xerox’s Palo Alto Research Center (PARC), it was in 19___ that Apple made the mouse an integral part of the personal computer with the introduction of the Macintosh

A

1970 and 1984

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20
Q

KVM switch

A

keyboard, video, and mouse

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21
Q

do NAS devices contain their own operating system?

A

YES, the NAS device contains its own operating system, meaning that it acts like its own file server.

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22
Q

A _____ is a generic name for any connector on a computer or peripheral into which a cable can be plugged.

A

port

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23
Q

A ______ is simply a way of connecting a peripheral or other device to a computer using multiple copper or fiber-optic conductors inside a common wrapping or sheath

A

cable

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24
Q

USB host controllers can support up to ? devices, which is accomplished through the use of a ?-bit identifier

A

127 devices with a 7-bit identifier

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25
Q

For USB The ____th identifier, the highest address, is used for broadcasting to all endpoints

A

128

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26
Q

are USB ports considered networkable ports?

A

no

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27
Q

usb 1.1 was released in ?

A

1998

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28
Q

USB 1.1 Release Year - Speed - Trade Name - Color

A

USB 1.1 1998 12 Mbps Full-Speed White

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29
Q

USB 2.0 Release Year - Speed - Trade Name - Color

A

USB 2.0 2000 480 Mbps Hi-Speed Black

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30
Q

USB 3.0 Release Year - Speed - Trade Name - Color

A

USB 3.0 2008 5 Gbps SuperSpeed Blue

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31
Q

USB 3.1 Release Year - Speed - Trade Name - Color

A

USB 3.1 2013 10 Gbps SuperSpeed+ Teal

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32
Q

USB 3.2 Release Year - Speed - Trade Name - Color

A

USB 3.2 2017 20 Gbps SuperSpeed+ Red

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33
Q

USB 4 Release Year - Speed - Trade Name - Color

A

USB4 2019 40 Gbps

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34
Q

a yellow USB port means?

A

A yellow USB port is “always on,” meaning it’s capable of charging a connected device even if the PC is sleeping or shut down.

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35
Q

Typical power for attached USB devices is ?V

A

5V

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36
Q

USB 3.1 and USB-C are the same

A

false

USB 3.1 can be implemented using classic A and B connectors, and USB 2.0 can work over a Type-C connector.

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37
Q

Lighting connector was introduced in _______ with the iPhone 5

A

2012

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38
Q

the lightning connector has ____ pins now instead of the 30-pin dock connector

A

8-pin connector

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39
Q

thunderbolt was released in _____?

A

2011

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40
Q

thunderbolt 1 speed =

A

10 Gbps

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41
Q

thunderbolt 2 speed =

A

20 Gbps

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42
Q

thunderbolt 3 speed =

A

40 Gbps with a usb c connector

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43
Q

thunderbolt 4 speed =

A

40 Gbps with a usb c connector

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44
Q

Thunderbolt is a combination of which two technologies?

A

Display port and PCIe

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45
Q

how many pins are on a standard (Type A) HDMI connector?

A

19

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46
Q

how many more pins does a dual link DVI-D connector have than a single link DVI-D connector?

A

6

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47
Q

what connector type provides power to an IDE hard drive

A

molex

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48
Q

what is the max speed of USB 3.0?

A

5 Gbps

49
Q

two analog video connectors are ____ and ____

A

VGA and DVI-A

50
Q

what is the name of the apple proprietary connector used on the iPhone 12?

A

lightning

51
Q

name three types of internal hard drive cables.

A

SATA, IDE, SCSI

52
Q

a DB-9 connector is found on which type of cable?

A

Serial

53
Q

what is the difference between USB 3.1 and USB-C?

A

USB 3.1 is a standard type, and USB-C is a connector type

54
Q

Order these from slowest to fastest: SAS-3, IDE, SATA 3.0

A

IDE 100 Mbps
SATA 3.0 6Gbps
SAS-3 12Gbps

55
Q

______ is a video standard that supports digital audio as well.

A

HDMI

56
Q

how many pins does a VGA connector have?

A

15

57
Q

a peripheral serial cable will have which type of connector?

A

DB-9 or RS-232

58
Q

what does a molex connector do?

A

provides power to legacy IDE hard drive or optical drive

59
Q

which USB cable type provides for the best speeds?

A

USB-C

60
Q

a lightning connector is found on which type of cable?

A

USB

61
Q

external storage devices will typically connect using one of which two technologies?

A

eSATA or USB

62
Q

what is the difference between DVI-A and DVI-D?

A

DVI-A is analog
DVI-D is digital

63
Q

how do you connect a DVI monitor to an HDMI video card?

A

with a DVI to HDMI adapter

64
Q

USB4 provides data rates up to ______.

A

40 Gbps

65
Q

USB4 was based on which standard?

A

thunderbolt 3

66
Q

Which of the following could be used with an analog monitor? (Choose two.)

A) HDMI
B) DVI-A
C) DVI-D
D) DisplayPort
E) VGA

A

B, E. Analog monitors require an analog signal. VGA is an analog video standard and will work. DVI‐A is also analog. (DVI‐I would work as well.) HDMI, DVI‐D, and DisplayPort are all digital standards.

67
Q

You are attaching an external hard drive to a computer with USB 2.0 ports. The user is concerned about data transfer speed. What is the maximum speed of USB 2.0?

a 480 Mbps
b 5 Gbps
c 10 Gbps
d 20 Gbps

A

A. USB 2.0 has a maximum speed of 480 Mbps.
USB 3.0 is 5 Gbps,
USB 3.1 is 10 Gbps,
USB 3.2 is 20 Gbps, and
USB4 is up to 40 Gbps.

68
Q

You got a new desktop computer for a designer at your company. On the front panel is a rectangular yellow USB port. What does that mean?

A) It’s USB 2.0.
B) It’s USB 3.0.
C) It’s a port capable of charging devices even with the system powered off.
D) It’s a port to be used with USB-C compatible devices.

A

C. A yellow USB port is an “always on” charging port. It could be either USB 2 or USB 3. USB‐C connectors are oval in shape vs. the older rectangular USB connectors.

69
Q

You are installing a replacement monitor on a desktop computer. Which of the following is true regarding a monitor’s refresh rate?

A) As long as the graphics adapter can refresh the image at a particular rate, the attached monitor can accommodate that refresh rate.
B) The refresh rate is normally expressed in MHz.
C) The refresh rate is normally selected by using the controls on the front panel of the monitor.
D) As you lower the resolution, the maximum refresh rate allowed tends to increase.

A

D. As you lower the resolution, the maximum refresh rate allowed tends to increase. The refresh rate is most often expressed in cycles per second (Hz), not millions of cycles per second (MHz). You must usually select the refresh rate that you want from the display settings dialog boxes, not through the monitor’s built‐in menu system, although the monitor can often tell you the refresh rate that you’re using. Finally, both the monitor and adapter must agree on the refresh rate you select. If either device does not support a particular refresh rate, such a rate cannot be used.

70
Q

Which of the following connector types is typically not associated with hard drive use?

USB-C, eSATA, DB-9, SCSI

A

DB-9.
DB‐9 connectors are most often used with serial cables and are not associated with hard drives. USB‐C, eSATA, and SCSI are examples of connectors used with hard drives.

71
Q

The company photographer is interested in buying a new digital camera. He wants to be able to plug it directly into his laptop to transfer pictures for editing. What type of connector will most likely be on his camera?

A) Mini-USB
B) Thunderbolt
C) Molex
D) Lightning

A

A. For smaller electronic devices such as cameras, micro‐USB and mini‐USB connectors are common. Thunderbolt is primarily used for video. Molex is a power connector. Lightning is the Apple proprietary connector.

72
Q

You are installing a new video card that has an HDMI port. Which of the following is true about HDMI cables? (Choose all that apply.)

A) They can transmit analog or digital signals.
B) They can transmit audio as well as video.
C) They are not used to connect to projectors.
D) They can use HDMI or mini-HDMI connectors.

A

B, D. HDMI cables transmit digital video and audio signals. They can be used to connect to projectors or monitors. HDMI cables can have standard HDMI connectors, mini‐HDMI connectors, or micro‐HDMI connectors.

73
Q

Which of the following display interfaces is equivalent to DisplayPort with PCIe added in?

A) Thunderbolt
B) HDMI
C) DVI
D) VGA

A

A. Intel and Apple collaborated on Thunderbolt to add PCIe to VESA’s DisplayPort and to make the resulting interface smaller and less expensive to connect. HDMI, DVI, and VGA are not equivalent to DisplayPort with PCIe added in.

74
Q

Which two of the following standards use the same connector? (Choose two.)

A) eSATA
B) Thunderbolt 3
C) USB4
D) USB 2.0
E) Mini-USB

A

B, C. USB4 is based on the Thunderbolt 3 specifications, and both natively use USB‐C connectors.

75
Q

How do you connect a DVI-A interface on a peripheral to a DVI-D interface on the computer?

A) With a DVI-I cable.
B) With a cable that is terminated on one end with a DVI-A connector and on the other end with a DVD-D connector.
C) You wouldn’t interconnect those two interfaces.
D) With a standard DVI cable.

A

C. Such a connection should not be made. DVI‐I cables act like universal cables; they can connect two DVI‐A interfaces or two DVI‐D interfaces with adapters. Natively, they are used to connect two DVI‐I interfaces, both of which are configured as either analog or digital. They are unable to convert the analog signal to a digital one, however. Analog and digital DVI interfaces are too disparate to interconnect.

76
Q

A technician says he needs to provide power to an older IDE hard drive and a DVD-ROM in a desktop. The computer now has a new fully modular power supply, and the technician wants to know what type of power connectors he should use. What do you tell him?

SATA, SCSI, Serial, Molex

A

Molex .
A Molex connector is a power connector for IDE (PATA) storage devices. This includes hard drives and optical drives.

77
Q

Which of the following connectors is oval shaped?

A) Micro-USB
B) Mini-USB
C) Thunderbolt 2
D) Thunderbolt 3

A

D. Thunderbolt 3 uses the oval‐shaped USB‐C connector. Thunderbolt 2 used a proprietary connector that was more of a square. Micro‐USB and mini‐USB connectors look more like trapezoids.

78
Q

Which of the following connector types are capable of conducting power and transmitting data? (Choose all that apply.)

A) Lightning
B) Molex
C) USB-C
D) DB-9
E) Micro-USB

A

A, C, E. USB cables and eSATA cables can transmit power and data. You will find Lightning, USB‐C, and micro‐USB connectors on the ends of USB cables. A Molex connector is power‐only. A DB‐9 is for serial cables and is data‐only.

79
Q

Which of the following statements is true about eSATA cables and connectors?

A) eSATA cables provide power and data to devices.
B) eSATA connectors are smaller than USB-C connectors.
C) eSATA is faster than USB4 and Thunderbolt 3.
D) eSATA maximum throughput is 6 Gbps.

A

D. The eSATA standards limit throughput to 6 Gbps, which is much slower than USB4 and Thunderbolt 3, both of which can get to 40 Gbps. Standard eSATA cables do not provide power, although there are versions of eSATA that do include power. The connectors are larger than USB‐C connectors.

80
Q

Which of the following is not an example of a connector for a standard peripheral input device?

1/8” jack, Molex, D-sub, USB

A

Molex.
Peripherals most often use USB today, but they can also use D‐sub connectors (rarely), and audio devices such as microphones and speakers use 1/8” jacks. Molex connectors are power connectors for PATA hard drives and optical drives.

81
Q

You are asked to hook up a projector in a classroom. What type of cable are you most likely to need?

A) USB Type A
B) eSATA
C) HDMI
D) DB-9

A

C. A projector uses a standard video cable. In this case, HDMI is the most likely choice. eSATA is for hard drives, and DB‐9 is a slow serial cable. It’s possible that the projector has a USB interface, but the best selection is HDMI.

82
Q

A user with an iPhone 12 needs to charge her device and asks you to bring a cable. Which of the following connector types should you ensure that the cable has?

A) Thunderbolt
B) Lightning
C) Mini-USB
D) Micro-USB

A

B. Starting with the iPhone 5, Apple products use the proprietary Lightning connector for charging and connecting peripherals. Thunderbolt connectors are on MacBooks for peripherals. iPhones do not have built‐in mini‐ or micro‐USB connectors.

83
Q

Which of the following types of cables will transfer data at the slowest rate?

A) USB4
B) Serial
C) Thunderbolt 3
D) HDMI

A

B. Classic serial ports and serial cables have the slowest data transmission speeds of any cable discussed in this chapter.

84
Q

What is the maximum data transfer rate of USB High Speed?

10 Gbps, 5 Gbps, 480 Mbps, 12 Mbps

A

480 Mbps.
Full Speed USB is 12 Mbps.
High Speed is 480 Mbps.
SuperSpeed runs at 5 Gbps and
SuperSpeed+ at 10 Gbps.

85
Q

VGA cables use what type of signal between the adapter and monitor?

A) Digital
B) Analog
C) Composite
D) Compressed

A

B. VGA signals are analog, uncompressed, component signals that carry all of the video information for all three components of the original RGB signal. VGA signals are not digital, composite, or compressed.

86
Q

Which DVI is this:

  xxx      xxx —  xxx      xxx
  xxx      xxx
A

DVI-D single link

87
Q

Which DVI is this:

  xxxxxxxx —  xxxxxxxx
  xxxxxxxx
A

DVI-D dual link

88
Q

X X X X X X X X
—- X X X X X X
X X X X X X X X

A

DVI-I single link

89
Q

X X X X X X X
—- X X X
X X X X X X

A

DVI-A

90
Q

eSATA I Speed:

A

1.5Gbps

91
Q

eSATA II Speed:

A

3.0 Gbps

92
Q

eSATA III Speed:

A

6.0 Gbps

93
Q

Put in order the electrophotographic imaging process

Processing, cleaning, transferring, developing, exposing, fusing, charging

A

Processing, charging, exposing, developing, transferring, fusing, cleaning

94
Q

USB host controllers have a ?-bit identifier

A

8

95
Q

Users report that documents are not printing the a shared printer. You ping the device and confirm it’s on and connected to the network and print a test page. What should you do next?

A) reconfigure tcp/ip settings
B) restart the print spooler
C) remove and reinstall the printer
D) reinstall the print drivers

A

Restart The Print Spooler

96
Q

Thunderbolt one has a maximum throughput of what?

A

10 Gbps

97
Q

Thunderbolt 2 has a maximum throughput of what?

A

20Gbps and can support 4k display

98
Q

Thunderbolt 3 has a maximum throughput of what?

A

40 Gbps

99
Q

Thunderbolt 4 has a maximum throughput of what?

A

40Gbps

100
Q

When used with network scanning services, which option does SMB allow for?

A) scan to email
B) scan to cloud
C) scan to secured print
D) scan to folder

A

Scan to folder

101
Q

Which of these is a set of signal Pathways between the CPU and external cash memory?

A) Northbridge subset
B) BSB
C) FSB
D) Southbridge subset

A

BSB

102
Q

Which of these refers to the relationship between the horizontal and vertical pixel count that a monitor can display?

A) aspect ratio
B) resolution
C) refresh rate
D) OLED

A

Aspect ratio

The refresh rate specifies how many times in one second the image on the screen can be completely redrawn.

Resolution is defined by how many software picture elements pixels are used to draw the screen.

103
Q

Which of these is not generally attributed to an intermittent Wireless issue?

A) microwave ovens
B) Bluetooth devices
C) radar
D) wireless Access points

A

Wireless access points

104
Q

Which of these is the program used to boot windows?

A) winres.exe
B) win.exe
C) resume.exe
D) winload.exe

A

winload.exe

105
Q

To properly remove malware from an infected computer, you should perform the following steps.

A

1) identify malware symptoms.
2) Quarantine infected systems
3) Disable system restore
4) Remediate infected systems
5) Schedule scans and updates
6) Enable system restore and create a restore point
7) Educate end users

106
Q

Which of the following capabilities and features were introduced with Thunderbolt 3? Choose all that apply.

A) it uses DisplayPort 1.2
B) it has 10Gbps ethernet support
C) it has a maximum throughput of 20Gps
D) it uses a USB-C connector

A

B, D

DisplayPort 1.2 compatibility was first introduced with Thunderbolt 2

107
Q

Which of the following are the differences between DVI-D and DVI-A interfaces? Choose all that apply.

A) DVI-A interfaces have the same color code as VGA interfaces
B) DVI-D connector is narrower than that of DVI-A
C) DVI-A interfaces are larger than DVI-D interfaces
D) DVI-A interfaces have more pens than DVI-D interfaces
E) DVI-A devices cannot be driven passively by HDMI ports directly unlike DVI-D devices

A

B, E

108
Q

What is the maximum speed of USB 2.0?

A) 5 Gbps
B) 10 Gbps
C) 20 Gbps
D) 480 Mbps

A

USB 2.0 = 480 Mbps

USB 3.0 = 5 Gbps
USB 3.1 = 10 Gbps
USB 3.2 = 20 Gbps
USB4 = 40 Gbps

109
Q

What is the maximum data transfer rate of USB high-speed?

A

480 Mbps

110
Q

What is the maximum data transfer rate of USB full speed?

A

12 Mbps

111
Q

What is the maximum data transfer rate of USB super speed?

A

5 Gbps

112
Q

What is the maximum data transfer rate of USB super speed+?

A

10 Gbps

113
Q

An IDE ribbon cable has how many pins?

A

40

114
Q

What display interface is equivalent to DisplayPort with PCIe added in?

A

Thunderbolt

115
Q

What connectors are oval shaped?

A

Thunderbolt 3 and USB - C

116
Q

What does a rectangular yellow USB port mean?

A

It is a port capable of charging devices even when the system is powered off.

117
Q

Which of the following features are incorporated into the USB 3.0 standard? Choose all that apply.

A) enhanced power efficiency
B) full duplex communication
C) backward compatibility with USB 2.0 and 1.1
D) maximum data transfer rate of 480 Mbps

A

A, B, C

118
Q

Which cables use the same connector? Choose all the apply.

A) USB4
B) USB 2.0
C) Thunderbolt 2
D) Thunderbolt 3

A

USB 4 and Thunderbolt 3 both use USB-C connectors

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