CompTIA A+ Certification Exam 220-1101 Practice Questions 201 - 300
Video Graphics Array (VGA) connector is a: Two-row 40-pin connector Three-row 29-pin connector PCIe 6/8-pin connector Three-row 15-pin connector
Three-row 15-pin connector
Which of the answers listed below refers to a valid SDRAM module combination that can be installed on a single PC motherboard? DDR3 + DDR2 DDR4 + DDR3 DDR5 + DDR4 Any of the above None of the above
None of the above
Which of the following answers refers to an HDD form factor for laptop computers? 1.8 inch 2.5 inch 3.5 inch 5.25 inch
2.5 inch
Which of the following answers refers to an older, portable device SSD form factor superseded by M.2? SATA NVMe mSATA PCIe
mSATA
What are the characteristic features of SATA revision 1.0? (Select 2 answers) 1.5 Gbps data transfer rate Maximum cable length of 1 meter 3 Gbps data transfer rate Maximum cable length of 2 meters 6 Gbps data transfer rate Maximum cable length of 3 meters
1.5 Gbps data transfer rate Maximum cable length of 1 meter
Compared to non-ECC memory, ECC RAM is a less expensive option and will always perform faster. True False
False
Small Outline Dual In-Line Memory Module (SODIMM) is a more compact type of computer memory designed for desktop PCs. True False
False
The eSATA connector features a distinct L-shape (right-angled or left-angled) that prevents improper insertion of the connector plug into eSATA port. True False
False
SCSI ID: Identifies SCSI devices on a network Identifies device embedded in the physical device on a SCSI chain Serves as an interchangeable term for LUN Identifies physical device on a SCSI chain
Identifies physical device on a SCSI chain
Which of the answers listed below refer to SSD form factors? (Select 2 answers) PCIe M.2 mSATA NVMe SATA
M.2 mSATA
Which of the answers listed below refer to RJ11 connector? (Select 3 answers) Ethernet network cabling Telephone equipment Fiber-optic cabling Dial-up networking Coaxial cabling Twisted-pair copper cabling
Telephone equipment Dial-up networking Twisted-pair copper cabling
DVI-I provides support for both digital and analog video signal transmission. True False
True
Parallel ATA (PATA) cabling uses: 68-pin connectors 40-pin connectors 15-pin connectors 80-pin connectors
40-pin connectors
USB 2.0 (a.k.a. Hi-Speed USB) specifies the maximum data transfer rate of: 120 Mbps 240 Mbps 480 Mbps 960 Mbps
480 Mbps
What is the maximum allowable cable length for USB 2.0? 3 meters 4.5 meters 5 meters 10 meters
5 meters
The SATA interface specification defines a power connector consisting of: 7 pins 40 pins 34 pins 15 pins
15 pins
Which of the answers listed below refers to the maximum rpm value available in modern HDDs? 10000 rpm 15000 rpm 25000 rpm 30000 rpm
15000 rpm
Which of the following answers refer to the Double Data Rate 3 Synchronous Dynamic Random-Access Memory (DDR3 SDRAM)? (Select 3 answers) 16 GB maximum capacity per memory module 240 contact pins A notch on the RAM module contact surface prevents the installation of incompatible memory types 288 contact pins 32 GB maximum capacity per memory module Backwards compatible with earlier DDR SDRAM versions
16 GB maximum capacity per memory module 240 contact pins A notch on the RAM module contact surface prevents the installation
What is the maximum allowable number of devices that can be attached to a parallel SCSI bus? 4 devices 8 devices 16 devices 32 devices
16 devices
What is the maximum number of devices that can be attached to a PC through a single PATA cable? 1 2 3 4
2
What are the characteristic features of the Double Data Rate 4 Synchronous Dynamic Random-Access Memory (DDR4 SDRAM)? (Select 3 answers) 32 GB maximum capacity per memory module 288 contact pins 64 GB maximum capacity per memory module A notch on the RAM module contact surface prevents the installation of incompatible memory types 240 contact pins Backwards compatible with earlier DDR SDRAM versions
288 contact pins 64 GB maximum capacity per memory module A notch on the RAM module contact surface prevents the installation of incompatible memory types
SATA revision 2.0 specifies: (Select 2 answers) Maximum cable length of 3 meters 6 Gbps data transfer rate Maximum cable length of 2 meters 3 Gbps data transfer rate Maximum cable length of 1 meter 1.5 Gbps data transfer rate
3 Gbps data transfer rate Maximum cable length of 1 meter
What is the practical cable length limitation for USB 3.x? 1 meter 3 meters 4.5 meters 5 meters
3 meters
Which of the answers listed below refers to magnetic drive form factor for desktops? 1.8 inch 2.5 inch 3.5 inch 5.25 inch
3.5 inch
Hardware RAID Level 10 requires a minimum of: 2 drives 3 drives 4 drives 5 drives
4 drives
The fiber-optic Thunderbolt interface allows for a maximum cable length of: 30 meters 40 meters 50 meters 60 meters
60 meters
Which of the answers listed below refer to Double Data Rate 5 Synchronous Dynamic Random-Access Memory (DDR5 SDRAM)? (Select 3 answers) Backwards compatible with earlier DDR SDRAM versions 64 GB maximum capacity per memory module 288 contact pins A notch on the RAM module contact surface prevents the installation of incompatible memory types 240 contact pins 32 GB maximum capacity per memory module
64 GB maximum capacity per memory module 288 contact pins A notch on the RAM module contact surface prevents the installation
The SATA interface specification defines data cable connector consisting of: 40 pins 34 pins 15 pins 7 pins
7 pins
A USB-to-Ethernet converter enables: WWAN connectivity 802.3 connectivity WPAN connectivity 802.11 connectivity
802.3 connectivity
Which of the following answers refer(s) to the characteristics of Parallel ATA (PATA) cabling? (Select all that apply) Fiber-optic cabling Cable consisting of 40 wires RJ11 connector Ribbon cable Cable consisting of 80 wires Coaxial cabling
Cable consisting of 40 wires Ribbon cable Cable consisting of 80 wires
ECC type RAM: Can only detect errors, but does not have the capability to correct them Refers to parity RAM (the two terms are interchangeable) Offers better performance in terms of speed when compared to a non-ECC type of RAM Can detect and correct errors
Can detect and correct errors
Shielded Twisted-Pair (STP) cabling reduces what kind of interference? (Select 2 answers) Jitter Signal attenuation Crosstalk EMI Signal latency
Crosstalk EMI
Which of the following answers refer to RG-6 cabling specification? (Select 3 answers) Twisted-pair copper cabling Suitable for short-distance cable runs Used for analog video and CCTV installations Coaxial cabling Suitable for long-distance cable runs Used for cable television, satellite television and cable modems
Coaxial cabling Suitable for long-distance cable runs Used for cable television, satellite television and cable modems
What are the characteristic features of RG-59 cabling specification? (Select 3 answers) Coaxial cabling Suitable for short-distance cable runs Used for analog video and CCTV installations Twisted-pair copper cabling Suitable for long-distance cable runs Used for cable television, satellite television and cable modems
Coaxial cabling Suitable for short-distance cable runs Used for analog video and CCTV installations
Which of the answers listed below refer(s) to F-type connector? (Select all that apply) Coaxial cabling Used for cable television, satellite television and cable modems RG-59/RG-6 cabling Copper cabling connector Used for analog video and CCTV installations Connector equipped with a screw-on locking mechanism Fiber-optic cabling connector Twisted-pair cabling
Coaxial cabling Used for cable television, satellite television and cable modems RG-59/RG-6 cabling Copper cabling connector Used for analog video and CCTV installations Connector equipped with a screw-on locking mechanism
What type of Ethernet cable would be used for establishing a direct communication link between two PCs? Patch cable Crossover cable Rollover cable Straight-through cable
Crossover cable
Which of the following connector types is used for RS-232 serial communications? RG-6 RJ11 DB-9/DE-9 RG-59 RJ48C
DB-9/DE-9
Which of the following answers refer(s) to (a) video connection standard(s)? (Select all that apply) SCSI DVI DisplayPort USB SATA HDMI VGA
DVI DisplayPort HDMI VGA
Which of the Digital Visual Interface (DVI) versions does not provide support for digital signal transmission? DVI-D DVI-A DVI-I DVI-A/D
DVI-A
Which passive adapter types enable DVI-to-VGA connectivity? (Select 2 answers) DVI-D to VGA DVI-A to VGA DVI-I to VGA DVI-A/D to VGA
DVI-A to VGA DVI-I to VGA
Which DVI type does not provide support for analog signal transmission? DVI-D DVI-A DVI-I DVI-A/D
DVI-D
Which passive adapter types enable DVI-to-HDMI connectivity? (Select 2 answers) DVI-D to HDMI DVI-A to HDMI DVI-I to HDMI DVI-A/D to HDMI
DVI-D to HDMI DVI-I to HDMI
What are the characteristic features of Thunderbolt 1? (Select all that apply) Data transfer rate of up to 20 Gbps Mini DisplayPort (MDP) connector Capability to send PCIe/DisplayPort data and power over single cable Support for up to 6 devices on a single port Data transfer rate of up to 40 Gbps USB-C connector
Data transfer rate of up to 20 Gbps Mini DisplayPort (MDP) connector Capability to send PCIe/DisplayPort data and power over single cable Support for up to 6 devices on a single port
Which of the following answers refers to the features of DisplayPort? Analog video Audio only Digital audio/video Video only Analog audio
Digital audio/video
What are the characteristic features of the signal that can be carried through the HDMI cable? (Select 2 answers) Analog signal Video only Digital signal Audio only Video and audio
Digital signal Video and audio
Which of the answers listed below refer(s) to the characteristic feature(s) of Static Random-Access Memory (SRAM)? (Select all that apply) Non-volatile storage media type Faster than Dynamic Random-Access Memory (DRAM) Widely used as the primary storage media (regular RAM modules installed in memory slots on the motherboard) More expensive in comparison to Dynamic Random-Access Memory (DRAM) Slower than Dynamic Random-Access Memory (DRAM) Volatile storage media type Utilized for CPU cache memory chips Less expensive in comparison to Dynamic Random-Access Memory (DRAM)
Faster than Dynamic Random-Access Memory (DRAM) More expensive in comparison to Dynamic Random-Access Memory (DRAM) Volatile storage media type Utilized for CPU cache memory chips
Which type of cabling takes advantage of the 19-pin Type A connector? USB Thunderbolt FireWire DisplayPort HDMI
HDMI
Which of the interfaces listed below provide the capability for transmission of both video and audio data? (Select 2 answers) S/PDIF DVI VGA HDMI DisplayPort
HDMI DisplayPort
Hardware RAID Level 0: (Select 3 answers) Is also known as disk striping Decreases reliability (failure of any disk in the array destroys the entire array) Is also referred to as disk mirroring Offers less volume capacity in comparison to RAID 1 Requires at least 3 drives to implement Is suitable for systems where performance has higher priority than fault tolerance
Is also known as disk striping Decreases reliability (failure of any disk in the array destroys the entire array) Is suitable for systems where performance has higher priority than fault tolerance
Which of the following answers refer(s) to example(s) of fiber-optic connectors? (Select all that apply) LC DB-25 ST Type A SC RG-6
LC ST SC
Which of the answers listed below refers to a method for identifying logical partitions on a SCSI storage drive? Host ID OUI SCSI ID LUN
LUN
Which of the answers listed below refers to a proprietary 8-pin power connector for iOS devices? Thunderbolt DisplayPort Molex Lightning
Lightning
Which of the following answers refers to a proprietary connector type that features symmetrical/reversible connector plug? Micro-USB Thunderbolt USB-C Lightning
Lightning
Which of the following answers refer to SATA revision 3.2? (Select 2 answers) Maximum cable length of 1 meter 6 Gbps data transfer rate Maximum cable length of 3 meters 32 Gbps data transfer rate Maximum cable length of 2 meters 16 Gbps data transfer rate
Maximum cable length of 1 meter 16 Gbps data transfer rate
The characteristic features of SATA revision 3.0 include: (Select 2 answers) 32 Gbps data transfer rate Maximum cable length of 2 meters 16 Gbps data transfer rate Maximum cable length of 1 meter 6 Gbps data transfer rate Maximum cable length of 3 meters
Maximum cable length of 1 meter 6 Gbps data transfer rate
Taking advantage of the performance benefits offered by the multi-channel memory architecture requires: (Select all that apply) Memory modules of matching types Memory modules of matching speeds Installing memory modules in any of the free memory slots on the motherboard Memory modules of the same capacity Installing modules in appropriate memory slots (slots of matching color) on the motherboard
Memory modules of matching types Memory modules of matching speeds Memory modules of the same capacity Installing modules in appropriate memory slots (slots of matching color) on the motherboard
What is the name of the most common connector type used for providing power to various hardware components inside computer case? Mini-DIN connector D-sub connector Molex connector Berg connector
Molex connector
What are the characteristic traits of single-mode fiber optics? (Select 3 answers) Transmission distances of up to 2 km More expensive than multimode fiber optics Uses LED as the source of light Transmission distances of up to 100 km Uses laser as the source of light Less expensive than multimode fiber optics
More expensive than multimode fiber optics Transmission distances of up to 100 km Uses laser as the source of light
A logical device interface used for accessing non-volatile memory storage devices attached via PCIe is known as: GDI NVMe SLI MAPI
NVMe
Which of the following answers refer to storage media device interfaces for SSDs? (Select 3 answers) NVMe PCI SATA IDE PCIe
NVMe SATA PCIe
Which of the following characteristics apply to the type of RAM most commonly used as the main system memory in desktop PCs? (Select 2 answers) SODIMM Non-ECC memory Static RAM MicroDIMM Dynamic RAM ECC memory
Non-ECC memory Dynamic RAM
In modern Ethernet networks, a twisted-pair copper cable terminated according to the TIA/EIA-568A standard on one end and TIA/EIA-568B standard on the opposite end forms a: Crossover cable Straight-through cable Patch cable None of the above
None of the above
A single Serial ATA (SATA) data cable can be used to connect a motherboard slot with: Up to 3 devices Up to 2 devices Only 1 device Up to 4 devices
Only 1 device
Certain types of RAM take advantage of an additional bit in order to detect whether a data error has occurred. This extra bit is used to store information about the count of bits set to the value of 1 in a given string of data (typically one byte). Examining the value of the additional bit at different stages of processing allows to detect whether the data has been corrupted or not. What is the name of that extra bit? Digest Archive bit Hash value Parity bit
Parity bit
A common cabling type used for connecting workstations to network devices is referred to as: (Select 2 answers) Patch cable RG-59 cable Crossover cable RG-6 cable Straight-through cable
Patch cable Straight-through cable
Thunderbolt 3: (Select all that apply) Provides support for up to 6 devices on a single port Uses Mini DisplayPort (MDP) connector Enables data transfer rate of up to 40 Gbps Uses USB-C connector Enables data transfer rate of up to 20 Gbps Provides the capability to send PCIe/DisplayPort data and power over single cable
Provides support for up to 6 devices on a single port Enables data transfer rate of up to 40 Gbps Uses USB-C connector Provides the capability to send PCIe/DisplayPort data and power over single cable
Which of the RAID levels listed below does not offer fault tolerance? RAID 5 Disk duplexing RAID 0 Disk mirroring RAID 1
RAID 0
Which of the following answers refer(s) to (a) nested RAID level(s)? (Select all that apply) RAID 0 RAID 1 RAID 1+0 RAID 5 RAID 10
RAID 1+0 RAID 10
Which of the following answers refers to an older type of serial cable used for connecting modems, printers, mice, and other peripheral devices? RJ11 RG-6 RS-232 RG-59
RS-232
Hardware RAID Level 1: (Select 3 answers) Requires at least 2 drives to implement Is also known as disk striping Offers improved performance in comparison to RAID 0 Is also referred to as disk mirroring Offers improved reliability by creating identical data sets on each drive (failure of one drive does not destroy the array as each drive contains identical copy of the data)
Requires at least 2 drives to implement Offers improved reliability by creating identical data sets on each drive (failure of one drive does not destroy the array as each drive contains identical copy of the data)
Hardware RAID Level 5: (Select 2 answers) Requires at least 2 drives to implement Continues to operate in case of failure of more than 1 drive Requires at least 3 drives to implement Offers increased performance and fault tolerance (single drive failure does not destroy the array and lost data can be re-created by the remaining drives) Requires at least 4 drives to implement
Requires at least 3 drives to implement Offers increased performance and fault tolerance (single drive failure
Platters of a magnetic hard drive spin at a rate measured in: Revolutions per second Iterations per minute Revolutions per minute Iterations per second
Revolutions per minute
Examples of cabling types used for mass storage devices include: (Select all that apply) SATA IDE/PATA S/PDIF SCSI eSATA
SATA IDE/PATA SCSI eSATA
Which of the following requires termination? SCSI chain ATA SATA PATA
SCSI chain
Which of the answers listed below refer(s) to Thunderbolt 2? (Select all that apply) USB-C connector Data transfer rate of up to 40 Gbps Support for up to 6 devices on a single port Capability to send PCIe/DisplayPort data and power over single cable Mini DisplayPort (MDP) connector Data transfer rate of up to 20 Gbps
Support for up to 6 devices on a single port Capability to send PCIe/DisplayPort data and power over single cable Mini DisplayPort (MDP) connector Data transfer rate of up to 20 Gbps
Which of the answers listed below refer to the characteristic features of SAS? (Select 3 answers) Serial interface Identifies devices on a SCSI chain via SCSI IDs and LUNs Requires bus termination Point-to-point connection Parallel interface Capability to attach multiple devices on a single bus via daisy chaining Does not require bus termination
Serial interface Point-to-point connection Does not require bus termination
Which of the following terms refers to USB 3.2 Gen 1? SuperSpeed USB SuperSpeed USB 10 Gbps SuperSpeed USB 15 Gbps SuperSpeed USB 20 Gbps
SuperSpeed USB
USB 3.2 Gen 2 is also labeled as: SuperSpeed USB SuperSpeed USB 10 Gbps SuperSpeed USB 15 Gbps SuperSpeed USB 20 Gbps
SuperSpeed USB 10 Gbps
Which of the answers listed below refers to USB 3.2 Gen 2x2? SuperSpeed USB 5 Gbps SuperSpeed USB 10 Gbps SuperSpeed USB 15 Gbps SuperSpeed USB 20 Gbps
SuperSpeed USB 20 Gbps
A type of file on the storage drive that an OS can use to hold parts of programs and data files that cannot be stored in RAM due to the insufficient memory space is called: (Select 3 answers) Swap file Paging file Signature file Virtual RAM Archive file
Swap file Paging file Virtual RAM
Which of the answers listed below refer to the characteristics of multimode fiber optics? (Select 3 answers) Uses laser as the source of light Transmission distances of up to 2 km More expensive than single-mode fiber optics Transmission distances of up to 100 km Less expensive than single-mode fiber optics Uses LED as the source of light
Transmission distances of up to 2 km Less expensive than single-mode fiber optics Uses LED as the source of light
A type of enclosed space in a building (such as the one between a dropped ceiling and the structural ceiling) used for air handling is commonly referred to as a plenum space. A special type of cabling with fire-retardant jacket placed inside that space is known as a plenum-rated cabling. Materials from which the plenum-rated cable's cover is made include low-smoke Polyvinyl Chloride (PVC) and Fluorinated Ethylene Polymer (FEP). True False
True
An M.2 key is a notch on the pin contact surface of an M.2 expansion card which prevents its insertion to an incompatible socket. The 12 available M.2 key IDs are letters from A to M which indicate the location of notched pins on the card's contact surface and designate the type of interface a given card is compatible with. M.2 expansion cards used for solid-state storage applications have key IDs of B and M. The B-keyed M.2 SSD cards take advantage of 2 lanes of a PCIe link (lower read/write speed), the M-keyed M.2 SSDs use 4 PCIe lanes (higher read/write speed). M.2 SSDs with 2 notches on the card's pin contact surface (B + M) increase the card's compatibility as they can be installed in any of the two types of expansion slots on the motherboard. True False
True
Peripheral Component Interconnect Express (abbr. as PCIe) is a high-speed, serial expansion bus designed as a replacement for PCI, PCI-X and AGP standards. True False
True
Random Access Memory (RAM) falls into the category of the so-called volatile storage media. It requires a continuous flow of electricity to preserve its contents thus all the data stored in RAM lasts only while the power is on. True False
True
SDRAM's backward compatibility feature provides a convenient way for building PCs utilizing SDRAM modules of different types. True False
True
The 66 block (older type / primarily used in analog telephone systems) and the 110 block (newer type / used in computer networks) are examples of punchdown blocks used for connecting sets of wires. True False
True
The color-coded memory slots on the motherboard indicate that a given motherboard provides support for the multi-channel memory architecture. True False
True
The placement of a notch on the RAM module contact surface allows for proper alignment of the module with the memory bank on the motherboard and prevents the installation of incompatible memory types. True False
True
The term "Synchronous Dynamic Random-Access Memory (SDRAM)" refers to a broad category of DRAM modules that rely on the signal sent by the system clock in order to coordinate their functioning with other internal PC components. True False
True
When installing two PATA drives on a single cable, each drive must be configured with a jumper to designate it as a primary drive (Device 0) or secondary drive (Device 1). The "cable select" jumper setting option automatically configures the drive as Device 0 or Device 1 according to its position on the cable. True False
True
Which of the following answers refer(s) to UTP cabling? (Select all that apply) Twisted-pair copper cabling Used in Ethernet networks and telephone systems Low cost and ease of installation Takes advantage of additional protective cover reducing signal interference from outside sources Coaxial cabling Not surrounded by any shielding that would provide protection against interference from outside sources Fiber-optic cabling In Ethernet networks, installed with RJ45 connector type
Twisted-pair copper cabling Used in Ethernet networks and telephone systems Low cost and ease of installation Not surrounded by any shielding that would provide protection against interference from outside sources In Ethernet networks, installed with RJ45 connector type
Which of the following answers list(s) example(s) of hot-swappable drives? (Select all that apply) USB drive PATA drive IDE drive SATA drive eSATA drive
USB drive SATA drive eSATA drive
Which of the answers listed below refers to a symmetrical/reversible USB connector type? USB Type-A Mini-USB USB Type-B Micro-USB USB-C
USB-C
What is the maximum allowable length for a Thunderbolt copper cable? Up to 3 meters Up to 6 meters Up to 10 meters Up to 15 meters
Up to 3 meters
What are the characteristic features of RJ45 connector? (Select 2 answers) Used with telephone equipment cabling Coaxial cabling connector Used with Ethernet network cabling Twisted-pair copper cabling connector Fiber-optic cabling connectors
Used with Ethernet network cabling Twisted-pair copper cabling connector
Which of the answers listed below refer to the characteristic features of the signal that can be carried through the VGA cable? (Select 2 answers) Audio Video and audio Digital Video Analog
Video Analog
Which of the following can be used as an extension of RAM? (Select all that apply) Virtual memory Swap/Paging file Extended partition Disk thrashing Swap partition
Virtual memory Swap/Paging file Swap partition
Which of the following answers describes(s) the characteristics of Dynamic Random-Access Memory (DRAM)? (Select all that apply) Volatile storage media type Utilized for CPU cache memory chips More expensive in comparison to Static Random-Access Memory (SRAM) Non-volatile storage media type Slower than Static Random-Access Memory (SRAM) Widely used as the primary storage media (regular RAM modules installed in memory slots on the motherboard) Faster than Static Random-Access Memory (SRAM) Less expensive in comparison to Static Random-Access Memory (SRAM)
Volatile storage media type Slower than Static Random-Access Memory (SRAM) Widely used as the primary storage media (regular RAM modules installed in memory slots on the motherboard) Less expensive in comparison to Static Random-Access Memory (SRAM)
Which of the answers listed below refers to a dedicated expansion card used for attaching external storage devices? SATA card IDE card eSATA card PATA card EIDE card
eSATA card
