CompTIA A+ Certification Exam 220-1101 Study Guide
After replacing a modular hardware component inside the computer case, the updated information about specific parameters of the new device is stored in:
CMOS RAM (older PCs) or flash memory chip (newer PCs)
Which of the following answers refers to the features of DisplayPort?
Digital audio/video
Which of the following answers lists a valid IPv6 address of FE80:00A7:0000:0000:02AA:0000:4C00:FE9A after compression?
FE80:A7::2AA:0:4C00:FE9A
A dedicated file server is also referred to as:
FTP Server
Which of the answers listed below refer(s) to the feature(s) of UEFI?
Mouse support, DRM support, GUI mode, secure boot, network access, designed as a replacement for BIOS
Which type of RAID creates a striped set from a series of mirrored drives?
RAID 1+0
Which type of adapter card enables Ethernet connectivity?
NIC expansion card
Examples of cabling types used for mass storage devices include:
SATA, eSATA, SCSI, IDE/PATA
TCP port 25 is used by:
SMTP
Which of the answers listed below refer to the protocol and port number used by spam filter?
SMTP and 25
Which of the following can be used as an extension of RAM?
Virtual memory, swap partition, and swap/paging file
A type of expansion card that enables communication over cellular network is referred to as:
WWAN Card
The power output rating of a PSU is based on a measurement unit known as:
Watt
A type of diagnostic tool used for measuring the strength of a wireless signal is called: Which of the following would be of help in determining the optimal placement of a WAP?
WiFi Analyzer
Hardware RAID Level 10 requires a minimum of:
4 drives
Frequency bands used by 802.11 networks include:
5.0 GHz and 2.4 GHz
Which of the following ports is assigned to the Domain Name System (DNS)?
53
The latest standard for mobile telecommunications is known as:
5G
Which of the following could be of help in troubleshooting a system that attempts to boot to incorrect device?
Checking BIOS settings for boot order and disconnecting any removable external drives (e.g., USB thumb drives)
Which of the following answers refer to the characteristic features of the 10.0.0.0 - 10.255.255.255 (10.0.0.0/8) IPv4 address space?
Class A range and non-routable (private) IP address range
Which of the answers listed below refer to the 172.16.0.0 - 172.31.255.255 (172.16.0.0/12) IPv4 address space?
Class B range and non-routable (private) IP address range
What are the characteristic features of the 192.168.0.0 - 192.168.255.255 (192.168.0.0/16) IPv4 address space?
Class C range and non-routable (private) IP address range
Which step of the laser printer imaging process requires troubleshooting when a printer produces double/echo images (a.k.a. ghost images) on the output pages?
Cleaning
Which of the troubleshooting steps listed below would solve the problem of vertical lines on the output pages of an inkjet printer?
Cleaning printheads and replacing ink cartridges
Which of the following answers refer to the characteristic features of cable modems?
Coaxial cabling, shared bandwidth, and cabling that carries TV signals
To connect to a website and display its contents, a URL entered in the web browser address bar needs to be translated into an IP address. Which of the servers listed below is used to handle this type of request?
DNS Server
Which of the Digital Visual Interface (DVI) versions does not provide support for digital signal transmission?
DVI-A
Which passive adapter types enable DVI-to-VGA connectivity?
DVI-A to VGA and DVI-I to VGA
Which DVI type does not provide support for analog signal transmission?
DVI-D
Which passive adapter types enable DVI-to-HDMI connectivity?
DVI-D to HDMI and DVI-I to HDMI
Which of the following answers refers to a cloud-based VDI service?
DaaS
An actuator arm assembly failure manifested by loud clicking noise emitted from the inside of the computer case is a problem symptom that should prompt for:
Data backup and storage drive replacement
What are the characteristic features of Thunderbolt 1 and Thunderbolt 2?
Data transfer rate of up to 20 Gbps, Mini DisplayPort (MDP) connector, support for up to 6 devices on a single port, and the capability to send PCIe/DisplayPort data and power over single cable.
IPv4 addresses are expressed with the use of:
Decimal numbers
Which of the answers listed below apply to DSL modems?
Dedicated bandwidth, telephone lines, and twisted-pair copper cabling
Which of the answers listed below refers to a networked device providing an entry point into another network or the Internet?
Default Gateway
Which of the answers listed below can be used to describe the characteristics of a typical desktop motherboard?
Designed for non-ECC RAM, typically features a single CPU socket, designed to be used in a tower case
What are the characteristic features of the signal that can be carried through the HDMI cable?
Digital signal and video and audio
LDAP is an example of:
Directory access protocol
The last step of the troubleshooting process should involve:
Documenting findings, actions, outcomes, and conclusions
Which of the printer types listed below falls into the category of impact printers? Which of the printer types listed below uses inked ribbon to produce an imprint on paper? A single sheet or roll of printing paper with holes punched along each side is designed for use with:
Dot matrix
Faded printouts on the output of an inkjet printer indicate a problem related to:
Dried out ink on the printhead nozzles and depleted ink cartridge
What is the name of a printer component that allows for automatic printing on both sides of the page?
Duplexing assembly
Hardware RAID Level 1:
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), is also referred to as disk mirroring
A type of cloud infrastructure available solely for a single organization is known as:
Private Cloud
Which of the following answers lists the correct sequence of steps in the laser printing process?
Processing, charging, exposing, developing, transferring, fusing, cleaning
In computer networking, a computer system or application that acts as an intermediary between another computer and the Internet is commonly referred to as:
Proxy
Which of the following answers refers to a cloud computing delivery model in which cloud infrastructure is provisioned for open use by the general public?
Public cloud
Which of the following tools is used for attaching wires to a patch panel?
Punchdown Tool
Restoring a RAID array after physical failure of one of the drives typically requires a very simple fix, which is the replacement of a bad drive. This solution will work for most of the RAID configurations except:
RAID 0
Which of the RAID levels listed below does not offer fault tolerance?
RAID 0
Which of the following answers refer(s) to (a) nested RAID level(s)?
RAID 1+0 and RAID 10
Which of the following answers refers to a Microsoft-proprietary remote-access protocol providing a user with graphical interface for connecting to another computer over a network?
RDP
Which wireless technology enables identification and tracking of tags attached to objects?
RFID
A type of identification badge that can be held within a certain distance of a reader to authenticate the badge holder is called:
RFID Badge
A CPU design based on instruction set that tries to improve speed by utilizing relatively few and simple instructions is referred to as:
RISC and ARM
Which of the following answers refers to an older type of serial cable used for connecting modems, printers, mice, and other peripheral devices?
RS-232
Which of the terms listed below refers to a cloud computing feature that allows for automatic allocation of computing resources in proportion with the demand?
Rapid elasticity
Which of the terms listed below refers to a server load balancing setup in which supplied power is split between multiple PSUs?
Redundant Power Supply
Which of the answers listed below describe the features of Solid-State Drives (SSDs)?
Relatively high device cost, high performance, and lower capacity in comparison to magnetic drives
Hardware RAID Level 5:
Requires at least 3 drives to implement and 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)
Which of the terms listed below refers to permanent IP address assignment from a DHCP server?
Reservation
Which of the answers listed below refer(s) to the characteristic feature(s) of Static Random-Access Memory (SRAM)?
Volatile storage media type, utilized for CPU cache memory chips, faster than Dynamic Random-Access Memory (DRAM), more expensive in comparison to Dynamic Random-Access Memory (DRAM)
An ISP offering Internet access to subscribers at a designated wireless hotspot is known as:
WISP
A type of network consisting of computers and peripheral devices that use high-frequency radio waves to communicate with each other is referred to as:
WLAN
Which type of expansion card enables communication in 802.11 networks?
WLAN
Which of the following answers refers to a laptop's Bluetooth module?
WPAN
Which WAN technology takes advantage of cell towers that provide wireless signal coverage for mobile devices?
WWAN
The term "Unified Threat Management" (UTM) refers to a network security solution, commonly in the form of a dedicated device (called UTM appliance or web security gateway), which combines the functionality of a firewall with additional features such as URL filtering, content inspection, spam filtering, gateway antivirus protection, IDS/IPS function, or malware inspection.
True
In the troubleshooting process, testing the theory to determine probable problem cause can also involve asking for assistance of more experienced peers.
True
Long Term Evolution (LTE) is a wireless communications standard for mobile devices and wireless hotspots. LTE offers significant improvements in terms of speed when compared to the older generation of 3G cellular networks. LTE and its later revision LTE-Advanced (LTE-A) are often marketed as 4G standards.
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
The term "VM escape" refers to the process of breaking out of the boundaries of a guest operating system installation to access the primary hypervisor controlling all the virtual machines on the host machine.
True
The term "VM sprawl" is used to describe a situation in which large number of deployed virtual machines lack proper administrative controls.
True
Thunderbolt 3
Uses USB-C connector, enables data transfer rate of up to 40 Gbps, provides support for up to 6 devices on a single port, provides the capability to send PCIe/DisplayPort data and power over single cable
What are the characteristic traits of single-mode fiber optics?
Uses laser as the source of light, transmission distances of up to 100 km, more expensive than multimode fiber optics.
BIOS configuration settings can be set to factory defaults by:
Using a jumper on the motherboard, reseating the CMOS battery on the motherboard in older PCs, choosing the default configuration option in the BIOS interface.
Docking Stations:
Usually offer additional ports and capabilities compared to port replicators and typically are designed to work only with a specific laptop make and model (proprietary design)
Which of the following terms refers to a logical grouping of computers that allow computer hosts to act as if they were attached to the same broadcast domain regardless of their physical location?
VLAN
A system that uses public network (such as the Internet) as a means for creating private encrypted connections between remote locations is called:
VPN
A set of Intel CPU hardware enhancements improving support for virtualization is referred to as: A set of Intel CPU HAV enhancements is called:
VT-x
The last step of the troubleshooting process should come as the next consecutive step after:
Verifying full system functionality and implementing preventive measures
Which of the answers listed below refer to the characteristic features of the signal that can be carried through the VGA cable?
Video and Analog
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:
Virtual RAM, swap file, and paging file
Which of the answers listed below describe the characteristics of a non-persistent VDI?
Virtual desktop is shared among multiple users and at the end of a session, user desktop reverts to its original state.
Which of the terms listed below refers to a solution that allows multiple operating systems to work simultaneously on the same hardware?
Virtualization
Which of the answers listed below refers to 64-bit CPU architecture?
x64
Which of the following terms denotes a 32-bit CPU architecture?
x86
Which of the following answers refer(s) to voltages generated by modern PC power supplies?
+3.3 V +5 V +/-12 V
What is the name of a network protocol that secures web traffic via SSL/TLS encryption?
HTTPS
ECC type RAM:
Can detect and correct errors
Which of the answers listed below refer to SSD form factors?
M.2 and mSATA
An IPv6 address consists of:
128 bits
Which of the DNS database records listed below returns a 32-bit IP address?
A
Which of the following dedicated expansion slots/ports on the PC motherboard enable(s) connecting an M.2 device?
B key slot, M key slot, B+M key slot
Which of the answers listed below refer to examples of optical disc drives?
CD-ROM drive, DVD-ROM drive, BD-ROM drive
Which of the following is a file system designed for optical media?
CDFS
Which of the following answers refer to the 2G/3G mobile telecommunications standards?
CDMA and GSM
In CPU cooling, thermal paste is applied to fill in the narrow space between:
CPU and heat sink
Which of the following answers refer(s) to (a) solution(s) aimed at improving CPU heat dissipation?
CPU fan, thermal pad, heat sink, thermal paste, liquid-based cooling
Which of the following connector types is used for RS-232 serial communications?
DB-9/DE-9
Which of the Internet connection types listed below is the fastest?
Fiber
Which of the inkjet printer components is the most expensive to replace?
Ink cartridge
A computer's BIOS interface can be accessed by pressing:
The key set by the motherboard manufacturer for accessing BIOS configuration interface during boot
Which of the following answers refers to a printer type commonly used as PoS terminal component?
Thermal
Which of the following answers refer(s) to common applications of UDP?
Video conferencing, live streaming, online gaming, Voice over IP (VoIP)
Which of the following answers describes(s) the characteristics of Dynamic Random-Access Memory (DRAM)?
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)
A computer network connecting multiple smaller networks over very large geographical areas is referred to as:
WAN
What is the common minimum requirement for twisted-pair copper cabling in modern Ethernet networks?
Cat 5e
What is the minimum cabling requirement for a 10 Gbps Ethernet connection over copper twisted pair?
Cat 6
Garbled characters on output pages would indicate a printing problem related to:
Printer driver
IPP, LPD/LPR, and SMB/CIFS are examples of protocols that enable what kind of network service?
Printing
Which of the following answers refers to a system containing mappings of domain names to various types of data, such as numerical IP addresses?
DNS
Which network protocol enables retrieving contents of an Internet page from a web server?
HTTP
Which of the following answers refer to IPv6 loopback addresses?
0:0:0:0:0:0:0:1 and ::1
What are the characteristic features of SATA revision 1.0?
1.5 Gbps data transfer rate and maximum cable length of 1 meter
An Ethernet network cable segment implemented with the use of twisted-pair copper cabling typically covers a maximum distance of:
100 meters
Which of the answers listed below describe(s) the characteristics of Category 5e (Cat 5e) cabling?
100-meter cable segment length, twisted-pair copper cabling, RJ45 connector, 1 Gbps transfer rate over all 4 pairs of cables (1000BASE-T networks)
Which of the following answers refer(s) to the characteristic feature(s) of Category 5 (Cat 5) cabling?
100-meter cable segment length, twisted-pair copper cabling, RJ45 connector, 100 Mbps transfer rate over 2 pairs of cables (100BASE-T networks), 1 Gbps transfer rate over all 4 pairs of cables (1000BASE-T networks)
Which of the following answers refers to an IPv4 loopback address?
127.0.0.1
Which of the port numbers listed below are reserved for NetBIOS services?
137, 138, and 139
Which of the following TCP ports is used by the Internet Message Access Protocol (IMAP)?
143
The SATA interface specification defines a power connector consisting of:
15 pins
Which of the answers listed below refers to the maximum rpm value available in modern HDDs?
15000 rpm
Which of the following answers refer to the Double Data Rate 3 Synchronous Dynamic Random-Access Memory (DDR3 SDRAM)?
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.
Which of the following answers refer to SATA revision 3.2?
16 Gbps data transfer rate and maximum cable length of 1 meter
What is the maximum allowable number of devices that can be attached to a parallel SCSI bus?
16 devices
An SNMP Agent receives requests on UDP port:
161
An SNMP management station receives SNMP notifications from Agents on UDP port:
162
What is the maximum number of devices that can be attached to a PC through a single PATA cable?
2
Which of the answers listed below refer to the IEEE 802.11b wireless standard?
2.4 GHz frequency range and maximum data signaling rate of 11 Mbps
Which of the following answers refer to the IEEE 802.11g wireless standard?
2.4 GHz frequency range and maximum data signaling rate of 54 Mbps
Which of the following answers refer to the characteristics of Bluetooth?
2.4 GHz frequency range, short-range wireless technology, and used for connecting devices in a WPAN
Which of the following answers refers to an HDD form factor for laptop computers?
2.5 inch
Which of the TCP ports listed below is used by Telnet?
23
Which of the answers listed below refers to the main power connector used in modern ATX power supplies?
24-pin connector
SATA revision 2.0 specifies:
3 Gbps data transfer rate and maximum cable length of 1 meter
What is the practical cable length limitation for USB 3.x?
3 meters
Which of the answers listed below refers to magnetic drive form factor for desktops?
3.5 inch
An IPv4 address consists of:
32 bits
What are the characteristic features of conventional PCI?
32-bit bus width, 64-bit bus width, parallel interface, and maximum throughput of up to 533 MB/s
Which type of printer uses plastic filament or resin to produce output?
3D Printer
Parallel ATA (PATA) cabling uses:
40-pin connectors
USB 2.0 (a.k.a. Hi-Speed USB) specifies the maximum data transfer rate of:
480 Mbps
What is the maximum allowable cable length for USB 2.0?
5 meters
The characteristic features of SATA revision 3.0 include:
6 Gbps data transfer rate and maximum cable length of 1 meter
The fiber-optic Thunderbolt interface allows for a maximum cable length of:
60 meters
What are the characteristic features of the Double Data Rate 4 Synchronous Dynamic Random-Access Memory (DDR4 SDRAM)? Which of the answers listed below refer to Double Data Rate 5 Synchronous Dynamic Random-Access Memory (DDR5 SDRAM)?
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.
The SATA interface specification defines data cable connector consisting of:
7 pins
A USB-to-Ethernet converter enables:
802.3 connectivity
Which of the answers listed below refers to example of an unlicensed wireless frequency band?
900 Mhz, 2.4 GHz, 5 GHz, 5.8 GHz
Which of the following answers refer to the function of digitizer?
A type of input device translates analog data into a format suitable for computer processing, component of a mobile device's screen that allows to control the device with a stylus or fingertip.
Which MFD/MFP feature optimizes processing of multi-page documents?
ADF
What is the most common type of DSL Internet access?
ADSL
Which of the following answers refers to hardware virtualization enhancements developed by AMD for its CPUs? Which of the answers listed below refers to HAV enhancements developed by AMD for its CPUs?
AMD-V
What is the most common motherboard type used in desktop PCs?
ATX
Which of the following statements is true?
Aborted BIOS update can damage the motherboard and render the computer unusable
An infrastructure device designed for connecting wireless/wired client devices to a network is commonly referred to as:
Access Point (AP)
In the AAA security architecture, the process of tracking accessed services as well as the amount of consumed resources is called:
Accounting
Which part of the AAA security architecture deals with the verification of the identity of a person or process?
Authentication
Which of the answers listed below refers to the process of granting or denying access to resources?
Authorization
A dim display on a laptop LCD screen might indicate a problem related to:
Backlight and inverter
A popular, short-range wireless technology used for connecting various personal devices in a WPAN is known as:
Bluetooth
A SOHO multifunction device/printer sharing over wireless connection can be implemented with the use of:
Bluetooth and 802.11x
After completing the initial diagnostic procedures and allocating system resources, the startup BIOS program checks for information about secondary storage devices that might contain the OS. The list of devices and the order in which they should be checked can be found and arranged in BIOS. This functionality can be accessed via:
Boot Options
A permanent computer display screen discoloration caused by displaying the same static image for extended periods of time is known as:
Burn-in
A type of CPU architecture where a single physical CPU contains more than one execution core on a single die or chip is known as:
Multicore
The use of cable modems for Internet access within a standard cable television infrastructure is commonly referred to as:
Cable Broadband
Which of the tools listed below would be used for attaching RJ45 connectors to a twisted-pair Ethernet cable?
Cable Crimper
What is the name of a dedicated tool used for removing electrical insulation cover from electric wires?
Cable Stripper
Which of the tools listed below would be used for troubleshooting incorrect pinouts on a cable? A type of tool used for verifying correct electrical connections of wires in a cable is known as:
Cable Tester
Which of the following answers refer(s) to the characteristics of Parallel ATA (PATA) cabling?
Cable consisting of 40 wires, cable consisting of 80 wires, ribbon cable
Which of the actions listed below would be of help while troubleshooting incorrect color settings on the printer's output pages?
Calibrating the display, calibrating the printer, and using appropriate printing paper
Which of the following answers refers to a common fix for cursor drift?
Calibration
Which of the answers listed below refer(s) to F-type connector?
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.
Which cloud infrastructure type would be the most suitable for a group of organizations sharing common interests?
Community cloud
Which type of peripheral hardware would require the replacement of a burned-out bulb?
Computer projector
Which of the following answers refer(s) to coaxial cabling?
Copper cabling, provides protection against EMI, and used for carrying cable television signal and for broadband cable Internet access.
What type of Ethernet cable would be used for establishing a direct communication link between two PCs?
Crossover Cable
Shielded Twisted-Pair (STP) cabling reduces what kind of interference?
Crosstalk and EMI
The characteristic features of the IEEE 802.11n wireless standard include:
Multiple Input/Multiple Output (MIMO), 2.4 GHz and 5.0 GHz frequency band, maximum data signaling rate of up to 600 Mbps
Which of the answers listed below refers to a cabling type suitable for installation under ground level without any additional protective covering?
DBC
Which of the acronyms listed below refers to the type of electric current supplied to most of the internal PC components?
DC
A network protocol providing an alternative solution to the manual allocation of IP addresses is known as:
DHCP
An IPv4 address in the range 169.254.0.1 through 169.254.255.254 indicates a problem with what type of service?
DHCP
Which of the following server types is used for automatic allocation of IP addresses on a network? What type of server handles the assignment of dynamic IP addresses?
DHCP Server
Examples of connectionless protocols include:
DHCP and TFTP
Which of the following allows the receiver of an email message to verify that the message claimed to have come from a specific domain was indeed authorized by the owner of that domain? Which of the answers listed below refers to an authentication method that enables signing an outbound email message with digital signature?
DKIM
Which of the following answers refers to a DNS TXT record containing instructions for the recipient of an email message on how to handle emails that do not align with the sender's mail policies?
DMARC
Which DNS TXT records are used for spam management?
DMARC, DKIM, SPF
A network admin can ping remote host by its IP address, but not by its domain name. Which of the following is the most probable source of this problem?
DNS
In a persistent VDI:
Each user runs their own copy of virtual desktop and at the end of a session, user data and personal settings are saved.
What is the function of an SMTP server?
Email Handling
POP3 protocol is used for:
Email retrieval
Which specific actions are not performed in the first step of the troubleshooting process?
Establishing a theory of probable cause and establishing a plan of action to resolve the problem.
Which of the following symptoms would indicate a depleted toner cartridge as the source of a printing problem?
Faded printouts and printing blank pages
A tiny spot on an LCD monitor display screen that permanently remains black when it should be activated and displaying color is commonly referred to as stuck pixel.
False
Adding an eSATA device to a PC can be done either by attaching the device cable directly to the motherboard's integrated I/O panel, connecting it via eSATA port on a modular bracket mounted on the back of the PC case, or attaching it directly to a dedicated slot on the motherboard.
False
BIOS/UEFI passwords improve the security of a PC. These low-level passwords may, for example, prevent unauthorized users to proceed when the computer is powered on (Supervisor password), or restrict the scope of changes a user can make in the BIOS/UEFI interface (User password).
False
Compared to non-ECC memory, ECC RAM is a less expensive option and will always perform faster.
False
High-end PC motherboards typically contain microprocessor sockets compatible with chips from different CPU manufacturers.
False
IPS, TN, VA, and OLED are all implementations of the LCD display technology.
False
In cloud computing, the term "Measured service" refers to a situation in which gaining access to resources does not require a flat fee. This type of billing model allows consumers to be charged variable rates depending on the exact amount of utilized resources.
False
In cloud computing, the term "Metered service" refers to the cloud provider's ability to track the computing resources consumers are accessing as well as the amount of resources they are consuming. It provides transparency for both the provider and consumer and is used, among other applications, for the purpose of billing.
False
In impact printing, calibration helps to ensure that the colors and layout represented on the monitor display match the colors and layout of the printed image.
False
Inside a PC case, connector cables from a power switch, reset switch, or LEDs on the front/top panel of the case attach to their corresponding slots located on the PSU.
False
SDRAM's backward compatibility feature provides a convenient way for building PCs utilizing SDRAM modules of different types.
False
Small Outline Dual In-Line Memory Module (SODIMM) is a more compact type of computer memory designed for desktop PCs.
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.
False
The main difference between the UTP and STP cabling is that the UTP cable takes advantage of additional protective cover reducing signal interference from outside sources.
False
The presence of the Program Files (x86) folder on the C drive in MS Windows indicates that the PC takes advantage of 32-bit architecture and OS version.
False
Which type of network cabling provides immunity against EMI and RFI?
Fiber optic
What is the function of FTP?
File Exchange
Which of the answers listed below refer to common applications that make use of TCP?
File transfer, email communication, web browsing
Which of the following answers refer to the biometric authentication methods implemented in modern laptops?
Fingerprint scan and face recognition
Which of the following answers refers to a software or hardware that monitors network traffic and depending on the configuration settings applied to each data packet either blocks it or allows it to pass through?
Firewall
Which laptop feature allows to overcome standard keyboard size restrictions?
Fn key
Which step of the troubleshooting process involves establishing a plan of action to resolve the problem?
Fourth step
In laser printing, toner falling off of the printed copy indicates a problem with:
Fuser assembly
What is the name of a laser printer component that applies high temperature and pressure to bond the toner to the paper?
Fuser assembly
A mobile device's built-in functionality enabling the usage of locator applications is called:
GPS
Which of the modern GPU types offers the highest performance?
GPU on a PCIe expansion card
Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) allows for monitoring a system for anticipated:
HDD/SSD failures
Which type of cabling takes advantage of the 19-pin Type A connector?
HDMI
Which of the interfaces listed below provide the capability for transmission of both video and audio data?
HDMI and DisplayPort
Which of the following answers refer(s) to (a) video connection standard(s)?
HDMI, VGA, DVI, and DisplayPort
IPv6 addresses are expressed with the use of:
Hexadecimal numbers
Which of the following statements refer to the characteristic features of magnetic drives?
High capacity, low device cost, low performance
What are the characteristic features of In-Plane Switching (IPS)?
High color quality, wide viewing angles, and slow response times
Vertical Alignment (VA) display technology can be characterized by:
High contrast ratios, good viewing angles, and good color quality
What are the characteristic features of satellite Internet connections?
High signal latency, relatively high cost in comparison to terrestrial links, interference (line-of-sight/weather dependent)
The disadvantage from using this device results from the fact that any incoming signal on any of its ports is re-created and sent out on any connected ports which has a negative impact on network performance. A network segment utilizing only this type of device is the most prone to network performance degradation due to large number of network collisions.
Hub
An Intel-proprietary technology that splits a single CPU core into two virtual cores that can be used simultaneously by an OS is called:
Hyper-threading
TCP port 80 is assigned to:
Hypertext Transfer Protocol (HTTP)
In virtualization technology, a software program that manages multiple operating systems (or multiple instances of the same operating system) on a single computer system is known as:
Hypervisor
Which IEEE standard implements PoE+?
IEEE 802.3at
Which of the following metrics might be of help in diagnosing the declining performance of a storage drive?
IOPS
Which of the following answers list(s) data required for manual configuration of network adapter settings?
IP address, subnet mask, default gateway, and DNS server address
The DNS database AAAA record creates a pointer that maps a hostname to:
IPv6 Address
Which of the following answers refers to a proprietary line of low-power consumption small form factor motherboard types for industrial and embedded PC applications?
ITX
Which of the answers listed below refers to a cloud computing service model in which clients, instead of buying all the hardware and software, purchase computing resources as an outsourced service from suppliers who own and maintain all the necessary equipment and software?
IaaS
SCSI ID:
Identifies physical device on a SCSI chain
Which of the following should be the first step in the troubleshooting process?
Identifying the problem
In laser printing, vertical lines on each output page indicate a problem related to:
Imaging drum
Which of the answers listed below refers to a laser printer component that holds the representation of the output image drawn on its surface by the laser printer's laser?
Imaging drum
Which type of printer takes advantage of a tractor feed during printing process?
Impact
Which of the following printer types provide the capability to produce duplicate pages (multipart forms) during printing process?
Impact and dot matrix
Once a plan of action to resolve the problem has been established, the next step in the troubleshooting process should be:
Implementing the solution
Which of the following answers refers to the features of the IEEE 802.11ac (WiFi 5) wireless standard?
Multi-User Multiple Input / Multiple Output (MU-MIMO), 5.0 GHz frequency band, Maximum data signaling rate of up to 6.933 Gbps
Which of the following answers refers to a dedicated device designed for supplying power over Ethernet cabling?
Injector
Which of the answers listed below refers to a relatively inexpensive printer type commonly used in SOHO environments?
Inkjet
Which built-in functionality allows certain CPU models to take over tasks normally executed by a dedicated graphics controller?
Integrated GPU
Which of the following hardware components would be the most difficult to replace on a laptop computer?
Integrated GPU
Which of the answers listed below refer to the main CPU manufacturers for personal computers?
Intel and AMD
Which state of the HDD LED light typically indicates the drive's normal operation?
Intermittent flashing
An emerging field of new technologies, such as wearable tech or home automation is known as:
IoT
Hardware RAID Level 0:
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.
A type of network connecting computers within a small geographical area such as a building or group of buildings is called:
LAN
Which of the following answers refer(s) to example(s) of fiber-optic connectors?
LC, ST, SC
Which of the following answers refers to a display technology most commonly used in modern laptops?
LCD
TCP port 389 is the default network port for:
LDAP
A type of backlight technology most commonly used in modern laptop devices is known as:
LED
Which of the answers listed below refers to a method for identifying logical partitions on a SCSI storage drive?
LUN
For best performance, a custom workstation designed for virtualization tasks needs:
Large, fast storage drive, maximum RAM, and maximum CPU cores
The time a DHCP client can use an IP address dynamically assigned by the DHCP server is referred to as
Lease
Which of the following answers refers to a proprietary connector type that features symmetrical/reversible connector plug? Which of the answers listed below refers to a proprietary 8-pin power connector for iOS devices?
Lightning
What is the name of a proprietary connector type used by Apple mobile devices?
Lightning connector
Which of the following answers refer to common battery types that can be found in modern portable devices?
Lithium-ion (Li-ion) and Lithium-ion Polymer (LiPo)
A physical network device or software solution designed for managing the optimal distribution of workloads across multiple computing resources is known as:
Load Balancer
Which of the following is an example of on-premises VDI solution?
Local server hosting virtualized OS
While troubleshooting problems with a Network Interface Card (NIC), connector pins on the NIC's port can be tested with the use of:
Loopback Plug
Which of the following tools allows to identify bad port on a network device?
Loopback plug
When a computer monitor is unable to display image on the screen, the most common causes of this problem (and the easiest ones to fix) include:
Loose cable connections and wrong input selection
Which of the following answers describe the Twisted Nematic (TN) technology?
Low viewing angles, fast response times, and low color quality
Which of the following answers refers to a dedicated mobile app management software?
MAM
A computer network connecting multiple LANs over an area of a city is called:
MAN
Which type of software enables a centralized administration of mobile devices? Which of the following facilitates the enforcement of mobile device policies and procedures?
MDM
Which of the following answers refer to an office equipment that combines the functionality of multiple devices?
MFD and MFP
Which of the following DNS database records maps a domain name to a list of mail servers for that domain?
MX
A set of printer replacement parts is commonly referred to as:
Maintenance Kit
A type of layer 2 network switch with configuration features that can be modified through a user interface is known as:
Managed Switch
What are the characteristic features of the IEEE 802.11a wireless standard?
Maximum data signaling rate of 54 Mbps and 5.0 GHz frequency band
Taking advantage of the performance benefits offered by the multi-channel memory architecture requires:
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
A common connector type providing power to graphics cards, CPUs, older type of storage media, or cooling fans on the PC motherboard is generally referred to as:
Molex connector
What is the name of the most common connector type used for providing power to various hardware components inside computer case?
Molex connector
Which of the answers listed below refers to a common solution for BIOS date/time setting resets?
Motherboard battery replacement
Which of the following actions would solve the problem of leaking/burst/bulged capacitors inside the computer case?
Motherboard replacement and capacitor replacement
What are the characteristics of the IEEE 802.11ax (WiFi 6) wireless standard?
Multi-User Multiple Input / Multiple Output (MU-MIMO), 2.4 GHz and 5.0 GHz frequency band, Maximum data signaling rate of up to 9.607 Gbps
Which of the following statements describe disadvantages of virtualization?
Multiple virtual machines run on a single host share hardware resources which has a degrading effect on performance and hardware used for hosting virtual machines becomes a single point of failure.
A very short-range communication method where a wireless signal is sent between two devices that are touching or nearly touching each other is a characteristic feature of: A technology implemented in modern laptops that enables data transfer and authentication features between the laptop and another portable device at a very close range is known as:
NFC
Which type of technology enables contactless payment transactions?
NFC
Which of the following answers refers to a computer's hardware component designed for enabling network access?
NIC
A logical device interface used for accessing non-volatile memory storage devices attached via PCIe is known as:
NVMe
Which of the following answers refer to storage media device interfaces for SSDs?
NVMe, SATA, PCIe
Which of the answers listed below refers to the location of a laptop's Wi-Fi antenna?
Near the top, inside display case
Which of the following answers refers to an API that enables communication between hosts on a LAN?
NetBIOS
According to the troubleshooting methodology, verification of full system functionality and implementation of applicable preventive measures should be performed as the:
Next step after implementing the solution
Which of the following characteristics apply to the type of RAM most commonly used as the main system memory in desktop PCs?
Non-ECC memory and dynamic RAM
What is the function of a DNS TXT record?
Not used to direct any traffic and provides outside services with additional information about a domain.
Which type of fiber-optic equipment can be found at a demarc?
ONT
Which of the following answers refer to IMAP4?
Offers improved functionality in comparison to POP3 and serves the same function as POP3
Which of the following answers refer to the characteristic features of a dedicated server motherboard?
Offers support for ECC RAM, utilizes more than one CPU (Multisocket motherboard), designed for limited space (rack-mount / blade)
Which of the following antenna types would be the least suitable for long-range point-to-point bridging links?
Omnidirectional Antenna
A single Serial ATA (SATA) data cable can be used to connect a motherboard slot with:
Only 1 device
Due to size restrictions and compact nature of laptops devices, this type of storage media becomes less commonly found on new laptops.
Optical drives
A type of limited-range computer network used for data transmission among various types of personal devices is known as:
PAN
Peripheral Component Interconnect Express (abbr. as PCIe) is a high-speed, serial expansion bus designed as a replacement for:
PCI, PCI-X, and AGP
Which of the following answers refers to a security feature used in Bluetooth device pairing?
PIN Code
Which of the acronyms listed below refers to a series of basic hardware diagnostic tests performed by the startup BIOS after the computer is powered on?
POST
A database on a mobile device containing bands, sub-bands and service provider IDs allowing the device to establish connection with the right cell phone tower is called:
PRL
Examples of computer languages that describe the appearance of a printed page include:
PS and PCL
Which cloud service model would provide the best solution for a web developer intending to create a web app?
PaaS
The process of establishing a connection between Bluetooth devices (e.g., between a Bluetooth enabled headset and a Bluetooth-enabled phone) is known as:
Pairing
Examples of printer problems that might be closely related to malfunctioning pickup rollers include:
Paper not feeding and multipage misfeed
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?
Parity bit
A simple device consisting of multiple connector blocks and ports used for cable management is known as:
Patch Panel
A common cabling type used for connecting workstations to network devices is referred to as:
Patch cable and straight-through cable
A solution that allows to supply electricity over standard Ethernet cables is known as: (Select 2 answers)
PoE and IEEE 802.3af
The IEEE 802.3bt standard implements:
PoE++ and 4PPoE
Which of the following solutions would ensure the highest availability of the network printing service?
Print Server
Platters of a magnetic hard drive spin at a rate measured in:
Revolutions per minute
A device designed to filter and transfer data packets between dissimilar types of computer networks is called:
Router
A dedicated local network consisting of devices providing data access is known as:
SAN
Which motherboard connector features an L-shape design that prevents its improper insertion?
SATA
Which of the following answers refers to industrial and manufacturing control system?
SCADA
Which of the following requires termination?
SCSI chain
Examples of flash memory card formats include:
SD, CompactFlash, Micro-SD, Mini-SD, xD
Which of the answers listed below refers to a technology designed to simplify network infrastructure management?
SDN
Which of the following protocols runs on TCP port 445?
SMB/CIFS
A type of protocol used in network management systems for monitoring network-attached devices is called:
SNMP
What is the most common memory module form factor type used in laptops?
SODIMM
Which of the following answers refers to an open standard defining a technical method to prevent electronic mail sender address forgery? Which of the answers listed below refers to a DNS TXT record that allows the owner of a domain to specify all the servers authorized to send mail from their domain?
SPF
Which of the answers listed below refer(s) to internal data storage device type(s) used in laptop computers?
SSDs and Magnetic Disks
A type of cryptographic network protocol for secure data communication, remote command-line login, remote command execution, and other secure network services between two networked computers is known as:
SSH
Which of the answers listed below refers to a secure replacement for Telnet?
SSH
Which of the following answers refer to connection-oriented protocols?
SSH and HTTPS
A cloud computing service model offering remote access to applications based on monthly or annual subscription fee is called:
SaaS
In computer security, a mechanism for safe execution of untested code or untrusted applications is referred to as:
Sandboxing
What are the countermeasures against VM escape?
Sandboxing and patch management
A range of IP addresses that a DHCP server can lease out to DHCP clients is known as:
Scope
In the troubleshooting methodology, establishing a theory of probable cause should come as the:
Second step of the troubleshooting process
A UEFI functionality designed to prevent the loading of malware and unauthorized OSs is called:
Secure Boot
The SMTP protocol is used for:
Sending email messages between mail servers and sending email messages from a client device
Which of the printer hardware components prevent multiple sheets of paper from being fed into the printer at one time?
Separation pad and pickup roller
Which of the answers listed below refer to the characteristic features of SAS?
Serial interface, point-to-point connection, and does not require bus termination
What is the function of an HTTP server?
Serving of web pages
Which of the answers listed below refers to a permanent assignment of an IP address?
Static IP address
What allows to determine which network segment an IP address belongs to?
Subnet Mask
Which of the following terms refers to USB 3.2 Gen 1?
SuperSpeed USB
USB 3.2 Gen 2 is also labeled as:
SuperSpeed USB 10 Gbps
Which of the answers listed below refers to USB 3.2 Gen 2x2?
SuperSpeed USB 20 Gbps
Which type of password provides the highest level of permissions in BIOS?
Supervisor
Which of the answers listed below refers to a data-link layer device designed to forward frames between network segments?
Switch
Which type of server is used for collecting diagnostic and monitoring data from networked devices?
Syslog Server
Which of the following solutions provide the AAA functionality?
TACACS+ and RADIUS
Post Office Protocol v3 (POP3) uses:
TCP Port 110
Which port enables the FTP's Data Connection for sending file data?
TCP Port 20
The FTP's Control Connection for administering a session is established through:
TCP Port 21
SSH protocol runs on:
TCP Port 22
A network technician uses Remote Desktop Protocol (RDP) client on their Windows OS to remotely troubleshoot a problem on another Windows machine. Which of the following ports needs to be opened for the built-in Windows RDP server to allow this type of network connection?
TCP Port 3389
Which of the following ports is used by HTTPS?
TCP Port 443
Which of the following answers refers to a traffic monitoring device placed between two points in a network infrastructure?
Tap
Which of the answers listed below refer to RJ11 connector?
Telephone equipment, dial-up networking, and twisted-pair copper cabling.
Once the theory of probable cause of the problem has been established, the next troubleshooting step should involve: Which step of the troubleshooting process involves re-establishing a new theory to determine probable problem cause?
Testing the theory to determine the problem cause
Video Graphics Array (VGA) connector is a:
Three-row 15-pin connector
Which of the tools listed below would be used for locating a cable in a cabling bundle or tracing individual wires in a cable?
Toner and Probe Kit
Which of the following tools would be the most appropriate for cleaning the inside of a laser printer?
Toner vacuum, magnetic cleaning brush, and isopropyl alcohol
Which of the following answers refers to a device capable of providing both input and output functions?
Touch screen
What is the name of a laptop component that provides the function of a pointing device?
Trackpad
In color laser printers, a hardware component that picks up all color layers of an image from imaging drums before passing the complete image onto the paper is called:
Transfer belt
Telnet:
Transmits data in an unencrypted form, enables remote login and command execution, provides username & password authentication.
A POST card is used for:
Troubleshooting computer startup problems
10GBASE-T is a standard for 10 Gbps connections over twisted-pair copper cabling.
True
A PC Power Supply Unit (PSU) can accept the voltage of 110-120 VAC (Volts of Alternating Current), or 220-240 VAC. PSU's operation can be adjusted to the supplied voltage either with the use of a manual selector switch on the back of the device or automatically by the device. PSUs equipped with manual selector switch are referred to as fixed-input devices, PSUs offering automatic voltage adjustment are known as auto-switching PSUs.
True
A cloud delivery model consisting of two or more interlinked cloud infrastructures (private, community, or public) is referred to as a hybrid cloud.
True
A common example of channel overlapping in wireless networking would be the 2.4 GHz band used in 802.11 networks, where the 2.401 - 2.473 GHz frequency range is used for allocating 11 channels, each taking up a 22-MHz portion of the available spectrum. Setting up a wireless network to operate on a non-overlapping channel (1, 6, and 11 in this case) allows multiple networks to coexist in the same area without causing interference.
True
A double colon in an IPv6 address indicates that part of the address containing only zeros has been compressed to make the address shorter.
True
A printer's capability to print on both sides of a paper sheet is referred to as duplex printing.
True
A standardized specification of a motherboard (including its dimensions, supported power supply types, and layout of components) is known as the motherboard's form factor.
True
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
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 sp
True
As opposed to active cooling components such as cooling fans, heat sinks fall into the category of passive cooling components because they do not need to draw any electrical power to operate.
True
Automatic Private IP Addressing (APIPA) allows a Windows host to self-configure an IPv4 address and subnet mask when Dynamic Host Configuration Protocol (DHCP) is unavailable. APIPA uses an address block range between 169.254.0.0 and 169.254.255.255. APIPA-assigned addresses are valid only for communications within a network segment that a given host is connected to (a host with APIPA-assigned address cannot connect to the Internet).
True
Common printer configuration options include paper orientation settings which enable switching between Portrait mode (vertical orientation of the printout), or Landscape mode (horizontal orientation). Some printers might also offer an additional paper orientation option which enables the printout to be rotated by a specific degree. For most printers, the default paper orientation mode is Portrait mode.
True
DVI-I provides support for both digital and analog video signal transmission.
True
In 10GBASE-T networks, Category 6 (Cat 6) UTP cabling supports a 10 Gbps data transfer rate at a limited range of 33-55 meters, whereas Cat 6A (Augmented) cabling allows for 10 Gbps data transfer rate over a cable segment length of 100 meters.
True
In MS Windows, the problem of a nonresponsive printer with multiple prints pending in queue can be solved by restarting the Print Spooler service. The Print Spooler configuration options can be accessed by pressing Windows logo + R key combination, typing in services.msc in the Run dialog box + pressing Enter, double-clicking on the Print Spooler service, and modifying settings on the Recovery tab. Manual restart can be performed by right-clicking on the Print Spooler service in the Services win
True
In Microsoft OSs, Performance tab in Windows Task Manager allows to identify hardware components affecting system performance. In a similar fashion, Task Manager's Processes tab can be used to identify compute-intensive applications and processes that can be the cause of sluggish system performance.
True
In Voice over Internet Protocol (VoIP) communication, the term "Jitter" refers to a data packet delay that adversely affects the quality of the transmission.
True
In a network using subnets, the term "Default gateway" refers to a network device that enables exchange of data between hosts residing in different subnets.
True
In computer security, the term "Biometrics" refers to physical characteristics of the human body that can be used for identification and access control purposes.
True
In laser printing, the function of a transfer roller is to apply electrical charge to the paper to move the representation of an image or text (consisting of toner) from the imaging drum to the paper.
True
Modern ATX motherboards use a 24-pin power connector, however many power supplies might be equipped with a 20-pin power connector for backward compatibility with older motherboards and a separate 4-pin connector for delivering power to PCIe slots on newer motherboards. The 20+4 connector can be used with either 20- or 24-pin motherboards (in case of a 20-pin motherboard power slot, the 4-pin connector simply remains unattached to the board).
True
Motherboards used in laptops and mobile devices can be characterized by their proprietary design, which means that installing a new motherboard in such devices most often requires replacement part designed for specific make and model of the given device.
True
Multiple Input / Multiple Output (MIMO) is a wireless technology that allows for significant increase in wireless data throughput due to the use of multiple antennas and multiple data streams.
True
Of the three existing versions of the Simple Network Management Protocol (SNMP), versions 1 and 2 (SNMPv1 and SNMPv2) offer authentication based on community strings sent in an unencrypted form (in cleartext). SNMPv3 provides packet encryption, authentication, and hashing mechanisms that allow to check whether data has changed in transit.
True
On the CompTIA A+ exam, the term "Finishing issues" in the context of printing process refers to post-printing problems related to additional functionalities offered by some office printers, such as stapling documents and punching holes in printouts. The problem of staple jams can be solved by locating a staple case on the printer and manually removing any jammed staples. For printers that can punch holes in documents, a common maintenance task would be locating a hole-punch waste container on t
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
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
Security measures that can be implemented on an MFD/MFP might include user authentication on the device via system software, restricting physical access only to authorized users wearing appropriate ID badges, reviewing audit logs, or setting up Personal Identification Number (PIN) printing (a.k.a. secured prints) that would require numeric passcode before accessing printing jobs.
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
The Blue Screen of Death (BSoD) (a.k.a. stop error screen) in MS Windows indicates a fatal error that the system cannot fix on the fly to continue operate safely. BSOD provides technical information that might be of help for advanced users in solving the cause of the stop error. In older versions of Microsoft OSs, information displayed on the screen when Windows encountered this type of error typically included error code, memory address where it occurred, and the name of the driver that caused
True
The CMOS battery located on a computer's motherboard allows for maintaining the correct time and date information stored in CMOS RAM. In older computer systems, the CMOS battery also allowed for maintaining the BIOS configuration settings stored in CMOS RAM.
True
The Internet is an example of a large public WAN.
True
The PCIe labeling (×1, ×4, ×8, ×12, ×16 and ×32) refers to the number of communication links (a.k.a. lanes) available in different versions of the PCIe interface. The base value (x1) relates to the speed of a single lane expressed in MB/s. The multiplier (x) allows for easy calculation of the maximum throughput of the entire interface for a given PCIe variant.
True
The color-coded memory slots on the motherboard indicate that a given motherboard provides support for the multi-channel memory architecture.
True
The function of the NetBT protocol is to allow NetBIOS services to be used over TCP/IP networks.
True
The general feature of all twisted-pair cabling types is that wires inside the cable are grouped into pairs and wires in each pair are twisted around each other to reduce signal interference from adjacent wire pairs (effect known as crosstalk).
True
The installation of USB ports located on the front panel of a computer case requires plugging in internal USB cable connectors into compatible groupings of metal pins (a.k.a. headers) on the motherboard.
True
The main functionality of Basic Input/Output System (BIOS) is to perform initial hardware checks after the computer is powered on and to start up the Operating System (OS).
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
The problem of speckling (tiny dots/spots) on the printer's output pages can be caused by leaky cartridges and accumulation of foreign material inside the printer case.
True
The procedure of adjusting printer output to match the image shown on a computer display is known as printer calibration test.
True
The term "Flatbed scanner" refers to a scanner type that takes advantage of a flat glass surface for scanning documents.
True
The term "Mobile hotspot" refers to a type of WLAN that enables network access through a mobile device that acts as a portable WAP.
True
The term "Modular power supply" refers to a PSU equipped with detachable cables.
True
The term "Port flapping" refers to a condition where port light on a network device rapidly alternates between up and down states. This problem is usually related to faulty or unsupported cable and/or incorrect link synchronization settings such as speed and duplex mismatch.
True
Transmission Control Protocol (TCP) is a connection-oriented protocol using a three-way handshake, which is a set of initial steps required to establish network connection. TCP supports retransmission of lost packets, flow control (managing the amount of data that is being sent), and sequencing (rearranging packets that arrived out of order).
True
User Datagram Protocol (UDP) is an example of a connectionless protocol. Because UDP does not support a three-way handshake while establishing a network connection, it is referred to as an unreliable or best-effort protocol.
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
Which of the answers listed below refer to 1000BASE-T standard?
Twisted-pair copper cabling, transfer rates of up to 1000 Mbps, and transfer rates of up to 1 Gbps
Which of the following answers refer(s) to UTP cabling?
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 it is installed with RJ45 connector type.
Which of the following answers refer(s) to the characteristic features of TPM?
Typically, in the form of a chip embedded into computer motherboard, international standard for a secure crypto processor, designed to secure hardware through cryptographic functions.
Which of the answers listed below refer(s) to HSM?
Typically, in the form of an expansion card or an external device and designed to secure hardware through cryptographic functions.
Dynamic Host Configuration Protocol (DHCP) runs on:
UDP Port 67 and 68
What is the name of a device that can provide short-term emergency power during an unexpected main power source outage?
UPS
Which BIOS configuration option allows to mitigate the risk of malware infection?
USB Configuration Settings
Which of the answers listed below refer(s) to (a) wired connection type(s) that can be used for SOHO multifunction device/printer sharing?
USB and Ethernet
Which of the following answers list(s) example(s) of hot-swappable drives?
USB drive, SATA drive, and eSATA drive
Which of the following answers refer to a popular portable storage device utilizing flash memory?
USB drive, flash drive, thumb drive
Which of the answers listed below refers to a symmetrical/reversible USB connector type?
USB-C
Examples of USB ports that can be found on mobile devices include:
USB-C, Micro-USB, Mini-USB
Which type of network cabling is most susceptible to EMI and RFI?
UTP
What is the maximum allowable length for a Thunderbolt copper cable?
Up to 3 meters
Which of the following security measures can be used to prevent VM sprawl?
Usage audit and asset documentation
What are the characteristic features of RG-59 cabling specification?
Used for analog video and CCTV installations, coaxial cabling, and suitable for short-distance cable runs
Which of the following answers refer to RG-6 cabling specification?
Used for cable television, satellite television, and cable modems, coaxial cabling, and suitable for long-distance cable runs.
Which of the answers listed below describe the function of a laptop's inverter?
Used for supplying voltage to backlights in older types of LCD panels and converts DC power into AC power
What are the characteristics of SMB/CIFS?
Used mainly by computers running Microsoft Windows operating systems and provides shared access to files, directories, and devices
What are the characteristic features of RJ45 connector?
Used with Ethernet network cabling and twisted-pair copper cabling connector
Which of the answers listed below refer to the characteristics of multimode fiber optics?
Uses LED as the source of light, transmission distances of up to 2 km, less expensive than single-mode fiber optics
What are the characteristic features of an OLED display?
Works without backlight, lower light output (brightness) in comparison to LCDs, and better contrast ratio and color representation in comparison to LCDs
Which of the following answers refer to directional antenna types suitable for long-range point-to-point bridging links?
Yagi antenna, Dish antenna, Parabolic antenna
Which of the answers listed below refers to a dedicated expansion card used for attaching external storage devices?
eSATA card
The functionality of a Network Interface Card (NIC) can be checked by pinging:
localhost ::1 127.0.0.1
Which of the following answers refers to an older, portable device SSD form factor superseded by M.2?
mSATA
"Pinwheel" is an informal term used for describing stop error in:
macOS
Which of the terms listed below refers to a proprietary flash memory card format used mainly in older digital cameras?
xD