CompTIA A+ Questions
Which of the following are SSD form factors used in laptop computers? (Select 2 answers) 1.5 inch 5.25 inch 1.8 inch 2.5 inch 1.3 inch
1.8, 2.5
USB 3.1 offers an improvement over its predecessors by enabling a maximum data transfer rate of up to: 6 Gbps 10 Gbps 20 Gbps 40 Gbps
10 Gbps
Which of the following are characteristic features of Category 5 (Cat 5) cabling? (Select all that apply) - Coaxial cabling - 100 Mbps Ethernet (100BaseT networks) - F-type connector - 55-meter cable segment length - 1 Gbps Ethernet (1000BaseT networks) - BNC connector - 100-meter cable segment length - RJ-45 connector - 10 Gbps Ethernet (10GBaseT networks) - Twisted-pair copper cabling - Fiber-optic cabling
100 Mbps, 1 Gbps, 100 meter segments, RJ-45 connector, Twisted-pair copper cabling
Which of the following are characteristic features of Category 5e (Cat 5e) cabling? (Select all that apply) - 10 Gbps Ethernet (10GBaseT networks) - RJ-11 connector - 55-meter cable segment length - 100 Mbps Ethernet (100BaseT networks) - RJ-45 connector - Fiber-optic cabling - 100-meter cable segment length - Twisted-pair copper cabling - 1 Gbps Ethernet (1000BaseT networks) - Coaxial cabling
100 Mbps, RJ-45, 100 meter segments, twisted-pair copper cabling, 1 Gbps
What is the typical maximum segment length for a copper twisted-pair Ethernet cable? 33 meters 55 meters 100 meters 250 meters
100 meters
What are the characteristic features of the IEEE 802.11b wireless standard? (Select 2 answers) Maximum data signaling rate of 11 Mbps 2.0 GHz frequency range Maximum data signaling rate of 54 Mbps 5.0 GHz frequency range Maximum data signaling rate of up to 600 Mbps 2.4 GHz frequency range
11 Mbps, 2.4GHz
What is the maximum number of USB devices that can be connected to a single USB host controller? 31 63 127 255
127
Which of the following port numbers are reserved for NetBIOS services? (Select 3 answers) 136 161 137 162 138 139
137, 138, 139
Which of the following TCP port numbers is assigned to IMAP? 143 389 443 636
143
An SNMP Agent receives requests on UDP port: 161 138 162 139
161
An SNMP management station receives SNMP notifications on which of the following UDP ports? 161 137 162 138
162
Which of the following sizes is the most common magnetic hard disk drive form factor used in laptops? - 3.5 inch - 5.25 inch - 1.8 inch - 2.5 inch
2.5
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
20 Gbps, MDP, PCIe/DP over single cable, 6 devices 1 port
The IEEE 802.11n standard specifies available channel bandwidth options of: (Select 2 answers) 20 MHz 22 MHz 40 MHz 80 MHz 160 MHz
20 and 40
What is the channel bandwidth specified in the IEEE 802.11a standard? 20 MHz 22 MHz 40 MHz 80 MHz
20MHz
Which of the following channel bandwidths is specified in the IEEE 802.11g standard? 20 MHz 22 MHz 40 MHz 80 MHz
20MHz
Which of the following is a channel bandwidth used in 802.11b networks? 20 MHz 22 MHz 40 MHz 80 MHz
22MHz
Which of the following TCP ports does Telnet use? 20 21 22 23
23
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
3 meters
Which of the following are Apple-proprietary connector types that can be used for iOS mobile device synchronization? (Select 2 answers) USB-C connector 30-pin dock connector USB Type-A connector 8-pin dock connector (a.k.a. Lightning connector) USB Type-B connector
30-pin dock, lightning
An IPv4 address consists of: 32 bits 48 bits 64 bits 128 bits
32 bits
Which port number is used by SLP (Service Location Protocol)? 143 427 548 443
427
What is the maximum allowable cable length for both Full Speed USB and High Speed USB? 3 meters 4.5 meters 5 meters 10 meters
5 meters
Which of the following answers describe features of the IEEE 802.11ac wireless standard? (Select 3 answers) - Multiple Input / Multiple Output (MIMO) - Data signaling rate of up to 600 Mbps - 5.0 GHz frequency band - Maximum data signaling rate of up to 6.77 Gbps - Multi-User Multiple Input / Multiple Output (MU-MIMO) - 2.4 GHz frequency band
5.0GHz, 6.77Gbps, MU-MIMO
Which of the following UDP ports is assigned to DNS? 53 67 110 389
53
Which of the following answers apply to the IEEE 802.11g wireless standard? (Select 2 answers) Maximum data signaling rate of up to 600 Mbps 5.4 GHz frequency band Maximum data signaling rate of 54 Mbps 2.4 GHz frequency range Maximum data signaling rate of 11 Mbps 5.0 GHz frequency range
54 Mbps, 2.4GHz
Apple Filing Protocol (AFP) runs by default on TCP port: 427 443 445 548
548
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
6 devices 1 port, 50Gbps, USB-C, PCIE/DP single cable
Which of the following describe(s) 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
6 devices 1 port, PCIe/DP single cable, MDP, 20Gbps
Fiber-optic Thunderbolt interfaces have a maximum cable length of: 30 meters 40 meters 50 meters 60 meters
60 meters
DHCP runs on: (Select 2 answers) UDP port 63 UDP port 65 UDP port 67 UDP port 68 UDP port 69
67 and 68
The IEEE 802.11g standard is backwards compatible with: 802.11n 802.11a 802.11b 802.11ac
802.11b
Which of the following describes the function of a digitizer? (Select 3 answers) - A device that translates analog data into a format suitable for computer processing - A type of output device - A component of a mobile device's screen that allows users to control the device with a fingertip - An example of a media converter - A type of input device
A device that translates analog data into a format suitable for computer processing, A component of a mobile device's screen that allows users to control the device with a fingertip, A type of input device
Which of the following are SSD form factors used in laptop computers? (Select 2 answers) 1.5 inch 5.25 inch 1.8 inch 2.5 inch 1.3 inch
1.8 and 2.5
Which of the following is a file sharing network protocol? RDP SSH AFP SLP
AFP (Apple Filing Protocol)
What are the characteristic traits of a network switch? (Select all that apply) - Forwarding decisions made in hardware (ASIC) - Typically capable of connecting more network segments than bridge (more physical ports) - Older and less effective type of network device in comparison to network bridge - Forwarding decisions made in software - Sometimes referred to as multiport bridge - Newer and more effective type of network device in comparison to network bridge - Typically capable of connecting fewer network segments than bridge (fewer physical ports)
ASIC, more physical ports, aka multiport bridge, newer and more effective
According to troubleshooting theory, when should verification of full system functionality and implementation of applicable preventative measures be performed? - After documenting findings, actions and outcomes - As the first step of the troubleshooting process - After implementing the solution - As the last step of the troubleshooting process
After implementing the solution
Which of the following is one of the functions provided by RADIUS and TACACS servers? Name resolution Email handling Authentication File storage & sharing
Authentication
A computer that supports LoJack technology must have two main components installed. It needs an Application Agent (residing in the OS), which sends tracking signals that enable location and recovery of a stolen device. The other component is a Persistence Module, which restores the Application Agent and allows it to survive reinstallation of an operating system or reformatting of the hard drive. The highest level of security offered by LoJack can be achieved when Persistence Module resides in the: OS USB key Computer's BIOS Partition gap on the hard drive
BIOS
Which of the following apply to the USB 3.0 standard? (Select 3 answers) - High Speed USB - Backward compatibility with all preceding USB standards - 3 Gbps data transfer rate - Full Speed USB - 5 Gbps data transfer rate - SuperSpeed USB - 10 Gbps data transfer rate - No backward compatibility with the preceding USB standards
Backwards compatible, 5Gbps, SuperSpeed USB
After completing initial diagnostic procedures and allocating system resources, a 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 the CMOS setup utility. This option is commonly referred to as a: Boot record Master Boot Record (MBR) Partition table Boot sequence
Boot sequence
Which of the following physical security controls provide protection against laptop theft? (Select 2 answers) Encryption Cable lock LoJack for laptops Smart card reader Laptop lock
Cable lock and laptop lock
Network connections implemented with the use of a cable modem take advantage of: (Select 3 answers) Cabling that carries TV signals Telephone lines Coaxial cabling Shared bandwidth Twisted-pair copper cabling Dedicated bandwidth
Cabling that carries TV signals, Coaxial cabling, shared bandwidth
What is the common minimum requirement for twisted-pair copper cabling in modern Ethernet networks? Cat 3 Cat 5 Cat 5e Cat 6 Cat 6A
Cat 5e
What is the minimum cabling requirement needed to create a 10 Gbps Ethernet connection over copper twisted-pair cable? Cat 5 Cat 5e Cat 6 Cat 6A
Cat 6
Which step of the laser printer imaging process requires troubleshooting if a printer produces ghost images on output pages? Charging Fusing Exposing Developing Cleaning
Cleaning
Which of the following describe characteristics of single-mode fiber optic cabling? (Select 3 answers) Transmits for distances of up to 2 km Costs more than multimode fiber optics Uses LED as a source of light Transmits for distances of up to 100 km Uses laser as a source of light Costs less than multimode fiber optics
Costs more, 100km, laser light source
What type of Ethernet cable is used to establish a direct communication link between two PCs? Patch cable Crossover cable Rollover cable Straight-through cable
Crossover cable
What type of power jack can be found on a laptop case? AC PFC DC A/V
DC
An IPv4 address within the range of 169.254.0.1 through 169.254.255.254 indicates a problem with what type of service? SMTP DNS DHCP SNMP
DHCP
What type of service performs an FQDN-to-IP resolution? SLP DHCP DNS SNMP
DNS
Examples of video connection standards include: (Select all that apply) SCSI DVI DisplayPort USB SATA HDMI VGA
DVI, DisplayPort, HDMI, VGA
In laser printing, long vertical streaks on each output page indicate a problem with: Printer calibration Damage to the imaging drum The printer driver Clogged print head nozzles
Damage to the imaging drum
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 hard drive replacement - Replacement of a faulty cooling fan - Central Processing Unit (CPU) replacement - Data backup and replacement of a faulty primary storage module - Power Supply Unit (PSU) replacement
Data backup and hard drive replacement
Which of the following is a networked device providing an entry point into another network or onto the Internet? Hub Switch Proxy server Default gateway
Default gateway
The Universal Serial Bus (USB) standard specifies that type A connectors can be attached to: (Select 2 answers) Target devices Devices that supply power Host devices Any type of device Devices that receive power
Devices that supply power, host devices
In modern PCs, BIOS contents are stored in: (Select 2 answers) EEPROM ROM EPROM Flash memory PROM
EEPROM, flash
What is the function of an SMTP server? Authentication File storage & sharing Name resolution Email handling
Email handling
Which of the following is an IPv6 link-local address? 2002::/16 ::1/128 FE80::/10 2001::/32
FE80::/10
Establishing a theory about the probable cause of a problem is a troubleshooting step that requires conducting research based on symptoms and may also involve asking for assistance from a more experienced tech. True False
False
Static Network Address Translation (SNAT) provides a mapping between an individual private IP address and any of the IP addresses belonging to the available public IP address pool. True False
False
User Datagram Protocol (UDP) is a connection-oriented protocol using a three-way handshake, a set of initial steps required to establish a network connection. UDP 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 False
False
What is the function of a Time-Domain Reflectometer (TDR)? - Finding breaks in copper network cables - Locating the beginning and the end of a cable in a cabling bundle - Checking network installation for compliance with TIA or ISO standards - Finding breaks in fiber-optic network cables
Finding breaks in copper network cables
Which of the following describe the features of a network bridge? (Select 3 answers) - Forwarding decisions made in hardware (ASIC) - Newer and more effective type of network device in comparison to network switch - Typically capable of connecting more network segments than switch (more physical ports) - Forwarding decisions made in software - Typically capable of connecting fewer network segments than switch (fewer physical ports) - Older and less effective type of network device in comparison to network switch
Forwarding decisions made in software, fewer physical ports, older and less effective
In laser printing, toner falling off of a printed copy indicates a problem with which of the following? Toner cartridge Print head Cleaning blade Fuser assembly
Fuser assembly
Which interface uses a 19-pin Type A connector? USB Thunderbolt FireWire DisplayPort HDMI
HDMI
Which of the following interfaces can transmit both video and audio data? (Select 2 answers) S/PDIF DVI VGA HDMI DisplayPort
HDMI, DisplayPort
TCP port 80 is assigned to: Hypertext Transfer Protocol (HTTP) Hypertext Transfer Protocol over TLS/SSL (HTTPS Internet Message Access Protocol (IMAP) Lightweight Directory Access Protocol (LDAP)
HTTP
The main disadvantage of using this device is its negative impact on network performance, resulting from the fact that any incoming signal on any of its ports is re-created and sent out on any connected ports. Router Switch Bridge Hub
Hub
Which of the following reflects differences between passive and active network security breach responses? HIPS vs. NIPS UTM vs. Firewall NIPS vs. UTM IDS vs. IPS
IDS (Intrusion Detection System) vs IPS (Intrusion Prevention System)
A unique number used to identify a mobile network phone user is a(n): SSID MAPI IMSI IMEI
IMSI
Which of the following solutions enables simultaneous digital transmission of voice, video, data, and other network services over a PSTN? VoIP WiMAX NFC ISDN
ISDN
Which of the following are characteristics of fiber-optic network cabling? (Select 3 answers) - Immunity to electromagnetic interference - Used for last-mile cable runs - Less suitable for carrying digital information than copper cabling - High signal attenuation - Limited bandwidth and maximum cable segment length in comparison to copper cabling - More suitable for carrying digital information than copper cabling - Used for network backbone cabling
Immunity to electromagnetic interference, more suitable, network backbone cabling
Which of the following describe IMAP? (Select 2 answers) -Offers improved functionality in comparison to POP3 -Serves the same function as POP3 -Enables sending email messages from client devices -Offers less functions than POP3 -Enables email exchange between mail servers
Improved functionality, same function as Pop3
Which of the following is a dedicated device designed to supply power to PoE equipment? Inverter Power Supply Unit (PSU) Injector Uninterruptible Power Supply (UPS)
Injector
Which of the following hardware components is the most difficult to replace on a laptop computer? Optical drive Primary storage System board Integrated GPU Secondary storage
Integrated GPU
Which of the following hardware components is the most difficult to replace on a laptop computer? Optical drive Primary storage System board Integrated GPU Secondary storage
Integrated GPU
A type of backlight technology most commonly used in modern laptop devices is called: CCFL CRT OLED LED
LED
Which of the following is a proprietary 8-pin power connector for iOS devices? Thunderbolt DisplayPort Molex Lightning
Lightning
When troubleshooting problems with a Network Interface Card (NIC), which of the following tools can be used to test connector pins on the NIC's port? Tone generator and probe Cable tester Multimeter Loopback plug
Loopback plug
Which of the following USB variants have a practical cable length limitation of 3 meters? (Select 2 answers) Low Speed USB Full Speed USB High Speed USB SuperSpeed USB
Low Speed, SuperSpeed
Which of the following are characteristic features of the IEEE 802.11n wireless standard? (Select all that apply) - Multiple Input / Multiple Output (MIMO) - Maximum data signaling rate of 54 Mbps - 2.4 GHz frequency band - Multi-User Multiple Input / Multiple Output (MU-MIMO) - 5.0 GHz frequency band - Maximum data signaling rate of up to 600 Mbps
MIMO, 2.4GHz, 5.0GHz, 600Mbps
A network switch with configuration features that can be modified via a user interface is a: Virtual switch Multilayer switch PoE switch Managed switch
Managed switch
Which of the following answers apply to the IEEE 802.11a wireless standard? (Select 2 answers) - 2.4 GHz frequency band - Maximum data signaling rate of 54 Mbps - 5.0 GHz frequency band - Maximum data signaling rate of up to 600 Mbps - 5.4 GHz frequency band - Maximum data signaling rate of 11 Mbps
Maximum 65 Mbps, 5.0GHz frequency
Which USB connector type can be used on an Android device for mobile device synchronization? USB Mini-B USB Type-A USB Micro-B USB Mini-A USB Type-B
Micro-B
Which of the following actions might solve the problem of leaking/burst/bulged capacitors inside a computer case? (Select 2 answers) Motherboard replacement Central Processing Unit (CPU) replacement Memory module replacement Power Supply Unit (PSU) replacement Capacitor replacement
Motherboard, capacitor
Which of the following solutions alleviates the depletion of IPv4 address space by allowing multiple hosts on the same private LAN to share a single public IP address? DNS APIPA NAT DHCP
NAT
Which of the following solutions hides internal IP addresses by modifying the IP address information in IP packet headers while it is in transit across a traffic routing device? QoS DHCP NAT DNS
NAT
Which of the following are technologies that enable wireless mobile connectivity? (Select 3 answers) NFC IEEE 802.3 Bluetooth IR Thunderbolt
NFC, Bluetooth, IR
Which of the following are technologies that enable wireless mobile connectivity? (Select 3 answers) NFC IEEE 802.3 Bluetooth IR Thunderbolt
NFC, Bluetooth, IR
Which of the following is used when a WINS server tries to resolve a host name into an IP address on a Windows-based LAN? DNS TCP/IP NetBIOS DHCP
NetBIOS
Which of the following relate to IPv4 link-local addresses? (Select 3 answers) FE80::/10 Non-routable IP address Public IP address APIPA address 169.254.0.0/16 Routable IP address
Non-routable, APIPA, /16
Due to size restrictions and the compact nature of laptop devices, this type of storage media has become less commonly found on new laptops. Flash drives Optical drives Solid-state drives Magnetic drives
Optical drives
A type of limited-range computer network used for data transmission among various types of personal devices is known as: PAN LAN SAN MAN
PAN
Which of the following is a Network Address Translation (NAT) method that takes a combination of a private IP address and a port number, then binds them with the corresponding public IP address and port information? PAT NAC RAS EAP
PAT (Port Address Translation)
A type of technology that enables sending data over wiring used for transmission of electrical power is known as: PLC ECP PoE EPP
PLC (Power Line Communication)
What are the basic settings required for configuring a POP3 connection? (Select all that apply) -TCP port 995 -POP3 server name -SSL/TLS encryption -POP3 username -Password -TCP port 110
POP3 server name, Pop3 username, Password, TCP 110
Which of the following can be used as a reference during a mobile device update process? PRI RIS PII PRL
PRI (Primary Rate Interest)
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 RIS PRI PII
PRL (Preferred Roaming List)
A type of twisted-pair copper cable used for connecting workstations to network devices is known as: (Select 2 answers) Patch cable RG-59 cable Crossover cable RG-6 cable Straight-through cable
Patch cable, straight-through cable
A simple device consisting of multiple connector blocks and ports used for cable management is a: Media converter Demarc Main Distribution Frame (MDF) Patch panel
Patch panel
A type of enclosed space in a building (such as the area between a dropped ceiling and a structural ceiling) that is used for air handling is known as a(n): Plenum Main Distribution Frame (MDF) HVAC system Intermediate Distribution Frame (IDF)
Plenum
Which of the following acronyms describes using a single twisted-pair Ethernet cable to carry both data and electrical power? EPP PoE ECP PLC
PoE (Power over Ethernet
Which of the following tools is used to attach network cables to a patch panel? Cable crimper Punchdown tool Cable certifier Needle-nose pliers
Punchdown tool
Which of the following is an older type of serial cable used for connecting modems, printers, mice, and other peripheral devices? RJ-11 RG-6 RS-232 RG-59
RS-232
Port 445 is used by: (Select 2 answers) RDP SMB CIFS HTTPS IMAP
SMB and CIFS
TCP port 25 is used by: SNMP Telnet FTP SMTP
SMTP
Which of the following memory module form factors are used in laptop computers? (Select 2 answers) SODIMM ECC RAM DIMM MicroDIMM C-RIMM
SODIMM and MicroDIMM
What are the characteristic features of the secure version of IMAP (IMAPS)? (Select all that apply) -TCP port 143 -Secure Sockets Layer (SSL) -TCP port 993 -Transport Layer Security (TLS) -TCP port 995
SSL, TCP 993, TLS
POP3S uses: (Select all that apply) -TCP port 993 -Secure Sockets Layer (SSL) -TCP port 995 -Transport Layer Security (TLS) -TCP port 110
SSL, TCP 995, TLS
Examples of copper cabling types used in Ethernet networks include: (Select all that apply) STP Multimode UTP Single-mode Coax
STP, UTP, Coax
Which of the following protocols permits automated discovery of networked services on Local Area Networks (LANs)? SMB AFP CIFS SLP
Service Location Protocol (SLP)
Which of the following describe characteristics of DSL modems? (Select 3 answers) Dedicated bandwidth Cabling that carries TV signals Shared bandwidth Twisted-pair copper cabling Telephone lines Coaxial cabling
Shared bandwidth, twisted-pair copper cabling, telephone lines
Which of the following are examples of wearable technology devices? (Select 3 answers) Phablets Smart watches Fitness monitors Smartphones VR/AR headsets
Smart watches, fitness monitors, VR/AR
Which of the following determines which network segment an IP address will belong to? Physical address Dynamic Host Configuration Protocol (DHCP) Address Resolution Protocol Subnet mask
Subnet mask
Which type of password provides the highest level of permissions in BIOS? root Supervisor Administrator Power User
Supervisor
Which of the following describes the function of a laptop inverter? (Select 2 answers) - Converts AC power into DC power - Supplies voltage to backlights in older types of LCD panels - Converts DC power into AC power - Supplies voltage to backlights in OLED displays
Supplies voltage to backlights in older types of LCD Panels and Converts DC power into AC power
Which device improves network performance by dividing a given network segment into separate collision domains? Hub Repeater Switch Router
Switch
Which of the following are copper cabling termination specifications? (Select 2 answers) RJ-11 T568A RG-6 RJ-45 T568B RG-59
T568A, T568B
POP3 uses: TCP port 110 UDP port 123 TCP port 143 UDP port 161
TCP port 110
A network technician wishes to use an 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 1720 TCP port 636 TCP port 3389 TCP port 445
TCP port 3389
Which of the following ports is used by HTTPS? TCP port 80 TCP port 443 UDP port 53 TCP port 143
TCP port 443
The Universal Serial Bus (USB) standard specifies that type B connectors can be attached to: (Select 2 answers) Target devices Devices that supply power Host devices Any type of device Devices that receive power
Target devices, devices that receive power
Which of the following is a type of diagnostic tool used for measuring the strength of a wireless signal? Tone generator Multimeter Wi-Fi analyzer Network mapper
Tone generator
Dynamic Host Configuration Protocol (DHCP) allows for static allocation of an IP address based on an IP-to-MAC address mapping. True False
True
In 10GBaseT networks, Category 6 (Cat 6) cabling supports a 10 Gbps data transfer rate at a limited range of 33-55 meters, whereas Cat 6A (Augmented) cabling allows for a 10 Gbps data transfer rate over a segment length of 100 meters. True False
True
Multiple Input / Multiple Output (MIMO) is a wireless technology that allows for significant increase in data throughput due to the use of multiple antennas and multiple data streams. True False
True
Networked clients not residing on the same subnet as a DHCP server can still obtain an IP address from the server through a DHCP relay agent (a.k.a. IP helper). True False
True
The DVI-I connector supports both digital and analog video signal transmissions. True False
True
The function of the NetBT protocol is to allow NetBIOS services to be used over TCP/IP networks. True False
True
The main difference between UTP and STP cabling is that STP cables have additional protective covers that reduce signal interference from outside sources. True False
True
Wi-Fi Protected Setup (WPS) simplifies the configuration of new wireless networks by enabling non-technical users to easily set up new networks, configure network security settings and add new devices to an existing network. However, due to its known security vulnerabilities, WPS is not recommended and should be disabled. True False
True
Which of the following are features of UTP (Unshielded Twisted Pair) 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 RJ-45 connector type
Twisted-pair, ethernet & telephone, Low cost & easy to install, no shielding, RJ-45
Which of the following is a Mini-HDMI connector used with portable devices such as camcorders and digital cameras? Type A Type B Type C Type D
Type C
A type of architecture that simplifies networking by allowing devices to dynamically join a network, autoconfigure, and learn about the presence and capabilities of other devices is known as: DHCP UPnP S.M.A.R.T. UEFI
UPnP
Which of the following describes zero-configuration networking? WAP UPnP TKIP PnP
UPnP (Universal Plug and Play)
DE-15, DB-15, and HD-15 are different names used for a(n): RJ-45 connector BNC connector VGA connector 8P8C connector
VGA connector
Which of the following is a dedicated device designed to manage encrypted connections established over an untrusted network such as the Internet? VPN concentrator Proxy server Distributed switch UTM appliance
VPN concentrator
Which of the following are characteristic features of a signal that can be carried through a VGA cable? (Select 2 answers) Audio Video and audio Digital Video Analog
Video, analog
A computer network that connects multiple smaller networks over very large geographical areas is called a: PAN LAN MAN WAN
WAN
Which of the following best describes the disabling of an SSID broadcast? It is one of the measures used in the process of securing wireless networks It makes a WLAN harder to discover It blocks access to a WAP It prevents wireless clients from accessing the network
WLAN harder to discover
Which wireless network type has a design that uses mesh topology? MAN WMN VLAN WAN
WMN
A laptop's Bluetooth module enables communication over: WWAN VLAN WLAN WPAN
WPAN
Which of the following is a long-distance line-of-sight Internet service? WiMAX IEEE 802.11 IR Bluetooth
WiMAX
What are the characteristic features of an OLED display? (Select 3 answers) - Works without backlight - Inferior contrast ratio and color representation in comparison to LCDs - Lower light output (brightness) in comparison to LCDs - Display type commonly used in modern laptop devices - Better contrast ratio and color representation in comparison to LCDs - Requires backlight to illuminate the screen - Lower cost in comparison to LCDs - Higher light output (brightness) in comparison to LCDs
Works without backlight, Lower brightness, better contrast ratio and color representation
Which of the following refer to IoT technologies designed to permit communication between appliances in a home automation network? (Select 2 answers) Ant+ RFID Z-Wave NFC Zigbee
Z-Wave and Zigbee
A dim display on a laptop LCD screen might indicate that there is a problem with: (Select 2 answers) Stuck pixels Backlight Dead pixels Incorrect color patterns Inverter
backlight, inverter
Which of the following printer problems may be caused by depleted toner? (Select all that apply) Faded printouts Garbled characters on printer output pages Ghost images Printing blank pages Vertical streaks on each output page
faded printouts, blank pages
The IEEE 802.11n standard offers backward compatibility with: (Select all that apply) 802.11g 802.11ac 802.11b 802.11a
g, b, a
Examples of mobile device synchronization methods for Apple iOS devices include: (Select all that apply) iTunes OneDrive Remote Disk iCloud Dropbox
iTunes, iCloud
Which of the following is a feature of UEFI? (Select all that apply) - Mouse support - DRM support - Support for hard drives with a maximum of 4 partitions per drive - GUI mode - Secure boot - Designed as a replacement for BIOS - Support for partitions/hard drives of up to 2TB - Network access
mouse, DRM, GUI, Secure boot, replaces BIOS, network access
Which of the following describes the location of a laptop Wi-Fi antenna? On the WLAN module Near the top, inside display case Inside laptop's case Typically attached via external expansion port
near the top, inside display case
A 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
Which of the following statements describe the features of multimode fiber optics? (Select 3 answers) Uses laser as a source of light Transmits for distances of up to 2 km Costs more than single-mode fiber optic cabling Transmits for distances of up to 100 km Costs less than single-mode fiber optic cabling Uses LED as a source of light
up to 2km, costs less than single-mode, uses LED for light
Which of the following statements describe(s) coaxial cabling? (Select all that apply) Fiber-optic cabling Does not protect against EMI Used for carrying a cable television signal Copper cabling Protects against EMI Used for broadband cable Internet access
used for TV, copper cabling, protected against EMI, broadband internet
Which of the following describes the function of a laptop inverter? (Select 2 answers) - Converts AC power into DC power - Supplies voltage to backlights in older types of LCD panels - Converts DC power into AC power - Supplies voltage to backlights in OLED displays
voltage for old LCD backlights, DC into AC
