CompTIA A+ 220-901 Practice Test 5

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SSD form factors used in laptop computers include: (Select 2 answers) 1.5-inch 5.25-inch 1.8-inch 2.5-inch 1.3-inch

1.8-inch 2.5-inch

Which of the following answers list(s) the feature(s) of the IEEE 802.11b wireless standard amendment? (Select all that apply) Maximum data signaling rate of 54 Mbps 5.0 GHz frequency range Carrier Sense Multiple Access / Collision Detection (CSMA/CD) network access method 2.4 GHz frequency range Maximum data signaling rate of 11 Mbps Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method

2.4 GHz frequency range Maximum data signaling rate of 11 Mbps Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method

Which of the following answers lists the most common magnetic drive form factor used in laptops? 3.5-inch 5.25-inch 1.8-inch 2.5-inch

2.5-inch

Which of the following answers refers(s) to the feature(s) of the IEEE 802.11ac wireless standard amendment? (Select all that apply) Data signaling rate of up to 600 Mbps 5.0 GHz frequency band Carrier Sense Multiple Access / Collision Detection (CSMA/CD) network access method Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method Multi-User Multiple Input / Multiple Output (MU-MIMO) 2.4 GHz frequency band

5.0 GHz frequency band Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method Multi-User Multiple Input / Multiple Output (MU-MIMO)

What is the most common type of a DSL Internet access? VDSL ADSL SDSL UDSL

ADSL

An infrastructure device designed for connecting wireless/wired client devices to a network is commonly referred to as: Captive portal Access Point (AP) Intermediate Distribution Frame (IDF) Active hub

Access Point (AP)

Which of the devices listed below allows for establishing a communication channel over a PSTN? Analog modem ICS server Multilayer switch Default gateway

Analog modem

Which of the following technologies can be used by devices communicating in a WPAN? (Select all that apply) Bluetooth IEEE 802.3 Near Field Communication (NFC) Infrared (IR) 100BASE-T

Bluetooth Near Field Communication (NFC) Infrared (IR)

The use of cable modems within a standard cable television infrastructure for Internet access is commonly referred to as: Broadband cable Frame relay Metro-Ethernet Dial-up

Broadband cable

A type of tool used for verifying correct electrical connections of wires in a cable is known as: Loopback plug Tone generator Cable tester Multimeter

Cable tester

A portion of the available Radio Frequency (RF) band allocated for wireless communication is known as: Scope Channel Service set Layer

Channel

A situation in which multiple channels share the frequency band causing interference and performance degradation for devices operating on channels that are too close to each other is known as: Cross-talk Channel overlapping Collision Channel bonding

Channel overlapping

Which of the following tools would be used for attaching RJ-45 connectors to a twisted-pair Ethernet cable? Cable tester Needle-nose pliers Punchdown tool Crimper

Crimper

A network protocol providing an alternative solution to the manual assignment of IP addresses is called: DNS SNMP NAT DHCP

DHCP

A lightly protected subnet consisting of publicly available servers placed on the outside of the company's firewall is commonly referred to as: VPN Bridge VLAN DMZ

DMZ

Which of the following enables broadband Internet access based on the cable television infrastructure? SONET GBIC DOCSIS SCADA

DOCSIS

Which of the Internet connection types listed below types is the slowest? Dial-up Cable Satellite DSL Fiber

Dial-up

Which of the following Internet access types takes advantage of the traditional PSTN lines? Fiber-optic Mobile broadband Dial-up WiMAX

Dial-up

LDAP is an example of: Authentication protocol Address resolution protocol Directory access protocol File exchange protocol

Directory access protocol

Which of the following answers refers to a portable device type designed primarily for the purpose of reading books in digital format? Phablet E-reader Subnotebook Digitizer

E-reader

A hardware solution designed to extend the functionality of a laptop computer by providing the capability to add various types of devices on an external expansion card is called: xD card ExpressCard SD card CompactFlash (CF)

ExpressCard

A hardware technology designed as a replacement for the PCMCIA standard is called: PC Card CompactFlash (CF) CardBus ExpressCard

ExpressCard

Which of the answers listed below refers to a network device that allows to overcome limitations related to the maximum allowable cable segment length? Passive hub Extender Patch panel Multiplexer

Extender

The Advanced Boot Options screen allows for starting Windows in advanced troubleshooting modes. The Advanced Boot Options menu can be accessed by turning on the PC and pressing a function key before Windows starts. Which of the following keys provides access to that menu? F1 Del F8 Esc

F8

Which of the following answers refer(s) to file sharing network protocol(s)? (Select all that apply) RIP FTP NNTP AFP SNMP

FTP AFP

Dynamic Network Address Translation (DNAT) provides a permanent mapping between a private IP address and a public IP address on a one-to-one basis. True False

False

Static Network Address Translation (SNAT) provides a mapping between private IP address and any of the IP addresses belonging to the available public IP address pool. True False

False

Transmission Control Protocol (TCP) is an example of a connectionless protocol. TCP doesn't support three-way handshake (thus it is also referred to as unreliable or best-effort protocol). True False

False

User Datagram Protocol (UDP) is a connection-oriented protocol that requires a set of initial steps in order to establish connection (three-way handshake), 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

Which of the following choices refers to an Internet connection type that offers the highest data signaling rate? DSL Dial-up Cable Satellite Fiber

Fiber

A software or hardware that checks information coming from the Internet and depending on the applied configuration settings either blocks it or allows it to pass through is called: Antivirus Firewall Antispyware Malware

Firewall

A software embedded into a hardware chip is commonly referred to as: Adware Shareware Malware Firmware

Firmware

Which of the answers listed below refers to a memory type commonly used as an additional external storage in laptops? ROM Flash USB Magnetic drive

Flash

Which of the following functionalities allows to overcome standard keyboard size restrictions in laptops? Touchpad Numeric keypad Fn key Digitizer

Fn key

Examples of secure network protocols offering traffic encryption include: (Select 3 answers) FTP HTTPS Telnet HTTP IPsec SSH

HTTPS IPsec SSH

Which of the statements listed below refer to the characteristic features of traditional magnetic drives? (Select 3 answers) High capacity Low device cost High performance Low capacity High device cost Low performance

High capacity Low device cost Low performance

Which of the following answers describe the features of Solid-State Drives (SSDs)? (Select 3 answers) Low performance High device cost Lower capacity compared to magnetic drives High performance Low device cost Higher capacity compared to magnetic drives

High device cost Lower capacity compared to magnetic drives High performance

A Wireless Access Point (WAP) or site offering public wireless Internet access is commonly referred to as: Hotspot Proxy Hub Gateway

Hotspot

The disadvantage from using this device results from a fact that any incoming signal on any of its ports is re-created and sent out on any connected ports, which in turn forces all the connected devices to share the total amount of available bandwidth. Hub Switch Access point Bridge

Hub

Which of the following solutions allows for simultaneous digital transmission of voice, video, data, and other network services over a PSTN? WiMAX PoE ISDN HSPA+

ISDN

A network connecting computers within a small geographical area such as a building or group of buildings is commonly referred to as a: PAN LAN MAN WAN

LAN

A proprietary connector type used by Apple mobile devices is known as: 8P8C connector Lightning connector BNC connector Lucent Connector (LC)

Lightning connector

What is the most common battery type that can be found in modern portable devices? Alkaline Nickel-metal hydride Lithium-ion Nickel-cadmium

Lithium-ion

While troubleshooting problems with a Network Interface Card (NIC), connector pins on the NIC's port can be tested with the use of: POST card Cable tester Multimeter Loopback plug

Loopback plug

A computer network connecting multiple LANs over an area of a city or campus is called: PAN LAN MAN WAN

MAN

Which of the answers listed below refer(s) to the characteristic feature(s) of the IEEE 802.11a wireless standard amendment? (Select all that apply) Maximum data signaling rate of 54 Mbps 5.0 GHz frequency band Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method 2.4 GHz frequency band Maximum data signaling rate of 11 Mbps Carrier Sense Multiple Access / Collision Detection (CSMA/CD) network access method

Maximum data signaling rate of 54 Mbps 5.0 GHz frequency band Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method

What are the characteristics of the IEEE 802.11g wireless standard amendment? (Select all that apply) Carrier Sense Multiple Access / Collision Detection (CSMA/CD) network access method Maximum data signaling rate of 54 Mbps Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method 2.4 GHz frequency range Maximum data signaling rate of 11 Mbps 5.0 GHz frequency range

Maximum data signaling rate of 54 Mbps Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method 2.4 GHz frequency range

Which of the following devices can be installed in an AMR slot? Video adapter card CPU Modem Keyboard

Modem

Which of the tools listed below would be used for testing power supply voltage output? Torx screwdriver Toner and probe kit Loopback plug Multimeter

Multimeter

The characteristic features of the IEEE 802.11n wireless standard amendment include: (Select all that apply) Multiple Input / Multiple Output (MIMO) Maximum data signaling rate of 54 Mbps 2.4 GHz frequency band Carrier Sense Multiple Access / Collision Detection (CSMA/CD) network access method 5.0 GHz frequency band Multi-User Multiple Input / Multiple Output (MU-MIMO) Maximum data signaling rate of 600 Mbps Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method

Multiple Input / Multiple Output (MIMO) 2.4 GHz frequency band 5.0 GHz frequency band Maximum data signaling rate of 600 Mbps Carrier Sense Multiple Access / Collision Avoidance (CSMA/CA) network access method

A solution that alleviates the problem of depleting IPv4 address space by allowing multiple hosts on the same private LAN to share a single public IP address is known as: DNS APIPA NAT DHCP

NAT

Which of the following solutions is used to hide the internal IP addresses by modifying IP address information in IP packet headers while in transit across a traffic routing device? NAC ACL NAT DMZ

NAT

Which of the answers listed below refers to a technology that enables carrying out mobile payment transactions with the use of the physical phone device? WAP NFC IR RFC

NFC

A type of limited-range computer network used for data transmission among various types of personal devices centered around a single workstation is called: PAN LAN SAN MAN

PAN

A computer networking technology that enables sending data over wiring used for transmission of electrical power is called: PLC ECP PoE EPP

PLC

A simple device consisting of multiple computer ports arranged in rows used for the purpose of cable management is known as: F-connector Media converter Main Distribution Frame (MDF) Patch panel

Patch panel

Which of the following acronyms refers to a solution that allows for carrying both data and electrical power over a single twisted-pair Ethernet cable? EPP PoE ECP PLC

PoE

A server with private IP address has been set up to handle requests from an outside (public) network. Which of the solutions listed below would enable its function? Port triggering Port bonding Port forwarding Port mirroring

Port forwarding

A router configuration feature that allows for opening an inbound port temporarily based on the outbound requests made by hosts placed inside a private network is called: Port triggering Port bonding Port forwarding Port mirroring

Port triggering

Which of the networking tools listed below is used for attaching wires to a patch panel? Cable crimper Punchdown tool Cable stripper Needle-nose pliers

Punchdown tool

Which of the following solutions allows network administrators to prioritize certain types of network traffic? NAC UAC NAT QoS

QoS

A type of network device that amplifies received signal so it can be transmitted over greater distance without loss in quality is called: Patch panel Multiplexer Repeater Passive hub

Repeater

A device designed to filter and transfer IP packets between dissimilar types of computer networks is called: Hub Switch Load balancer Router

Router

Which of the protocols listed below is used for automated discovery of networked services on Local Area Networks (LANs)? SMB AFP CIFS SLP

SLP

A protocol used in network management systems for monitoring network-attached devices is known as: SMTP ICMP SNMP IPsec

SNMP

A type of memory module form factor most commonly used for extending the capacity of primary storage in laptop computers is called: SO-DIMM SRAM MicroDIMM RDIMM

SO-DIMM

Which of the following answers refers to a cryptographic network protocol for secure data communication, remote command-line login, remote command execution, and other secure network services between two networked computers? Telnet SSH Bcrypt TFTP

SSH

Which of the protocols listed below was designed as a secure replacement for Telnet? CHAP FTP SNMP SSH

SSH

What is the name of an HDD type that combines high performance and capacity at a relatively low device cost? SSD Flash drive Magnetic drive USB drive SSHD

SSHD

Internal hard drive types used in laptop computers include: (Select all that apply) Flash drives SSHDs USB drives Magnetic disks SSDs

SSHDs Magnetic disks SSDs

Which of the answers listed below refers to launching Windows only with default settings and basic device drivers? Standby mode System restore Safe mode Guest account

Safe mode

What are the characteristic features of satellite Internet connections? (Select all that apply) Lack of signal interference Signal latency High connection speed Interference (weather dependent) Relatively low connection speed High connection speed

Signal latency Interference (weather dependent) Relatively low connection speed

Portable devices combining the capabilities of mobile phones and handheld PCs are commonly referred to as: Phablets Smartphones PDAs Thick clients

Smartphones

Which of the following answers refers to a data link layer (Layer 2) device designed to forward data packets between Local Area Network (LAN) segments? Router Hub Switch Firewall

Switch

A security protocol introduced in order to strengthen existing WEP implementations without requiring the replacement of legacy hardware is known as: PEAP TKIP CCMP WPA2

TKIP

Which of the devices listed below offers the least amount of options when it comes to hardware upgrades that can be performed by the device user? Laptop Workstation Desktop Tablet

Tablet

Which of the following terms refers to a mobile device's capability to share its Internet connection with other devices? Pairing Clustering Tethering Bonding

Tethering

The CMOS setup utility can be accessed by pressing: (Select best answer) Reset button on the front panel of a computer case The key set by the motherboard manufacturer for accessing CMOS setup utility during boot Del key during boot F1 key while logged in Windows

The key set by the motherboard manufacturer for accessing CMOS setup utility during boot

What is the name of a networking tool used for locating a cable in a cabling bundle or tracing individual wires in a cable? Spectrum analyzer Toner and probe kit Time Domain Reflectometer (TDR) Multimeter

Toner and probe kit

A common example of channel overlapping in wireless networking would be the 2.4 GHz band used in 802.11, 802.11b, 802.11g, and 802.11n 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 False

True

Server Message Block (SMB) and Common Internet File System (CIFS) are examples of network protocols used for providing shared access to files, directories, and devices. True False

True

The Internet is an example of a large public WAN. 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 term "Phablet" refers to a type of mobile device designed to combine the format of smartphones and tablet computers. True False

True

Unexpected system shutdowns and reboots can be caused by overheating of the PC's internal components. True False

True

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 answers listed below refers to zero-configuration networking? WAP UPnP TKIP PnP

UPnP

What is the most common type of laptop port used for the purpose of connecting peripheral devices? eSATA USB FireWire PS/2

USB

Compared to port replicators, docking stations: Cannot be used with portable computers Usually offer additional ports and capabilities Offer exactly the same features Usually offer less ports and capabilities

Usually offer additional ports and capabilities

A computer network connecting multiple smaller networks over very large geographical areas is known as: PAN LAN MAN WAN

WAN

Which of the wireless security standards listed below has been deprecated in favor of newer standards due to known vulnerabilities resulting from implementation flaws? AES WPA2 PEAP WEP CCMP

WEP

A type of network consisting of computers and peripheral devices that use high-frequency radio waves to communicate with each other is commonly referred to as: MAN WLAN LAN VLAN

WLAN

AES-based encryption mode is a characteristic feature of: WEP WPA2 PAP WPA

WPA2

Which of the following wireless encryption schemes offers the highest level of protection? WEP WPA2 WAP WPA

WPA2

Which of the following technologies simplifies configuration of new wireless networks by providing non-technical users with a capability to easily configure network security settings and add new devices to an existing network? WPA WPS UPnP WAP

WPS

Examples of technologies that are not recommended and should be disabled due to their known vulnerabilities or other security risks they might pose include: (Select 3 answers) WPS WAP UPnP WEP TKIP

WPS UPnP WEP

Which of the following networking tools would be of help in determining the optimal placement of a WAP? Pentest Vulnerability scanner Proximity reader Wi-Fi analyzer

Wi-Fi analyzer

ExpressCard /34 and ExpressCard /54 are two form factors specified by the ExpressCard standard. Numbers after slash in these two form factors refer to the card's: Width Length Thickness Speed

Width

What is the name of a tool used for removing electrical insulation cover from electric wires? Cable crimper Snips Wire stripper Punchdown tool

Wire stripper

What type of device would be the most convenient for interconnecting two or more physically separated network segments? Wireless bridge Layer 3 switch Wireless Access Point (WAP) Cable modem

Wireless bridge


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