CompTIA A+ 220-901 Practice Test 5
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