CompTIA A+ Certification Practice Test 16 (Exam 220-901)

MAN

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

WAN

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

DMZ

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

LAN

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

Port triggering

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

Firmware

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

NAT

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

UPnP

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

PAN

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

False

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 or False

WPS UPnP WEP

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

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 or False

True

The Internet is an example of a large public WAN. True or False

Broadband cable

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

Signal latency Interference (weather dependent) Relatively low connection speed

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

ADSL

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

Dial-up

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

UPnP

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

Dial-up

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

Fiber

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

DOCSIS

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

ISDN

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+

QoS

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

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

WPS

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