WGU D315 Correct Exam Questions with
Solved Answers.
802.11a standard operates at what GHz? - CORRECT ANSWER✅✅✅5 GHz
A 4 byte CRC value used for error detection - CORRECT ANSWER✅✅✅The frame check sequence of
the Ethernet packet frame
A binary 8 bit sequence of 10101011 that indicates the start of the frame - CORRECT
ANSWER✅✅✅The start frame delimiter of an Ethernet packet
a cable that has cross-connected TX/RX data lines - CORRECT ANSWER✅✅✅crossover
A carrier sense multiple access with collision detection protocol for local area networks - CORRECT
ANSWER✅✅✅Ethernet
A deterministic network - CORRECT ANSWER✅✅✅Token Ring Topology
a device that is used to make a broadband connection from your home network to the ISP using the
telephone line - CORRECT ANSWER✅✅✅DSL modem
a device that is used to make a broadband network connection from your home network to the ISP
using your cable connection. - CORRECT ANSWER✅✅✅cable modem
A device that manages the passing of the token instead of relying on individual computers to pass it. -
CORRECT ANSWER✅✅✅Token ring hub
a device that relays the wireless signals from an access point or wireless router into areas with a weak
signal or no signal at all - CORRECT ANSWER✅✅✅range extender
,A device used to interconnect wireless devices and provide a connection to the wired LAN. - CORRECT
ANSWER✅✅✅Access point
A device used to interconnect wireless networking devices and to give access to wired devices, and
establish the broadband internet connection to the ISP - CORRECT ANSWER✅✅✅wireless router
A device used to provide high speed data access via your cable connection or via a telephone company's
DSL connection - CORRECT ANSWER✅✅✅broadband modem/gateway
A field used to bring the total number of bytes up to the minimum of 46 if the data field is less than 46
bytes - CORRECT ANSWER✅✅✅The pad of the Ethernet packet frame
A group of wireless standards developed under IEEE 802.11 - CORRECT ANSWER✅✅✅802.11x
a limited geopgraphic area that provides wireless access for the public - CORRECT ANSWER✅✅✅hot
spot
A mac address does not provide what? - CORRECT ANSWER✅✅✅the network location, what LAN, or
in which building, city, or country the network resides
A MAC address is displayed in which format? - CORRECT ANSWER✅✅✅12 hexadecimal digits
A networking device used to connect two or more networks using a single connection to your ISP such
as your LAN and the Internet - CORRECT ANSWER✅✅✅A router
A reply from" response from a ping indicates whate?" - CORRECT ANSWER✅✅✅A connection to the
server is up
A request timed out" response from a ping indicates what?" - CORRECT ANSWER✅✅✅the network
connection is down
, A set of rules established for users to exchange information - CORRECT ANSWER✅✅✅Protocol
A switch or hub facilitates the transfer of data between networking devices in this topology - CORRECT
ANSWER✅✅✅star
a technique that translates the private IP address of a computer to a public address for routing over the
Internet - CORRECT ANSWER✅✅✅Network Address Translation (NAT)
a technique used by a router, where NAT translates the home's network's private IP addresses to the
single public IP address assigned by the ISP - CORRECT ANSWER✅✅✅Overloading
A transmission from a hub in a star network to all the devices in the network connected to the hub -
CORRECT ANSWER✅✅✅broadcast
a type of firewall that inspects incoming data packets to make sure they correspond to an outgoing
request - CORRECT ANSWER✅✅✅state packet inspection (SPI)
A type of network adapter used in desktop computers - CORRECT ANSWER✅✅✅network interface
card or NIC
A unique value for each NIC assigned by the vendor - CORRECT ANSWER✅✅✅The last six digits of a
MAC address
a virtual private network that establishes a secure network connection - CORRECT
ANSWER✅✅✅VPN
Acts as the network controller - CORRECT ANSWER✅✅✅network layer of the OSI model
All devices are connected to each other - CORRECT ANSWER✅✅✅mesh topology
Solved Answers.
802.11a standard operates at what GHz? - CORRECT ANSWER✅✅✅5 GHz
A 4 byte CRC value used for error detection - CORRECT ANSWER✅✅✅The frame check sequence of
the Ethernet packet frame
A binary 8 bit sequence of 10101011 that indicates the start of the frame - CORRECT
ANSWER✅✅✅The start frame delimiter of an Ethernet packet
a cable that has cross-connected TX/RX data lines - CORRECT ANSWER✅✅✅crossover
A carrier sense multiple access with collision detection protocol for local area networks - CORRECT
ANSWER✅✅✅Ethernet
A deterministic network - CORRECT ANSWER✅✅✅Token Ring Topology
a device that is used to make a broadband connection from your home network to the ISP using the
telephone line - CORRECT ANSWER✅✅✅DSL modem
a device that is used to make a broadband network connection from your home network to the ISP
using your cable connection. - CORRECT ANSWER✅✅✅cable modem
A device that manages the passing of the token instead of relying on individual computers to pass it. -
CORRECT ANSWER✅✅✅Token ring hub
a device that relays the wireless signals from an access point or wireless router into areas with a weak
signal or no signal at all - CORRECT ANSWER✅✅✅range extender
,A device used to interconnect wireless devices and provide a connection to the wired LAN. - CORRECT
ANSWER✅✅✅Access point
A device used to interconnect wireless networking devices and to give access to wired devices, and
establish the broadband internet connection to the ISP - CORRECT ANSWER✅✅✅wireless router
A device used to provide high speed data access via your cable connection or via a telephone company's
DSL connection - CORRECT ANSWER✅✅✅broadband modem/gateway
A field used to bring the total number of bytes up to the minimum of 46 if the data field is less than 46
bytes - CORRECT ANSWER✅✅✅The pad of the Ethernet packet frame
A group of wireless standards developed under IEEE 802.11 - CORRECT ANSWER✅✅✅802.11x
a limited geopgraphic area that provides wireless access for the public - CORRECT ANSWER✅✅✅hot
spot
A mac address does not provide what? - CORRECT ANSWER✅✅✅the network location, what LAN, or
in which building, city, or country the network resides
A MAC address is displayed in which format? - CORRECT ANSWER✅✅✅12 hexadecimal digits
A networking device used to connect two or more networks using a single connection to your ISP such
as your LAN and the Internet - CORRECT ANSWER✅✅✅A router
A reply from" response from a ping indicates whate?" - CORRECT ANSWER✅✅✅A connection to the
server is up
A request timed out" response from a ping indicates what?" - CORRECT ANSWER✅✅✅the network
connection is down
, A set of rules established for users to exchange information - CORRECT ANSWER✅✅✅Protocol
A switch or hub facilitates the transfer of data between networking devices in this topology - CORRECT
ANSWER✅✅✅star
a technique that translates the private IP address of a computer to a public address for routing over the
Internet - CORRECT ANSWER✅✅✅Network Address Translation (NAT)
a technique used by a router, where NAT translates the home's network's private IP addresses to the
single public IP address assigned by the ISP - CORRECT ANSWER✅✅✅Overloading
A transmission from a hub in a star network to all the devices in the network connected to the hub -
CORRECT ANSWER✅✅✅broadcast
a type of firewall that inspects incoming data packets to make sure they correspond to an outgoing
request - CORRECT ANSWER✅✅✅state packet inspection (SPI)
A type of network adapter used in desktop computers - CORRECT ANSWER✅✅✅network interface
card or NIC
A unique value for each NIC assigned by the vendor - CORRECT ANSWER✅✅✅The last six digits of a
MAC address
a virtual private network that establishes a secure network connection - CORRECT
ANSWER✅✅✅VPN
Acts as the network controller - CORRECT ANSWER✅✅✅network layer of the OSI model
All devices are connected to each other - CORRECT ANSWER✅✅✅mesh topology
