WGU C172 Network and Security - Foundations; PA and
OA set |230 questions with verified answers
802.11a standard operates at what GHz? Ans✓✓✓-5 GHz
A 4 byte CRC value used for error detection Ans✓✓✓-The frame check sequence
of the Ethernet packet frame
A binary 8 bit sequence of 10101011 that indicates the start of the frame
Ans✓✓✓-The start frame delimiter of an Ethernet packet
a cable that has cross-connected TX/RX data lines Ans✓✓✓-crossover
A carrier sense multiple access with collision detection protocol for local area
networks Ans✓✓✓-Ethernet
A deterministic network Ans✓✓✓-Token Ring Topology
a device that is used to make a broadband connection from your home network
to the ISP using the telephone line Ans✓✓✓-DSL modem
a device that is used to make a broadband network connection from your home
network to the ISP using your cable connection. Ans✓✓✓-cable modem
A device that manages the passing of the token instead of relying on individual
computers to pass it. Ans✓✓✓-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 Ans✓✓✓-range extender
A device used to interconnect wireless devices and provide a connection to the
wired LAN. Ans✓✓✓-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
Ans✓✓✓-wireless router
A device used to provide high speed data access via your cable connection or via a
telephone company's DSL connection Ans✓✓✓-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 Ans✓✓✓-The pad of the Ethernet packet frame
A group of wireless standards developed under IEEE 802.11 Ans✓✓✓-802.11x
a limited geopgraphic area that provides wireless access for the public Ans✓✓✓-
hot spot
A mac address does not provide what? Ans✓✓✓-the network location, what
LAN, or in which building, city, or country the network resides
A MAC address is displayed in which format? Ans✓✓✓-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 Ans✓✓✓-A router
A reply from" response from a ping indicates whate?" Ans✓✓✓-A connection to
the server is up
A request timed out" response from a ping indicates what?" Ans✓✓✓-the
network connection is down
A set of rules established for users to exchange information Ans✓✓✓-Protocol
A switch or hub facilitates the transfer of data between networking devices in this
topology Ans✓✓✓-star
a technique that translates the private IP address of a computer to a public
address for routing over the Internet Ans✓✓✓-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 Ans✓✓✓-
Overloading
A transmission from a hub in a star network to all the devices in the network
connected to the hub Ans✓✓✓-broadcast
a type of firewall that inspects incoming data packets to make sure they
correspond to an outgoing request Ans✓✓✓-state packet inspection (SPI)
OA set |230 questions with verified answers
802.11a standard operates at what GHz? Ans✓✓✓-5 GHz
A 4 byte CRC value used for error detection Ans✓✓✓-The frame check sequence
of the Ethernet packet frame
A binary 8 bit sequence of 10101011 that indicates the start of the frame
Ans✓✓✓-The start frame delimiter of an Ethernet packet
a cable that has cross-connected TX/RX data lines Ans✓✓✓-crossover
A carrier sense multiple access with collision detection protocol for local area
networks Ans✓✓✓-Ethernet
A deterministic network Ans✓✓✓-Token Ring Topology
a device that is used to make a broadband connection from your home network
to the ISP using the telephone line Ans✓✓✓-DSL modem
a device that is used to make a broadband network connection from your home
network to the ISP using your cable connection. Ans✓✓✓-cable modem
A device that manages the passing of the token instead of relying on individual
computers to pass it. Ans✓✓✓-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 Ans✓✓✓-range extender
A device used to interconnect wireless devices and provide a connection to the
wired LAN. Ans✓✓✓-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
Ans✓✓✓-wireless router
A device used to provide high speed data access via your cable connection or via a
telephone company's DSL connection Ans✓✓✓-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 Ans✓✓✓-The pad of the Ethernet packet frame
A group of wireless standards developed under IEEE 802.11 Ans✓✓✓-802.11x
a limited geopgraphic area that provides wireless access for the public Ans✓✓✓-
hot spot
A mac address does not provide what? Ans✓✓✓-the network location, what
LAN, or in which building, city, or country the network resides
A MAC address is displayed in which format? Ans✓✓✓-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 Ans✓✓✓-A router
A reply from" response from a ping indicates whate?" Ans✓✓✓-A connection to
the server is up
A request timed out" response from a ping indicates what?" Ans✓✓✓-the
network connection is down
A set of rules established for users to exchange information Ans✓✓✓-Protocol
A switch or hub facilitates the transfer of data between networking devices in this
topology Ans✓✓✓-star
a technique that translates the private IP address of a computer to a public
address for routing over the Internet Ans✓✓✓-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 Ans✓✓✓-
Overloading
A transmission from a hub in a star network to all the devices in the network
connected to the hub Ans✓✓✓-broadcast
a type of firewall that inspects incoming data packets to make sure they
correspond to an outgoing request Ans✓✓✓-state packet inspection (SPI)
