FOUNDATIONS-C172 EXAM QUESTIONS FOUNDATIONS-C172 EXAM QUESTIONS
AND ANSWERS RATED A+ GUARANTEED AND ANSWERS RATED A+ GUARANTEED
SUCCESS SUCCESS
Application Layer(7th layer) - ans ✅Interacts with application programs that Data Link Layer (2nd layer) - ans ✅Layer of the OSI reference model that
incorporate a communication component such as your internet browser and handles error recovery.flow control (synchronization), and sequencing
email (provides user interface) controls which terminals are sending and receiving. Media access is
controlled (MAC) by the Data Link Layer
Bus Topology - ans ✅The computers share the media (coaxial cable) for
data transmission Deterministic - ans ✅Access to the network is provided at fixed time
intervals
CAT6 (category 6) - ans ✅Twisted-pair cables capable of carrying up to
1000Mbps (1 gigabit) of data up to a length of 100 meters Ethernet, Physical, Hardware, or Adapter Address - ans ✅Other names for
MAC address
Crossover - ans ✅Transmit and receive signal pairs are crossed to properly
align the transmit signal on one device with the receive signal on the other Firewall Protection - ans ✅Used to prevent unauthorized access to your
device network
CSMA/CD - ans ✅Carrier sense multiple access with collision detection is Host Address/Number - ans ✅The portion of the IP address that defines
the Ethernet LAN media-access method (used to prevent collisions in wired the location of the networking device connected to the network also called
Ethernet networks) Used in wireless networks for to reduce collisions. the hose address
, WGU NETWORK AND SECURITY- WGU NETWORK AND SECURITY-
FOUNDATIONS-C172 EXAM QUESTIONS FOUNDATIONS-C172 EXAM QUESTIONS
AND ANSWERS RATED A+ GUARANTEED AND ANSWERS RATED A+ GUARANTEED
SUCCESS SUCCESS
Hotspots - ans ✅A limited geographic area that provides wireless access for Intranet - ans ✅An internal network the provides file and resource sharing
the public but it's not accessed from the internet
Hub - ans ✅Broadcasts the data it receives to all devices connected to its IP Address - ans ✅Unique 32-bit address the identifies on which network
ports... it is possible for network devices to pick up a data intended for a the computer is located as well as differentiate the computer from all other
different device... considered a multiport repeater. Is on the Physical Layer devices on the same network; they are logical addresses and can be found
(layer 1) using the ipconfig/all command
IANA - ans ✅The Internet Assigned Numbers Authority is the agency that IP Internetwork - ans ✅A network that uses IP addressing for identifying
assigns IP addresses to computer networks devices connected to the network
ICMP - ans ✅Internet Control Message Protocol (preform diagnostics, ipconfig/all - ans ✅Enables the MAC address information to be displayed
report errors, control the flow of data in the network) from the command prompt
IEEE - ans ✅Institute of Electrical and Electronics Engineers, on of the major ISP - ans ✅Internet service provider
standard-setting bodies for technological development
Link Integrity Test - ans ✅Protocol used to verify that a communication link
between two Ethernet devices has been established.
, WGU NETWORK AND SECURITY- WGU NETWORK AND SECURITY-
FOUNDATIONS-C172 EXAM QUESTIONS FOUNDATIONS-C172 EXAM QUESTIONS
AND ANSWERS RATED A+ GUARANTEED AND ANSWERS RATED A+ GUARANTEED
SUCCESS SUCCESS
Mesh Topology - ans ✅All networking devices are directly connected to
Link Light - ans ✅Indicates that the transmit and receive pairs are properly each other (fault tolerant; stations can still communicate if some segments
go down)
aligned
Multiport Repeater - ans ✅Another name for a hub
Link Pulses - ans ✅Sent by each of the connected devices via the twisted-
pair cables when data is not being transmitted to indicate that the link is still
up
Network Address Translation (NAT) - ans ✅Translates the private IP address
to a public address for routing over the internet
Local Area Network (LAN) - ans ✅Network of users that share computer
resources in a limited area
Network Interface Card(NIC) - ans ✅The electronic hardware used to
interface the computer to the network
MAC Address - ans ✅A unique 6-byte address assigned by the vendor of
the network interface card; A MAC address has two portions. The OUI is
Network Layer (3rd layer) - ans ✅Defines how data packets are routed in a
comprised of the first 6 digits and the last half is assigned by the
network. Accepts outgoing messages and combines messages or segments
manufacturer.
into packets, adding a header that includes routing information (provides a
logical path for data)
Mbps - ans ✅Megabits per second
, WGU NETWORK AND SECURITY- WGU NETWORK AND SECURITY-
FOUNDATIONS-C172 EXAM QUESTIONS FOUNDATIONS-C172 EXAM QUESTIONS
AND ANSWERS RATED A+ GUARANTEED AND ANSWERS RATED A+ GUARANTEED
SUCCESS SUCCESS
Network Number - ans ✅The portion of the IP address that defines which Physical Layer (1st layer) - ans ✅Layer of the OSI reference model that
network the IP packet is originating from or being delivered to provides the electrical and mechanical connection to the network Describes
the media that interconnects networking devices
Organizationally Unique Identifier (OUI) - ans ✅The first 3 bytes of the MAC
address the identifies the manufacturer of the network hardware (ex. Ping - ans ✅Command used to test that a device on the network is
Network interface card has MAC address of 00-00-86-15-7A, the OUI is 00- reachable (If you can't connect to a networked computer, you can use the
00-86) ping command to check connectivity) Used in windows in the command
window
OSI - ans ✅Open system interconnect
Port address Translation (PAT) - ans ✅A port number is tracked with the
client computer's private address when translating to a public address
OSI Model - ans ✅The seven layers describing network funcations
Ports - ans ✅The physical input/output interfaces to the networking
overloading - ans ✅Where NAT translates the home network's private IP
hardware
addresses to a single public IP address
Presentation Layer (6th layer) - ans ✅Layer of the OSI reference model that
Packet - ans ✅Provides grouping of the information for transmission
accepts and structures the messages for the application