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WGU C172 FINAL EXAM QUESTIONS AND VERIFIED ANSWERS 2024/2025
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WGU C172 FINAL EXAM QUESTIONS AND VERIFIED ANSWERS 2024/2025 Application Layer (7th layer) Interacts with application programs that incorporate a communication component such as your Internet browser and email (provides user interface) Bus Topology The computers share the media (coaxial...

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  • May 1, 2024
  • 56
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • wgu c172 final exam questions and verified answer

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WGU C172 FINAL EXAM QUESTIONS AND VERIFIED
ANSWERS 2024/2025

Application Layer (7th layer)
Interacts with application programs that incorporate a


communication component such as your Internet


browser and email (provides user interface)
Bus Topology
The computers share the media (coaxial cable) for data


transmission
CAT6 (category 6)
Twisted-pair cables capable of carrying up to


1000Mbps (1 gigabit) of data up to a length of 100


meters
Crossover
Transmit and receive signal pairs are crossed to


properly align the transmit signal on one device with


the receive signal on the other device
CSMA/CD
Carrier sense multiple access with collision detection is


the Ethernet LAN media-access method (used to

,prevent collisions in wired Ethernet networks) Used in


wireless networks for to reduce collisions.
Data Link Layer (2nd layer)
Layer of the OSI reference model that handles error


recovery, flow control (synchronization), and


sequencing (controls which terminals are sending and


receiving. Media access is controlled by the Data Link


Layer
Deterministic
Access to the network is provided at fixed time


intervals
Ethernet, Physical, Hardware, or Adapter Address
Other names for MAC address
Firewall Protection
Used to prevent unauthorized access to your network
Host Address
Same as host number
Host Number
The portion of the IP address that defines the location


of the networking device connected to the network;


also called the host address
Hotspots

,A limited geographic area that provides wireless access


for the public
Hub
Broadcasts the data it receives to all devices connected


to its ports... it is possible for network devices to pick


up a data intended for a different device... considered


a multiport repeater
IANA
The Internet Assigned Numbers Authority is the agency


that assigns IP addresses to computer networks
ICMP
Internet Control Message Protocol (perform


diagnostics, report errors, control the flow of data in


the network)
IEEE
Institute of Electrical and Electronics Engineers, one of


the major standard-setting bodies for technological


development
Intranet
An internal network that provides file and resource


sharing but ifs not accessed from the Internet

, IP Address
Unique 32-bit address that identifies on which


network the computer is located as well as


differentiates the computer from all other devices on


the same network; they are logical addresses and can


be found using the ipconfig/all command
IP Internetwork
A network that uses IP addressing for identifying


devices connected to the network
ipconfig/all
Enables the MAC address information to be displayed from the command prompt
ISP
Internet service provider
Link Integrity Test
Protocol used to verify that a communication link


between two Ethernet devices has been established
Link Light
Indicates that the transmit and receive pairs are


properly aligned
Link Pulses
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

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