WGU D322 Section – Unit 4 – Computer Networks Study | Actual verified Study complete
solutions | A+ Graded | 2026 Updates | 100% correct
Section/Unit 4: Study Companion
Step 1: Complete the Study Companion using only the course materials. Avoid using outside resources like
ChatGPT, YouTube, or other online tools. Instead, summarize the information in your own words as you write or type it directly
into the document, ensuring you fully engage with the material and internalize the concepts.
Step 2: Carefully review the Study Companion and actively highlight key terms and concepts that help you clearly identify and
understand each topic. Focus on words or phrases that summarize the main ideas, as these will serve as useful cues for quick
reference and reinforcement during your study sessions.
Step 3: Create a study plan by organizing the highlighted topics into manageable sections. Prioritize areas where you need
the most improvement and allocate specific time blocks to review each section. Competency 4011.3.5
Lesson 4:1/Module 12 – Introduction to Computer Networks *What are
Networks?
*Network Types
PAN LAN WAN
Full Name Personal area network Local area network Wide area network
Description Short range comms Collection of computers in Link systems greater distance
single building
Distance Short Medium global
, Examples of where it is used Wireless headphones/mouse Computers in manufacturing Machines opposite side
building world
*What is TCP/IP Protocol? Comms over internet that’s governed by an open collection of standards
*Network Topologies
Bus Star Ring Mesh
Description Network topology Network diagram Network diagram Network diagram
How does it work? Machines connected Single machine serving Connected directly as Every device
to common comm as central a peer connected to every
line point. All others other device
connected
Advantages and/or Most common. Est Central point Connected between Enables redundancy.
Disadvantages under ethernet all Intro more network
traffic
*What are protocols? Govern communication
Why do networks have protocols? To transmit messages at certain and provide assistance to other machines
Why do vendors use protocols? To build products for network apps that are compatible with products from other vendors.
Methods of Process Communication
*Client/Server Model *Peer-to-Peer Model
solutions | A+ Graded | 2026 Updates | 100% correct
Section/Unit 4: Study Companion
Step 1: Complete the Study Companion using only the course materials. Avoid using outside resources like
ChatGPT, YouTube, or other online tools. Instead, summarize the information in your own words as you write or type it directly
into the document, ensuring you fully engage with the material and internalize the concepts.
Step 2: Carefully review the Study Companion and actively highlight key terms and concepts that help you clearly identify and
understand each topic. Focus on words or phrases that summarize the main ideas, as these will serve as useful cues for quick
reference and reinforcement during your study sessions.
Step 3: Create a study plan by organizing the highlighted topics into manageable sections. Prioritize areas where you need
the most improvement and allocate specific time blocks to review each section. Competency 4011.3.5
Lesson 4:1/Module 12 – Introduction to Computer Networks *What are
Networks?
*Network Types
PAN LAN WAN
Full Name Personal area network Local area network Wide area network
Description Short range comms Collection of computers in Link systems greater distance
single building
Distance Short Medium global
, Examples of where it is used Wireless headphones/mouse Computers in manufacturing Machines opposite side
building world
*What is TCP/IP Protocol? Comms over internet that’s governed by an open collection of standards
*Network Topologies
Bus Star Ring Mesh
Description Network topology Network diagram Network diagram Network diagram
How does it work? Machines connected Single machine serving Connected directly as Every device
to common comm as central a peer connected to every
line point. All others other device
connected
Advantages and/or Most common. Est Central point Connected between Enables redundancy.
Disadvantages under ethernet all Intro more network
traffic
*What are protocols? Govern communication
Why do networks have protocols? To transmit messages at certain and provide assistance to other machines
Why do vendors use protocols? To build products for network apps that are compatible with products from other vendors.
Methods of Process Communication
*Client/Server Model *Peer-to-Peer Model
