©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
WGU D481 – Security Foundations Exam
Questions and Answers 100% Pass
1. Compare and contrast the TCP/IP model with the OSI model. How are they different? How
are they similar? - answer✔· OSI is more complex
o Physical, data, network, transport, session, presentation, application
· TCP/IP is more used today
o Application, transport, internet, network access layers
What are the major differences between circuit-switched, packet-switched, and IP-based
communications? - answer✔· Circuit = telephony/analog
· Packet = digital communication
· IP = most popular today
How does IP-based communication work in today's networks? - answer✔Delivers in real-time
across complex networks to a destination on the network layer
1|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
What is the difference between routing and switching in network technology? - answer✔·
Routing is the process of directing a packet from one network to another until it reaches its
destination
· Switching subdivides a network into multiple smaller networks
What is the IEEE 802.3 standard, and what are its specifications? - answer✔· Also known as the
ethernet standard
· Defines the physical and media access control (MAC) of the data link layer for wired Ethernet
networks
What is the difference between IPv4 and IPv6? - answer✔· The IPv4 is a 32-bit address
· IPv6 is a 128-bit hexadecimal address
· IPv6 has more number of addresses available
What is the difference between the Internet and the World Wide Web? - answer✔· In simpler
terms, the Internet is the vast network that connects devices, while the World Wide Web is a
part of the Internet that allows you to access and browse web pages.
2|Page
ALL RIGHTS RESERVED.
WGU D481 – Security Foundations Exam
Questions and Answers 100% Pass
1. Compare and contrast the TCP/IP model with the OSI model. How are they different? How
are they similar? - answer✔· OSI is more complex
o Physical, data, network, transport, session, presentation, application
· TCP/IP is more used today
o Application, transport, internet, network access layers
What are the major differences between circuit-switched, packet-switched, and IP-based
communications? - answer✔· Circuit = telephony/analog
· Packet = digital communication
· IP = most popular today
How does IP-based communication work in today's networks? - answer✔Delivers in real-time
across complex networks to a destination on the network layer
1|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
What is the difference between routing and switching in network technology? - answer✔·
Routing is the process of directing a packet from one network to another until it reaches its
destination
· Switching subdivides a network into multiple smaller networks
What is the IEEE 802.3 standard, and what are its specifications? - answer✔· Also known as the
ethernet standard
· Defines the physical and media access control (MAC) of the data link layer for wired Ethernet
networks
What is the difference between IPv4 and IPv6? - answer✔· The IPv4 is a 32-bit address
· IPv6 is a 128-bit hexadecimal address
· IPv6 has more number of addresses available
What is the difference between the Internet and the World Wide Web? - answer✔· In simpler
terms, the Internet is the vast network that connects devices, while the World Wide Web is a
part of the Internet that allows you to access and browse web pages.
2|Page
