WGU D315 Network and Security Foundation Exam Latest Version 2026/2027|Questions and Correct Answers (Verified, Exam of ICT

WGU D315 NETWORK AND SECURITY FOUNDATION EXAM
LATEST VERSION 2026/2027|QUESTIONS AND CORRECT 03/06/2026
ANSWERS



WGU D315 Network and Security Foundation Exam Latest Version
2026/2027|Questions and Correct Answers (Verified, Exam of ICT

Which OSI layer is related to the IP protocol

Network 3




Which OSI layer is organizing the bits over the physical layer between devices in the same collision
domain?

Data Link 2 - They are in the same Frame




Which OSI layer is a Switch at?

Data Link 2




Which OSI layer is a WAP (Wireless Access Point) at?

Data Link 2




Which OSI layer is a router at

Network (3)




TCP protocol is on what OSI layer

Transport (4)
3/6/2026




1

, WGU D315 NETWORK AND SECURITY FOUNDATION EXAM
LATEST VERSION 2026/2027|QUESTIONS AND CORRECT 03/06/2026
ANSWERS




OSI layer 1

Physical Layer (Cable, Hubs, Repeaters)




OSI layer 2

Data Link Layer (Frame, Switch, PPP, Ethernet)




OSI layer 3

Network Layer (Moves packets, IP)




OSI layer 4

Transport Layer (TCP, end to end connection)




OSI Layer 5

Session Layer (API, Sockets, Synch and send to port)




OSI layer 6

Presentation layer (Syntax and encryption layer, SSL, SSH, JPEG)




OSI layer 7
3/6/2026




Application layer (end user layer, http, applications)


2