WGU D315 Network and Security Foundation 2024/2025 Objective Assessment Verified Questions and Answers 100% Graded A+

WGU D315 Network and OSI layer 1 - --ANSWER---Physical Layer (Cable,
Hubs, Repeaters)
Security Foundation
2024/2025 Objective
OSI layer 2 - --ANSWER---Data Link Layer
Assessment Verified (Frame, Switch, PPP, Ethernet)
Questions and Answers
100% Graded A+
OSI layer 3 - --ANSWER---Network Layer (Moves
packets, IP)



OSI layer 4 - --ANSWER---Transport Layer (TCP,
end to end connection)



OSI Layer 5 - --ANSWER---Session Layer (API,
Sockets, Synch and send to port)
Which OSI layer is related to the IP protocol - --
ANSWER---Network 3
OSI layer 6 - --ANSWER---Presentation layer
(Syntax and encryption layer, SSL, SSH, JPEG)
Which OSI layer is organizing the bits over the
physical layer between devices in the same
collision domain? - --ANSWER---Data Link 2 - OSI layer 7 - --ANSWER---Application layer (end
They are in the same Frame user layer, http, applications)



Which OSI layer is a Switch at? - --ANSWER--- Network Typology point to point - --ANSWER---
Data Link 2 Two devices connect directly



Which OSI layer is a WAP (Wireless Access Network Typology bus - --ANSWER---All devices
Point) at? - --ANSWER---Data Link 2 connect to a central main line



Which OSI layer is a router at - --ANSWER--- Network Typology Ring - --ANSWER---All devices
Network (3) have two connections and form an endless ring



TCP protocol is on what OSI layer - --ANSWER--- Network Typology Star - --ANSWER---All devices
Transport (4) connect to a central point

, Network Typology Tree - --ANSWER---Multiple 100m long Cat 5 cable supports speeds up to - --
devices connect together (on a switch) and then ANSWER---100 Mb/s
the switches are connected with each other

100m long Cat 5e cable supports speeds up to -
Network Typology Mesh - --ANSWER---All --ANSWER---1000 Mb/s or 1 Gb/s
devices connect directly to each other

100m long Cat 6 cable supports speeds up to - --
Network Typology Hybrid - --ANSWER---Multiple ANSWER---10 Gb/s
Network Typology within the network

100m long Cat 6a cable supports speeds up to -
Cloud - where do I manage the OS Iaas or Paas? --ANSWER---10 Gb/s
- --ANSWER---Iaas

Does a firewall provide two way protection? - --
What do I manage on Paas (2) - --ANSWER--- ANSWER---Yes, it protects ingress and egress
Application and Data data



Name the 3 CIA triades - --ANSWER---Integrity, Firewall that only checks the address label - --
Availability and Confidentiality ANSWER---Packet Filter



What is the CIA Triade Integrity? - --ANSWER--- On what OSI level is a Packet Filter operating - --
Detects alteration in storage, transit and process ANSWER---Transport (checks TCP/UDP prot
numbers) and Network (checks source and
destination IP)
What is the CIA Triade Availability? - --ANSWER-
--Ensure Authorized Access, Performance and
Backup What is a circuit level gateway - --ANSWER---A
firewall that conceals the true identity of the
Keeping unauthorized users out is not in this
protected network (hides IP) on the transport
triade.
(4) layer


What is the CIA Triade Confidentiality? - --
What does state in stateful mean? - --ANSWER--
ANSWER---Protect from unauthorized access
-It refers to the connection state between two
and use, protecting data access in storage,
computers
transit and process