WGU D315 - PRE-ASSESSMENT: NETWORK AND SECURITY –
FOUNDATIONS ACTUAL EXAM 250 QUESTIONS AND
CORRECT ANSWERS 2025 LATEST UPDATE//GRADED A+
Which OSI layer is related to the function of the IP protocol suite?
a. Transport
b. Network
c. Data Link
d. Session - answer-Network
Which OSI layer is responsible for organizing how bits are passed over the physical layer between
devices within the same collision domain?
a. Frame
b. Connection
c. Transport
d. Data Link - answer-Data Link
Which OSI layer would define the scope of a protocol that makes sure packets of data are received
correctly and resends them if they are not?
a. Validation
b. Transmission
c. Transport
d. Connection - answer-Transport
Which protocol suite performs functions of OSI layer 4?
a. IPX
b. MAC
c. CSMA/CD
d. TCP - answer-TCP
,Kyle is concerned that an attacker is probing his network and would like to use a decoy system to
attract the attacker and analyze his or her activity. What type of tool would best meet Kyle's needs?
Honeypot
Sinkhole
Jump box
Darknet - answer-Honeypot
A cybersecurity specialist is asked to identify the potential criminals known to attack the
organization. Which type of hackers would the cybersecurity specialist be least concerned with?
Gray hat hackers
Black hat hackers
Script kiddies
White hat hackers - answer-White hat hackers
Which attack floods a system with traffic in order to prevent legitimate activities or transactions from
occurring?
Brute force attack
Privilege escalation
Denial of service attack
Man-in-the-middle attack - answer-Denial of service attack
What type of attack targets an SQL database using the input field of a user?
Buffer overflow
SQL injection
XML injection
Cross-site scripting - answer-SQL Injection
Two or more computers connected together over a wide geographical area (e.g. county, country,
globe). What type of network is this?
LAN
,School Network
WAN
The Internet - answer-Wide Area Network (WAN)
In cybersecurity, what does CIA stand for? - answer-Confidentiality, Integrity, Availability
Which layer of the OSI model is responsible for the establishment, maintaining and terminating the
connection between two systems?
Session
Presentation
Data Link
Network - answer-Session
In the OSI model, what is the primary function of the Network layer?
Allows applications to establish, use, and end a connection
Routes data between networks
Transmits data frames
Ensures that packets are delivered with no loss or duplication - answer-Routes data between
networks
The restrictions most commonly implemented in packet-filtering firewalls are based on ____.
IP source and destination address
Direction (inbound or outbound)
TCP or UDP source and destination port requests
All of the above - answer-All of the above
Kim has taken her Network and Security Foundation exam and is waiting to get her results by email.
By accident, Kim's results are sent to Karen. What part of the CIA Triad is affected? - answer-
Confidentiality
, Barry is working with his organization's platforms team to select a virtualization approach for use in
their data center. To provide stronger security, he would like to select a hypervisor that runs directly
on bare metal hardware without an intervening host operating system. What type of hypervisor
should he choose?
Type 2
Type 1
Type 3
Type 4 - answer-Type 1
What encryption algorithm uses the same pre-shared key to encrypt and decrypt data? - answer-
Symmetric
In a hybrid cloud, data is traveling over the wide area network (WAN) connection between the
private and public clouds is known as?
Data at Rest
Data in Transit
Data in Use
Data in Motion - answer-Data in Transit
You have implemented a network where each device provides all other devices on the network with
access to shared files. What type of network do you have? - answer-Peer-to-Peer
Alice would like to send a message to Bob using an asymmetric cryptography algorithm. What key
should she use to encrypt the message? - answer-Bob's Public Key
Gary is participating in a cybersecurity exercise. His job is to defend the network against attack. What
role is Gary playing?
Red team
Blue team
Black team
White team - answer-Blue Team
FOUNDATIONS ACTUAL EXAM 250 QUESTIONS AND
CORRECT ANSWERS 2025 LATEST UPDATE//GRADED A+
Which OSI layer is related to the function of the IP protocol suite?
a. Transport
b. Network
c. Data Link
d. Session - answer-Network
Which OSI layer is responsible for organizing how bits are passed over the physical layer between
devices within the same collision domain?
a. Frame
b. Connection
c. Transport
d. Data Link - answer-Data Link
Which OSI layer would define the scope of a protocol that makes sure packets of data are received
correctly and resends them if they are not?
a. Validation
b. Transmission
c. Transport
d. Connection - answer-Transport
Which protocol suite performs functions of OSI layer 4?
a. IPX
b. MAC
c. CSMA/CD
d. TCP - answer-TCP
,Kyle is concerned that an attacker is probing his network and would like to use a decoy system to
attract the attacker and analyze his or her activity. What type of tool would best meet Kyle's needs?
Honeypot
Sinkhole
Jump box
Darknet - answer-Honeypot
A cybersecurity specialist is asked to identify the potential criminals known to attack the
organization. Which type of hackers would the cybersecurity specialist be least concerned with?
Gray hat hackers
Black hat hackers
Script kiddies
White hat hackers - answer-White hat hackers
Which attack floods a system with traffic in order to prevent legitimate activities or transactions from
occurring?
Brute force attack
Privilege escalation
Denial of service attack
Man-in-the-middle attack - answer-Denial of service attack
What type of attack targets an SQL database using the input field of a user?
Buffer overflow
SQL injection
XML injection
Cross-site scripting - answer-SQL Injection
Two or more computers connected together over a wide geographical area (e.g. county, country,
globe). What type of network is this?
LAN
,School Network
WAN
The Internet - answer-Wide Area Network (WAN)
In cybersecurity, what does CIA stand for? - answer-Confidentiality, Integrity, Availability
Which layer of the OSI model is responsible for the establishment, maintaining and terminating the
connection between two systems?
Session
Presentation
Data Link
Network - answer-Session
In the OSI model, what is the primary function of the Network layer?
Allows applications to establish, use, and end a connection
Routes data between networks
Transmits data frames
Ensures that packets are delivered with no loss or duplication - answer-Routes data between
networks
The restrictions most commonly implemented in packet-filtering firewalls are based on ____.
IP source and destination address
Direction (inbound or outbound)
TCP or UDP source and destination port requests
All of the above - answer-All of the above
Kim has taken her Network and Security Foundation exam and is waiting to get her results by email.
By accident, Kim's results are sent to Karen. What part of the CIA Triad is affected? - answer-
Confidentiality
, Barry is working with his organization's platforms team to select a virtualization approach for use in
their data center. To provide stronger security, he would like to select a hypervisor that runs directly
on bare metal hardware without an intervening host operating system. What type of hypervisor
should he choose?
Type 2
Type 1
Type 3
Type 4 - answer-Type 1
What encryption algorithm uses the same pre-shared key to encrypt and decrypt data? - answer-
Symmetric
In a hybrid cloud, data is traveling over the wide area network (WAN) connection between the
private and public clouds is known as?
Data at Rest
Data in Transit
Data in Use
Data in Motion - answer-Data in Transit
You have implemented a network where each device provides all other devices on the network with
access to shared files. What type of network do you have? - answer-Peer-to-Peer
Alice would like to send a message to Bob using an asymmetric cryptography algorithm. What key
should she use to encrypt the message? - answer-Bob's Public Key
Gary is participating in a cybersecurity exercise. His job is to defend the network against attack. What
role is Gary playing?
Red team
Blue team
Black team
White team - answer-Blue Team
