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WGU D430 Fundamentals of Information Security Comprehensive Study Guide 2025/ 2026 Cybersecurity Principles and Exam Questions with Solution Explanations and Mastery

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Master WGU D430 Fundamentals of Information Security with this 2025/ 2026 Comprehensive Study Guide, featuring high-quality practice questions with solution explanations. This resource strengthens understanding of cybersecurity fundamentals, risk management, access controls, and threat mitigation while improving exam performance. Ideal for students seeking reliable, exam-aligned preparation with solution clarity and updated 2025/ 2026 content to ensure mastery and success.

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WGU D430
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Institution
WGU D430
Course
WGU D430

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Uploaded on
November 30, 2025
Number of pages
128
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

Content preview

Which security principle is being Availability
attacked?
A Possession
B Integrity
C Confidentiality
D Availability

A new start-up company has started File encryption
working on a social networking
website. The company has moved all
its source code to a cloud provider
and wants to protect this source
code from unauthorized access.
Which cyber defense concept
should the start-up company use to
maintain the confidentiality of its
source code?
A Alarm systems
B Account permissions
C Antivirus software
D File encryption

,A company has an annual audit of Threat
installed software and data storage
systems. During the audit, the auditor
asks how the company's most critical
data is used. This determination
helps the auditor ensure that the
proper defense mechanisms are in
place to protect critical data.


Which cybersecurity term is defined
as the potential for an attack on a
resource?


A Impact
B Vulnerability
C Risk
D Threat

Which security type deliberately Honeypots
exposes a system's vulnerabilities or
resources to an attacker?
A Intrusion detection
B Firewalls
C Honeypots
D Intrusion prevention

,Which tool can be used to map Port scanner
devices on a network, along with
their operating system types and
versions?
A Packet sniffer
B Packet filter
C Port scanner
D Stateful firewall

Which web attack is a server-side SQL injection
attack?
A Clickjacking
B Cross-site scripting
C SQL injection
D Cross-site request forgery

An organization employs a VPN to Data in motion
safeguard its information.
Which security principle is protected
by a VPN?
A Data in motion
B Data at rest
C Data in use
D Data in storage

, A malicious hacker was successful in Interruption
a denial of service (DoS) attack
against an institution's mail server.
Fortunately, no data was lost or
altered while the server was offline.
Which type of attack is this?
A Modification
B Fabrication
C Interception
D Interruption

A company has had several Utility
successful denial of service (DoS)
attacks on its email server.
Which principle of the Parkerian
hexad is the auditor addressing?
A Possession
B Integrity
C Authenticity
D Utility
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