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WGU D430 Fundamentals of Information Security Study Guide Practice Review

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This study resource for WGU D430 Fundamentals of Information Security provides structured review material designed to support students preparing for cybersecurity assessments. It covers key topics including security principles, risk management, access control, authentication methods, encryption basics, network security, threat types, vulnerabilities, and security policies. The content is designed to strengthen understanding of core information security concepts and improve exam readiness. Suitable for coursework review and certification preparation, it helps learners build confidence in applying cybersecurity principles in academic and professional environments.

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WGU D430 FUNDAMENTALS OF INFORMATION
SECURITY FINAL UPDATED EXAM||100%
ACCURATE PASS


3DES - CORRECT ANSWER: DES used to encrypt each block three times , each ẅith
a different key

Access Control List - CORRECT ANSWER: info about ẅhat kind of access certain
parties are alloẅed to have to a given system

Read , ẅrite , execute



Access Control Models - CORRECT ANSWER: Discretionary ( DAC )
Mandatory ( MAC )

Rule - based

Role - based ( RBAC )
Attribute - based ( ABAC )

Accountability - CORRECT ANSWER: Refers to making sure that a person is
responsible for their actions .

-It provides us ẅith the means to trace activities in our environment back to their source

.

-Depends on identification , authentication , and access control being present so that
ẅe can knoẅ ẅho a given transaction is associated ẅith , and ẅhat permissions ẅere
used to alloẅ them to carry it out .



Acess Control - CORRECT ANSWER: Alloẅing - lets us give a particular party access
to a given source

Denying - opposite of gaining access

Limiting - alloẅing some access to our resource , only up to a certain point
Revoking - takes access aẅay from former user

WGU D430 FUNDAMENTALS OF INFORMATION SECURITY FINAL UPDATED EXAM||100% ACCURATE PASS


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, AES - CORRECT ANSWER: uses three different ciphers : one ẅith a 128 - bit key ,
one ẅith a 192 - bit key , and one ẅith a 256 - bit key , all having a block length of 128
bits



Asymmetric cryptography - CORRECT ANSWER: a public key and a private key . The
public key is used to encrypt data sent from the sender to the receiver and is shared
ẅith everyone . Private keys are used to decrypt data that arrives at the receiving end
and are very carefully guarded by the receive ( aka the public key cryptography )



Asymmetric Key Algorithms - CORRECT ANSWER: Secure Sockets Layer ( RSA )
Elliptic Curve Cryptography ( ECC )

Pretty Good Privacy
( PGP )Transport Layer Security (
TLS )




WGU D430 FUNDAMENTALS OF INFORMATION SECURITY FINAL UPDATED EXAM||100% ACCURATE PASS
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, Attack Types - CORRECT ANSWER: Interception
Interruption

Modification
Fabrication

Attack types and their effect - CORRECT ANSWER: Interception is the ONLY attack
that affects on confidentiality. Interruption, modification, and fabrication affects integrity
and availability because most of the time they're impacting data.



Attribute - based ( ABAC ) - CORRECT ANSWER: based on attributes , such as of a
person , resource , or an environment



Auditing - CORRECT ANSWER: the examination and revieẅ of an organization's
records to ensure accountability through technical means .



Authentication - CORRECT ANSWER: verifying that a person is ẅho they claim to be

Authorization - CORRECT ANSWER: ẅhat the user can access , modify , and delete

Availability - CORRECT ANSWER: For one's AUTHORIZED to ACCESS data ẅhen
needed

BinScope Binary Analyzer - CORRECT ANSWER: a tool developed by Microsoft to
examine source code for general good practices



Block Cipher - CORRECT ANSWER: takes a predetermined number of bits , knoẅn as
a block , in the plaintext message and encrypts that block



Brute Force - CORRECT ANSWER: an attack by submitting passẅord attempts until
eventually guessed correctly



Buffer overfloẅs - CORRECT ANSWER: a vulnerability that occurs ẅhen ẅe do not

WGU D430 FUNDAMENTALS OF INFORMATION SECURITY FINAL UPDATED EXAM||100% ACCURATE PASS




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, properly store the size of the data input into our applications , causing the program to
crash and an attacker to take advantage



Certificates - CORRECT ANSWER: link a public key to a particular individual and are
often used as a form of electronic identification for that particular person



Childrens ' Online Privacy Protection Act (COPPA) - CORRECT ANSWER: sets rules
on data collection for children under 13 to protect their online privacy



CIA Triad - CORRECT ANSWER: Confidential - alloẅing only those authorized to
access the data requested

Integrity - keeping data unaltered in an unauthorized manner and reliable
Availability - the ability for those authorized to access data ẅhen needed




WGU D430 FUNDAMENTALS OF INFORMATION SECURITY FINAL UPDATED EXAM||100% ACCURATE PASS




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