WGU Introduction-to-Cryptography Practice Test Pdf Exam Material [Q22-Q45]

18 Sep, 2026 By admin Introduction-to-Cryptography, WGU 0 Comments

WGU Introduction-to-Cryptography Practice Test Pdf Exam Material [Q22-Q45]

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WGU Introduction-to-Cryptography Practice Test Pdf Exam Material

Introduction-to-Cryptography Answers Introduction-to-Cryptography Free Demo Are Based On The Real Exam

WGU Introduction-to-Cryptography Exam Syllabus Topics:

Section	Weight	Objectives
Key Management & Secure Protocols	10%	– Cryptographic attacks: brute force, birthday, man-in-the-middle – Key generation, storage, exchange, and destruction – Secure protocols: TLS/SSL, IPsec, SSH, PGP
Cryptography Fundamentals	20%	– Historical evolution and modern applications – Basic terminology: plaintext, ciphertext, algorithm, key – Core goals: confidentiality, integrity, authentication, non-repudiation
Symmetric Encryption	25%	– Block vs stream ciphers, modes of operation (ECB, CBC, OFB, CFB) – Algorithms: AES, DES, 3DES, Blowfish – Principles and operation – Key generation, distribution, and management challenges
Implementation & Best Practices	5%	– Standards and compliance – Common mistakes and vulnerabilities – Selecting appropriate algorithms and key sizes
Hash Functions & Data Integrity	15%	– HMAC construction and application – Properties: collision resistance, one-way function – Algorithms: SHA-1, SHA-256, SHA-3, MD5 – Uses: integrity checks, password storage, message authentication
Asymmetric Encryption & Public Key Infrastructure	25%	– Principles: public/private key pairs – Digital signatures: purpose and process – Certificate lifecycle: creation, validation, revocation – PKI components: certificates, CAs, trust models – Algorithms: RSA, ECC, Diffie-Hellman

NEW QUESTION 22
(Which mechanism can be applied to protect the integrity of plaintext when using AES?)

RC4

Message Authentication Code (MAC)

RSA

Kerberos key sharing

NEW QUESTION 23
(Why should an administrator choose lightweight cryptography?)

The desktop is in a secure area of the building.

The embedded system has limited resources.

The payload requires complex rounds of encryption.

The data requires minimal protection due to the sensitivity level.

NEW QUESTION 24
(What is a digital signature?)

A method of encrypting messages

A cryptographic technique to verify the authenticity and integrity of a message

A type of encryption algorithm

A unique identifier for digital files

NEW QUESTION 25
(Which encryption mode is known for supporting parallel processing?)

Cipher Feedback (CFB)

Cipher Block Chaining (CBC)

Output Feedback (OFB)

Electronic Codebook (ECB)

NEW QUESTION 26
(Which wireless security standard uses an authentication server with 802.1X and EAP?)

WPA-PSK

WEP

WPA-Enterprise

TKIP

NEW QUESTION 27
(Why should an administrator choose lightweight cryptography?)

The desktop is in a secure area of the building.

The embedded system has limited resources.

The payload requires complex rounds of encryption.

The data requires minimal protection due to the sensitivity level.

NEW QUESTION 28
(Employee A needs to send Employee B a symmetric key for confidential communication. Which key is used to encrypt the symmetric key?)

Employee A’s private key

Employee B’s public key

Employee A’s public key

Employee B’s private key

NEW QUESTION 29
(Why is it important for cryptography frameworks to adapt over time?)

To respond to emerging security threats and vulnerabilities

To maintain a rigid structure for data protection

To standardize the use of obsolete encryption techniques

To comply with outdated technology standards

NEW QUESTION 30
(Which technique involves spotting variations in encrypted data and plotting how the characters relate to standard English characters?)

Brute force

Frequency analysis

Known plaintext

Chosen ciphertext

NEW QUESTION 31
(Which type of encryption is Advanced Encryption Standard (AES) considered to be?)

Hybrid encryption

Quantum encryption

Asymmetric encryption

Symmetric encryption

NEW QUESTION 32
(Which feature is characteristic of asymmetric encryption?)

Uses both a public and private key

Uses one key for encryption and decryption

Requires multiple encryption rounds

Is irreversible

NEW QUESTION 33
(Which additional input element can be used to implement integrity in combination with symmetric ciphers?)

Initialization vector

Encoding algorithm

Nonce value

Hash function

NEW QUESTION 34
(Quantum computing poses a threat to which cryptographic algorithm?)

Secure Hash Algorithm 256 (SHA-256)

Advanced Encryption Standard (AES)

Electronic Codebook (ECB)

Rivest-Shamir-Adleman (RSA)

NEW QUESTION 35
(Which type of exploit involves looking for different inputs that generate the same hash?)

Birthday attack

Linear cryptanalysis

Algebraic attack

Differential cryptanalysis

NEW QUESTION 36
(What is the purpose of code-signing in current systems?)

To generate random numbers for encryption

To verify the integrity and authenticity of software

To compress data for efficient storage

To authenticate users during data transmission

NEW QUESTION 37
(What is the RC4 encryption key size when utilizing WPA with Temporal Key Integrity Protocol (TKIP)?)

40 bits

56 bits

128 bits

256 bits

NEW QUESTION 38
(Two people want to communicate through secure email. The person creating the email wants to ensure only their friend can decrypt the email. Which key should the person creating the email use to encrypt the message?)

Sender’s public key

Recipient’s private key

Sender’s private key

Recipient’s public key

NEW QUESTION 39
(What is the primary purpose of the Health Insurance Portability and Accountability Act (HIPAA) in relation to encryption?)

To standardize the use of encryption across all industries

To prohibit the use of electronic health records

To allow healthcare providers to encrypt patient records at their discretion

To ensure the confidentiality of patient information through secure measures like encryption

NEW QUESTION 40
(What is the maximum key size (in bits) supported by AES?)

128

192

256

512

NEW QUESTION 41
(Which certificate encoding process is binary-based?)

Distinguished Encoding Rules (DER)

Public Key Infrastructure (PKI)

Privacy Enhanced Mail (PEM)

Rivest-Shamir-Adleman (RSA)

NEW QUESTION 42
(Why should a forensic investigator create a hash of a victim’s hard drive and of the bitstream copy of the hard drive?)

To identify if someone opened the drive

To certify the information on the drive is correct

To establish who created the files on the drives

To verify that the drives are identical

NEW QUESTION 43
(How does a Caesar cipher operate in the encryption of messages?)

Encrypting messages using complex mathematical algorithms

Substitution of letters with their numerical equivalents

Reversing the order of letters in a message

Shifting each letter in the alphabet by a fixed number

NEW QUESTION 44
(A company wants to use certificates issued by a root CA to demonstrate to customers that it is a legitimate company being hosted by a cloud provider. Who needs to trust the root CA public key?)

The seller and the buyer

The cloud provider and the seller

The Federal Trade Commission and the cloud provider

The buyer and the Federal Trade Commission

NEW QUESTION 45
(What is the maximum key size (in bits) supported by AES?)

128

192

256

512