Cybersecurity-Architecture-and-Engineering Exam Dumps : WGU Cybersecurity Architecture and Engineering (KFO1/D488)

The correct answer is B — Internet Protocol Security (IPsec).

According to WGU Cybersecurity Architecture and Engineering (KFO1 / D488), IPsec provides secure communication over IP networks by encrypting and authenticating IP packets. It is widely used for site-to-site VPNs and ensures confidentiality, integrity, and authentication between different cloud environments like Azure and AWS.

TCP (A) is a transport layer protocol ensuring reliable delivery but not encryption. FTP (C) is used for file transfer and is insecure unless secured with extensions. SSH (D) secures remote terminal sessions but is not primarily used for network-wide secure communication.

Reference Extract from Study Guide:

"IPsec provides a secure method of communication across IP networks, ensuring data confidentiality, integrity, and authentication for VPN connections and hybrid cloud communications."

— WGU Cybersecurity Architecture and Engineering (KFO1 / D488), Secure Protocols for Hybrid Environments

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The correct answer is C — Impact.

According to WGU Cybersecurity Architecture and Engineering (KFO1 / D488) materials, when evaluating the severity of an incident, the immediate and potential impact on operations, patient care, finances, or reputation is the most critical factor. In this scenario, the interruption to patientcare due to encrypted records signifies a major operational impact, making it the most important consideration.

Threat actors (A) identify who is behind the attack, not the severity. Risk (B) encompasses impact and likelihood but is broader. Likelihood (D) concerns the probability of an event happening, not its current severity.

Reference Extract from Study Guide:

"Impact refers to the actual or potential harm that results from a security incident, including effects on operations, financial loss, or harm to individuals."

— WGU Cybersecurity Architecture and Engineering (KFO1 / D488), Incident Response and Management

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The correct answer is A — Mandatory access control (MAC).

Per WGU Cybersecurity Architecture and Engineering (KFO1 / D488) coursework, MAC is a strict access control model where access to resources is based on information labels (such as classified, secret, top secret) and user clearances. Only administrators define and control the policy rules, and users cannot alter access settings, making it ideal for environments where classification labels determine access rights, such as government systems.

ABAC (B) focuses on attributes but is more dynamic rather than based purely on rigid classifications. DAC (C) gives data owners control over access permissions, unsuitable for classified government environments. RBAC (D) assigns permissions based on roles, but not necessarily aligned with security labels.

Reference Extract from Study Guide:

"Mandatory access control (MAC) enforces access policies based on fixed labels and security classifications, making it the preferred model for high-security environments like government agencies handling classified data."

— WGU Cybersecurity Architecture and Engineering (KFO1 / D488), Access Control Models

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