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Comprehensive and Detailed Explanation From Exact Extract:

The local machine has the IP address 10.21.12.8 and the physical address 1A-21-11-33-44-5A.However, the ARP table shows that 10.21.12.8 is mapped to a different MAC address (1A-21-11-31-74-4C), meaning another device on the network is responding to ARP requests for the same IP. This is a clear sign of an IP address conflict, which would prevent the workstation from functioning properly on the network.

Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide — under “Troubleshooting IP Addressing Issues”:

“An IP conflict occurs when two devices on the same network are assigned the same IP address. Symptoms include connectivity loss, duplicate ARP entries, and inconsistent routing behavior.”

Other options:

A. Asynchronous routing refers to packets taking different return paths, which is unrelated to ARP inconsistencies.

C. DHCP server issues would affect IP assignment but are not indicated here — the workstation has an IP address assigned.

Comprehensive and Detailed Explanation From Exact Extract:

Privileged Access Management (PAM) is the optimal solution to control, audit, and secure administrative access to systems and services. PAM enables role-based approval workflows, time-limited access, auditing, and credential rotation, fully aligning with the requirements.

Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide — under “Identity and Access Controls”:

“Privileged Access Management allows fine-grained control over administrator-level access, supports just-in-time access provisioning, password rotation, and audit logging.”

Other options:

B. Session-based tokens allow temporary access but do not enforce policies or auditing.

C. Conditional access provides policy enforcement based on context but lacks full PAM features.

D. ACLs control access to resources but don’t manage privilege workflows or audits.

Comprehensive and Detailed Explanation From Exact Extract:

An Allow List (also known as Whitelisting) is the most restrictive firewall rule approach. It blocks all traffic by default and only permits explicitly defined trusted IPs, URLs, or applications. This minimizes the attack surface and ensures that only known, safe traffic is allowed into the network.

Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide — under “Firewall and Security Rule Configuration”:

“Whitelisting or Allow Listing enforces a default-deny security posture by permitting only specified trusted sources. This approach offers the highest level of control and reduces exposure to unknown threats.”

Other options:

A. URL filtering restricts content access but is not as strict as allow lists.

B. File blocking targets malicious payloads but doesn’t limit traffic sources.

C. Network Security Groups (NSGs) are effective but broader in scope; they use allow/deny rules but may not be as tightly controlled as explicit allow lists.

Comprehensive and Detailed Explanation From Exact Extract:

When an application is moved from local deployment to a centralized cloud deployment, remote users must connect over the WAN. If the application is sensitive to delays, latency becomes a significant issue, especially across geographically distributed regions. This is a common performance concern for centralized applications serving remote offices.

Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide — under “Cloud Performance and WAN Connectivity”:

“Cloud-hosted applications accessed by remote users may suffer from latency-related performance issues. Optimization strategies may include CDN, caching, or edge deployment.”

Other options:

A. Throttling usually refers to bandwidth or rate-limiting, not general slowness.

B. Overutilization is possible, but infrastructure was said to be centralized and new.

C. Packet loss would likely cause disconnects or failures, not just slowness.

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Comprehensive and Detailed Explanation From Exact Extract:

Reference architectures are pre-defined templates or blueprints provided by vendors, standardsbodies, or industry alliances (e.g., NIST, CIS, vendor frameworks) that define recommended practices for secure and reliable infrastructure design. They help ensure alignment with compliance, security controls, and industry-recognized configurations.

Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide — under “Architecture Standards and Security Best Practices”:

“Reference architectures guide the implementation of secure, scalable, and compliant infrastructure. They embody industry best practices and reduce misconfiguration risks in cloud and hybrid environments.”

Other options:

B. Licensing agreements pertain to software usage rights, not security alignment.

C. SLAs define service expectations, not design standards.

D. MOUs are informal agreements between parties, not technical or security frameworks.

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