Free CompTIA CNX-001 Practice Exam with Questions & Answers

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:

Using a spectrum analyzer to inspect the 6GHz frequency range allows the administrator to confirm the presence and source of interference. This step aligns with the “identify the problem” phase of the CompTIA troubleshooting methodology. Before making changes or documenting channels, the administrator must validate whether interference exists and collect diagnostic data.

Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide — under “Troubleshooting Methodology and Wireless Interference”:

“Spectrum analyzers provide a visual representation of frequency usage and interference in wireless bands, allowing administrators to isolate the root cause of degraded performance before implementing corrective actions.”

Other options:

A. Testing performance (Step 5 in the methodology) comes after identifying and resolving the issue.

C. Documentation is performed during the final step of troubleshooting.

D. Changing channels without evidence may worsen interference if the problem is not confirmed.

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Comprehensive and Detailed Explanation From Exact Extract:

Data Loss Prevention (DLP) solutions scan messages and file transfers for sensitive data patterns, such as credit card numbers or social security numbers. DLP can block, log, or alert when such information is detected attempting to leave the organization.

Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide — under “Data Protection and Compliance Controls”:

“DLP systems identify and restrict the transmission of sensitive data such as credit card numbers, enforcing organizational data handling policies.”

Other options:

A. IDS detects threats but doesn’t enforce data content policies.

B. Egress filtering restricts destinations but not content.

D. Encryption protects data in transit, not its content compliance.

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Comprehensive and Detailed Explanation From Exact Extract:

PortFast is a feature in Spanning Tree Protocol (STP) that allows switch ports connected to end devices (like user workstations) to bypass the usual STP states (Listening and Learning) and transition immediately to the Forwarding state. This significantly reduces convergence time and speeds up the network availability when new switches or ports are introduced.

Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide — under “STP Optimization Techniques”:

“PortFast reduces STP convergence time by immediately placing access ports into the forwarding state, useful in environments where rapid network availability is required.”

Other options:

A. BPDU Guard is used to disable ports that receive Bridge Protocol Data Units, enhancing security but not STP speed.

B. Priority modifies bridge priority but doesn’t reduce convergence time.

C. Tagging relates to VLAN identification, not STP behavior.

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Comprehensive and Detailed Explanation From Exact Extract:

Network flow logging (e.g., AWS VPC Flow Logs, Azure NSG Flow Logs, or GCP VPC Flow Logs) is a cloud-native feature that records metadata about network conversations, including source and destination IPs, ports, and traffic volume. It does not capture payloads but provides detailed flow-level insight without requiring agents or intrusive configuration changes, making it the most efficient and least effort solution.

Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide — under “Cloud-native Network Monitoring”:

“Network flow logging provides metadata about traffic within cloud VPCs and is used for visibility, troubleshooting, and security auditing without packet inspection.”

Other options:

B. SNMP traps monitor device health, not traffic flows.

C. QoS tagging controls traffic priority but doesn’t log flows.

D. Monitoring agents collect system-level metrics and logs, but require installation and configuration.

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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:

Geofencing is a network access control method that enforces restrictions based on location data. In this scenario, the organization requires access to be permitted only when users are on premises (i.e., within a specific physical location). Geofencing can be implemented using source IP ranges or GPS-based location data to define boundaries (fences). This allows access to certain applications or services only when the user is inside a designated network or area.

MFA (Option A) provides identity assurance but does not enforce physical location-based restrictions.

UEBA (Option C) provides behavioral analytics but is not used for real-time access control.

PKI (Option D) provides identity validation through certificates but is not location-aware.

Relevant Extract from CompTIA CloudNetX CNX-001 Official Study Guide:

“Geofencing allows organizations to define physical or logical boundaries that restrict or allow access based on user location. Policies can be configured to allow access only when users are on a trusted campus or corporate network, denying requests originating from outside the geofenced area.”

Covered under the topic: “Access Control Technologies and Identity Enforcement Mechanisms.”

Comprehensive and Detailed Explanation From Exact Extract:

In the 2.4 GHz Wi-Fi band, channels overlap due to how the frequency spectrum is divided. To prevent co-channel and adjacent-channel interference, only non-overlapping channels should be used. According to the IEEE 802.11 standard and best practices outlined in the CompTIA CloudNetX CNX-001 Study Guide under “Wireless Network Optimization,” the three non-overlapping channels in the 2.4 GHz band are:

Channel 1 (2.412 GHz)

Channel 6 (2.437 GHz)

Channel 11 (2.462 GHz)

These channels are spaced far enough apart to avoid interference, even when operating in close proximity. Using overlapping channels (as in options A, B, and D) causes signal degradation and poor performance due to increased contention and retransmissions.

Relevant Extract from CompTIA CloudNetX CNX-001:

“Wi-Fi networks operating on the 2.4 GHz band should use channels 1, 6, and 11 to ensure maximum throughput and minimal interference in environments with multiple access points.”

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Comprehensive and Detailed Explanation From Exact Extract:

According to the standard CompTIA troubleshooting methodology, once the issue has been identified and a solution has been implemented (e.g., failing over traffic to the backup link), the next logical step is to verify full system functionality. This ensures that the backup path is working as intended and that services have resumed properly for the users.

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

“After implementing the solution, it is critical to verify full system functionality to ensure the resolution has addressed the problem without causing unintended consequences.”

Other options:

A. Documenting lessons learned is the final step.

B. The plan of action should have been created before the failover.

C. Identifying the problem already occurred earlier in the scenario.

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Comprehensive and Detailed Explanation From Exact Extract:

STP (Spanning Tree Protocol) is a Layer 2 standard protocol that prevents switching loops in Ethernet networks by creating a loop-free logical topology. It can automatically block and unblock redundant paths based on network changes, ensuring reliability and avoiding broadcast storms.

Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide — under “Ethernet Loop Prevention and Switching Protocols”:

“STP is a standard Layer 2 protocol used to detect and prevent network loops, enhancing network stability in switched topologies.”

Other options:

B. SIP is a signaling protocol used in VoIP.

C. RTSP is for media streaming control.

D. BGP is a routing protocol, not for Layer 2 loop prevention.