CompTIA Updated N10-009 Exam Questions and Answers by teodor

Tailgatingis a physical security breach where someone follows an authorized person into a restricted area without proper credentials. Once inside, the attacker can install rogue devices like unauthorized APs.

A. Evil twinis a wireless attack where an attacker sets up a fake AP.

B. Honeytrapis used to attract attackers for analysis.

C. Wardrivinginvolves scanning for unsecured Wi-Fi networks while driving, not physical intrusion.

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CompTIA Network+ N10-009 Official Objectives: 4.2 – Identify common security threats and vulnerabilities.

An802.11ac wireless bridgeis the most practical solution to connect two nearby buildingswithout trenching or laying physical cable. It provides high-speed, point-to-point connectivity using directional antennas.

A. Multimode fiberis effective but expensive and typically limited to 500 meters or less.

C. Cat 6 copperis only rated for up to 100 meters — not viable for a street-wide distance.

D. Loopback adapteris a troubleshooting tool, not for network extension.

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CompTIA Network+ N10-009 Official Objectives: 1.3 – Compare and contrast various network topologies, types, and technologies.

Quality of Service (QoS)is crucial for real-time services like video conferencing. It prioritizes voice and video packets over less critical traffic (like file downloads), reducing latency, jitter, and packet loss.

B. Network signalmay apply to wireless, but it's not specific to video issues.

C. Time to live (TTL)affects packet lifespan, not performance or quality.

D. Load balancingmanages traffic across multiple paths but doesn’t prioritize real-time traffic like QoS does.

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CompTIA Network+ N10-009 Official Objectives: 3.6 – Explain the characteristics of network topologies and types.