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CompTIA N10-009 Exam Questions
- Topic 1: Networking Concepts: For network administrators and IT support professionals, this domain covers OSI reference model concepts, Comparison of networking appliances, applications, and functions Cloud concepts and connectivity options, and Common networking ports.
- Topic 2: Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and Selection and configuration of wireless devices.
- Topic 3: Network Operations: For IT operations staff and network operations center (NOC) technicians, this part of the exam covers the purpose of organizational processes and procedures and use of network monitoring technologies.
- Topic 4: Network Security: This section of the exam for cybersecurity specialists and network security administrators covers the importance of basic network security concepts, Various types of attacks and their impact on the network, application of network security features, defense techniques, and solutions.
- Topic 5: Network Troubleshooting: For help desk technicians and network support specialists, this section covers troubleshooting methodology, troubleshooting common cabling and physical interface issues, troubleshooting common issues with network services, and use of appropriate tools or protocols to solve networking issues.
Free CompTIA N10-009 Exam Actual Questions
Note: Premium Questions for N10-009 were last updated On Mar. 11, 2026 (see below)
Which of the following routing technologies uses an attribute list for path selection?
BGP (Border Gateway Protocol) uses attributes like AS path, origin, and MED (multi-exit discriminator) to determine the best path among multiple available routes.
From Andrew Ramdayal's guide:
''BGP is the protocol underlying the global routing system of the internet. It is used for routing data between autonomous systems (ASes)... BGP uses a path vector mechanism and maintains a list of attributes for route selection.''
Which of the following physical installation factors is the most important when a network switch is installed in a sealed enclosure?
Switches in sealed enclosures are at risk of overheating because airflow is restricted. The temperature factor is critical since heat buildup can damage components, shorten device lifespan, and cause outages. Proper cooling or ventilation must be ensured.
A . Fire suppression is important for data centers but not the primary concern in a sealed box.
B . Power budget applies to PoE allocations, not environmental safety.
D . Humidity matters, but overheating is far more immediate in sealed environments.
Reference (CompTIA Network+ N10-009):
Domain: Network Infrastructure --- Environmental considerations, switch installation, temperature control.
Which of the following physical installation factors is the most important when a network switch is installed in a sealed enclosure?
Switches in sealed enclosures are at risk of overheating because airflow is restricted. The temperature factor is critical since heat buildup can damage components, shorten device lifespan, and cause outages. Proper cooling or ventilation must be ensured.
A . Fire suppression is important for data centers but not the primary concern in a sealed box.
B . Power budget applies to PoE allocations, not environmental safety.
D . Humidity matters, but overheating is far more immediate in sealed environments.
Reference (CompTIA Network+ N10-009):
Domain: Network Infrastructure --- Environmental considerations, switch installation, temperature control.
Which of the following allows a user to connect to an isolated device on a stand-alone network?
A jump box is a hardened system that provides secure access to isolated or sensitive devices on a separate network.
Breakdown of Options:
A . Jump box -- Correct answer. Acts as a middle point for secure remote access.
B . API gateway -- Used for managing API calls, not remote access to isolated devices.
C . Secure Shell (SSH) -- Requires direct connectivity, which may not be available for an isolated device.
D . Clientless VPN -- Allows web-based VPN access, but does not guarantee access to isolated devices.
CompTIA Network+ (N10-009) Official Study Guide -- Domain 3.4: Implement secure remote access methods.
A company is implementing a wireless solution in a high-density environment. Which of the following 802.11 standards is used when a company is concerned about device saturation and converage?
802.11ax, also known as Wi-Fi 6, is designed for high-density environments and improves device saturation and coverage compared to previous standards.
802.11ac: While it offers high throughput, it is not optimized for high-density environments as effectively as 802.11ax.
802.11ax (Wi-Fi 6): Introduces features like OFDMA, MU-MIMO, and BSS Coloring, which enhance performance in crowded environments, reduce latency, and increase the number of devices that can be connected simultaneously.
802.11g and 802.11n: Older standards that do not offer the same level of efficiency or support for high device density as 802.11ax.
Network Reference:
CompTIA Network+ N10-007 Official Certification Guide: Covers the 802.11 standards and their capabilities.
Cisco Networking Academy: Provides training on Wi-Fi technologies and best practices for high-density deployments.
Network+ Certification All-in-One Exam Guide: Discusses the various 802.11 standards and their applications in different environments.
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