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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 Jun. 22, 2025 (see below)
[Networking Concepts]
Which of the following routing protocols needs to have an autonomous system set in order to establish communication with neighbor devices?
A company wants to implement data loss prevention by restricting user access to social media platforms and personal cloud storage on workstations. Which of the following types of filtering should the company deploy to achieve these goals?
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.
Which of the following steps of the troubleshooting methodology comes after testing the theory to determine cause?
Comprehensive and Detailed
The CompTIA Troubleshooting Methodology states that after testing the theory, the next step is to establish a plan of action to resolve the issue.
Troubleshooting Steps:
Identify the problem.
Establish a theory of probable cause.
Test the theory to determine the cause.
Establish a plan of action and implement the solution. (Correct step)
Verify full system functionality.
Document findings, actions, and outcomes.
Breakdown of Options:
A . Verify full system functionality -- Happens after implementing the solution.
B . Document the findings and outcomes -- Final step, happens after resolving the issue.
C . Establish a plan of action -- Correct answer. Comes immediately after confirming the cause.
D . Identify the problem -- First step, already completed.
An employee in a corporate office clicks on a link in an email that was forwarded to them. The employee is redirected to a splash page that says the page is restricted. Which of the following security solutions is most likely in place?
Content filtering blocks access to restricted or malicious websites. When a user attempts to visit a site that violates company policies, they are redirected to a restriction page.
This is a common security measure to prevent employees from accessing phishing or malware-infected sites.
Content filters work by scanning URLs, keywords, or categories and blocking inappropriate or harmful content.
Option A (DLP - Data Loss Prevention): Focuses on preventing sensitive data leaks rather than blocking web access.
Option B (Captive portal): Used mainly in public Wi-Fi to authenticate users before granting access, not to restrict sites.
Option D (DNS sinkholing): Redirects malicious domain requests to a safe address but is not responsible for policy-based restrictions on general content.
? Reference: CompTIA Network+ (N10-009) Official Study Guide -- Section: Security Solutions
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