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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 Aug. 18, 2025 (see below)
A company has observed increased user traffic to gambling websites and wants to limit this behavior on work computers. Which of the following should the company most likely implement?
A content filter blocks access to specific websites based on category, URL, or keywords. This is the best solution to restrict gambling websites.
Breakdown of Options:
A . ACLs -- Control network access, not specific web content.
B . Content filter -- Correct answer. Used to block access to unwanted websites.
C . Port security -- Prevents unauthorized device connections, not web traffic filtering.
D . Screened subnet -- A DMZ isolates public-facing servers, not user restrictions.
CompTIA Network+ (N10-009) Official Study Guide -- Domain 3.3: Given a scenario, implement network security measures.
A network engineer discovers network traffic that is sending confidential information to an unauthorized and unknown destination. Which of the following best describes the cause of this network traffic?
Malware refers to any malicious software that can exfiltrate confidential data, including spyware, trojans, and rootkits. This fits the scenario where unauthorized data transfer is occurring.
Breakdown of Options:
A . Adware -- Displays ads, does not typically steal data.
B . Ransomware -- Encrypts files but does not exfiltrate data.
C . Darkware -- Not a real cybersecurity term.
D . Malware -- Correct answer. Malicious software is responsible for unauthorized data exfiltration.
CompTIA Network+ (N10-009) Official Study Guide -- Domain 3.5: Given a scenario, implement cybersecurity measures.
NIST 800-83: Malware Incident Prevention & Handling
Which of the following is associated with avoidance, acceptance, mitigation, and transfer?
These four terms---avoidance, acceptance, mitigation, and transfer---are strategies used in risk management.
From Andrew Ramdayal's guide:
''Risk in security refers to the potential for loss, damage, or destruction of assets or data due to a threat exploiting a vulnerability. Risk management strategies include avoidance, acceptance, mitigation, and transfer.''
A network administrator wants to restrict inbound traffic to allow only HTTPS to the company website, denying all other inbound traffic from the internet. Which of the following would best accomplish this goal?
AnAccess Control List (ACL)configured on theedge firewallis the correct and most effective solution tofilter inbound traffic. The administrator can allow TCP port 443 (HTTPS) and deny all other traffic. This is a classic firewall configuration for securing public-facing servers.
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[Networking Concepts]
Which of the following routing protocols needs to have an autonomous system set in order to establish communication with neighbor devices?
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