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CompTIA N10-009 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Selection and configuration of wireless devices.
Topic 2
  • OSI reference model concepts, Comparison of networking appliances, applications, and functions
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
  • Cloud concepts and connectivity options, and Common networking ports.
Topic 5
  • Networking Concepts: For network administrators and IT support professionals, this domain covers
Topic 6
  • 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.| 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.

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CompTIA Network+ Certification Exam Sample Questions (Q624-Q629):

NEW QUESTION # 624
A network engineer is now in charge of all SNMP management in the organization. The engineer must use a SNMP version that does not utilize plaintext data. Which of the following is the minimum version of SNMP that supports this requirement?

Answer: C

Explanation:
SNMPv3 is the version of the Simple Network Management Protocol that introduces security enhancements, including message integrity, authentication, and encryption. Unlike previous versions (v1 and v2c), SNMPv3 supports encrypted communication, ensuring that data is not transmitted in plaintext. This provides confidentiality and protects against eavesdropping and unauthorized access.References:CompTIA Network+ study materials.


NEW QUESTION # 625
A network administrator needs a solution to isolate and potentially identify any threat actors that are attempting to breach the network. Which of the following should the administrator implement to determine the type of attack used?

Answer: C

Explanation:
A honeypot is specifically designed to attract, isolate, and observe malicious activity so defenders can learn how an attacker is operating and determine attack techniques. In the context of Network+ (N10-009) security objectives, honeypots (and broader deception technologies) are defensive controls used to detect reconnaissance and exploitation attempts by presenting a decoy system or service that appears legitimate.
Because a honeypot should not receive normal production traffic, any interaction is suspicious, making it valuable for identifying threat actors, collecting indicators of compromise, and analyzing the attacker's tools, commands, and behavior patterns. This supports the goal of understanding the type of attack used (for example, credential stuffing, exploitation attempts, lateral movement probes) while keeping the attacker away from real assets.
MFA strengthens authentication but does not provide a controlled environment to observe attacker techniques. A screened subnet (DMZ) is for segmentation of public-facing services and reducing exposure of internal systems, but it is not primarily used to "bait" and analyze attackers. A captive portal enforces user acknowledgement/authentication for network access; it is not a deception/analysis system. Therefore, honeypot is the best match.


NEW QUESTION # 626
A customer is adding fiber connectivity between adjacent buildings. A technician terminates the multimode cable to the fiber patch panel. After the technician connects the fiber patch cable, the indicator light does not turn on. Which of the following should a technician try first to troubleshoot this issue?

Answer: A

Explanation:
When working with fiber optic cables, one common issue is that the transmit (TX) and receive (RX) fibers might be reversed. The first step in troubleshooting should be to reverse the fibers at one end to ensure they are correctly aligned (TX to RX and RX to TX). This is a simple and quick step to rule out a common issue before moving on to more complex troubleshooting.
Reference: CompTIA Network+ study materials.


NEW QUESTION # 627
Which of the following tools uses ICMP to help determine whether a network host is reachable?

Answer: A

Explanation:
Ping sends ICMP Echo Request packets and waits for Echo Replies to verify host reachability and measure round-trip time.
A . tcpdump captures packets but does not test reachability.
B . netstat displays open ports and network sessions.
C . nslookup queries DNS servers for name resolution.
Reference (CompTIA Network+ N10-009):


NEW QUESTION # 628
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?

Answer: D

Explanation:
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.
Reference:
CompTIA Network+ (N10-009) Official Study Guide - Domain 3.5: Given a scenario, implement cybersecurity measures.
NIST 800-83: Malware Incident Prevention & Handling


NEW QUESTION # 629
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