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Free PDF Quiz 2025 CompTIA N10-009: CompTIA Network+ Certification Exam Authoritative Certification Test Questions

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>> N10-009 Certification Test Questions <<

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CompTIA N10-009 Exam Syllabus Topics:

Topic
Details

Topic 1

Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and

Topic 2

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.

Topic 3

Cloud concepts and connectivity options, and Common networking ports.

Topic 4

OSI reference model concepts, Comparison of networking appliances, applications, and functions

Topic 5

Networking Concepts: For network administrators and IT support professionals, this domain covers

CompTIA Network+ Certification Exam Sample Questions (Q98-Q103):

NEW QUESTION # 98
A company receives a cease-and-desist order from its ISP regarding prohibited torrent activity. Which of the following should be implemented to comply with the cease-and-desist order?

A. Screened subnet
B. Content filtering
C. Perimeter network
D. MAC security

Answer: B

Explanation:
Content filtering can be used to block or restrict access to websites and services that facilitate torrenting and other prohibited activities. By implementing content filtering, the company can comply with the ISP's cease-and-desist order and prevent users from accessing torrent sites and engaging in prohibited activities.Reference: CompTIA Network+ study materials.

NEW QUESTION # 99
A company is hosting a secure that requires all connections to the server to be encrypted. A junior administrator needs to harded the web server. The following ports on the web server. The following ports on the web server are open:
Which of the following ports should be disabled?

A. 0
B. 1
C. 2
D. 3

Answer: C

Explanation:
For a web server that requires all connections to be encrypted, port 80 (HTTP) should be disabled. Port 80 is used for unencrypted web traffic, whereas port 443 is used for HTTPS, which provides encrypted communication.
Port 80 (HTTP): This port is used for unsecured web traffic. Disabling this port ensures that all web traffic must use HTTPS, which encrypts the data in transit.
Port 443 (HTTPS): This port is used for secure web traffic via SSL/TLS encryption. Keeping this port open ensures that secure connections can be made to the web server.
Other Ports:
Port 22: Used for SSH, providing secure remote access and file transfers.
Port 587: Used for secure email submission (SMTP) with encryption.
Network Reference:
CompTIA Network+ N10-007 Official Certification Guide: Discusses the roles and security implications of various ports and protocols.
Cisco Networking Academy: Provides training on secure web server configuration and port management.
Network+ Certification All-in-One Exam Guide: Covers port security and best practices for securing web servers.

NEW QUESTION # 100
A company has been added to an unapproved list because of spam. The network administrator confirmed that a workstation was infected by malware. Which of the following processes did the administrator use to identify the root cause?

A. Availability monitoring
B. Baseline metrics
C. Network discovery
D. Traffic analysis

Answer: D

Explanation:
Traffic analysis involves monitoring and inspecting network traffic flows to detect unusual patterns, such as a workstation sending large volumes of outbound SMTP (spam). This process enables identification of malware as the root cause.
B . Availability monitoring checks uptime but doesn't diagnose spam traffic.
C . Baseline metrics show normal usage but don't pinpoint infected hosts.
D . Network discovery identifies devices, not malicious traffic flows.
Reference (CompTIA Network+ N10-009):

NEW QUESTION # 101
Which of the following tools uses ICMP to help determine whether a network host is reachable?

A. tcpdump
B. nslookup
C. ping
D. netstat

Answer: C

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 # 102
A VoIP phone is plugged in to a port but cannot receive calls. Which of the following needs to be done on the port to address the issue?

A. Tag the traffic to voice VLAN.
B. Trunk all VLANs on the port.
C. Disable VLANs.
D. Configure the native VLAN.

Answer: A

Explanation:
Understanding VoIP and VLANs:
VoIP (Voice over IP) phones often use VLANs (Virtual Local Area Networks) to separate voice traffic from data traffic for improved performance and security.
Tagging Traffic to Voice VLAN:
Voice VLAN Configuration: The port on the switch needs to be configured to tag traffic for the specific voice VLAN. This ensures that voice packets are prioritized and handled correctly.
VLAN Tagging: VLAN tagging allows the switch to identify and separate voice traffic from other types of traffic on the network, reducing latency and jitter for VoIP communications.

NEW QUESTION # 103
......

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