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CompTIA N10-009 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and
Topic 3	OSI reference model concepts, Comparison of networking appliances, applications, and functions
Topic 4	Selection and configuration of wireless devices.
Topic 5	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 6	Cloud concepts and connectivity options, and Common networking ports.

CompTIA Network+ Certification Exam Sample Questions (Q134-Q139):

NEW QUESTION # 134
A network administrator for a small office is adding a passive IDS to its network switch for the purpose of inspecting network traffic. Which of the following should the administrator use?

A. Syslog collection
B. API integration
C. SNMP trap
D. Port mirroring

Answer: D

Explanation:
Port mirroring, also known as SPAN (Switched Port Analyzer), is used to send a copy of network packets seen on one switch port (or an entire VLAN) to another port where the IDS is connected. This allows the IDS to passively inspect network traffic without interfering with the actual traffic flow. Port mirroring is an essential feature for implementing IDS in a network for traffic analysis and security monitoring.References:CompTIA Network+ study materials.

NEW QUESTION # 135
An administrator is configuring a switch that will be placed in an area of the office that is accessible to customers. Which of the following is the best way for the administrator to mitigate unknown devices from connecting to the network?

A. Perimeter network
B. SSE
C. 802.1x
D. ACL

Answer: C

Explanation:
802.1x is a network access control protocol that provides an authentication mechanism to devices trying to connect to a LAN or WLAN. This ensures that only authorized devices can access the network, making it ideal for mitigating the risk of unknown devices connecting to the network, especially in accessible areas.
802.1x Authentication: Requires devices to authenticate using credentials (e.g., username and password, certificates) before gaining network access.
Access Control: Prevents unauthorized devices from connecting to the network, enhancing security in public or semi-public areas.
Implementation: Typically used in conjunction with a RADIUS server to manage authentication requests.

NEW QUESTION # 136
Users at a satellite office are experiencing issues when using videoconferencing. Which of the following should a technician focus on first to rectify these issues?

A. Network signal
B. Quality of service
C. Load balancing
D. Time to live

Answer: B

Explanation:
Quality of Service (QoS) is crucial for real-time services like video conferencing. It prioritizes voice and video packets over less critical traffic (like file downloads), reducing latency, jitter, and packet loss.
B: Network signal may apply to wireless, but it's not specific to video issues.
C: Time to live (TTL) affects packet lifespan, not performance or quality.
Doad balancing manages traffic across multiple paths but doesn't prioritize real-time traffic like QoS does.
# Reference:
CompTIA Network+ N10-009 Official Objectives: 3.6 - Explain the characteristics of network topologies and types.

NEW QUESTION # 137
Which of the following is the next step to take after successfully testing a root cause theory?

A. Present the theory for approval.
B. Determine resolution steps.
C. Implement the solution to the problem.
D. Duplicate the problem in a lab.

Answer: B

Explanation:
* Troubleshooting Methodology:
* Confirming the Root Cause: After testing and confirming the theory, the next logical step is to address the issue by implementing a solution.
* Implementation of the Solution:
* Resolve the Issue: Implement the identified solution to rectify the problem. This step involves
* making necessary changes to the network configuration, replacing faulty hardware, or applying software patches.
* Documentation: Document the solution and the steps taken to resolve the issue to provide a reference for future troubleshooting.
* Comparison with Other Steps:
* Determine Resolution Steps: This is part of the implementation process where specific actions are outlined, but the actual next step after testing is to implement those steps.
* Duplicate the Problem in a Lab: This step is typically done earlier in the troubleshooting process to understand the problem, not after confirming the root cause.
* Present the Theory for Approval: In some scenarios, presenting the theory might be necessary for major changes, but generally, once the root cause is confirmed, the solution should be implemented.
* Final Verification:
* After implementing the solution, it is important to verify that the issue is resolved and that normal operations are restored. This may involve monitoring the network and testing to ensure no further issues arise.
References:
* CompTIA Network+ study materials on troubleshooting methodologies and best practices.

NEW QUESTION # 138
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: A

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 References:
* 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 # 139
......

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N10-009 Reliable Exam Book - Latest N10-009 Material

Top N10-009 Reliable Exam Book Free PDF | Professional Latest N10-009 Material: CompTIA Network+ Certification Exam

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