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CompTIA N10-009 Exam Syllabus Topics:

Topic
Details

Topic 1

Cloud concepts and connectivity options, and Common networking ports.

Topic 2

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

Topic 3

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.

CompTIA Network+ Certification Exam Sample Questions (Q199-Q204):

NEW QUESTION # 199
A technician is troubleshooting a computer issue for a user who works in a new annex of an office building. The user is reporting slow speeds and intermittent connectivity. The computer is connected via a Cat 6 cable to a distribution switch that is 492ft (150m) away. Which of the following should the technician implement to correct the issue?

A. Enable the computer to support jumbo frames.
B. Increase the bandwidth allocation to the computer.
C. Install an access switch in the annex and run fiber to the distribution switch.
D. Run a Cat 7 cable from the computer to the distribution switch.

Answer: C

Explanation:
The maximum recommended length for Ethernet cable runs is 100 meters (328 feet). At 150 meters, the Cat 6 cable is too long, causing signal degradation and connectivity issues. Running fiber from the distribution switch to an access switch in the annex will allow for reliable connectivity over longer distances, as fiber can cover greater distances without signal loss.

NEW QUESTION # 200
A network administrator wants to implement security zones in the corporate network to control access to only individuals inside of the corporation. Which of the following security zones is the best solution?

A. Extranet
B. Trusted
C. VPN
D. Public

Answer: B

Explanation:
* Introduction to Security Zones:
* Security zones are logical segments within a network designed to enforce security policies and control access. They help in segregating and securing different parts of the network.
* Types of Security Zones:
* Trusted Zone: This is the most secure zone, typically used for internal corporate networks where only trusted users have access.
* Extranet: This zone allows controlled access to external partners, vendors, or customers.
* VPN (Virtual Private Network): While VPNs are used to create secure connections over the internet, they are not a security zone themselves.
* Public Zone: This zone is the least secure and is typically used for public-facing services accessible by anyone.
* Trusted Zone Implementation:
* The trusted zone is configured to include internal corporate users and resources. Access controls, firewalls, and other security measures ensure that only authorized personnel can access this zone.
* Internal network segments, such as the finance department, HR, and other critical functions, are usually placed in the trusted zone.
* Example Configuration:
* Firewall Rules: Set up rules to allow traffic only from internal IP addresses.
* Access Control Lists (ACLs): Implement ACLs on routers and switches to restrict access based on IP addresses and other criteria.
* Segmentation: Use VLANs and subnetting to segment and isolate the trusted zone from other zones.
* Explanation of the Options:
* A. Extranet: Suitable for external partners, not for internal-only access.
* B. Trusted: The correct answer, as it provides controlled access to internal corporate users.
* C. VPN: A method for secure remote access, not a security zone itself.
* D. Public: Suitable for public access, not for internal corporate users.
* Conclusion:
* Implementing a trusted zone is the best solution for controlling access within a corporate network. It ensures that only trusted internal users can access sensitive resources, enhancing network security.
References:
* CompTIA Network+ guide detailing security zones and their implementation in a corporate network (see page Ref 9†Basic Configuration Commands).

NEW QUESTION # 201
A network technician was recently onboarded to a company. A manager has tasked the technician with documenting the network and has provided the technician With partial information from previous documentation.
Instructions:
Click on each switch to perform a network discovery by entering commands into the terminal. Fill in the missing information using drop-down menus provided.

Answer:

Explanation:
See the Explanation for detailed information on this simulation.
Explanation:
(Note: Ips will be change on each simulation task, so we have given example answer for the understanding) To perform a network discovery by entering commands into the terminal, you can use the following steps:
* Click on each switch to open its terminal window.
* Enter the command show ip interface brief to display the IP addresses and statuses of the switch interfaces.
* Enter the command show vlan brief to display the VLAN configurations and assignments of the switch interfaces.
* Enter the command show cdp neighbors to display the information about the neighboring devices that are connected to the switch.
* Fill in the missing information in the diagram using the drop-down menus provided.
Here is an example of how to fill in the missing information for Core Switch 1:
* The IP address of Core Switch 1 is 192.168.1.1.
* The VLAN configuration of Core Switch 1 is VLAN 1: 192.168.1.0/24, VLAN 2: 192.168.2.0/24, VLAN 3: 192.168.3.0/24.
* The neighboring devices of Core Switch 1 are Access Switch 1 and Access Switch 2.
* The interfaces that connect Core Switch 1 to Access Switch 1 are GigabitEthernet0/1 and GigabitEthernet0/2.
* The interfaces that connect Core Switch 1 to Access Switch 2 are GigabitEthernet0/3 and GigabitEthernet0/4.
You can use the same steps to fill in the missing information for Access Switch 1 and Access Switch 2.

NEW QUESTION # 202
A critical infrastructure switch is identified as end-of-support. Which of the following is the best next step to ensure security?

A. Decommission and replace the switch.
B. Isolate the switch from the network.
C. Ensure the current firmware has no issues.
D. Apply the latest patches and bug fixes.

Answer: A

Explanation:
* Understanding End-of-Support:
* End-of-Support Status:When a vendor declares a device as end-of-support, it means the device will no longer receive updates, patches, or technical support. This poses a security risk as new vulnerabilities will not be addressed.
* Risks of Keeping an End-of-Support Device:
* Security Vulnerabilities:Without updates, the switch becomes susceptible to new security threats.
* Compliance Issues:Many regulatory frameworks require that critical infrastructure be maintained with supported and secure hardware.
* Best Next Step - Replacement:
* Decommission and Replace:The most secure approach is to replace the end-of-support switch with a new, supported model. This ensures the infrastructure remains secure and compliant with current standards.
* Planning and Execution:Plan for the replacement by evaluating the network's needs, selecting a suitable replacement switch, and scheduling downtime for the hardware swap.
* Comparison with Other Options:
* Apply the Latest Patches:While helpful, this does not address future vulnerabilities since no further patches will be provided.
* Ensure the Current Firmware Has No Issues:This is only a temporary measure and does not mitigate future risks.
* Isolate the Switch from the Network:Isolating the switch may disrupt network operations and is not a viable long-term solution.
References:
* CompTIA Network+ study materials on network maintenance and security best practices.

NEW QUESTION # 203
After changes were made to a firewall, users are no longer able to access a web server. A network administrator wants to ensure that ports 80 and 443 on the web server are still accessible from the user IP space. Which of the following commands is best suited to perfom this testing?

A. Ping
B. Dig
C. nmap
D. Ifconfig

Answer: C

NEW QUESTION # 204
......

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