N10-009 Exam Preparation - Latest N10-009 Exam Materials

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

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Latest N10-009 Exam Materials - Dumps N10-009 Guide

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CompTIA Network+ Certification Exam Sample Questions (Q78-Q83):

NEW QUESTION # 78
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. VPN
C. Trusted
D. Public

Answer: C

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 # 79
Which of the following disaster recovery metrics is used to describe the amount of data that is lost since the last backup?

A. MTBF
B. RTO
C. MTTR
D. RPO

Answer: D

Explanation:
* Definition of RPO:
* Recovery Point Objective (RPO) is a disaster recovery metric that describes the maximum acceptable amount of data loss measured in time. It indicates the point in time to which data must be recovered to resume normal operations after a disaster.
* For example, if the RPO is set to 24 hours, then the business could tolerate losing up to 24 hours' worth of data in the event of a disruption.
* Why RPO is Important:
* RPO is critical for determining backup frequency and helps businesses decide how often they need to back up their data. A lower RPO means more frequent backups and less potential data loss.
* Comparison with Other Metrics:
* MTTR (Mean Time to Repair): Refers to the average time required to repair a system or component and return it to normal operation.
* RTO (Recovery Time Objective): The maximum acceptable length of time that a computer, system, network, or application can be down after a failure or disaster occurs.
* MTBF (Mean Time Between Failures): The predicted elapsed time between inherent failures of a system during operation.
* How RPO is Used in Disaster Recovery:
* Organizations establish RPOs to ensure that they can recover data within a timeframe that is acceptable to business operations. This involves creating a backup plan that meets the RPO requirements.
References:
* CompTIA Network+ study materials and certification guides.

NEW QUESTION # 80
A network engineer wants to implement a new IDS between the switch and a router connected to the LAN.
The engineer does not want to introduce any latency by placing the IDS in line with the gateway. The engineer does want to ensure that the IDS sees all packets without any loss. Which of the following is the best way for the engineer to implement the IDS?

A. Use a network tap.
B. Use a port mirror.
C. Use a protocol analyzer.
D. Use Nmap software.

Answer: B

NEW QUESTION # 81
A network technician is examining the configuration on an access port and notices more than one VLAN has been set. Which of the following best describes how the port is configured?

A. With a native VLAN
B. With a voice VLAN
C. With too many VLANs
D. With a default VLAN

Answer: B

Explanation:
It is common for an access port to have both a voice VLAN and a data VLAN. A voice VLAN separates voice traffic from regular data traffic, ensuring better quality and security for voice communications.

NEW QUESTION # 82
Which of the following is a characteristic of the application layer?

A. It relies upon other layers for packet delivery.
OB. It checks independently for packet loss.
B. It performs address translation.
C. It encrypts data in transit.

Answer: A

Explanation:
* Introduction to OSI Model:
* The OSI model is a conceptual framework used to understand network interactions in seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
* Application Layer:
* The application layer (Layer 7) is the topmost layer in the OSI model. It provides network services directly to end-user applications. This layer facilitates communication between software applications and lower layers of the network protocol stack.
* Reliance on Other Layers:
* The application layer relies on the transport layer (Layer 4) for data transfer across the network.
The transport layer ensures reliable data delivery through protocols like TCP and UDP.
* The network layer (Layer 3) is responsible for routing packets to their destination.
* The data link layer (Layer 2) handles node-to-node data transfer and error detection.
* The physical layer (Layer 1) deals with the physical connection between devices.
* Explanation of the Options:
* A. It relies upon other layers for packet delivery: This is correct. The application layer depends on the lower layers (transport, network, data link, and physical) for the actual delivery of data packets.
* B. It checks independently for packet loss: This is incorrect. Packet loss detection is typically handled by the transport layer (e.g., TCP).
* C. It encrypts data in transit: This is incorrect. Encryption is typically handled by the presentation layer or at the transport layer (e.g., TLS/SSL).
* D. It performs address translation: This is incorrect. Address translation is performed by the network layer (e.g., NAT).
* Conclusion:
* The application layer's primary role is to interface with the end-user applications and ensure that data is correctly presented to the user. It relies on the underlying layers to manage the actual data transport and delivery processes.
References:
* CompTIA Network+ guide covering the OSI model and the specific roles and functions of each layer (see page Ref 10fHow to Use Cisco Packet Tracer).

NEW QUESTION # 83
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N10-009 Exam Preparation - Latest N10-009 Exam Materials

CompTIA N10-009 Exam Syllabus Topics:

Latest N10-009 Exam Materials - Dumps N10-009 Guide

CompTIA Network+ Certification Exam Sample Questions (Q78-Q83):

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