N10-009 NEW STUDY PLAN, N10-009 LEAD2PASS REVIEW

N10-009 New Study Plan, N10-009 Lead2pass Review

N10-009 New Study Plan, N10-009 Lead2pass Review

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Tags: N10-009 New Study Plan, N10-009 Lead2pass Review, N10-009 Reliable Test Labs, N10-009 Online Version, N10-009 Actualtest

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CompTIA N10-009 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 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

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CompTIA Network+ Certification Exam Sample Questions (Q127-Q132):

NEW QUESTION # 127
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. Perimeter network
  • C. Content filtering
  • D. MAC security

Answer: C

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 # 128
A network technician needs to resolve some issues with a customer's SOHO network. The customer reports that some of the PCs are not connecting to the network, while others appear to be working as intended.
INSTRUCTIONS
Troubleshoot all the network components.
Review the cable test results first, then diagnose by clicking on the appropriate PC, server, and Layer 2 switch.
Identify any components with a problem and recommend a solution to correct each problem.
If at any time you would like to bring back
the initial state of the simulation, please
click the Reset All button.









Answer:

Explanation:
See the answer and solution below:


NEW QUESTION # 129
Which of the following IP transmission types encrypts all of the transmitted data?

  • A. AH
  • B. ESP
  • C. TC
  • D. UDP
  • E. GRE

Answer: B

Explanation:
P
Explanation:
Definition of ESP (Encapsulating Security Payload):
ESP is a part of the IPsec protocol suite used to provide confidentiality, integrity, and authenticity of data. ESP encrypts the payload and optional ESP trailer, providing data confidentiality.
ESP Functionality:
ESP can encrypt the entire IP packet, ensuring that the data within the packet is secure from interception or eavesdropping. It also provides options for data integrity and authentication.
ESP operates in two modes: transport mode (encrypts only the payload of the IP packet) and tunnel mode (encrypts the entire IP packet).
Comparison with Other Protocols:
AH (Authentication Header): Provides data integrity and authentication but does not encrypt the payload.
GRE (Generic Routing Encapsulation): A tunneling protocol that does not provide encryption.
UDP (User Datagram Protocol) and TCP (Transmission Control Protocol): These are transport layer protocols that do not inherently provide encryption. Encryption must be provided by additional protocols like TLS/SSL.
Use Cases:
ESP is widely used in VPNs (Virtual Private Networks) to ensure secure communication over untrusted networks like the internet.
Reference:
CompTIA Network+ study materials on IPsec and encryption.


NEW QUESTION # 130
Which of the following steps of the troubleshooting methodology would most likely include checking through each level of the OSI model after the problem has been identified?

  • A. Verify functionality.
  • B. Implement the solution.
  • C. Establish a theory.
  • D. Create a plan of action.

Answer: A

Explanation:
Introduction to Troubleshooting Methodology:
Network troubleshooting involves a systematic approach to identifying and resolving network issues. The CompTIA Network+ certification emphasizes a structured troubleshooting methodology.
Troubleshooting Steps:
Identify the problem: Gather information, identify symptoms, and question users.
Establish a theory of probable cause: Consider possible reasons for the issue.
Test the theory to determine cause: Validate the theory with tests.
Establish a plan of action to resolve the problem and implement the solution: Create and execute a resolution plan.
Verify functionality and implement preventive measures: Ensure the solution works and prevent recurrence.
Verifying Functionality:
After implementing a solution, verifying functionality ensures that the problem is fully resolved. This involves testing the network to confirm that it operates correctly.
Checking through each level of the OSI model helps to ensure that all potential issues at different layers (physical, data link, network, transport, session, presentation, and application) are addressed.
Explanation of the Options:
A . Establish a theory: This step involves hypothesizing possible causes, not verifying functionality.
B . Implement the solution: This step involves executing the resolution plan.
C . Create a plan of action: This step involves planning the resolution, not verification.
D . Verify functionality: This step involves comprehensive checks, including OSI model layers, to ensure the issue is fully resolved.
Conclusion:
Verifying functionality is a critical step in the troubleshooting process, ensuring that the network operates correctly after a solution is implemented. It involves thorough testing across all OSI model layers.
Reference:
CompTIA Network+ guide explaining the troubleshooting methodology and the importance of verifying functionality (see page Ref 9fBasic Configuration Commands).


NEW QUESTION # 131
A critical infrastructure switch is identified as end-of-support. Which of the following is the best next step to ensure security?

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

Answer: C

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.
Reference:
CompTIA Network+ study materials on network maintenance and security best practices.


NEW QUESTION # 132
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