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Fast2test는CompTIA N10-009시험을 패스할 수 있는 아주 좋은 사이트입니다. Fast2test은 아주 알맞게 최고의CompTIA N10-009시험문제와 답 내용을 만들어 냅니다. 덤프는 기존의 시험문제와 답과 시험문제분석 등입니다. Fast2test에서 제공하는CompTIA N10-009시험자료의 문제와 답은 실제시험의 문제와 답과 아주 비슷합니다.
질문 # 19
A network engineer is deploying switches at a new remote office. The switches have been preconfigured with hostnames and STP priority values. Based on the following table:
Switch Name
Priority
core-sw01
24576
access-sw01
28672
distribution-sw01
32768
access-sw02
36864
Which of the following switches will become the root bridge?
정답：A
설명：
The switch with the lowest STP priority becomes the root bridge.In the given table, core-sw01 has the lowest priority value of 24576. Therefore, it will be elected as the root bridge in the Spanning Tree Protocol topology.
Reference:
질문 # 20
Which of the following is the next step to take after successfully testing a root cause theory?
정답：B
설명：
* 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.
질문 # 21
Which of the following should a network engineer check to verify that updates are still being released for a device?
정답：C
설명：
The correct answer is B. EOL documentation . If a network engineer wants to confirm whether a device is still receiving updates, patches, or vendor support, the first thing to review is the vendor's End-of-Life (EOL) and often related End-of-Support (EOS) documentation. These documents show whether the device is still actively supported, whether firmware and security updates are still being issued, and when that support is scheduled to stop.
This is important in network operations because devices that are no longer supported can become security risks and operational liabilities. Once a vendor declares a product end-of-life or end-of-support, future bug fixes, feature releases, and security updates may no longer be available. That directly affects patch management, lifecycle planning, and risk assessment.
The other choices do not answer the question as directly. A baseline configuration shows the intended device settings, not the support status. Asset inventory licensing helps track ownership, software entitlements, or subscriptions, but it does not prove that updates are still being released. Software development life cycle refers to the process of building software, not the support state of a deployed network device.
For Network+ exam purposes, when the question asks whether updates are still being released, the best source is the vendor's EOL documentation .
질문 # 22
A network technician installs a new 19.7ft (6m), Cat 6, UTP cable for the connection between a server and a switch. Communication to the server is degraded, and the NIC statistics show dropped packets and CRC errors. Which of the following cables would the technician most likely use instead to reduce the errors?
정답：A
설명：
The errors described -- dropped packets and CRC (Cyclic Redundancy Check) errors -- often indicate electromagnetic interference (EMI) on unshielded twisted pair (UTP) cabling. The correct replacement is STP (Shielded Twisted Pair), which has shielding that protects signals from external interference, ensuring better reliability in noisy environments such as data centers or near heavy electrical equipment.
질문 # 23
Which of the following ports is used to transfer data between mail exchange servers?
정답：C
설명：
Port 25 is used by SMTP for server-to-server email transfer between mail exchange servers.
질문 # 24
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참고: Fast2test에서 Google Drive로 공유하는 무료 2026 CompTIA N10-009 시험 문제집이 있습니다: https://drive.google.com/open?id=1nbPDez17PbmX-SZiUTCVdrFnhi2gOxQ5