N10-009參考資料，N10-009考試心得

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N10-009參考資料, N10-009考試心得, N10-009證照考試, N10-009考題資源, N10-009熱門考古題

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CompTIA N10-009 考試大綱：

主題 簡介
主題 1
  • Selection and configuration of wireless devices.
主題 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.
主題 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.

>> N10-009參考資料 <<

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最新的 CompTIA Network+ N10-009 免費考試真題 (Q93-Q98):

問題 #93
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 voice VLAN
  • B. With too many VLANs
  • C. With a native VLAN
  • D. With a default VLAN

答案：A

解題說明：
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.


問題 #94
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. Implement the solution.
  • B. Verify functionality.
  • C. Establish a theory.
  • D. Create a plan of action.

答案：C

解題說明：
The CompTIA troubleshooting methodology includes steps like identifying the problem, establishing a theory of probable cause, testing the theory, creating a plan of action, implementing the solution, verifying functionality, and documenting findings. Establishing a theory involves analyzing the problem and considering possible causes, often by systematically checking each level of the OSI model (Physical, Data Link, Network, etc.) to pinpoint the root cause.
Why not Implement the solution? This step involves applying the fix, not analyzing the OSI model.
Why not Create a plan of action? This step focuses on planning the solution, not diagnosing the cause.
Why not Verify functionality? This step confirms the solution worked, not analyzing the OSI model.
Reference:CompTIA Network+ N10-009 Objective 5.2: Explain the troubleshooting methodology. The CompTIA Network+ Study Guide (e.g., Chapter 13: Network Troubleshooting) details the troubleshooting steps, noting that establishing a theory often involves using the OSI model to systematically identify the cause of network issues.


問題 #95
A network technician is troubleshooting network latency and has determined the issue to be occuring two network switches( Switch10 and Switch11). Symptoms reported included poor video performance and slow file copying. Given the following informtion:

Which of the following should the technician most likely do to resolve the issue?

  • A. Change the native VLAN on the ports.
  • B. Modify Switch10 MTU value to 1500.
  • C. Configure STP on both switches.
  • D. Disable automatic negotiation on Switch11.

答案：B


問題 #96
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?

  • A. Plenum cable
  • B. Coaxial cable
  • C. 9.8ft (3m) cable
  • D. STP cable

答案：D

解題說明：
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.
A). Coaxial is not used for modern Ethernet server-switch links.
B). Shorter UTP cable does not solve EMI issues.
C). Plenum cable refers to cable jacket type for fire safety, not electrical shielding.
STP cabling reduces interference and ensures reliable gigabit+ Ethernet connections between servers and switches.
References (CompTIA Network+ N10-009):
Domain: Network Troubleshooting - Cabling issues, UTP vs. STP, EMI.


問題 #97
Which of the following is the most appropriate solution to verify credentials?

  • A. MFA
  • B. Role-based access control
  • C. ACL
  • D. Least privilege

答案：A

解題說明：
Multifactor authentication verifies credentials by requiring more than one authentication factor, such as something the user knows and something the user has, which strengthens identity validation before access is granted.


問題 #98
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