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Getcertkey offers verified, authentic CompTIA N10-009 Real Questions and answers, which are essential for passing the CompTIA Network+ Certification Exam (N10-009). These questions and answers have been designed by Sitecore experts and can be easily downloaded on a PC, MacBook, or smartphone for comfortable and convenient learning.
| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Network+ Certification Exam |
| Exam Number: | N10-009 |
| Exam Format: | Multiple-choice, Performance-based questions |
| Certificate Validity Period: | 3 years |
| Exam Price: | $369 USD |
| Real Exam Qty: | Up to 90 |
| Available Languages: | English, Spanish, Japanese, Portuguese, German |
| Exam Duration: | 90 minutes |
| Passing Score: | 720 (scale 100โ900) |
| Related Certifications: | CompTIA Server+ CompTIA Cloud+ CompTIA Security+ CompTIA A+ |
| Recommended Training: | CompTIA Study Materials CompTIA Official Training |
| Exam Registration: | Pearson VUE Exam Scheduling CompTIA Official Registration |
| Sample Questions: | CompTIA N10-009 Sample Questions |
| Exam Way: | Online remote proctored or onsite at authorized Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended: CompTIA A+ certification and 9โ12 months of hands-on networking experience |
| Official Syllabus URL: | https://www.comptia.org/en-us/certifications/network/ |
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NEW QUESTION # 12
A network administrator receives a ticket from a user. The user reports that they cannot access any websites and that they have already checked everything on their computer. Which of the following is the first action the administrator should take?
Answer: A
Explanation:
The correct answer is Question the user because the first step in the CompTIA Network+ (N10-009) troubleshooting methodology is to identify the problem. Identifying the problem involves gathering information, asking clarifying questions, determining if anything has changed, and establishing the scope of the issue.
Even though the user states they have "checked everything," the administrator should not assume that all relevant troubleshooting steps were properly performed. The technician must ask specific questions such as:
Are other users affected? Is the issue limited to certain websites? Are there any error messages? When did the issue start? Were there recent updates or configuration changes?
Only after gathering sufficient information should the administrator move to the next steps, such as establishing a theory of probable cause (Option B) or using divide-and-conquer methods (Option A).
Documentation (Option D) occurs after resolving and verifying the issue.
Therefore, questioning the user to clearly define and scope the problem is the correct first action according to the structured troubleshooting process.
NEW QUESTION # 13
A user's home mesh wireless network is experiencing latency issues. A technician has:
- Performed a speed test.
- Rebooted the devices.
- Performed a site survey.
- Performed a wireless packet capture.
The technician reviews the following information:
The technician notices in the packet capture that frames were retransmitted. Which of the following is the most likely cause of the user's network issue?
Answer: D
Explanation:
Too much overlap on the same channel (all devices on channel 11) causes interference, leading to retransmissions and high latency.
NEW QUESTION # 14
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:
Explanation:
A computer network diagram with many boxes and text AI-generated content may be incorrect.
NEW QUESTION # 15
A network administrator recently configured an autonomous wireless AP and performed a throughput test via comptiaspeedtester.com. The result was 75 Mbps. When connected to other APs, the results reached 500 Mbps. Which of the following is most likely the reason for this difference?
Answer: D
Explanation:
The channel width (20 MHz vs. 40 MHz vs. 80 MHz) directly impacts Wi-Fi throughput. If the AP is configured with a narrow channel width (e.g., 20 MHz), maximum data rates will be significantly lower than other APs using wider channels (e.g., 80 MHz). This matches the scenario where one AP achieves only ~75 Mbps, while others reach 500 Mbps.
* B. DNS issues affect name resolution, not raw throughput.
* C. Authentication failure would prevent connection, not reduce throughput.
* D. DHCP issues would prevent obtaining an IP, not cause slower speeds.
References (CompTIA Network+ N10-009):
* Domain: Network Troubleshooting - Wireless throughput issues, channel width configuration.
NEW QUESTION # 16
A Linux server is running a log collector that needs to be hardened. A network administrator executes netstat to find open ports on the server. Which of the following ports should be disabled?
Answer: B
Explanation:
Comprehensive and Detailed Explanation (aligned to N10-009):
For a log collector server, the primary needed service is Syslog, which typically uses UDP port 514. Other ports may be open for management (e.g., 22 for SSH) or SNMP traps (162) if integrated. However, port 80 (HTTP) should not be open unless required, as it increases attack surface and does not directly serve the log collection purpose. Disabling it hardens the server.
A . 22 (SSH) is needed for secure management.
C . 162 (SNMP trap) may be required for monitoring/log correlation.
D . 514 (Syslog) is essential for log collection.
NEW QUESTION # 17
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