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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Network+ Certification Exam |
| Exam Number: | N10-009 |
| Related Certifications: | CompTIA Network+ |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple-choice, Performance-based |
| Real Exam Qty: | Maximum 90 |
| Available Languages: | German, Spanish, English, Portuguese, Japanese |
| Passing Score: | 720 (on a scale of 100-900) |
| Exam Price: | $369 USD |
| Certificate Validity Period: | 3 years |
| Sample Questions: | CompTIA N10-009 Sample Questions |
| Exam Way: | Online or in-person testing at Pearson VUE test centers. |
| Pre Condition: | CompTIA recommends A+ certification and 9-12 months of networking experience. |
| Official Syllabus URL: | https://www.comptia.org/en/certifications/network/ |
>> Latest N10-009 Study Notes <<
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NEW QUESTION # 509
A technician is troubleshooting a computer issue for a user who works in a new annex of an office building. The user is reporting slow speeds and intermittent connectivity. The computer is connected via a Cat 6 cable to a distribution switch that is 492ft (150m) away.
Which of the following should the technician implement to correct the issue?
Answer: A
Explanation:
The maximum recommended length for Ethernet cable runs is 100 meters (328 feet). At 150 meters, the Cat 6 cable is too long, causing signal degradation and connectivity issues. Running fiber from the distribution switch to an access switch in the annex will allow for reliable connectivity over longer distances, as fiber can cover greater distances without signal loss.
NEW QUESTION # 510
SIMULATION
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 # 511
A network engineer receives a vendor alert regarding a vulnerability in a router CPU. Which of the following should the engineer do to resolve the issue?
Answer: B
Explanation:
Understanding the Vulnerability:
Vulnerabilities in the router CPU can be exploited to cause performance degradation, unauthorized access, or other security issues.
Firmware Update:
Firmware Role: The firmware is low-level software that controls the hardware of a device. Updating the firmware can address vulnerabilities by providing patches and enhancements from the manufacturer.
Procedure: Download the latest firmware from the vendor's website, follow the manufacturer's instructions to apply the update, and verify that the update resolves the vulnerability.
Comparison with Other Options:
Replace the System Board: This is a costly and often unnecessary step if the issue can be resolved with a firmware update.
Patch the OS: Patching the OS is relevant for devices with a full operating system but not directly applicable to addressing a CPU vulnerability on a router.
Isolate the System: Temporarily isolating the system can mitigate immediate risk but does not resolve the underlying vulnerability.
Best Practice:
Regularly check for and apply firmware updates to ensure that network devices are protected against known vulnerabilities.
Reference:
CompTIA Network+ study materials on network security and device management.
NEW QUESTION # 512
After a hospital installs a new set of IoT devices that leverage the existing nurses' station's wireless network, nurses complain that the IoT devices are experiencing intermittent connectivity issues. A network engineer receives the following information:
Which of the following is most likely causing the performance issue?
Answer: D
Explanation:
In the 2.4GHz band, the standard non-overlapping 20MHz channels are 1, 6, and 11. Using channel 5 for the IoT network overlaps with the nurses' station network on channel 1, causing interference and intermittent connectivity.
NEW QUESTION # 513
A network administrator needs to deploy a subnet using an IP address range that can support at least 260 devices with the fewest wasted addresses. Which of the following subnets should the administrator use?
Answer: C
Explanation:
To support at least 260 hosts, you need at least 512 total IP addresses (accounting for network/broadcast overhead).
/23 (255.255.254.0) gives 510 usable IPs, ideal for 260 devices with minimal waste.
/24 (255.255.255.0) gives only 254 usable -- not enough.
/22 (1022 usable) and /21 (2046 usable) would work but result in significant address waste.
NEW QUESTION # 514
......
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