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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Network+ Certification Exam |
| Exam Number: | N10-009 |
| Passing Score: | 720 (on a scale of 100-900) |
| Exam Duration: | 90 minutes |
| Exam Price: | $369 USD |
| Certificate Validity Period: | 3 years |
| Related Certifications: | CompTIA Network+ |
| Available Languages: | German, English, Japanese, Spanish, Portuguese |
| Real Exam Qty: | Maximum 90 |
| Exam Format: | Performance-based, Multiple-choice |
| 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/ |
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NEW QUESTION # 96
Which of the following is the next step to take after successfully testing a root cause theory?
Answer: B
Explanation:
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.
Reference:
CompTIA Network+ study materials on troubleshooting methodologies and best practices.
NEW QUESTION # 97
A network engineer needs to prioritize traffic over a link with the goal of more effectively utilizing the connection. Which of the following should the engineer implement?
Answer: D
Explanation:
Quality of Service allows the engineer to classify and prioritize traffic, ensuring important data is transmitted first and the link is used efficiently.
NEW QUESTION # 98
Which of the following devices can operate in multiple layers of the OSI model?
Answer: A
Explanation:
Understanding Switches:
Layer 2 (Data Link Layer): Traditional switches operate primarily at Layer 2, where they use MAC addresses to forward frames within a local network.
Layer 3 (Network Layer): Layer 3 switches, also known as multilayer switches, can perform routing functions using IP addresses to forward packets between different networks.
Capabilities of Multilayer Switches:
VLANs and Inter-VLAN Routing: Multilayer switches can handle VLAN (Virtual Local Area Network) configurations and perform inter-VLAN routing, enabling communication between different VLANs.
Routing Protocols: They can run routing protocols like OSPF (Open Shortest Path First) and EIGRP (Enhanced Interior Gateway Routing Protocol) to manage traffic between networks.
NEW QUESTION # 99
An organization wants better network visibility. The organization's requirements include:
Multivendor/OS-monitoring capabilities
Real-time collection
Data correlation
Which of the following meets these requirements?
Answer: C
Explanation:
A Security Information and Event Management (SIEM) system collects, correlates, and analyzes logs from multiple sources in real-time, providing enhanced visibility across multivendor environments.
Breakdown of Options:
A: SNMP - SNMP is used for network device monitoring, but it lacks real-time correlation across multiple vendors.
B: SIEM - Correct answer. SIEM aggregates, analyzes, and correlates logs from multiple sources, providing real-time visibility.
C: Nmap - Nmap is a network scanning tool used for mapping hosts and detecting open ports but does not provide log correlation.
D: Syslog - Syslog collects logs but does not correlate or analyze them in real-time.
Reference:
CompTIA Network+ (N10-009) Official Study Guide - Domain 3.3: Explain network security concepts.
NIST Special Publication 800-92: Guide to Computer Security Log Management
NEW QUESTION # 100
Which of the following ports should a network administrator enable for encrypted login to a network switch?
Answer: A
Explanation:
Port 22 is used for Secure Shell (SSH), which enables encrypted remote login and command execution on network devices.
* Port 23 = Telnet (unencrypted)
* Port 80 = HTTP
* Port 123 = NTP
From Andrew Ramdayal's guide:
"SSH uses port 22 to provide secure command-line access to devices such as switches and routers. Unlike Telnet (port 23), SSH encrypts session traffic, making it the preferred method for remote administration."
NEW QUESTION # 101
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