N10-009 EXAMCOLLECTION QUESTIONS ANSWERS | EXAMCOLLECTION N10-009 QUESTIONS ANSWERS

N10-009 Examcollection Questions Answers | Examcollection N10-009 Questions Answers

N10-009 Examcollection Questions Answers | Examcollection N10-009 Questions Answers

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Tags: N10-009 Examcollection Questions Answers, Examcollection N10-009 Questions Answers, Valid N10-009 Study Guide, Dump N10-009 File, Test N10-009 Answers

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CompTIA N10-009 Dumps Get Success CompTIA N10-009 Minimal Effort

We are committed to providing our customers with the most up-to-date and accurate CompTIA N10-009 preparation material. That's why we offer free demos and up to 1 year of free CompTIA Dumps updates if the CompTIA N10-009 Certification Exam content changes after purchasing our product. With these offers, our customers can be assured that they have the latest and most reliable CompTIA Network+ Certification Exam (N10-009) preparation material.

CompTIA N10-009 Exam Syllabus Topics:

TopicDetails
Topic 1
  • OSI reference model concepts, Comparison of networking appliances, applications, and functions
Topic 2
  • Networking Concepts: For network administrators and IT support professionals, this domain covers
Topic 3
  • Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and

CompTIA Network+ Certification Exam Sample Questions (Q190-Q195):

NEW QUESTION # 190
Which of the following provides an opportunity for an on-path attack?

  • A. Evil twin
  • B. Dumpster diving
  • C. Phishing
  • D. Tailgating

Answer: A

Explanation:
Anevil twinis arogue Wi-Fi access pointthat mimics a legitimate network. Attackers use it tointercept and manipulate traffic, making it anon-path (formerly MITM) attackopportunity.
Breakdown of Options:
* A. Phishing- Tries tosteal credentialsthrough fake emails/websites but doesnot intercept network traffic.
* B. Dumpster diving- Involvesphysical security breaches,not network interception.
* C. Evil twin-#Correct answer.A rogueWi-Fi AP impersonates a real network, allowingtraffic interception.
* D. Tailgating- Involvesphysical access security,not network interception.


NEW QUESTION # 191
A user notifies a network administrator about losing access to a remote file server. The network administrator is able to ping the server and verifies the current firewall rules do not block access to the network fileshare. Which of the following tools wold help identify which ports are open on the remote file server?

  • A. nslookup
  • B. Tracert
  • C. Dig
  • D. Nmap

Answer: D

Explanation:
Nmap (Network Mapper) is a powerful network scanning tool used to discover hosts and services on a computer network. It can be used to identify which ports are open on a remote server, which can help diagnose access issues to services like a remote file server.
Port Scanning: Nmap can perform comprehensive port scans to determine which ports are open and what services are running on those ports.
Network Discovery: It provides detailed information about the host's operating system, service versions, and network configuration.
Security Audits: Besides troubleshooting, Nmap is also used for security auditing and identifying potential vulnerabilities.


NEW QUESTION # 192
A network engineer configures the network settings in a new server as follows:
* IP address = 192.163.1.15
* Subnet mask = 255.255.255.0
* Gateway = 192.163.1.255
The server can reach other hosts on the same subnet successfully, but it cannot reach hosts on different subnets. Which of the following is most likely configured incorrectly?

  • A. IP address
  • B. Default route
  • C. Subnet mask
  • D. Gateway

Answer: D

Explanation:
The default gateway for a network should bean IP address within the subnet, butnot the broadcast address
. In this case:
* IP: 192.163.1.15
* Subnet Mask: 255.255.255.0
* This means thenetwork rangeis: 192.163.1.0 - 192.163.1.255
* 192.163.1.255 is thebroadcast addressfor this subnet, so itcannot be used as a gateway.
Hence, the device fails to communicate outside its subnet because it's trying to use abroadcast addressas its gateway.
#The issue is clearly with thegateway configuration.


NEW QUESTION # 193
A network administrator configured a router interface as 10.0.0.95 255.255.255.240. The administrator discovers that the router is not routing packets to a web server with IP 10.0.0.81/28.
Which of the following is the best explanation?

  • A. The IP address space is a class A network.
  • B. The subnet is in a private address space.
  • C. The web server Is In a different subnet.
  • D. The router interface is a broadcast address.

Answer: D

Explanation:
Understanding Subnetting:
The subnet mask 255.255.255.240 (or /28) indicates that each subnet has 16 IP addresses (14 usable addresses, 1 network address, and 1 broadcast address).
Calculating the Subnet Range:
Subnet Calculation: For the IP address 10.0.0.95 with a /28 subnet mask:
Network address: 10.0.0.80
Usable IP range: 10.0.0.81 to 10.0.0.94
Broadcast address: 10.0.0.95
Router Interface Configuration:
Broadcast Address Issue: The IP address 10.0.0.95 is the broadcast address for the subnet
10.0.0.80/28. Configuring a router interface with the broadcast address will cause routing issues as it is not a valid host address.


NEW QUESTION # 194
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. Verify functionality.
  • B. Implement the solution.
  • C. Establish a theory.
  • D. Create a plan of action.

Answer: A

Explanation:
* Introduction to Troubleshooting Methodology:
* Network troubleshooting involves a systematic approach to identifying and resolving network issues. The CompTIA Network+ certification emphasizes a structured troubleshooting methodology.
* Troubleshooting Steps:
* Identify the problem: Gather information, identify symptoms, and question users.
* Establish a theory of probable cause: Consider possible reasons for the issue.
* Test the theory to determine cause: Validate the theory with tests.
* Establish a plan of action to resolve the problem and implement the solution: Create and
* execute a resolution plan.
* Verify functionality and implement preventive measures: Ensure the solution works and prevent recurrence.
* Verifying Functionality:
* After implementing a solution, verifying functionality ensures that the problem is fully resolved.
This involves testing the network to confirm that it operates correctly.
* Checking through each level of the OSI model helps to ensure that all potential issues at different layers (physical, data link, network, transport, session, presentation, and application) are addressed.
* Explanation of the Options:
* A. Establish a theory: This step involves hypothesizing possible causes, not verifying functionality.
* B. Implement the solution: This step involves executing the resolution plan.
* C. Create a plan of action: This step involves planning the resolution, not verification.
* D. Verify functionality: This step involves comprehensive checks, including OSI model layers, to ensure the issue is fully resolved.
* Conclusion:
* Verifying functionality is a critical step in the troubleshooting process, ensuring that the network operates correctly after a solution is implemented. It involves thorough testing across all OSI model layers.
References:
* CompTIA Network+ guide explaining the troubleshooting methodology and the importance of verifying functionality (see page Ref 9fBasic Configuration Commands).


NEW QUESTION # 195
......

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