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[General] Valid CompTIA N10-009 Exam Papers - Reliable N10-009 Exam Preparation

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【General】 Valid CompTIA N10-009 Exam Papers - Reliable N10-009 Exam Preparation

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CompTIA N10-009 Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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.
Topic 2
  • Selection and configuration of wireless devices.
Topic 3
  • 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.

CompTIA Network+ Certification Exam Sample Questions (Q440-Q445):NEW QUESTION # 440
Which of the following services runs on port 636?
  • A. TFTP
  • B. Syslog
  • C. SMTP
  • D. LDAPS
Answer: D
Explanation:
LDAP over SSL (LDAPS) uses port 636 to provide secure, encrypted authentication for directory services.
Breakdown of Options:
A: SMTP (Simple Mail Transfer Protocol) - Uses port 25, not 636.
B: Syslog - Uses port 514 (UDP), not 636.
C: TFTP (Trivial File Transfer Protocol) - Uses port 69 (UDP), not 636.
D: LDAPS (Lightweight Directory Access Protocol Secure) - # Correct answer. Uses port 636 for secure directory authentication.
Reference:
CompTIA Network+ (N10-009) Official Study Guide - Domain 3.1: Compare and contrast network protocols.
RFC 4511: Lightweight Directory Access Protocol (LDAP)

NEW QUESTION # 441
A network administrator needs to assign IP addresses to a newly installed network. They choose 192.168.1.0/24 as their network address and need to create three subnets with 30 hosts on each subnet. Which of the following is a valid subnet mask that will meet the requirements?
  • A. 255.255.255.224
  • B. 255.255.255.192
  • C. 255.255.255.240
  • D. 255.255.255.128
Answer: B
Explanation:
To create three subnets with at least 30 hosts each:
Subnet Calculation: Each subnet must support 32 addresses (30 usable + 2 reserved for network and broadcast).
Bits for Subnets: Subnet mask 255.255.255.192 (/26) provides 64 addresses per subnet (4 subnets total).
Valid Subnets: Each subnet provides sufficient IPs to meet the requirement.
255.255.255.128 (A): Creates only 2 subnets, not enough for the requirement.
255.255.255.224 (C): Provides 8 subnets but only 30 addresses per subnet (28 usable), insufficient for hosts.
255.255.255.240 (D): Too restrictive, only 16 addresses per subnet (14 usable).

NEW QUESTION # 442
A company is hosting a secure that requires all connections to the server to be encrypted. A junior administrator needs to harded the web server. The following ports on the web server. The following ports on the web server are open:

Which of the following ports should be disabled?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Answer: C
Explanation:
For a web server that requires all connections to be encrypted, port 80 (HTTP) should be disabled. Port 80 is used for unencrypted web traffic, whereas port 443 is used for HTTPS, which provides encrypted communication.
* Port 80 (HTTP): This port is used for unsecured web traffic. Disabling this port ensures that all web traffic must use HTTPS, which encrypts the data in transit.
* Port 443 (HTTPS): This port is used for secure web traffic via SSL/TLS encryption. Keeping this port open ensures that secure connections can be made to the web server.
* Other Ports:
* Port 22: Used for SSH, providing secure remote access and file transfers.
* Port 587: Used for secure email submission (SMTP) with encryption.
Network References:
* CompTIA Network+ N10-007 Official Certification Guide: Discusses the roles and security implications of various ports and protocols.
* Cisco Networking Academy: Provides training on secure web server configuration and port management.
* Network+ Certification All-in-One Exam Guide: Covers port security and best practices for securing web servers.

NEW QUESTION # 443
A network technician needs to resolve some issues with a customer's SOHO network.
The customer reports that some of the devices are not connecting to the network, while others appear to work as intended.
INSTRUCTIONS
Troubleshoot all the network components and review the cable test results by Clicking on each device and cable.
Diagnose the appropriate component(s) by identifying any components with a problem and recommend a solution to correct each problem.






Cable Test Results:
Cable 1:

Cable 2:

Cable 3:

Cable 4:








Answer:
Explanation:
See the Explanation for detailed information on this simulation.
Explanation:
(Note: Ips will be change on each simulation task, so we have given example answer for the understanding) To troubleshoot all the network components and review the cable test results, you can use the following steps:
Click on each device and cable to open its information window.
Review the information and identify any problems or errors that may affect the network connectivity or performance.
Diagnose the appropriate component(s) by identifying any components with a problem and recommend a solution to correct each problem.
Fill in the remediation form using the drop-down menus provided.
Here is an example of how to fill in the remediation form for PC1:
The component with a problem is PC1.
The problem is Incorrect IP address.
The solution is Change the IP address to 192.168.1.10.
You can use the same steps to fill in the remediation form for other components.
To enter commands in each device, you can use the following steps:
Click on the device to open its terminal window.
Enter the command ipconfig /all to display the IP configuration of the device, including its IP address, subnet mask, default gateway, and DNS servers.
Enter the command ping <IP address> to test the connectivity and reachability to another device on the network by sending and receiving echo packets. Replace <IP address> with the IP address of the destination device, such as 192.168.1.1 for Core Switch 1.
Enter the command tracert <IP address> to trace the route and measure the latency of packets from the device to another device on the network by sending and receiving packets with increasing TTL values. Replace <IP address> with the IP address of the destination device, such as 192.168.1.1 for Core Switch 1.
Here is an example of how to enter commands in PC1:
Click on PC1 to open its terminal window.
Enter the command ipconfig /all to display the IP configuration of PC1. You should see that PC1 has an incorrect IP address of 192.168.2.10, which belongs to VLAN 2 instead of VLAN 1.
Enter the command ping 192.168.1.1 to test the connectivity to Core Switch 1. You should see that PC1 is unable to ping Core Switch 1 because they are on different subnets.
Enter the command tracert 192.168.1.1 to trace the route to Core Switch 1. You should see that PC1 is unable to reach Core Switch 1 because there is no route between them.
You can use the same steps to enter commands in other devices, such as PC3, PC4, PC5, and Server 1.

NEW QUESTION # 444
Users are unable to access files on their department share located on flle_server 2. The network administrator has been tasked with validating routing between networks hosting workstation A and file server 2.
INSTRUCTIONS
Click on each router to review output, identity any Issues, and configure the appropriate solution If at any time you would like to bring back the initial state of trie simulation, please click the reset All button;


Answer:
Explanation:
See the solution configuration below in Explanation.




NEW QUESTION # 445
......
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