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N10-009 Latest Exam Price | N10-009 Exam Tests

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CompTIA N10-009 Exam Syllabus Topics:

Topic
Details

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

Networking Concepts: For network administrators and IT support professionals, this domain covers

Topic 3

Selection and configuration of wireless devices.

Topic 4

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.

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CompTIA Network+ Certification Exam Sample Questions (Q175-Q180):

NEW QUESTION # 175
A network technician was recently onboarded to a company. A manager has tasked the technician with documenting the network and has provided the technician With partial information from previous documentation.
Instructions:
Click on each switch to perform a network discovery by entering commands into the terminal. Fill in the missing information using drop-down menus provided.

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 perform a network discovery by entering commands into the terminal, you can use the following steps:
* Click on each switch to open its terminal window.
* Enter the command show ip interface brief to display the IP addresses and statuses of the switch interfaces.
* Enter the command show vlan brief to display the VLAN configurations and assignments of the switch interfaces.
* Enter the command show cdp neighbors to display the information about the neighboring devices that are connected to the switch.
* Fill in the missing information in the diagram using the drop-down menus provided.
Here is an example of how to fill in the missing information for Core Switch 1:
* The IP address of Core Switch 1 is 192.168.1.1.
* The VLAN configuration of Core Switch 1 is VLAN 1: 192.168.1.0/24, VLAN 2: 192.168.2.0/24, VLAN 3: 192.168.3.0/24.
* The neighboring devices of Core Switch 1 are Access Switch 1 and Access Switch 2.
* The interfaces that connect Core Switch 1 to Access Switch 1 are GigabitEthernet0/1 and GigabitEthernet0/2.
* The interfaces that connect Core Switch 1 to Access Switch 2 are GigabitEthernet0/3 and GigabitEthernet0/4.
You can use the same steps to fill in the missing information for Access Switch 1 and Access Switch 2.

NEW QUESTION # 176
A network administrator changed an external DNS to point customers to a new server. Which of the following tools should the administrator use to test the new server's configuration?

A. tracert
B. ping
C. nslookup
D. tcpdump

Answer: C

Explanation:
*nslookup allows querying DNS records to verify if the new server is correctly resolving domain names.
*ping (A) tests basic connectivity, not DNS configuration.
*tracert (B) shows network path latency but doesn't test DNS.
*tcpdump (C) captures packets but isn't ideal for DNS verification.
#Reference: CompTIA Network+ N10-009 Official Documentation - DNS Testing Tools.

NEW QUESTION # 177
You are tasked with verifying the following requirements are met in order to ensure network security.
Requirements:
Datacenter
Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide a dedicated server to resolve IP addresses and hostnames correctly and handle port 53 traffic Building A Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide devices to support 5 additional different office users Add an additional mobile user Replace the Telnet server with a more secure solution Screened subnet Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide a server to handle external 80/443 traffic Provide a server to handle port 20/21 traffic INSTRUCTIONS Drag and drop objects onto the appropriate locations. Objects can be used multiple times and not all placeholders need to be filled.
Available objects are located in both the Servers and Devices tabs of the Drag & Drop menu.
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 explanation below.
Explanation:
Screened Subnet devices - Web server, FTP server
Building A devices - SSH server top left, workstations on all 5 on the right, laptop on bottom left DataCenter devices - DNS server.

NEW QUESTION # 178
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 # 179
A network administrator needs to divide 192.168.1.0/24 into two equal halves. Which of the following subnet masks should the administrator use?

A. 255.255.254.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.128

Answer: D

Explanation:
Understanding Subnetting:
Original Network: 192.168.1.0/24 has a subnet mask of 255.255.255.0, which allows for 256 IP addresses (including network and broadcast addresses).
Objective: Divide this network into two equal subnets.
Calculating Subnet Mask:
New Subnet Mask: To divide 192.168.1.0/24 into two equal halves, we need to borrow one bit from the host portion of the address, changing the subnet mask to 255.255.255.128 (/25).
Subnet Breakdown:
First Subnet: 192.168.1.0/25 (192.168.1.0 - 192.168.1.127)
Second Subnet: 192.168.1.128/25 (192.168.1.128 - 192.168.1.255)
Verification:
Each subnet now has 128 IP addresses (126 usable IP addresses, excluding the network and broadcast addresses).

NEW QUESTION # 180
......

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