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CompTIA N10-009 practice test also contains mock exams just like the desktop practice exam software with some extra features. As this is a web-based software, this is accessible through any browser like Opera, Safari, Chrome, Firefox and MS Edge with a good internet connection. CompTIA N10-009 Practice Test is also customizable so that you can easily set the timings and change the number of questions according to your ease.
NEW QUESTION # 579
Which of the following attacks would most likely cause duplicate IP addresses in a network?
Answer: D
Explanation:
Definition of a Rogue DHCP Server:
A rogue DHCP server is an unauthorized DHCP server on a network, which can assign IP addresses to devices without proper control, leading to IP address conflicts.
Impact of a Rogue DHCP Server:
IP Address Conflicts: Multiple devices may receive the same IP address from different DHCP servers, causing network connectivity issues.
Network Disruption: Devices may be assigned incorrect network configuration settings, disrupting network services and connectivity.
NEW QUESTION # 580
Which of the following is the administrative distance for internal BGP routes?
Answer: C
Explanation:
The administrative distance for internal BGP, or iBGP, routes is 200. Administrative distance is a value used by routers to determine the trustworthiness of routing information when the same destination network is learned from more than one routing source. The lower the administrative distance, the more preferred the route. For example, external BGP commonly has an administrative distance of 20, OSPF has 110, external EIGRP has 170, and internal BGP has 200.
The CompTIA Network+ N10-009 objectives include routing technologies, routing protocol behavior, administrative distance, and path selection. BGP is commonly used for routing between autonomous systems, especially on the internet. Internal BGP is used within the same autonomous system to share BGP-learned routes between routers. Because iBGP routes have a higher administrative distance than many other routing sources, they are considered less preferred when competing with lower-distance routes to the same destination.
Option A, 20, applies to external BGP. Option B, 110, applies to OSPF. Option C, 170, is commonly associated with external EIGRP. Therefore, the correct administrative distance for internal BGP is 200.
NEW QUESTION # 581
SIMULATION
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 # 582
Which of the following connectors provides console access to a switch?
Answer: C
Explanation:
Console Access:
Purpose: Console access to a switch allows administrators to configure and manage the device directly. This is typically done using a terminal emulator program on a computer.
RJ45 Connector:
Common Use: The RJ45 connector is widely used for Ethernet cables and also for console connections to network devices like switches and routers.
Console Cables: Console cables often have an RJ45 connector on one end (for the switch) and a DB9 serial connector on the other end (for the computer).
Comparison with Other Connectors:
ST (Straight Tip): A fiber optic connector used for networking, not for console access.
BNC (Bayonet Neill-Concelman): A connector used for coaxial cable, typically in older network setups and not for console access.
SFP (Small Form-factor Pluggable): A modular transceiver used for network interfaces, not for console access.
Practical Application:
Connection Process: Connect the RJ45 end of the console cable to the console port of the switch. Connect the DB9 end (or USB via adapter) to the computer. Use a terminal emulator (e.g., PuTTY, Tera Term) to access the switch's command-line interface (CLI).
Reference:
CompTIA Network+ study materials on network devices and connectors.
NEW QUESTION # 583
A network administrator installs new cabling to connect new computers and access points. After deploying the equipment, the administrator notices a few of the devices are not connecting properly. The administrator moves the devices to a different port, but it does not resolve the issue. Which of the following should the administrator verify next?
Answer: A
Explanation:
Cable termination issues (e.g., improper crimping, loose connectors) can cause connectivity failures.
NEW QUESTION # 584
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