- (Topic 1)
Several WIFI users are reporting the inability to connect to the network. WLAN users on the guest network are able to access all network resources without any performance issues. The following table summarizes the findings after a site survey of the area in question:

Which of the following should a wireless technician do NEXT to troubleshoot this issue?

1. A. Reconfigure the channels to reduce overlap
2. B. Replace the omni antennas with directional antennas
3. C. Update the SSIDs on all the APs
4. D. Decrease power in AP 3 and AP 4

Correct Answer: B
Based on the site survey table, we can see that AP 2, AP 3, and AP 4 are all broadcasting on the same channel, which can cause interference and affect performance. Therefore, the next step a wireless technician should take to troubleshoot this issue is to reconfigure the channels to reduce overlap. This will help to improve network performance and eliminate any interference.
References:
✑ Network+ N10-007 Certification Exam Objectives, Objective 2.8: Given a scenario, troubleshoot common wireless problems and perform site surveys.

- (Topic 3)
Which of the following types of attacks can be used to gain credentials by setting up rogue APs with identical corporate SSIDs?

1. A. VLAN hopping
2. B. Evil twin
3. C. DNS poisoning
4. D. Social engineering

Correct Answer: B

- (Topic 1)
Given the following information:

Which of the following command-line tools would generate this output?

1. A. netstat
2. B. arp
3. C. dig
4. D. tracert

Correct Answer: D
Tracert is a command-line tool that traces the route of a packet from a source to a destination and displays the number of hops and the round-trip time for each hop. The output shown in the question is an example of a tracert output, which shows five hops with their IP addresses and hostnames (if available) and three latency measurements for each hop in milliseconds. References: https://partners.comptia.org/docs/default- source/resources/comptia-network-n10-008-exam-objectives-(2-0), https://www.lumen.com/help/en-us/network/traceroute/understanding-the-traceroute- output.html

SIMULATION - (Topic 3)
You have been tasked with implementing an ACL on the router that will:
* 1. Permit the most commonly used secure remote access technologies from the management network to all other local network segments
* 2. Ensure the user subnet cannot use the most commonly used remote access technologies in the Linux and Windows Server segments.
* 3. Prohibit any traffic that has not been specifically allowed.
INSTRUCTIONS
Use the drop-downs to complete the ACL
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.


Solution:


Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A

- (Topic 3)
A security engineer is trying to connect cameras to a 12-port PoE switch, but only eight cameras turn on. Which of the following should the engineer check first?

1. A. Ethernet cable type
2. B. Voltage
3. C. Transceiver compatibility
4. D. DHCP addressing

Correct Answer: B
The most likely reason why only eight cameras turn on is that the PoE switch does not
have enough power budget to supply all 12 cameras. The engineer should check the voltage and wattage ratings of the PoE switch and the cameras, and make sure they are compatible and sufficient. The Ethernet cable type, transceiver compatibility, and DHCP addressing are less likely to cause this problem, as they would affect the data transmission rather than the power delivery.
References:
✑ CompTIA Network+ N10-008 Certification Study Guide, page 181
✑ CompTIA Network+ N10-008 Cert Guide, Deluxe Edition, page 352
✑ PoE Troubleshooting: The Common PoE Errors and Solutions3