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CompTIA Network+ certification Sample Questions:

1. A company wants to create highly available datacenters. Which of the following will allow the company to continue to maintain an Internet presence at all sites in the event that a WAN circuit at one site goes down?

A) OSPF
B) VRRP
C) Load balancer
D) BGP

2. Which of the following technologies allows for redundant links within a Layer 2 segment?

A) RIP
B) OSPF
C) Spanning Tree
D) Port Mirroring

3. Which of the following would MOST likely be used by a network administrator to test DNS resolution?

A) nbtstat
B) dig
C) ipconfig
D) netstat

4. Some visitors are unable to access the wireless network. The network's wireless infrastructure is comprised of three different buildings with the configurations listed below. Wireless network in Building A and C is used exclusively for internal employees and Building B is used for visitors and requires no additional configuration on their devices. Which of the following settings would need to be modified to provide wireless access to all visitors?
Building ABuilding BBuilding C
Channel: 2Channel: 6Channel: 11
Encryption: WPA2Encryption: WPA2Encryption: WPA2

A) Encryption set to Open in all Buildings
B) Encryption set to WEP in Building B
C) Encryption set to Open in Building B
D) Channel set to 11 in Building B

5. CORRECT TEXT
Wireless network users recently began experiencing speed and performance issues after access point 2 (AP2) was replaced due to faulty hardware. The original network was installed according to a consultant's specifications and has always worked without a problem.
You a network technician, have been tasked with evaluating the situation and resolving the issues to improve both performance and connectivity. Refer to the following diagram and perform any Necessary changes to the wireless and wired infrastructure by adjusting devices.
NotE. Adjust the LEAST number of devices needed to fix the issue all blue icons in the image are clickable.

Solutions: