Which of the following would MOST likely be used to review previous upgrades to a system?

A customer is having issues accessing local resources on the network. A technician questions the user and discovers that a small switch had been taken out of storage and installed so that additional devices could be connected in the room. The technician runs the ping command from the PC to the network server and does not find any issues. However, data transfers to the server are slow, and the transfer appears to be locked up at times. Which of the following is the most likely cause of the issue?

Which of the following is used to prioritize Internet usage per application and per user on the network?

An engineer is using a tool to run an ICMP sweep of a network to find devices that are online.
When reviewing the results, the engineer notices a number of workstations that are currently verified as being online are not listed in the report.
The tool was configured to scan using the following information:
- Network address: 172.28.16.0
- CIDR: /22
The engineer collected the following information from the client workstation:
- IP address: 172.28.17.206
- Subnet mask: 255.255.252.0
Which of the following MOST likely explains why the tool is failing to detect some workstations?

A network engineer needs to create a subnet that has the capacity for five VLANs. with the following number of clients lo be allowed on each:

Which of the following is the SMALLEST subnet capable of this setup that also has the capacity to double the number of clients in the future?