James, a network engineer, has been contracted by a company to monitor network performance. In order to know and analyze any problem in a network, James will need to understand how the network functions in a normal state. Analyze which of the following will be of use to James in this scenario.
1. Checking the network's performance baseline
2. Checking the interface statistics
3. Checking if the network is operating at maximum capacity.
4. Checking if the connection has jitter.