Destination MAC address and Ethernet frame type

Ethernet frame type and frame size

Destination TCP port number and source MAC address

Source and destination MAC addresses

Time synchronization algorithms are more complex and account for clock drift.

Client makes sudden changes in time to keep synchronized.

Client synchronizes among a set of distributed time servers.

Implemented on a Dell EMC Network OS 9 and OS 10.

A switch operates at a lower, more efficient layer of the OSI model.

A switch tracks MAC addresses of all connected devices.

A switch decreases the number of broadcast storms.

A switch does not include any latency into the frame transfer time.