Continue your lesson
Follow traffic from the endpoint through each device, protocol, and service in the path.
Block 1 of 1Compare Latency · Jitter · Packet loss · Congestion
Current · 15 min
Compare Latency · Jitter · Packet loss · Congestion
Optional concept notes
Latency
Measures the delay for traffic to travel between endpoints.
Jitter
Measures variation in delay between successive packets.
Packet loss
Occurs when transmitted packets never reach the destination.
Congestion
Occurs when offered traffic exceeds available network capacity.
Complete one provider lesson, then answer four related questions. That is enough for today; more practice is optional.
Your lesson stays open here while the provider opens in another tab. Choose one source; the notes above are optional.
Practice the reasoning here
Sketch a small network or packet path. Predict the expected state, introduce one fault, and identify the observation that isolates it.
- State the expected result before changing or testing anything.
- Name the observation, command, log, or report that would confirm it.
- Explain why the closest alternative does not fit the same requirement.
Check the whole objective
This unlocks objective 5.4 for recall. The latest checkpoint needs 70% or higher; a lower result puts the lesson back near the front of your timeline.