Continue your lesson
Follow traffic from the endpoint through each device, protocol, and service in the path.
Block 1 of 3Understand Static route
Current · 15 min
Understand Static route
Optional concept notes
Static route
Uses an administrator-defined destination and next hop.
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.
Block 2 of 3Compare OSPF · BGP
10 min
Compare OSPF · BGP
Optional concept notes
OSPF
Exchanges link-state routes within an autonomous system.
BGP
Exchanges path information between autonomous systems using policy.
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.
Block 3 of 3Understand Port address translation
8 min
Understand Port address translation
Optional concept notes
Port address translation
Maps many private sessions to one public address using ports.
Cross-certificationCCNA ↔ Net+
Port address translation
The core idea stays the same. The surrounding objective changes the evidence, decision, or task the exam asks for.
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 2.1 for recall. The latest checkpoint needs 70% or higher; a lower result puts the lesson back near the front of your timeline.