Instructions
This item contains several questions that you must answer. You can view these questions by clicking on
the corresponding button to the left. Changing questions can be accomplished by clicking the numbers to
the left of each question. In order to complete the questions, you will need to refer to the topology.
To gain access to the topology, click on the topology button at the bottom of the screen. When you have
finished viewing the topology, you can return to your questions by clicking on the Questions button to the
left.
Each of the windows can be minimized by clicking on the [-]. You can also reposition a window by dragging
it by the title bar.
Scenario
Refer to the topology. Using the information shown, answer the four questions shown on the Questions
tab.

After the network has converged, what type of messaging, if any, occurs between R3 and R4?
Correct Answer: B
Explanation/Reference:
Explanation:
HELLO messages are used to maintain adjacent neighbors so even when the network is converged, hellos
are still exchanged. On broadcast and point-to-point links, the default is 10 seconds, on NBMA the default
is 30 seconds.