Which of the following statements regarding IS-IS Hello packets are true? Choose two answers.
A. Different types of Hello packets are exchanged on point-to-point networks than on broadcast networks.
B. L1/L2 Hello packets are exchanged on broadcast links.
C. Different L1 and L2 Hello packets are exchanged on broadcast links.
D. By default, Hello packets are sent every 5 seconds, and the timeout to declare a neighbor down is 15 seconds.
Which type of IS-IS router is summarization most likely to be configured on?
A. L1 routers
B. L2 routers
C. L1/L2 routers
D. L1 and L2 routers
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