Huawei
H12-261 · Question #66
IS-IS elects a DIS on a broadcast network. Which of the following statements regarding DIS are true? (Choose three.)
The correct answer is B. IS-IS elects the DIS by comparing preferences. If the preferences are the same, IS-IS compares C. On a broadcast network, the DIS sends Hello PDUs at a frequency that is three times the D. The DIS periodically sends CSNPs to ensure LSDB synchronization. See the full explanation below for the reasoning.
Question
IS-IS elects a DIS on a broadcast network. Which of the following statements regarding DIS are true? (Choose three.)
Options
- ADIS preemption is supported. After successful DIS preemption, LSPs do not need to be flooded.
- BIS-IS elects the DIS by comparing preferences. If the preferences are the same, IS-IS compares
- COn a broadcast network, the DIS sends Hello PDUs at a frequency that is three times the
- DThe DIS periodically sends CSNPs to ensure LSDB synchronization.
How the community answered
(38 responses)- A16% (6)
- B84% (32)
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