H12-221 · Question #82
IGMP interface group report information: Ethernet6/l/l(40.1.1.1): Total 1 IGMP Group reported Group: 232.0.0.1 Uptime: 00:00:22 Expires: off Last reporter: 40.1.1.3 Last-member-query-counter: 0…
The correct answer is B. IGMP sequentially sends two messages: The source carried in one of the messages is 20.1.1.56. See the full explanation below for the reasoning.
Question
IGMP interface group report information:
Ethernet6/l/l(40.1.1.1):
Total 1 IGMP Group reported Group: 232.0.0.1 Uptime: 00:00:22 Expires: off Last reporter: 40.1.1.3 Last-member-query-counter: 0 Last-member-query-timer-expiry: off Group mode: include Versionl-host-present-timer-expiry: off Version2-host-present-timer-expiry: off Source list:
Source: 20.1.1.56 Uptime: 00:00:22 Expires: 00:05:08 Last-member-query-counter: 3 Last-member-query-timer-expiry: 00:00:01 Source: 20.1.1.57 Uptime: 00:00:22 Expires: 00:00:17 Last-member-query-counter: 3 Last-member-query-timer-expiry: 00:00:01 The preceding information shows the entry status of an IGMP interface on Ethernet 6/1/1 on a router. Assume IGMP sends the group-and-source-specific Query message. Which of the following statements is true?
Options
- AIGMP sequentially sends two messages; The source carried in one of the messages is 20.1.1.56
- BIGMP sequentially sends two messages: The source carried in one of the messages is 20.1.1.56
- CIGMP sends only one message carrying two sources 20.1.1.56 and 20.1.1.57, with the 5 flag bit
- DIGMP sends only one message carrying two sources 20.1.1.56 and 20.1.1.57, with no S flag bit
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(24 responses)- A4% (1)
- B79% (19)
- C13% (3)
- D4% (1)
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