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H12-221-ENU PDF DEMO:
QUESTION NO: 1
Regarding the description of the working mechanism of IGMP Snooping, which is correct?
A. If GMP sent by the host leaves the packet, the switch adds the host to the corresponding multicast table.
B. The Layer 2 switch establishes and maintains MAC broadcast address table at Layer 2 by continuously monitoring IGMP messages.
C. When IGMP Snooping is not running, multicast packets will be broadcast on Layer 2. After IGMP
Snooping is run, packets will not be broadcast on Layer 2 but Layer 2 multicast.
D. If the host send GMP host report packet, the switch deletes the multicast entry corresponding to the host.
Answer: C
QUESTION NO: 2
In BGP routing rules, routes with high MED values take precedence.
A. True
B. False
Answer: B
QUESTION NO: 3
When the Hold Time parameter negotiated by the two BGP neighbors is 0, no Keeplive packet is sent.
A. False
B. True
Answer: B
QUESTION NO: 4
IGMP Snooping operates at the data link layer to manage and control multicast groups and solves the problem of multicast messages broadcast at Layer 3.
A. True
B. False
Answer: B
QUESTION NO: 5
In the MSTP protocol configuration, the default domain name can be used.
A. TRUE
B. FALSE
Answer: A
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Updated: May 28, 2022