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H12-221-ENU PDF DEMO:
QUESTION NO: 1
Which description about BGP state machine is wrong?
A. The status of both BGP peers must be OpenConfirm before the BGP neighbor relationship can be established. The two parties exchange routing information through Update messages.
B. In the Active state, BGP will attempt to establish the access TCP connection, which is the intermediate state of BGP.
C. In the Established state, BGP peers can exchange Update messages, Route-refresh messages,
Keepalive messages, and Notification messages.
D. In the Idle state, BGP rejects any access connection request and is the BGP initial state.
Answer: A
QUESTION NO: 2
For IGP routing to become a BGP route, only the network command can be used.
A. False
B. True
Answer: A
QUESTION NO: 3
Which of the following description about DR is correct?
A. In the network segment DR election, when the DR priority is the same, the bigger IP address is elected.
B. The source DR is responsible for sending Register messages with multicasting to the RP.
C. Assert Winner on the shared network segment may not be the network segment DR.
D. The receiver DR is responsible for sending Join messages to the multicast source or RP.
Answer: A,C,D
QUESTION NO: 4
Regarding the description of IGMPv1 and IGMPv2, the correct one is: (Multiple Choice)
A. IGMPv2 supports only general group queries.
B. IGMPv1 packet type does not include a leave member packets.
C. IGMPv2 packet type includes member leave packets
D. IGMPv1 supports universal group queries.
Answer: B,C,D
QUESTION NO: 5
Regarding the description of BGP Keepalive message, which is wrong?
A. Keepalive packets are consist of only one BGP data header.
B. By default, the keepalive interval is 180s.
C. Keepalive is periodically sent between two BGP neighbors.
D. Keepalive packets are mainly used for the running status of the peer routers and the availability confirmation of the link.
Answer: B
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Updated: May 28, 2022