Online Access Free H12-224-ENU Exam Questions

When BFD detection intervals at both ends are 30ms and 40ms.
Which of the following statement is true?

• A.A BFD session cannot be established
• B.A BFD session can be set up. After the negotiation, the detection interval of 90ms is used
• C.A BFD session can be set up. After the negotiation, the detection interval of 30ms is used
• D.A BFD session can be set up, and packets are sent at respective intervals at both ends

Which of the following statements is false?

• A.When a muter with the highest router priority joins an OSPF network, this router will become the new DR
• B.A device with a higher router priority has a higher election priority
• C.If the current DR fails, the current BDR automatically becomes a new DR, and a BDR will be elected again
• D.If two devices have the same muter priority, the device with a larger router ID has a higher election priority

In a MPLS VPN network, two-layer MPLS labels are added to data packets before they are transmitted over the public network.
Which of the following statements regarding two-layer labels are false? (Multiple Choice)

• A.The MPLS VPN outer label is distributed manually by the LDP protocol. The inner label is distributed by the peer MP-BGP neighbor.
• B.By default, the outer label in data packets is popped out before being forwarded to the last hop.
• C.The outer label is the private network label and the inner label is the public network label.
• D.The outer label is used to instruct the PE to send data packets to the correct VPN.

During configuration of the WRED drop profile, the lower drop threshold and upper drop threshold for AF21 traffic are 35 and 90, the lower drop threshold and upper drop threshold for AF22 traffic are 30 and 90, and the lower drop threshold and upper drop threshold for AF23 traffic are 25 and 90. The maximum drop probability for AF21, AF22, and AF23 traffic is 10%.
Before congestion occurs, which type of traffic can obtain bandwidth guarantee?

• A.AF22
• B.AF21, AF22, and AF23 traffic
• C.AF23
• D.AF21

RTA is the source designated router (DR), and RTB is the rendezvous point (RP). The multicast source sends multicast data to RTA, but RTB does not have the multicast source with PIM register packets.
Which of the following are the possible causes? (Multiple Choice)

• A.The RP learned by RTA is not RTB.
• B.RTA cannot learn the RP information.
• C.There is no unicast route from RTB to RTA.
• D.There is no multicast route from RTA to RTB.