QUESTION: 193

Which of the following statements correctly describe the LDP LSP establishment process?

When the next hop of an LSR changes due to a change in network topology and liberal mode is used, the LSR can use the previous label sent to a non-optimal next hop to quickly reestablish an LSP. Liberal mode requires more memory and label space than conservative mode.
By default, for the same FEC, the label mapping that an LSR receives can only originate at the optimal next hop.
In DoD label advertisement mode, an LSR can distribute labels to a specified FEC without having to receive Label Request messages from its upstream device.
An LSP is established by binding an FEC to a label and advertising the binding relationship to the upstream LSR.

Answer(s): D

QUESTION: 194

If multiple candidate RPs are configured in a multicast domain, which of the following parameters need to be compared when electing the RP of the group from multiple candidate RPs?

IP address of the C-RP interface
Mask length of the group range that is supported by the C-RP and needs to be matched with the group address joined by receivers
C-RP interface ID
C-RP priority

Answer(s): A

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QUESTION: 195

Network administrators can use CAR technology in traffic policing. Which of the following technologies can be applied in CAR?

Dual buckets at dual rates
Single bucket at a single rate
Three buckets at a single rate
Dual buckets at a single rate

Answer(s): D

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Router A has an IP route with the destination network segment of 10.0.0.1/32 and outbound interface of GigabitEthernet0/0/1. The following configuration is added:

Assume that router A receives a data packet with the destination IP address of 10.0.0.1. Which of the following statements are true?

If the source IP address of the data packet is 10.0.1.2, the data packet cannot be forwarded.
If the source IP address of the data packet is 10.0.1.2, the data packet can be forwarded and the DSCP value is set to CS3.
If the source IP address of the data packet is 10.0.1.1, the data packet can be forwarded and the DSCP value is set to CS3
If the source IP address of the data packet is 10.0.1.2, the data packet can be forwarded and the DSCP value remains unchanged.

Answer(s): C

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