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Question 76
You are creating new Cisco MPLS TE tunnels. Which type of RSVP message does the headend router send to reserve bandwidth on the path to the tailend router?
- A: path
- B: tear
- C: error
- D: reservation
Question 77
Refer to the exhibit. A network engineer is implementing QoS services. Which two statements about the qos-group keyword on Cisco IOS XR are true? (Choose two.)
- A: It marks packets for end-to-end QoS policy enforcement across the network.
- B: QoS group marking occurs on the ingress.
- C: The QoS group numbering corresponds to priority level.
- D: QoS group can be used in fabric QoS policy as match criteria.
- E: It cannot be used with priority traffic class.
Question 78
Refer to the exhibit. If router A is the RP, which PIM mode can you configure so that devices will send multicast traffic toward the RP?
- A: PIM-SM
- B: BIDIR-PIM
- C: PIM-SSM
- D: PIM-DM
Question 79
Refer to the exhibit. Which statement supports QPPB implementation?
- A: QPPB policies affect only egress traffic.
- B: QoS policies rely exclusively on BGP attributes to manipulate traffic.
- C: QoS policies are identified in the MPLS forwarding table.
- D: QoS policies use BGP to gain full coverage on the network.
Question 80
Why do packet loops occur during the configuration of BIDIR-PIM?
- A: The network does not support BIDIR-PIM.
- B: The network is partially upgraded to support BIDIR-PIM.
- C: The router has not been configured to advertise itself.
- D: No interface for carrying traffic for multicast groups has been configured.
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