300-410 Free Practice Test

- (Exam Topic 3)
Refer to the exhibit.

During ISP router maintenance, the network produced many alerts because of the flapping interface. Which configuration on R1 resolves the issue?

1. A. no snmp trap link-status
2. B. snmp trap link-status down
3. C. snmp trap ip verify drop-rate
4. D. ip verify drop-rate notify hold-down 60

Correct Answer: D

- (Exam Topic 3)
Which feature is used by LDP in the forwarding path within the MPLS cloud?

1. A. IP forwarding
2. B. TTL
3. C. TDP
4. D. LSP

Correct Answer: D

- (Exam Topic 3)
Which technique removes the outermost label of an MPLS-tagged packet before the packet is forwarded to an adjacent LER?

1. A. label swap
2. B. explicit-null
3. C. label imposition
4. D. PHP

Correct Answer: D

- (Exam Topic 1)
Refer to the exhibit.

What does the imp-null tag represent in the MPLS VPN cloud?

1. A. Pop the label
2. B. Impose the label
3. C. Include the EXP bit
4. D. Exclude the EXP bit

Correct Answer: A
The imp-null (implicit null) tag instructs the upstream router to pop the tag entry off the tag stack before forwarding the packet.
Note: pop means remove the top MPLS label

- (Exam Topic 3)
Refer to the exhibit.

The forwarding entries how that the next hop for prefixes from the 172.16.0.0/16 network is set to 10.2.2.2 instead of 10.1.1.1. Which action resolves the issue?

1. A. Add set ip next hop 10.1.1.1 in route-map RED permit 20.
2. B. Add the continue statement in route-map RED permit 10 instead of continue 20.
3. C. Remove match ip address prefix-list 1 from route-map RED permit 10.
4. D. Remove the continue 20 statement from route-map RED permit 10

Correct Answer: D