4A0-103 Free Dumps Study Materials

Question 1: If the destination IP address of a received unlabeled packet is successfully matched in the FIB,
which of the following statements are true? Choose two answers.
A. A PUSH label stack operation must be performed.
B. The outgoing interface and next-hop address will be determined from the FIB.
C. The packet can be forwarded as a labeled or unlabeled packet.
D. A POP label stack operation may be performed.
Correct Answer: B,C
10. During node protection signaling, the PLR knows the address of the MP from which of the
following methods?
A. The PLR issues a RSVP path message to the destination router to request the address of the MP .
B. The PLR learns the address of the MP from the ERO.
C. The PLR learns the address of the MP from the RRO
D. The PLR learns the address of the MP from the targeted RSVP hello message.
E. The PLR does not need to know the address of the MP .
Correct Answer: C
11. Which of the following is described by the following statement? An LSR propagates a label
mapping only for a FEC for which it has a label mapping for the FEC next-hop.
A. Independent control mode
B. Ordered control mode
C. Liberal label retention
D. Conservative label retention
E. Downstream on demand.
Correct Answer: B
12. Which of the following statements is true of an established LDP session?
A. It uses a UDP connection with an arbitrary port number.
B. It uses a UDP connection with well known port number 646.
C. It uses a TCP connection with an arbitrary port number.
D. It uses a TCP connection with well known port number 646.
Correct Answer: D
13. Which of the following statements are true? Choose two answers
A. Selected labels from the FIB are populated to the LIB.
B. Selected labels from the LIB are populated to the LFIB.
C. Selected routes from the RIB are populated to the FIB.
D. Selected routes from the FIB are populated to the RIB.
E. All labels from the LIB are populated to the LFIB.
Correct Answer: B,C
14. What MPLS function should be performed by a router that receives a data packet with an
MPLS label value of 0?
A. Push an additional label onto the label stack.
B. Pop the label.
C. Swap the label.
D. Pop the label and push an additional label onto the label stack.
Correct Answer: B
15. Which of the following commands may only be used on the head end router to verify the
status of an LSP named "LSP 1"? (Choose two)
A. show router mpls Isp "LSP 1" originate
B. show router mpls Isp "LSP 1" path detail
C. show router rsvp session originate
D. show router rsvp session "LSP 1"
Correct Answer: B,C
16. In MPLS, how is the label range 0 ?15 used?
A. Static LSPs
B. Reserved use
C. Vendor proprietary use
D. Management LSPs
E. Dynamic LSPs
Correct Answer: B

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