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2021 Nov 4A0-103 rapidshare
Q1. Which of the following timers can be adjusted to reduce the time a router waits between attempts to re-establish an LSP after it has failed?
A. Isp retry-timer
B. Isp retry-limit
C. mpls resignal-timer
D. rsvp refresh-time
E. router rsvp keep-multiplier
Answer: A
Q2. Which of the following statements is true when the implicit null is implemented?
A. The penultimate router will POP the top label from the packets.
B. The eLER will receive packets with a top label value of 3.
C. The eLER will receive packets with a top label value of 0.
D. The penultimate router will always receive unlabeled packets.
E. The penultimate router performs a double lookup on the packet.
Answer: A
Q3. Router R3 signals an LSP, reserving 1Gbps bandwidth on a 10Gbps link. RSVP configuration limits reservable bandwidth to 20 percent on the egress interface. Which of the following statements is true?
A. The egress RSVP interface has 80 percent bandwidth unreserved.
B. LSPs can reserve an additional 9.9 Gbps bandwidth on this RSVP interface.
C. The head end reserves 100Mbps for the LSP
D. The egress RSVP interface has 1 Gbps bandwidth unreserved.
Answer: D
Q4. Which of the following are top level TLV types defined for OSPF-TE? Choose two answers.
A. Router address
B. Traffic engineering metric
C. Maximum bandwidth
D. Link
E. Admin Group
Answer: A,D
Q5. Which of the following commands is used to display the database containing the OSPF-TE LSAs?
A. show router ospf opaque-database
B. show router ospf database
C. show router ospf opaque-Isa
D. show router ospf te opaque
Answer: A
Up to the minute 4A0-103 actual test:
Q6. Which of the following are characteristics of ECMP LSPs in LDP? Choose three answers
A. Liberal label retention mode
B. T-LDP enabled with peers to which load balancing is desired.
C. ECMP enabled in the config>router context.
D. Hashing used to select the egress label.
E. Export policy applied to advertise multiple labels for a given FEC.
Answer: A,C,E
Q7. Which of the following statements regarding LSPs are true? (Choose two)
A. IGP-based LSPs are established solely from information contained in routing tables.
B. The constraint-based routed LSP is calculated at the ingress of the network, based on the router database and user defined constraints.
C. The constraint-based routed LSP is calculated at each hop of the LSP, based on the route table and user defined constraints.
D. IGP-based LSPs must use LDP signaling.
Answer: A,B
Q8. Which LSA is used for OSPF-TE purposes?
A. Type 9 LSA ?Link local LSA
B. Type 10 LSA ?Area local LSA
C. Type 8 LSA ?TE router LSA
D. Type 11 LSA ?Network LSA
Answer: B
Q9. Router R4 originates 500 RSVP signaled LSPs with default hello and refresh timer settings If the only downstream communication fails (link is operationally UP), how long will RSVP wait before it declares the RSVP sessions down?
A. 3000ms
B. 9000ms
C. 30000ms
D. 120000ms
Answer: B
Q10. 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.
Answer: B,C