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Q1. DS-TE implementations on Cisco routers support which bandwidth pool(s) and class type(s)? (Choose two.)

A. global pool only

B. subpool only

C. global pool and subpool

D. class-type 0 only

E. class-type 1 only

F. class-type 0 and class-type 1

Answer: CF

Q2. Only based on the Cisco IOS XR policy-map configuration exhibit,

which statement is correct?

A. All DSCP AF41 marked packets will be dropped when the average queue length reaches 12,000 packets.

B. DSCP AF11 marked packets will be randomly dropped when the average queue length reaches 10,000 packets.

C. DSCP AF11 and AF41 marked packets are guaranteed a minimum bandwidth of 1 Mb/s.

D. DSCP AF11 and AF41 marked packets are guaranteed a maximum bandwidth of 1 Mb/s.

Answer: B

Q3. Refer to the Cisco IOS XR policy-map configuration exhibit.

What is wrong with the policy-map configuration?

A. missing the priority percent command under class one and class two

B. missing the police command under class one and class two

C. missing the police command under class three

D. missing the priority bandwidth command under class one and class two

E. missing the bandwidth command under class one and class two

Answer: B

Q4. When a link flaps, an mpls ldp session will also flap. Which feature minimizes traffic loss and provides faster convergence after the link is re-established?

A. BFD

B. MPLS LDP IGP SYNC

C. graceful restart

D. LDP session protection

E. LDP nonstop routing

Answer: D

Q5. Cisco MPLS TE path setup can be affected by which three tunnel attributes? (Choose three.)

A. bandwidth

B. delay

C. MTU

D. priority

E. affinity

Answer: ADE

Q6. Implementing IPoDWDM interfaces on Cisco CRS routers eliminates the need for which network component?

A. ROADM

B. external transponders

C. electrical-optical-electrical converters

D. electrical cross-connect

Answer: B

Q7. What is the correct formula for determining the CIR?

A. CIR = Bc/Tc

B. CIR = Bc x Tc

C. CIR = Tc/Bc

D. CIR = Bc + Be

E. CIR = Tc/(Bc+Be)

F. CIR = (Bc+Be)/Tc

Answer: A

Q8. Refer to the partial Cisco IOS XR configurations exhibit for Router 1 and Router 2.

There are two routers that are connected back to back over the Gigabit Ethernet link. If the "show mpls ldp neighbor" command output on Router 1 does not show LDP peering with Router 2, what could be the possible root cause of the LDP peering problem?

A. missing interface under OSPF IGP configuration

B. hello timers mismatch on Router 1 and Router 2

C. password for LDP session mismatch on Router 1 and Router 2

D. MPLS LDP session protection is not configured

Answer: A

Q9. On a Cisco router, when will the router actually reserve the bandwidth for the MPLS traffic engineering tunnel?

A. during the autoroute process

B. during constraint-based routing calculations

C. on the receipt of the RSVP Path message

D. on the receipt of the RSVP Resv message

Answer: D

Q10. Within the service provider core network, which two QoS mechanisms are typically deployed on the P routers? (Choose two.)

A. LLQ

B. traffic policing and remarking

C. WRED

D. traffic shaping

E. traffic classification and markings

F. link fragmentation and interleaving

Answer: AC