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Q1. Which affinity value will be matched by the affinity bit mask of the affinity 0xFF00000A mask 0xFFFF000F command?

A. 0xFFFF000A

B. 0xFF00EEEA 

C. 0xFF000000 

D. 0x00000000 

E. 0x11110001

Answer: B

Q2. On Cisco routers, which QoS marker is only locally significant?

A. DSCP

B. MPLS EXP

C. IP precedence

D. QoS group

E. discard eligible (DE)

Answer: D

Q3. Which Cisco IOS XR high-availability feature is used to prevent routes from being used before LDP converges?

A. LDP session protection

B. LDP-IGP synchronization

C. BFD

D. IGP session protection

Answer: B

Q4. When implementing MPLS TE tunnels on Cisco IOS XR routers, what is the tunnel setup and hold priority value range, and which value has the highest priority?

A. 0-63, where 0 is the highest priority

B. 0-63, where 63 is the highest priority

C. 0-7, where 0 is the highest priority

D. 0-7, where 7 is the highest priority

Answer: C

Q5. Which Cisco IOS XR command should be used to identify if MPLS TE FRR is enabled?

A. show mpls traffic-eng tunnel <tunnel#>

B. show mpls frr

C. show mpls traffic-eng protection

D. show mpls protection

E. show mpls fast-reroute

Answer: A

Q6. Which three conditions can occur when metering traffic using a dual token bucket traffic policing QoS mechanism on Cisco routers? (Choose three.)

A. conform

B. pass

C. violate

D. exceed

E. burst

F. matched

Answer: ACD

Q7. What are the four fields inside the MPLS shim header? (Choose four.)

A. EXP

B. TTL

C. Version

D. S

E. Length

F. Label

G. Type

H. FCS

Answer: ABDF

Q8. When implementing MPLS DS-TE on Cisco IOS XR routers, all aggregate Cisco MPLS TE traffic is mapped to which class type by default?

A. class-type 0 (bandwidth global pool)

B. class-type 1 (bandwidth subpool)

C. class-type 2 (bandwidth priority)

D. class type class-default (bandwidth best-effort)

Answer: A

Q9. The Cisco IOS and IOS XE qos pre-classify command allows which kind of packet classification on IP packets that are encapsulated with GRE and IPsec?

A. allows for packets to be classified based on the ToS byte values before packet encryption

B. allows for packets to be classified based on the ToS byte values after packet encryption

C. allows for packets to be classified based on the packet payload before packet encryption

D. allows for packets to be classified based on the packet payload after packet encryption

E. allows for packets to be classified based on the packet header parameters other than the ToS byte values after packet encryption

Answer: A

Q10. Which two of the following statements are correct regarding LSPs? (Choose two.)

A. An LSP is created for every routing protocol entry.

B. Each LSP is bidirectional, that is, packets traveling in the opposite direction use the same LSP.

C. An IGP is used to populate routing tables in all routers in an MPLS domain.

D. LDP is used to propagate labels and build LSPs.

E. The FIB is used to forward MPLS-labeled packets down an LSP.

Answer: CD