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Q1. Refer to the exhibit. 

If you have ROMMONs and FPDs with the Upg/Dng field marked "Yes" and you ran the upgrade hw-module fpd all location all command, what did you upgrade? 

A. upgraded only the FPD for the cards that the Upg/Dng field marked "Yes" 

B. upgraded all of the FPDs on all cards with an FPD regardless of the Upg/Dng field markings C. upgraded only the FPD and ROMMON for the cards that the Upg/Dng field marked "Yes" 

D. upgraded all of the FPDs and ROMMONs on all cards with an FPD or ROMMON regardless of the Upg/Dng field markings 

Answer: C 

Q2. On a Cisco CRS, which statement is correct about what happens to the MSC if the associated PLIM is absent? 

A. The MSC boots up, but all egress packets from the switch fabric to this MSC will be dropped. 

B. The other PLIM in a different slot can utilize this MSC. 

C. The state of the MSC from the output of the command show platform would show as IOS XR RUN. 

D. The MSC does not boot up. 

Answer: D 

Q3. In which mode can you check the power usage of a chassis? 

A. in EXEC mode 

B. in admin mode 

C. in both EXEC and admin mode 

D. in ROMMON mode 

E. in environmental mode 

Answer: B 

Q4. Which command configures IPv4 uRPF strict mode on an interface? 

A. ipv4 verify unicast source reachable-via any 

B. ipv4 verify unicast source reachable-via tx 

C. ipv4 verify unicast source reachable-via rx 

D. ipv4 verify unicast destination reachable-via rx 

E. ipv4 verify multicast source reachable-via tx 

Answer: C 

Q5. A network administrator needs to configure a default IPv4 route for a Cisco CRS-1 router. Which Cisco IOS XR command will accomplish this task? 

A. RP/0/RSP0/CPU0:R15(config-static)#ip route 0.0.0.0 0.0.0.0 10.52.204.161 

B. RP/0/RSP0/CPU0:R15(config-static-afi)#0.0.0.0/0 10.52.204.161 

C. RP/0/RSP0/CPU0:R15(config)#router static 0.0.0.0/32 10.52.204.161 

D. RP/0/RSP0/CPU0:R15#ip default-network 0.0.0.0 10.52.204.161 255.255.255.255 

E. it is not possible to configure static routes in Cisco IOS XR Software 

Answer: B 

Q6. Which uRPF mode specifies that the source address of the packet is checked against the FIB to make sure that it is being received on the interface that is selected as the best path to this source address? 

A. strict mode 

B. loose mode 

C. asymmetric mode 

D. symmetric mode 

Answer: A

Q7. Which two of the following statements regarding task-based authorization are true? (Choose two.) 

A. The user group concept in Cisco IOS XR Software relates to a group of users with common characteristics. 

B. All of the user groups are precreated by default. 

C. In addition to the predefined task groups, Cisco IOS XR Software provides the ability to custom create task groups consisting of individual tasks. 

D. User groups and task groups cannot inherit from other user groups and task groups. 

Answer: A,C 

Q8. When running MPLS Traffic Engineering with Cisco IOS XR Software, which three criteria can be seen when the show mpls traffic-eng tunnels command is executed on a midpoint router? (Choose three.) 

A. tunnel role 

B. TE metric 

C. tunnel ID 

D. physical bandwidth 

E. incoming and outgoing label 

Answer: A,C,E 

Q9. What are the two minimum tasks and configurations that are required for the forwarding of multicast traffic using Source-Specific Multicast? (Choose two.) 

A. installing services PIE on the router 

B. installing multicast PIE on the router 

C. configuring multicast-routing on interfaces 

D. configuring PIM on interfaces 

Answer: B,C 

Q10. Which answer best summarizes the difference between p and px images, hfr-mini-p.vm-4.1.1 and hfr-mini-px.vm-4.1.1, respectively? 

A. P images can only support legacy hardware, while px images can only support new CRS-3 hardware. 

B. P images can use an SMU to operate as x86 images. 

C. P images can only support Power PC hardware, while px images can support both Power PC and Intel hardware in the same chassis. 

D. P and px images can both be installed on the same ROMMON version. 

E. P and px images are roughly the same because they are built to operate on the same system. 

Answer: C