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Q1. What is the effect of a mandatory process, if it keeps restarting? 

A. router instability 

B. nothing, as Cisco IOS XR Software protects process space 

C. the router will reload 

D. it can cause routing adjacencies to flap 

E. displays a high CPU load error message 

Answer:

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:

Q3. 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:

Q4. Which is-is router interface configuration command will configure the authentication password for IS-IS Hello (IIH) messages without actually sending the password with the IIH over the network? 

A. hello-password text clear secretkey 

B. hello-password hmac-md5 clear secretkey 

C. hello-password text encrypted secretkey 

D. hello-password hmac-md5 encrypted secretkey 

Answer:

Q5. What is the correct procedure to associate a VRF to a static route? 

A. configure the VRF under the interface 

B. specify the VRF under "router static" in configuration mode 

C. define the VRF in the global configuration 

D. specify the VRF in the route global configuration command 

Answer:

Q6. Which Cisco IOS XR command sequence will load a specific configuration? 

A. (config)#load disk0:name.cfg 

B. #copy disk0:name.cfg running-confirguration 

C. #copy tftp://255.255.255.255/name.cfg 

D. #load commit changes <name> 

E. (config)#load commit <name> 

Answer:

Q7. Which four list the mandatory steps in order to implement SSH v1 access on Cisco IOS XR Software? (Choose four.) 

A. install and activate services PIE 

B. install and activate security PIE 

C. reload system after installing required PIE 

D. generate SSH cryptography key 

E. configure hostname and domain name 

F. configure ssh-server in owner SDR 

G. configure AAA services on the router 

H. configure TACACS server on the router 

Answer: B,D,E,F 

Q8. 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:

Q9. Which three commands can verify that the route-policy shown below and applied inbound on the BGP neighbor is working as expected for prefix 2.0.0.0/8? 

(Choose three.) 

A. show bgp 2.0.0.0 | include 356:1000 

B. show bgp | include 2.0.0.0 

C. show bgp community 356:1000 | include 2.0.0.0 

D. show bgp 2.0.0.0 

Answer: A,C,D 

Q10. In order to retrieve information from the temperature sensors on the system, what are the two commands that should be invoked? (Choose two.) 

A. RP/0/RP0/CPU0:CRS-MC#show version 

B. RP/0/RP0/CPU0:CRS-MC#show platform 

C. RP/0/RP0/CPU0:CRS-MC(admin)#show environment all 

D. RP/0/RP0/CPU0:CRS-MC(admin)#show environment temperature 

E. RP/0/RP0/CPU0:CRS-MC(admin)#show platform 

Answer: C,D