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Q21. The following MPP configuration is applied on RA router: RP/0/RSP0/CPU0:RA#sh running-config control-plane 




interface TenGigE 0/0/0/0 

allow SSH peer 

address ipv4 

Which two pieces of information are correct in regards to management traffic on RA router? (Choose two) 

A. SNMP traps going out on TenGigE 0/0/0/0 interface are dropped. 

B. SNMP polling coming through TenGigE 0/0/0/0 interface are dropped. 

C. Telnet connections coming through MgmtEth0/RSP0/CPU0/0 interface are accepted. 

D. SSH connections coming through TenGigE 0/0/0/0 interface from host are accepted. 

E. TACACS traffic going through TenGigE 0/0/0/0 interface are dropped. 

Answer: B,D 

Q22. Refer to the exhibit. Customer XYZ Site 1 is not learning prefixes from Site 2. What is the issue? 

A. MPLS LSP is broken along the path. 

B. The route-policy is not implemented in router PE-2. 

C. The BGP local-as command should be used between PE-1 and CE-1. 

D. The route-distinguisher values must match in both sites. 

E. The BGP as-override command should be implemented between PE-1 and CE-1. 


Q23. In a multi-VRF scenario using OSPF as PE-CE routing protocol, which Cisco IOS command allows the CE to accepts routes from PE inside of each VRF? 

A. router ospf <process id> vrf<vrf name> capability vrf-lite 

B. router ospf<process id> vrf<vrf name> domain-id <value> 

C. router ospf <process id> domain-id <value> 

D. router ospf <process id> capability vrf-lite 



Drag each resiliency mechanism on the left to its corresponding technology on the right. 


Q25. Which multicast feature listens multicast conversations maintaining a map in order to control which ports receive specific multicast traffic? 

A. Bidirectional PIM 

B. Source Specific Multicast 

C. PIM assertion 

D. IGMP snooping 


Q26. What are the four key design requirements for mobile IP backhaul? (Choose four.) 

A. X2 interface turning point 

B. bandwidth 

C. Layer 2 Tunneling 

D. native IPv6 support 

E. DiffServQoS 

F. MPLS-enabled interface 

G. network timing distribution and recovery 

H. mandatory Layer 3 access up to a cell site 

Answer: C,D,G,H 

Explanation: http://www.cisco.com/web/about/ac123/ac147/archived_issues/ipj_14-3/143_backhaul.html 

Q27. In a secure domain router scenario, which two functions are shared amongst all SDR in the system? (Choose two.) 

A. configuration 

B. protocols 

C. routing tables 

D. chassis-control 

E. switch-fabric 

Answer: D,E 


Secure domain routers (SDRs) provide a means of partitioning a router into multiple, independent routers. SDRs perform routing functions in the same manner as a physical router but share resources with the rest of the system. For example, the applications, configurations, protocols, and routing tables assigned to an SDR belong to that SDR only, but other functions such as chassis control, switch fabric, and partitioning are shared with the rest of the system. 

Reference: http://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-3/system_management/command/reference/b_sysman_cr43crs/b_sysman_cr43crs_chapt er_01110.html 

Q28. The product team at an ISP that offers VoIP services wants to add two-way video conferencing to their product offering. Which three QoS methods can be applied for real-time traffic on WAN links with speeds that are slower than 768 Kbps? (Choose three.) 

A. Apply voice-adaptive fragmentation to ensure that large video packets are fragmented and interleaved. 

B. Apply LLQ with video traffic that is dedicated in the priority queue. 

C. Apply MLP link fragmentation and interleaving to the interface. 

D. Apply CBWFQ with video traffic in its own class, which is marked with a PHB value of AF41. 

E. Apply CBWFQ with VoIP traffic in its own class, which is marked with a PHB value of EF. 

F. Apply LLQ with both voice traffic and video traffic in the same priority queue 

Answer: C,D,E 

Q29. A service provider is using multicast flows to provide streaming video content to its customers. Video streams are sometimes interrupted, and network instability is determined to be the cause. Which action should the service provider take to decrease the burden on the router resources in an unstable unicast routing environment? 

A. Reduce the volume of query messages. 

B. Tune the RPF backoff. 

C. i Increase the PIM hello hold timers. 

D. Filter unnecessary SA messages. 


Q30. In an MPLS VPN environment, the QoS marking over the MPLS backbone must be different from the one that is received from the customer. The forwarding on the egress PE is based on the marking that is set by the ingress PE. Which null label and QoS mode can achieve this? 

A. MPLS explicit null with pipe mode 

B. MPLS implicit null with short pipe mode 

C. MPLS implicit null with uniform mode 

D. MPLS explicit null with uniform mode 

E. MPLS explicit null with short pipe mode 

F. MPLS implicit null with pipe mode 



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