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Q1. Refer to the exhibit. 

All routers have OSPF adjacency with the directly connected routers, yet RC cannot receive OSPF updates from Area 0 To fix this issue, which configuration should be applied? 

A. On RD router 

router ospf 1 

area 1 virtual-link 3.3.3.3 

On RB router: 

router ospf 1 

area 1 virtual-link 4.4.4.4 

B. On RC router. 

router ospf 1 

area 2 virtual-link 3.3.3.3 

On RB router: 

router ospf 1 

area 2 virtual-link 2.2.2.2 

C. On RC router 

router ospf 1 

area 0 virtual-link 1.1.1.1 

On RA router: 

router ospf 1 

area 2 virtual-link 2.2.2.2 

D. On RD router: 

router ospf 1. 

area 1 virtual-link 1.1.1.1 

On RA router: 

router ospf 1 areal virtual-link 4.4.4.4 

Answer:


Q2. 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 

Answer:


Q3. Refer to the exhibit. R2 and R3 cannot install IS-IS IPv6 routes. What is the root cause? 

A. R2 is missing the metric-style wide command under the IS-IS process. 

B. R3 is missing the multi-topology transition command under the IS-IS address-family IPv6 process. 

C. R2 is missing the multi-topology command under the IS-IS address-family IPv6 process. 

D. R3 is missing the metric-style wide command under the IS-IS process. 

Answer:


Q4. A service provider is designing control policies at the customer edge of the network, in order to prevent usage that exceeds the contracted terms A new client that is contracted for only 2 Gbps is connecting to the service provider edge with a 10 Gbps interface. Which two OoS strategies meet the design goal? (Choose two.) 

A. On the customer edge device, enable policing on the interface that is connected to the service provider. 

B. On the service provider edge, enable WRED on the customer port. 

C. On the customer edge, enable WRED on the interface that is connected to the service provider 

D. I On the service provider edge, enable policing on the customer port 

E. the customer edge device, enable traffic shaping on the interface that is connected to the service provider. 

F. C On the service provider edge, enable traffic shaping on the customer port 

Answer: D,E 


Q5. Due to recent acquisitions, a company’s MPLS infrastructure is growing very quickly. Concerns arise about labeling each and every IP address on the P router. Which command would significantly reduce the label allocations without compromising LDP functionalities? 

A. ip prefix-list List1 deny prefix/prefix_length 

mpls ldp label 

allocate global prefix-list List1 

B. mpls ldp label 

allocate global host-routes 

C. access-list 1 permit subnet wildcard 

mpls ldp neighbor neighbor_ip labels accept 3 

D. mpls ldp password required for 10 

access-list 10 permit host_ip_1 

access-list 10 permit host_ip_2 

access-list 10 permit host_ip_n 

Answer:


Q6. Refer to the exhibit. How will the redistributed routes on R1 from EIGRP into OSPF be installed in the R4 routing table? 

A. as a default route with an E2 route type 

B. as a default route with an IA route type 

C. as specific routes with an E2 route type 

D. as specific routes with an N2 route type 

E. as a default route with an N2 route type 

Answer:

Explanation: http://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/6208-nssa.html http://www.cisco.com/image/gif/paws/6208/nssa.pdf 


Q7. Users are complaining of intermittent high packet loss for seconds at a time. The engineer troubleshooting the issue finds that a TenGigE link is bouncing for milliseconds at a time, causing the traffic path to reconverge onto a congested FastEthernet link. What can the engineer do to prevent this service-affecting reconvergence only in the case of momentary link bounces until the link can be repaired? 

A. decrease the carrier-delay up on both sides of the link 

B. disable keepalives and BFD 

C. decrease the carrier-delay down on both sides of the link 

D. increase the carrier-delay up on both sides of the link 

E. increase the carrier-delay down on both sides of the link 

Answer:


Q8. A network engineer is responsible for implementing a solution with Cisco IOS XR Software that ensures continuous forwarding during a control plane failure. Which two technologies should the engineer consider? (Choose two.) 

A. IP FRR 

B. NSR 

C. graceful restart 

D. BFD 

E. TE FRR 

Answer: B,C 


Q9. Refer to the exhibit. The referenced TE tunnels compete for bandwidth requirements over the limited available bandwidth that is provisioned. Which core MPLS component erases a conflict and provides admission control for any new added TE tunnel? 

A. link management 

B. link attributes 

C. MPLS TE priorities 

D. RSVP 

Answer:

Explanation: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nx-os/mpls/configuration/guide/mpls_cg/mp_te_RSVP.pdf 


Q10. A network administrator wants to implement an IP dampening feature for a network. Which parameter identifies how fast the accumulated penalty can decay exponentially? 

A. reuse threshold 

B. suppress threshold 

C. half-life period 

D. maximum suppress time 

Answer:

Explanation: Reference: 

http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_pi/configuration/15-sy/iri-15-sy-book/iri-ip-event-damp.html