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2017 Apr 400-201 free download

Q41. Refer to the exhibit. 

It displays the Router_3 FIB information without any OSPF LSDB optimization. An engineer wants to optimize the OSPF LSDB in accordance with RFC 1587 Considering the following restraints: 

.Router_3 maintains full connectivity 

.Router_2 requires the least configuration 

In order to achieve the OSPF LSDB optimization on Router_3. which Cisco IOS command should the engineer use on Router_2? 

A. area 1 nssa default-information-originate 

B. area n nssa no-summary 

area 1 nssa no-redistribution 

C. area 1 nssa no-redistribution 

area 1 nssa default-information-originate 

D. area 1 nssa no-summary 

E. area 1 nssa no-redistribution 

F. area 1 nssa no-summary 

area 1 nssa default-information-originate 


Q42. In a PE-CE scenario using OSPF as the routing protocol, a down-bit set can be advertised in which OSPF LSA type? 

A. type 1 LSA 

B. type 2 LSA 

C. type 3 LSA 

D. type 5 LSA 

E. type 7 LSA 


Q43. Which BGP feature improves the convergence and response time to adjacency changes with BGP neighbors? 

A. Fast Peering Session Deactivation 

B. BGP Multihop 

C. reducing BGP scanner timing to the minimum that is supported 

D. TTL Security Check 

E. Next-Hop Address Tracking 


Q44. An R1 router requires an equal load balancing to reach the prefix over two exit points: through R2 and R3 routers. Which two options must be configured on the R1 router to achieve this goal? (Choose two.) 

A. The BGP maximum path feature must be configured on R1. 

B. The BGP PIC core must be enabled on R1 

C. Weight, local-pref, MED, as-path length, origin, and the BGP next-hop IGP cost must be the same for the R2 and R3 IBGP updates to R1. 

D. The BGP Link Bandwidth feature must be applied on R1. 

E. BGP extended community exchange must be enabled between IBGP neighbors. 

Answer: D,E 


Q45. Refer to the exhibit. 

Which MPLS TE component keeps track of the flooding and admission control? 

A. MPLS TE priorities 


C. link attributes 

D. link manager 


Renew 400-201 free exam:

Q46. Which are the four key design requirements for mobile IP backhaul? (Choose four) 

A. network timing distribution and recovery 

B. MPLS-enabled interface 

C. Layer 2 Tunneling 

D. X2 interface turning point 

E. DiffServ QoS 

F. bandwidth 

G. native IPv6 support 

H. mandatory Layer 3 access up to a cell site 

Answer: A,B,E,H 

Q47. Refer to the exhibit. Which statement is true? 

A. This is an inter autonomous unicast route. 

B. The BGP MED value is 26. 

C. This is an mVPN route. 

D. The route target value is 

E. There is a route reflector in this network. 

F. The route did not import this route into the VRF one. 


Q48. What is NETCONF? 

A. It is a standard for installing, manipulating and deleting configuration of network devices. 

B. it is a Cisco proprietary solution to help remove the time, cost and manual steps involved in network element configuration. 

C. It is data modeling language, to help remove the time, cost and manual steps involved in network element configuration. 

D. It is a new recommendation which writes device specific CLI scripts while keeping flexibility in a vendor dependence environment. 



Q49. An engineer is deploying RTBH. What is necessary routing constraint required for successful implementation? 

A. The trigger device must have an iBGP session with all the clusters/route reflectors in the autonomous system. 

B. The trigger device must redistribute the static route pointing to a null interface into the IGP process. 

C. The no ip reachables command must be issued on the PE router interface under attack. 

D. The attacker’s destination IP address must be routed to a null interface. 

E. The eBGP sessions need to set the next-hop attribute value to the trigger device loopback interface. 


Explanation: Old Dumps Actual Test pg no.52 (520 Q) 

Q50. A service provider is implementing Ethernet solutions for clients that are not being provisioned within the MPLS core network. Which solution allows the Service Provider to complete Ethernet circuit provisioning in this scenario? 

A. L2TPv3 


C. AToM 




L2TPv3 defines the L2TP protocol for tunneling Layer 2 payloads over an IP core network using Layer 2 virtual private networks (VPNs). Benefits of this feature include the following: 

. Simplifies deployment of VPNs. 

. Does not require Multiprotocol Label Switching (MPLS) virtual private network (VPN). 

. Supports Layer 2 tunneling over IP for any payload. 

. Supports data encapsulation directly over IP (IP protocol number 115), not using User Datagram Protocol (UDP) . 

Supports point-to-point sessions, not point-to-multipoint or multipoint-to-point sessions . 

Supports sessions between the same Layer 2 protocols, for example Frame Relay-to-Frame Relay or ATM-to-ATM.