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Q171. You are configuring a DHCPv6 client for a DHCPv6 server with the prefix delegation feature. Which option is a result of the interface configuration when you enter the command ipv6 address autoconfig default? 

A. a static IPv6 default route pointing to the upstream DHCP server 

B. a static IPv6 default route pointing to the upstream DHCP relay 

C. a static IPv6 default route pointing to the upstream router 

D. a temporary stateless address, formed from the EUI-64 bit address and the prefix from the route advertisement of the upstream router 

Answer:


Q172. Which three protocols support SSM? (Choose three.) 

A. IGMPv2 

B. IGMPv3 

C. IGMP v3lite 

D. URD 

E. CGMP 

F. IGMPv1 

Answer: B,C,D 


Q173. Which two OSPF LSA types are flooded within the originating area? (Choose two.) 

A. type 1, Router LSA 

B. type 2, Network LSA 

C. type 3, Network Summary LSA 

D. type 4, ASBR Summary LSA 

E. type 6, Group Membership LSA 

F. type 9, Opaque LSA 

Answer: A,B 

Explanation: 

OSPF relies on several types of Link State Advertisements (LSAs) to communicate link state information between neighbors. A brief review of the most applicable LSA types: 

. Type 1 - Represents a router 

. Type 2 - Represents the pseudonode (designated router) for a multiaccess link 

. Type 3 - A network link summary (internal route) 

. Type 4 - Represents an ASBR 

. Type 5 - A route external to the OSPF domain 

. Type 7 - Used in stub areas in place of a type 5 LSA LSA types 1 and 2 are found in all areas, and are never flooded outside of an area. They are only flooded within the area that they originated from. 

Reference: http://packetlife.net/blog/2008/jun/24/ospf-area-types/ 


Q174. DRAG DROP 

Drag and drop the fragmentation characteristics on the left to the corresponding protocol on the right. 

Answer: 


Q175. Which component of the BGP ORF can you use to permit and deny routing updates? 

A. match 

B. action 

C. AFI 

D. SAFI 

E. ORF type 

Answer:


Replace 400-101 exam price:

Q176. What are two benefits of Per-Tunnel QoS for DMVPN? (Choose two.) 

A. The administrator can configure criteria that, when matched, can automatically set up QoS for each spoke as it comes online. 

B. Traffic from each spoke to the hub can be regulated individually. 

C. When traffic exceeds a configurable threshold, the spokes can automatically set up QoS with the hub. 

D. The hub can send large packets to a spoke during allotted timeframes. 

E. The hub can be regulated to prevent overloading small spokes. 

Answer: A,E 


Q177. Which two statements about a network running MPLS VPN with IS-IS IGP are true? (Choose two.) 

A. IS-IS traffic engineering uses wide metric TLV type 135 with an up/down bit to define a leaked route. 

B. IS-IS traffic engineering uses wide metric TLV type 128 with an internal/external bit and an up/down bit to define a leaked route. 

C. IS-IS traffic engineering uses wide metric TLV type 130 with an internal/external bit and an up/down bit to define a leaked route. 

D. If the IS-IS up/down bit is set to 1, the leaked route originated in the L1 area. 

E. The MPLS VPN IS-IS core is inherently protected against IP-based attacks. 

Answer: A,E 


Q178. Refer to the exhibit. 

Which BGP feature allows R1 to instruct R2 which prefixes it is allowed to advertise to R1? 

A. route refresh 

B. Prefix-Based Outbound Route Filtering 

C. distribute lists 

D. prefix lists 

Answer:


Q179. On a network using RIPng, the prefix field of a routing table entry has a value of 0:0:0:0:0:0:0:0. What does this value signify? 

A. The next hop address is unknown. 

B. The next hop address is a site-local address. 

C. The neighboring router has IPv6 ND disabled. 

D. The next hop address must be the originator of the route advertisement. 

E. The associated route follows a default route out of the network. 

Answer:


Q180. Which topology allows the split-horizon rule to be safely disabled when using EIGRP? 

A. full mesh 

B. partial mesh 

C. hub and spoke 

D. ring 

Answer: