400-101 exam

Which two statements about WRED are true? (Choose two)A . It is a congestion-avoidance mechanismB . It is a packet-classification mechanismC . It is a congestion-management mechanismD . It drops IP traffic before non-IP trafficE . It can be configured on the same interface as WFQF . It is most...

Which prefix list matches and permits all RFC 1918 network 10.0.0.0 routes that have masks of /16 through /24?A . ip prefix-list foo seq 10 permit 10.0.0.0/16 ge 15 le 25B . ip prefix-list foo seq 10 permit 10.0.0.0/8 ge 15 le 25C . ip prefix-list foo seq 10 permit...

What are two pieces of information that can be transmitted via Multiprotocol BGP? (Choose two)A . Level 2 routes set the attached bitB . MPLS VPN routesC . Multicast sourcesD . IS-IS LSAsE . Level 1/level 2 routers set the overload bitF . OSPF routesView AnswerAnswer: B, C

Which statement about BGP synchronization rule is true?A . A BGP router with synchronization enabled does not advertise its eBGP learned routes to its iBGP peers unless it has learned or verified this route on its routing table through a IGPB . A BGP router with synchronization enabled does not...

Which two statements about PIM-DM are true? (Choose two)A . It requires an RPB . It forwards multicast packets to neighbors that have required the dataC . It forwards multicast packets on a shared distribution treeD . It forwards multicast packets on a source treeE . It floods multicast packets...

Which technology, implemented on aggregation-edge nodes at the aggregation layer, provides per-tenant isolation at Layer 3, with separate dedicated per-tenant routing and forwarding tables on the inside interfaces of firewall context?A . VRF-LiteB . VLANC . VDCD . VXLANView AnswerAnswer: A

Which three values are used to generate a unique bridge ID for each VLAN in PVST+? (Choose three.)A . port costB . spanning-tree MAC addressC . port priorityD . max ageE . extended system IDF . switch priorityView AnswerAnswer: B, E, F

Which three configuration settings must match for switches to be in the same MST region? (Choose three)A . Region nameB . PasswordC . VLSN-to-instance assignmentD . Domain nameE . Revision numberF . VLAN namesView AnswerAnswer: A, C, E

How does MSTP maintain compatibility with RSTP?A . RSTP encodes region information from an MSTP BPDU into a single instance.B . M7STP supports five port states in the same way as RSTD . MSTP sends all spanning-tree information in one BPDF . RSTP implements a TTL that is compatible with...

Which two conditions must be met by default to implement the BGP multipath feature? (Choose two)A . MPLS must be enabled.B . The next-hop routers must be the same.C . The next-hop routers must be different.D . Route reflectors must be enabled.E . All attributes must have the same values.View...