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Layer 2 & Layer 3 Technologies (350-401 ENCOR) Flashcards
Cisco CCNP Enterprise 350-401-ENCOR Flashcards
Study our Layer 2 & Layer 3 Technologies (350-401 ENCOR) flashcards for the Cisco CCNP Enterprise 350-401-ENCOR exam with 50+ flashcards. View as flashcards, a searchable table, or as a fun matching game.
| Front | Back |
| BGP attribute that prefers highest path | Local Preference |
| BGP attribute used to break ties by shortest AS path | AS Path |
| BGP next hop self command purpose | Set next hop to local router for advertised routes to peers |
| BGP well known mandatory attribute that indicates next hop | Next Hop |
| BPDU stands for | Bridge Protocol Data Unit |
| Command to configure trunk on Cisco switch | switchport mode trunk |
| Command to create port channel interface | interface Port channel number |
| Command to show OSPF neighbors | show ip ospf neighbor |
| Common troubleshooting step for routed networks | Verify interface status routing table and neighbor adjacency |
| EIGRP administrative distance | 90 for internal EIGRP 170 for external |
| EIGRP feasible successor definition | A backup route with reported distance less than feasible distance |
| EIGRP metric components | Bandwidth delay reliability load MTU |
| How to calculate hosts per subnet | 2^hostbits minus 2 |
| How to find network address given IP and mask | Perform bitwise AND between IP and subnet mask |
| ICMPv6 messages used for neighbor discovery | Neighbor Solicitation and Neighbor Advertisement |
| IPv6 address types | Unicast multicast anycast |
| IPv6 link local prefix | fe80::/10 |
| List the private IPv4 network prefixes | 10.0.0.0 172.16.0.0 192.168.0.0 |
| Load balancing options for EtherChannel | By source MAC by destination MAC by IP by port |
| OSPF area 0 purpose | Backbone area required for inter area routing |
| OSPF cost is based on | Interface bandwidth |
| OSPF LSA type that describes networks on a router | Type 1 Router LSA |
| OSPF LSA type used by ABR for summary routes | Type 3 Summary LSA |
| Purpose of PVST | Per VLAN Spanning Tree allows separate STP for each VLAN |
| Purpose of VTP | VLAN Trunking Protocol distributes VLAN information |
| Redistribution risk to avoid | Routing loops and suboptimal routing unless filtering and metrics are used |
| Route redistribution purpose | Inject routes from one routing protocol into another |
| Router on a stick | Single physical interface configured with subinterfaces for multiple VLANs |
| STP port roles | Root Designated Alternate and Backup |
| STP variant that provides faster convergence | RSTP Rapid Spanning Tree Protocol |
| STP version that supports multiple instances per VLAN | MST Multiple Spanning Tree |
| Trunking protocol that negotiates trunks dynamically | DTP Dynamic Trunking Protocol |
| Two Cisco protocols for EtherChannel | PAgP and LACP |
| VLAN type for voice traffic | Voice VLAN |
| What determines the root bridge in STP | Lowest bridge ID which is priority followed by MAC |
| What is administrative distance | Trustworthiness value of a route source lower is more trusted |
| What is an SVI | Switch Virtual Interface used for inter VLAN routing on multilayer switch |
| What is BGP | Path vector protocol used between autonomous systems for Internet routing |
| What is CIDR | Classless Inter Domain Routing uses prefix length notation |
| What is DHCP relay | Agent that forwards DHCP requests between clients and servers on different subnets |
| What is EIGRP | Advanced distance vector IGP that uses DUAL algorithm and feasible successors |
| What is EtherChannel | Link aggregation bundling multiple physical links into one logical link |
| What is inter VLAN routing | Routing traffic between VLANs usually done by router on a stick or multilayer switch |
| What is NAT overload | Many to one NAT also called PAT uses ports to multiplex addresses |
| What is native VLAN | VLAN that carries untagged frames on a trunk |
| What is OSPF | Link state IGP that uses areas and LSAs for routing |
| What is route summarization | Combine contiguous networks into a single advertisement to reduce routing table size |
| What is SLAAC | Stateless Address Autoconfiguration allows hosts to self assign IPv6 addresses |
| What is STP | Protocol that prevents Layer 2 loops by blocking redundant links |
| What is VLSM | Variable Length Subnet Masking allows subnets of different sizes |
About the Flashcards
Flashcards for the Cisco CCNP Enterprise exam give you quick recall of essential switching, VLAN, and link-aggregation concepts. Review how Spanning Tree variants prevent loops, identify BPDU roles and root-bridge election, understand how trunks and VTP manage VLAN information, and see how EtherChannel bundles links for resilience and throughput.
They also reinforce routing and addressing skills, from inter-VLAN routing with SVIs or router-on-a-stick to OSPF areas, EIGRP metrics, BGP path selection, and safe route redistribution with correct administrative distance. Practice subnetting math, VLSM planning, NAT overload, DHCP relay, IPv6 SLAAC, and neighbor discovery so you can solve exam scenarios accurately and swiftly.
Topics covered in this flashcard deck:
- Spanning Tree variants
- VLANs and trunking
- EtherChannel aggregation
- OSPF, EIGRP, BGP routing
- IPv4 and IPv6 addressing
- Subnetting, NAT, DHCP