IP Routing
This is a rating of trustworthiness of a routing information source, used as a tiebreaker for path selection when multiple protocols advertise the same route prefix
What is administrative distance
This is the AD of EIGRP
What is 90
This OSPF area is known as the backbone
What is Area 0
BGP neighbors are not discovered via hello packets, but instead explicitly by this attribute
What is IP address
This multicast address represents all hosts in a given subnet
What is 224.0.0.1
What is equal-cost multipathing
This is the reference bandwidth EIGRP uses with default metric calculation
What is 10Gbps
This OSPF router is the only router that forms full adjacencies with all other participating routers
What is designated router or DR
This BGP attribute is used as a loop prevention mechanism
What is AS_Path
These two protocols are essential to multicast communication
What are IGMP and PIM
This category of routing protocols, named for the algorithm used to calculate routes, typically require more CPU and memory due to leveraging a complete map of the network
What are link-state routing protocols
This is the algorithm used by EIGRP to identify network paths and enable fast convergence
<<DAILY DOUBLE>>
These two timers must match in order for a neighbor adjacency to form
What are hello and dead timers
These BGP constructs go beyond basic filtering and can manipulate BGP path attributes as well
What are route maps
This method can be used to avoid flooding of multicast frames in a layer 2 network
What is IGMP snooping
This command is the first step in creating isolated routing and forwarding tables
What is #vrf definition vrf-name
This is the name of a backup route in EIGRP
These three variables must be specified in the OSPF network statement
What are IP address, wildcard mask, and area ID
This is the second criteria compared to identify best-path in the case of equivalent prefix lengths
What is local preference
This algorithm is used to prevent loops and ensure multicast traffic is arriving on the correct interface
What is Reverse Path Forwarding or RPF
This command enables IPv6
What is #ipv6 unicast routing
These are the five packet types EIGRP uses to communicate with other routers
What are Update, Request, Query, Reply, and Hello
This is the function of a Type 3 LSA
What is summary LSA which advertises network prefixes from other areas
These are the four types of BGP packets
What are open, update, notification, and keepalive
In PIM Sparse Mode, this is a Cisco proprietary way to dynamically elect mandatory common routes throughout the network
What are Auto Rendezvous Points or Auto-RP