At which layer of the network is route summarization recommended?
A.
data link layer
B.
core layer
C.
distribution layer
D.
access layer
Explanation:
Distribution
Policy-based connectivity
Redundancy and load balancing
Aggregation of LAN wiring closets
Aggregation of WAN connections
QoS
Security filtering
Address or area aggregation or summarization
Departmental or workgroup access
Broadcast or multicast domain definition
Routing between VIANs
Media translations (for example, between Ethernet and Token Ring)
Redistribution between routing domains (for example, between two different routing protocols)
Demarcation between static and dynamic routing protocols