Chapter 1
1. C. The Split Horizon feature prevents a route learned on one interface from being advertised back out of that same interface.
The Summarization feature allows multiple contiguous networks to be represented with a single route advertisement.
The Poison Reverse feature causes a route received on one interface to be advertised back out of that same interface with a metric considered to be infinite.
Convergence is the speed at which a backup route takes over for a failed preferred route.
2. B and C. Both RIP and EIGRP are distance-vector routing protocols, although EIGRP is considered an advanced distance-vector routing protocol.
Both OSPF and IS-IS are link-state routing protocols, and BGP is a path-vector routing protocol.
3. D. A ...
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