MicroNugget: What does the Cisco CCENT 100-101 Exam Look Like?
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In this video, Anthony Sequeira covers a question from a sample exam for Cisco’s now-retired 100-101 exam. The 100-101 exam is retired, but what Anthony walks you through remains important knowledge: What benefits could be gained from collapsing a network into a single OSPF area.
The CCENT certification program was retired by Cisco, but familiarity with OSPF fundamentals remains an important skill for anyone considering a networking career.
Say you had a network with multiple areas, two non-backbone areas connected to a central backbone area. Consider the drawbacks and benefits to collapsing those areas into one.
For one, after collapsing them, the routers would have identical link state databases for all the prefixes in the environment, meaning that a change in the environment would have to be communicated everywhere — so the routers are going to have more overhead.
On the other hand, a single area would be simpler to configure and there’d never be a need for a virtual link. Anthony makes sure you know how to balance all the considerations, while exploring your OSPF knowledge.
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