Chapter 1
1. A, B, and D. Modular network design means you can add and remove modules from the network without disrupting the entire data center. Therefore, modular designs are scalable, highly available, and simple to manage.
2. A and C. The data center core layer provides connectivity to the aggregation layer devices. Because it is a critical component of a data center where all traffic from the one aggregation to another aggregation traverses the core layer, it is always deployed in high availability mode.
3. B and C. The data center aggregation layer provides policy-based network connectivity and connectivity to network-based services.
4. A. Access layer provides connectivity to the server.
5. C. A Collapsed-Core data center network provides ...
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