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CCNA Data Center DCICT 200-155 Official Cert Guide by Ozden Karakok, Ahmed Afrose, Hesham Fayed, David Klebanov, Navaid Shamsee

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Appendix A. Answers to the “Do I Know This Already?” Quizzes

Chapter 1

1. A, B, and D. Explanation: There are several benefits of using port channels. Bundling multiple Ethernet links into a logical port channel provides increased capacity. Traffic is load-balanced across the port channel member ports. If one of the member ports goes down, the port channel is still operational; therefore, it provides high availability.

2. A, B, and D. Explanation: To create a port channel, the following port attributes must match: speed, duplex, and flow control.

3. A, C, and D. Explanation: Static port channel is created using mode On. Port Channel with LACP can use mode Active or Passive.

4. B. Explanation: Passive mode puts the port into a passive negotiating ...

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