CCNA 1 (v5.1 + v6.0) Chapter 4 Exam Answers for Network Access Read Chapter wise CCNA 1 Exam Answers (v5.1 + v6.0) CCNA 1 Chapter 4 Exam Answers 2020 1. What are two reasons for physical layer protocols to use frame encoding techniques? (Choose two.) to reduce the number of collisions on the media to distinguish data bits from control bits* to provide better media … [Read more...]