CCNA 1 Chapter 5 Exam Answers 1. Convert the binary number 10111010 into its hexadecimal equivalent. Select the correct answer from the list below. 85 90 BA* A1 B3 1C 2. The failure rate in a certain brand of network interface card has been determined to be 15%. How many cards could be expected to fail in a company that has 80 of the cards installed? 8 10 12* 15 3. A local real estate company can have its 25 computer systems upgraded for $1000. If the company chooses only to upgrade 10 systems, how much will the upgrade cost…