TAILIEUCHUNG - CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 105

Cisco Networking Academy Program CCNA 1 and 2 Companion Guide, Revised part 105 is the Cisco approved textbook to use alongside version of the Cisco Networking Academy Program CCNA 1 and CCNA 2 web-based courses. The topics covered provide you with the necessary knowledge to begin your preparation for the CCNA certification exam (640-801, or 640-821 and 640-811) and to enter the field of network administration. | Page 1009 Tuesday May 20 2003 2 53 PM Appendix C Check Your Understanding Answer Key This appendix contains the answers to the Check Your Understanding review questions at the end of each chapter. Chapter 1 1. The connection to the Internet can be broken down into which of the following D. All of the above 2. What is the main circuit board of a computer B. Motherboard 3. What are PCMCIA slots A. Slots used in laptops 4. What is a NIC B. A printed circuit board that provides network communication 5. Which of the following is are the resource s you need before you install a NIC D. All of the above 6. Which number system is based on powers of 2 C. Binary Page 1010 Tuesday May 20 2003 2 53 PM 1010 Appendix C Check Your Understanding Answer Key 7. Match the following terms with their definitions 1. Bit 2. Byte 3. kbps 4. MHz A. The smallest unit of data in a computer B. A standard measurement of the rate at which data is transferred over a network connection C. A unit of frequency the rate of change in the state or cycle in a sound wave alternating current or another cyclical waveform D. A unit of measure that describes the size of a data file the amount of space on a disk or another storage medium or the amount of data being transferred over a network Answers 1-A 2-D 3-B 4-C 8. What is the largest decimal value that can be stored in 1 byte C. 255 9. What is the decimal number 151 in binary B. 10010111 10. What is the binary number 11011010 in decimal C. 218 11. What is the binary number 0010000100000000 in hexadecimal A. 0x2100 12. What is the hexadecimal number 0x2101 in binary A. 0010 0001 0000 0001 13. Which of the following statements is true of ping D. All of the above Page 1011 Tuesday May 20 2003 2 53 PM Chapter 2 1011 Chapter 2 1. What was the first type of microcomputer network to be implemented C. LAN 2. Using modem connections how many modems would it take to allow connections from ten computers C. Ten 3. What is a code that is

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