Module 1 Exam Answers

1. Several computers in the company require new NICs. A technician has located a good price on the Internet for the purchase of these NICs. Before these NICs are purchased and installed, what details must be verified? (Choose three.)
• the MAC address on
• the NICthe size of the RAM on the NIC
• the bandwidth supported by the NIC
• the type of media supported by the NIC
• the type of network architecture supported by the NIC

2. What is the hexadecimal equivalent for the binary number 00100101?
• 15
• 20
• 25
• 30
• 37
• 40

3. Which phrases describe a byte? (Choose two.)
• a single binary digit
• +5 volts of electricity
• the value range 0 to 127
• a grouping of eight binary digits
• a single addressable data storage location

4. Which specialized equipment is used to make a physical connection from a PC to a network?
• router
• RAM
• CD ROM
• network interface card

5. What is the binary equivalent for the decimal number 248?
• 11100000
• 11110000
• 11110100
• 11111000

6. Convert the binary number 01011011 into its hexadecimal equivalent.
Select the correct answer from the list below.
• 5A
• 5b
• 5c
• 5d
• 6b
• 7a

7. What is the binary equivalent for decimal number 149?
• 10010111
• 10010101
• 10011001
• 10010111
• 10101011
• 10101101

8. In an 8 bit binary number, what is the total number of combinations of the eight bits?
• 128
• 254
• 255
• 256
• 512
• 1024

9. Which device connects a computer with a telephone line by providing modulation and demodulation of incoming and outgoing data?
• NIC
• CSU/DSU
• router
• modem
• telco switch

10. What is the binary equivalent for the decimal number 162?
• 10101010
• 10100010
• 10100100
• 10101101
• 10110000
• 10101100

11. Which of the following are popular web browsers? (Choose two.)
• Acrobat
• Internet Explorer
• Macromedia Flash
• Netscape Navigator
• Quicktime
• World Wide Web

12. Convert the Base 10 number 116 into its eight bit binary equivalent. Choose the correct answer from the following list:
• 01111010
• 01110010
• 01110100
• 01110110
• 01110111
• 01010110

13. What is the hexadecimal equivalent for the binary number 10001110?
• 22
• 67
• 142
• AE
• 8E

14. Represented as a decimal number, what is the result of the logical ANDing of binary numbers 00100011 and 11111100?
• 3
• 32
• 35
• 220
• 255

15. Convert the decimal number 231 into its binary equivalent. Select the correct answer from the list below.
• 11110010
• 11011011
• 11110110
• 11100111
• 11100101
• 11101110

16. What are three conditions that would require a network administrator to install a new NIC? (Choose three.)
• whenever a NIC is damaged
• when there is a need to provide a secondary or backup NIC
• when there is a change from copper media to wireless

• whenever operating system security patches are applied
• whenever the PC has been moved to a different location

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