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| 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 NIC | |
| the 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 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 |
—
| 3. What is the hexadecimal equivalent for the binary number 10001110? | |
| 22 | |
| 67 | |
| 142 | |
| AE | |
| 8E |
—
| 4. Represented as a decimal number, what is the result of the logical ANDing of binary numbers 00100011 and 11111100? | |
| 3 | |
| 32 | |
| 35 | |
| 220 | |
| 255 |
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| 5. What is the binary equivalent for the decimal number 248? | |
| 11100000 | |
| 11110000 | |
| 11110100 | |
| 11111000 |
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| 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 the decimal number 162? | |
| 10101010 | |
| 10100010 | |
| 10100100 | |
| 10101101 | |
| 10110000 | |
| 10101100 |
—
| 8. 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 |
—
| 9. 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 |
—
| 10. Which specialized equipment is used to make a physical connection from a PC to a network? | |
| router | |
| RAM | |
| CD ROM | |
| network interface card |
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| 11. 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 |
—
| 12. What is the hexadecimal equivalent for the binary number 00100101? | |
| 15 | |
| 20 | |
| 25 | |
| 30 | |
| 37 | |
| 40 |
—
| 13. In an 8 bit binary number, what is the total number of combinations of the eight bits? | |
| 128 | |
| 254 | |
| 255 | |
| 256 | |
| 512 | |
| 1024 |
—
| 14. Which of the following are popular web browsers? (Choose two.) | |
| Acrobat | |
| Internet Explorer | |
| Macromedia Flash | |
| Netscape Navigator | |
| Quicktime | |
| World Wide Web |
—
| 15. Convert the decimal number 231 into its binary equivalent. Select the correct answer from the list below. | |
| 11110010 | |
| 11011011 | |
| 11110110 | |
| 11100111 | |
| 11100101 | |
| 11101110 |
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