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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 |
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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 |
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3. What is the hexadecimal equivalent for the binary number 10001110? | |
22 | |
67 | |
142 | |
AE | |
8E |
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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 |
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7. What is the binary equivalent for the decimal number 162? | |
10101010 | |
10100010 | |
10100100 | |
10101101 | |
10110000 | |
10101100 |
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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 |
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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 |
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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 |
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12. What is the hexadecimal equivalent for the binary number 00100101? | |
15 | |
20 | |
25 | |
30 | |
37 | |
40 |
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13. In an 8 bit binary number, what is the total number of combinations of the eight bits? | |
128 | |
254 | |
255 | |
256 | |
512 | |
1024 |
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14. Which of the following are popular web browsers? (Choose two.) | |
Acrobat | |
Internet Explorer | |
Macromedia Flash | |
Netscape Navigator | |
Quicktime | |
World Wide Web |
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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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