41. | What is the first address of a block of classless addresses if one of the addresses is 12.2.2.76/10? |
a. | 12.0.0.0 |
b. | 12.2.0.0 |
c. | 12.2.2.2 |
d. | none of the above |
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Answer: (a).12.0.0.0
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42. | What is the first address of a block of classless addresses if one of the addresses is 12.2.2.127/28? |
a. | 12.2.2.0 |
b. | 12.2.2.96 |
c. | 12.2.2.112 |
d. | none of the above |
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Answer: (c).12.2.2.112
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43. | Find the number of addresses in a block of classless addresses if one of the addresses is 12.2.2.7/24. |
a. | 32 |
b. | 64 |
c. | 256 |
d. | none of the above |
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Answer: (c).256
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44. | Find the number of addresses in a block of classless addresses if one of the addresses is 12.2.2.7/30. |
a. | 2 |
b. | 4 |
c. | 8 |
d. | none of the above |
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Answer: (b).4
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45. | What is the last address of a block of classless addresses if one of the addresses is 12.2.2.127/28? |
a. | 12.2.2.16 |
b. | 12.2.2.112 |
c. | 12.2.2.127 |
d. | none of the above |
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Answer: (c).12.2.2.127
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46. | What is the last address of a block of classless addresses if one of the addresses is 12.2.2.6/30? |
a. | 12.2.2.2 |
b. | 12.2.2.6 |
c. | 12.2.2.7 |
d. | none of the above |
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Answer: (c).12.2.2.7
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47. | An organization is granted a block; one address is 2.2.2.64/20. The organization needs 10 subnets. What is the subnet prefix length? |
a. | /20 |
b. | /24 |
c. | /25 |
d. | none of the above |
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Answer: (b)./24
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48. | An organization is granted a block; one address is 2.2.2.64/25. If the subnet prefix length is /28, what is the maximum number of subnets? |
a. | 2 |
b. | 4 |
c. | 8 |
d. | none of the above |
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Answer: (c).8
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49. | An organization is granted a block of classless addresses with the starting address 199.34.76.64/28. How many addresses are granted? |
a. | 8 |
b. | 16 |
c. | 32 |
d. | none of the above |
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Answer: (b).16
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50. | An organization is granted a block of classless addresses with the starting address 199.34.32.0/27. How many addresses are granted? |
a. | 8 |
b. | 16 |
c. | 32 |
d. | none of the above |
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Answer: (c).32
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