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1 | |
An IPv4 address is __________ bits long. |
| | A) | 16 |
| | B) | 128 |
| | C) | 32 |
| | D) | None of the choices are correct |
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2 | |
An IPv4 address is normally represented in base ____ or dotted-decimal notation. |
| | A) | 16 |
| | B) | 265 |
| | C) | 10 |
| | D) | None of the choices are correct |
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3 | |
In classful addressing, the IPv4 address space is divided into __________ classes. |
| | A) | 3 |
| | B) | 4 |
| | C) | 5 |
| | D) | None of the choices are correct |
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4 | |
In class A, the netid is between ______________. |
| | A) | 0 to 127 |
| | B) | 128 to 191 |
| | C) | 192 to 223 |
| | D) | None of the choices are correct |
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5 | |
In class B, the netid is between ______________. |
| | A) | 0 to 127 |
| | B) | 128 to 191 |
| | C) | 192 to 223 |
| | D) | None of the choices are correct |
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6 | |
In class C, the netid is between ______________. |
| | A) | 0 to 127 |
| | B) | 128 to 191 |
| | C) | 192 to 223 |
| | D) | None of the choices are correct |
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7 | |
The default mask for class A is ______________. |
| | A) | 255.255.0.0 |
| | B) | 255.0.0.0. |
| | C) | 255.255.255.0 |
| | D) | None of the choices are correct |
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8 | |
The default mask for class B is ______________. |
| | A) | 255.255.0.0 |
| | B) | 255.0.0.0. |
| | C) | 255.255.255.0 |
| | D) | None of the choices are correct |
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9 | |
The default mask for class C is ______________. |
| | A) | 255.255.0.0 |
| | B) | 255.0.0.0. |
| | C) | 255.255.255.0 |
| | D) | None of the choices are correct |
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10 | |
The default mask for class D is ______________. |
| | A) | 255.255.0.0 |
| | B) | 255.0.0.0. |
| | C) | 255.255.255.0 |
| | D) | None of the choices are correct |
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11 | |
The default mask for class E is ______________. |
| | A) | 255.255.0.0 |
| | B) | 255.0.0.0. |
| | C) | 255.255.255.0 |
| | D) | None of the choices are correct |
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12 | |
In classless addressing, __________ is assigned to a organization. |
| | A) | a variable-length block |
| | B) | a fixed-length |
| | C) | a fixed number of blocks |
| | D) | None of the choices are correct |
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13 | |
The number of addresses assigned to an organization in classless addressing _______. |
| | A) | can be any number |
| | B) | must be a multiple of 256 |
| | C) | must be a power of 2 |
| | D) | None of the choices are correct |
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14 | |
The first address assigned to an organization in classless addressing _______. |
| | A) | must be a power of 4 |
| | B) | must be evenly divisible by the number of addresses |
| | C) | must belong to one of the A, B, or C classes |
| | D) | None of the choices are correct |
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15 | |
Which address could be the beginning address of a block of 32 classless addresses? |
| | A) | 2.4.6.5 |
| | B) | 2.4.6.16 |
| | C) | 2.4.6.64 |
| | D) | None of the choices are correct |
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16 | |
Which address could be the beginning address of a block of 16 classless addresses? |
| | A) | 2.4.6.5 |
| | B) | 2.4.6.15 |
| | C) | 2.4.6.62 |
| | D) | None of the choices are correct |
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17 | |
Which address could be the beginning address of a block of 256 classless addresses? |
| | A) | 2.4.6.5 |
| | B) | 2.4.6.15 |
| | C) | 2.4.6.0 |
| | D) | None of the choices are correct |
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18 | |
What is the first address of a block of classless addresses if one of the addresses is 12.2.2.76/27? |
| | A) | 12.2.2.0 |
| | B) | 12.2.2.32 |
| | C) | 12.2.2.64 |
| | D) | None of the choices are correct |
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19 | |
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 choices are correct |
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20 | |
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 choices are correct |
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21 | |
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 choices are correct |
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22 | |
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 choices are correct |
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23 | |
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 choices are correct |
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24 | |
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 choices are correct |
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25 | |
In fixed-length subnetting, the number of subnets must _______. |
| | A) | be a power of 2 |
| | B) | be a multiple of 128 |
| | C) | be divisible by 128 |
| | D) | None of the choices are correct |
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26 | |
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 choices are correct |
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27 | |
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 choices are correct |
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28 | |
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 choices are correct |
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29 | |
An organization is granted a block of classless addresses with the starting address 199.34.76.128/29. How many addresses are granted? |
| | A) | 8 |
| | B) | 16 |
| | C) | 32 |
| | D) | None of the choices are correct |
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30 | |
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 choices are correct |
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31 | |
What is the default mask for class A in CIDR notation? |
| | A) | /9 |
| | B) | /8 |
| | C) | /16 |
| | D) | None of the choices are correct |
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32 | |
What is the default mask for class B in CIDR notation? |
| | A) | /9 |
| | B) | /8 |
| | C) | /16 |
| | D) | None of the choices are correct |
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33 | |
What is the default mask for class C in CIDR notation? |
| | A) | /24 |
| | B) | /8 |
| | C) | /16 |
| | D) | None of the choices are correct |
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34 | |
In ________ addressing, when an address is given, we can find the beginning address and the range of addresses. |
| | A) | classless |
| | B) | classful |
| | C) | both classless and classful |
| | D) | None of the choices are correct |
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35 | |
In classless addressing, the ______ is another name for the common part of the address range. |
| | A) | suffix |
| | B) | prefix |
| | C) | netid |
| | D) | None of the choices are correct |
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36 | |
In classless addressing, the _______ is the varying part (similar to the hostid). |
| | A) | suffix |
| | B) | prefix |
| | C) | hostid |
| | D) | None of the choices are correct |
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37 | |
In classless addressing, the prefix length defines the _____________. |
| | A) | netid |
| | B) | hostid |
| | C) | mask |
| | D) | None of the choices are correct |
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38 | |
In a block, the prefix length is /22; what is the mask? |
| | A) | 255.255.255.0 |
| | B) | 255.255.252.0 |
| | C) | 255.255.0.0 |
| | D) | None of the choices are correct |
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39 | |
In a block, the prefix length is /15; what is the mask? |
| | A) | 255.254.0.0 |
| | B) | 255.255.255.0 |
| | C) | 255.255.255.128 |
| | D) | None of the choices are correct |
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40 | |
In a block, the mask is 255.255.192.0; what is the prefix length? |
| | A) | /20 |
| | B) | /28 |
| | C) | /18 |
| | D) | None of the choices are correct |
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41 | |
In a block, the mask is 255.255.255.224; what is the prefix length? |
| | A) | /20 |
| | B) | /19 |
| | C) | /20 |
| | D) | None of the choices are correct |
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