 |
1 | |
An IPv4 address consists of _______ bits. |
|
| | A) | 4 |
| | B) | 8 |
| | C) | 32 |
| | D) | 64 |
|
2 | |
In IPv4, class _______ has the greatest number of addresses in each block. |
|
| | A) | A |
| | B) | B |
| | C) | C |
| | D) | D |
|
3 | |
Identify the class of the following IPv4 address: 4.5.6.7. |
|
| | A) | A |
| | B) | B |
| | C) | C |
| | D) | none of the above |
|
4 | |
Identify the class of the following IPv4 address: 229.1.2.3. |
|
| | A) | A |
| | B) | B |
| | C) | D |
| | D) | none of the above |
|
5 | |
Identify the class of the following IPv4 address: 191.1.2.3. |
|
| | A) | A |
| | B) | B |
| | C) | C |
| | D) | none of the above |
|
6 | |
What is the result of ANDing 255 and 15? |
|
| | A) | 255 |
| | B) | 15 |
| | C) | 0 |
| | D) | none of the above |
|
7 | |
What is the result of ANDing 0 and 15? |
|
| | A) | 255 |
| | B) | 15 |
| | C) | 0 |
| | D) | none of the above |
|
8 | |
What is the result of ANDing 254 and 15? |
|
| | A) | 254 |
| | B) | 14 |
| | C) | 0 |
| | D) | none of the above |
|
9 | |
What is the result of ANDing 192 and 65? |
|
| | A) | 192 |
| | B) | 65 |
| | C) | 64 |
| | D) | none of the above |
|
10 | |
Which one is not a contiguous mask? |
|
| | A) | 255.255.255.254 |
| | B) | 255.255.224.0 |
| | C) | 255.148.0.0 |
| | D) | all are |
|
11 | |
The number of addresses in a class C block is _______. |
|
| | A) | 65,534 |
| | B) | 16,777,216 |
| | C) | 256 |
| | D) | none of the above |
|
12 | |
The number of addresses in a class B block is _______. |
|
| | A) | 65,536 |
| | B) | 16,777,216 |
| | C) | 256 |
| | D) | none of the above |
|
13 | |
The number of addresses in a class A block is _______. |
|
| | A) | 65,534 |
| | B) | 16,777,216 |
| | C) | 256 |
| | D) | none of the above |
|
14 | |
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 above |
|
15 | |
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 above |
|
16 | |
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 above |
|
17 | |
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 above |
|
18 | |
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 above |
|
19 | |
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 above |
|
20 | |
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 |
|
21 | |
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 |
|
22 | |
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 |
|
23 | |
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 |
|
24 | |
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 |
|
25 | |
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 |
|
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 above |
|
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 above |
|
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 above |
|
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 above |
|
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 above |
|
31 | |
What is the default mask for class A in CIDR notation? |
|
| | A) | /9 |
| | B) | /8 |
| | C) | /16 |
| | D) | none of the above |
|
32 | |
What is the default mask for class B in CIDR notation? |
|
| | A) | /9 |
| | B) | /8 |
| | C) | /16 |
| | D) | none of the above |
|
33 | |
What is the default mask for class C in CIDR notation? |
|
| | A) | /24 |
| | B) | /8 |
| | C) | /16 |
| | D) | none of the above |
|
34 | |
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 above |
|
35 | |
In classless addressing, the _______ is the varying part (similar to the hostid). |
|
| | A) | suffix |
| | B) | prefix |
| | C) | hostid |
| | D) | none of the above |
|
36 | |
In classless addressing, the prefix length defines the _____________. |
|
| | A) | netid |
| | B) | hostid |
| | C) | mask |
| | D) | none of the above |
|
37 | |
In a block, the prefix length is /24; what is the mask? |
|
| | A) | 255.255.255.0 |
| | B) | 255.255.242.0 |
| | C) | 255.255.0.0 |
| | D) | none of the above |
|
38 | |
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 above |
|
39 | |
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 above |
|
40 | |
An IPv6 address is _________ bits long. |
|
| | A) | 32 |
| | B) | 64 |
| | C) | 128 |
| | D) | none of the above |
|
41 | |
An IPv6 address consists of ________ bytes (octets); |
|
| | A) | 4 |
| | B) | 8 |
| | C) | 16 |
| | D) | none of the above |
|
42 | |
To make addresses more readable, IPv6 specifies ____________notation. |
|
| | A) | dotted decimal |
| | B) | hexadecimal colon |
| | C) | both a and b |
| | D) | none of the above |
|
43 | |
In hexadecimal colon notation, a 128-bit address is divided into _______ sections, each _____ hexadecimal digits in length. |
|
| | A) | 8: 2 |
| | B) | 8: 3 |
| | C) | 8: 4 |
| | D) | none of the above |
|
44 | |
An IPv6 address can have up to __________ colons. |
|
| | A) | 8 |
| | B) | 7 |
| | C) | 4 |
| | D) | none of the above |
|
45 | |
An IPv6 address can have up to __________ hexadecimal digits. |
|
| | A) | 16 |
| | B) | 32 |
| | C) | 8 |
| | D) | none of the above |
|
46 | |
In IPv6, _______ address defines a single computer. |
|
| | A) | a unicast |
| | B) | a multicast |
| | C) | an anycast |
| | D) | none of the above |
|
47 | |
In IPv6, ____ address defines a group of computers with addresses that have the same prefix. |
|
| | A) | a unicast |
| | B) | a multicast |
| | C) | an anycast |
| | D) | none of the above |
|
48 | |
In IPv6, _________ address defines a group of computers. |
|
| | A) | a unicast |
| | B) | a multicast |
| | C) | an anycast |
| | D) | none of the above |
|
49 | |
In IPv6, the ________ prefix defines the purpose of the address. |
|
| | A) | type |
| | B) | purpose |
| | C) | both a and b |
| | D) | none of the above |
|
50 | |
In IPv6, the___________ address is generally used by a normal host as a unicast address. |
|
| | A) | provider-based unicast |
| | B) | link local |
| | C) | site local |
| | D) | none of the above |
|
51 | |
In IPv6, a _________address comprises 80 bits of zero, followed by 16 bits of one, followed by the 32-bit IPv4 address. |
|
| | A) | link local |
| | B) | site local |
| | C) | mapped |
| | D) | none of the above |
|
52 | |
In IPv6, a ___________ address is an address of 96 bits of zero followed by 32 bits of IPv4 address. |
|
| | A) | link local |
| | B) | site local |
| | C) | mapped |
| | D) | none of the above |
|
53 | |
In IPv6, a _______ address is used if a LAN uses the Internet protocols but is not connected to the Internet for security reasons. |
|
| | A) | link local |
| | B) | site local |
| | C) | mapped |
| | D) | none of the above |
|
54 | |
In IPv6, a ______address is used if a site with several networks uses the Internet protocols but is not connected to the Internet for security reasons. |
|
| | A) | link local |
| | B) | site local |
| | C) | mapped |
| | D) | none of the above |