>>> Chương 3
1. Identify the class of the following IP address: 4.5.6.7.
a./ class Ab./ class Bc./ class Cd./ none of the above 2. Identify the class of the following IP address: 229.1.2.3.
a./ class Ab./ class Bc./ class D
d./ none of the above 3. Identify the class of the following IP address: 191.1.2.3.
a./ class Ab./ class Bc./ class Cd./ none of the above 4. Which of the following is true of the IP address 231.1.2.3?
a./ The netid is 231.b./ The class is D.
c./ The hostid is 1.2.3.
d./ none of the above
5. Which of the following is true of the IP address 192.0.0.10?
a./ The netid is 192.
b./ The hostid is 0.10.
c./ The network address is 192.0.0.0.
d./ none of the above
6. Using the direct broadcast address, a _______ sends a packet to _______ on the network.
a./ host; all other hosts
b./ router; all other hosts
c./ host; a specific host
d./ none of the above
7. Using the limited broadcast address, a _______ sends a packet to _______ on the network.
c./ The hostid is 1.2.3.d./ none of the above
5. Which of the following is true of the IP address 192.0.0.10?
a./
The netid is 192.b./ The hostid is 0.10.
c./ The network address is 192.0.0.0.
d./ none of the above
6. Using the direct broadcast address, a _______ sends a packet to _______ on the network.
a./ host; all other hostsb./ router; all other hosts
c./ host; a specific hostd./ none of the above 7. Using the limited broadcast address, a _______ sends a packet to _______ on the network.
a./ host; all other hosts
b./ router; all other hosts
c./ host; a specific host
d./ none of the above
8. The loopback address is used to send a packet from the _______ to _______.
b./ router; all other hosts
c./ host; a specific hostd./ none of the above 8. The loopback address is used to send a packet from the _______ to _______.
a./ host; all other hosts
b./ router; all other hosts
c./ host; a specific host
d./ none of the above
9. A host can get its IP address from its server by using _______ as the source address and _______ as the destination address.
b./ router; all other hosts
c./ host; a specific hostd./ none of the above 9. A host can get its IP address from its server by using _______ as the source address and _______ as the destination address.
a./ 255.255.255.255; 0.0.0.0
b./ 127.0.0.0; 255.255.255.255
c./ 0.0.0.0; 255.255.255.255
d./ none of the above
10. A host with an IP address of 142.5.0.1 needs to test internal software. What is the destination address in the packet?
b./ 127.0.0.0; 255.255.255.255
c./ 0.0.0.0; 255.255.255.255d./ none of the above 10. A host with an IP address of 142.5.0.1 needs to test internal software. What is the destination address in the packet?
a./ 131.0.0.0
b./ 127.1.1.1
c./ 129.1.127.127
d./ none of the above
11. What is the result of ANDing 255 and 15?
a./ 255
b./ 127.1.1.1
c./ 129.1.127.127d./ none of the above 11. What is the result of ANDing 255 and 15?
a./ 255
b./ 15
c./ 0
d./ none of the above
12. What is the result of ANDing 0 and 15?
a./ 255
b./ 15
c./ 0
d./ none of the above
13. What is the result of ANDing 254 and 15?
a./ 254
b./ 14
c./ 0
d./ none of the above
14. What is the result of ANDing 192 and 65?
a./ 192
b./ 65
c./ 64
d./ none of the above
15. A subnet mask in class A has 14 1s. How many subnets does it define?
a./ 32
b./ 8
c./ 64
d./ none of the above
16. A subnet mask in class B has 19 1s. How many subnets does it define?
a./ 8
c./ 0d./
none of the above 12. What is the result of ANDing 0 and 15?
a./ 255b./ 15
c./ 0d./ none of the above
13. What is the result of ANDing 254 and 15?
a./ 254b./ 14
c./ 0
d./ none of the above 14. What is the result of ANDing 192 and 65?
a./ 192b./ 65
c./ 64
d./ none of the above
15. A subnet mask in class A has 14 1s. How many subnets does it define?
a./ 32
b./ 8
c./ 64
d./ none of the above 16. A subnet mask in class B has 19 1s. How many subnets does it define?
a./ 8
b./ 32
c./ 64
d./ none of the above
17. A subnet mask in class C has 25 1s. How many subnets does it define?
a./ 2
b./ 8
c./ 16
d./ none of the above
18. 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
19. Given the IP address 201.14.78.65 and the subnet mask 255.255.255.224, what is the subnet address?
a./ 201.14.78.32
b./ 201.14.78.65
c./ 201.14.78.64
d./ none of the above
20. Given the IP address 180.25.21.172 and the subnet mask 255.255.192.0, what is the subnet address?
a./ 180.25.21.0
b./ 180.25.0.0
c./ 180.25.8.0
d./ none of the above
21. Given the IP address 18.250.31.14 and the subnet mask 255.240.0.0, what is the subnet address?
a./ 18.0.0.14
b./ 18.31.0.14
c./ 18.240.0.0
d./none of the above
22. The subnet mask for a class C network is 255.255.255.192. How many subnetworks are available?
a./ 2
b./ 4
c./ 8
d./ none of the above
23. The subnet mask for a class B network is 255.255.224.0. How many subnetworks are available?
a./ 2
b./ 4
c./ 8
c./ 64
d./ none of the above
17. A subnet mask in class C has 25 1s. How many subnets does it define?
a./ 2b./ 8c./ 16d./ none of the above 18. Which one is not a contiguous mask?
a./ 255.255.255.254b./ 255.255.224.0
c./ 255.148.0.0d./ all are 19. Given the IP address 201.14.78.65 and the subnet mask 255.255.255.224, what is the subnet address?
a./ 201.14.78.32 b./ 201.14.78.65 c./ 201.14.78.64 d./ none of the above 20. Given the IP address 180.25.21.172 and the subnet mask 255.255.192.0, what is the subnet address?
a./ 180.25.21.0
b./
180.25.0.0c./
180.25.8.0d./
none of the above 21. Given the IP address 18.250.31.14 and the subnet mask 255.240.0.0, what is the subnet address?
a./ 18.0.0.14
b./ 18.31.0.14
c./ 18.240.0.0
d./
none of the above 22. The subnet mask for a class C network is 255.255.255.192. How many subnetworks are available?
a./ 2
b./ 4c./ 8d./ none of the above 23. The subnet mask for a class B network is 255.255.224.0. How many subnetworks are available?
a./ 2b./ 4c./ 8d./ none of the above
24. The subnet mask for a class C network is 255.255.255.248. How many subnetworks are available?
a./ 4
b./ 8
c./ 16
d./ none of the above
25. The number of addresses in a class C block is _______.
24. The subnet mask for a class C network is 255.255.255.248. How many subnetworks are available?
a./ 4b./ 8c./ 16d./ none of the above 25. The number of addresses in a class C block is _______.
a./ 65,534
b./ 16,777,216
c./ 256
d./ none of the above
26. The number of addresses in a class B block is _______.
a./ 65,534
b./ 16,777,216
c./ 256
d./ none of the above
27. The number of addresses in a class A block is _______.
a./ 65,534
b./ 16,777,216
c./ 256
d./ none of the above
28. An organization has been granted a class A address. If the organization has 256 subnets, how many addresses are available in each subnet (including special addresses)?
a./ 65,534
b./ 16,777,216
c./ 256
d./ none of the above
29. An organization has been granted a class B address. If the organization has 64 subnets, how many addresses are available in each subnet (including special addresses)?
b./ 16,777,216
c./ 256d./ none of the above26. The number of addresses in a class B block is _______.
a./ 65,534b./ 16,777,216
c./ 256
d./ none of the above 27. The number of addresses in a class A block is _______.
a./ 65,534b./ 16,777,216c./ 256 d./ none of the above 28. An organization has been granted a class A address. If the organization has 256 subnets, how many addresses are available in each subnet (including special addresses)?
a./ 65,534b./ 16,777,216c./ 256d./ none of the above 29. An organization has been granted a class B address. If the organization has 64 subnets, how many addresses are available in each subnet (including special addresses)?
a./ 65,534b./ 1024c./ 256d./ none of the above 30. An organization has been granted a class C address. If the organization has 4 subnets, how many addresses are available in each subnet (including special addresses)?
a./ 4
b./ 1024
c./ 256
d./ none of the above
1024c./ 256d./ none of the aboveEditor: Vương Lan Kiều
Source: http://baomathethong.blogspot.com/
Copyrighted Content: mcgraw-hill.com
Source: http://baomathethong.blogspot.com/
Copyrighted Content: mcgraw-hill.com
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