Bài tập địa chỉ IP
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BÀI TẬP LUYỆN TẬP PHẦN IP ADDRESS
1. Which of the following is the result of a Boolean AND between IP address 150.150.4.100 and
mask 255.255.192.0?
a. 1001 0110 1001 0110 0000 0100 0110 0100
b. 1001 0110 1001 0110 0000 0000 0000 0000
c. 1001 0110 1001 0110 0000 0100 0000 0000
d. 1001 0110 0000 0000 0000 0000 0000 0000
2. If mask 255.255.255.128 were used with a Class B network, how many subnets could exist, with
how many hosts per subnet, respectively?
a. a 256 and 256
b. a 254 and 254
c. a 62 and 1022
d. a 1022 and 62
e. a 510 and 126
f. a 126 and 510
3. If mask 255.255.255.240 were used with a Class C network, how many subnets could exist, with
how many hosts per subnet, respectively?
a. 16 and 16
b. 14 and 14
c. 12 and 12
d. 8 and 32
e. 32 and 8
f. 6 and 30
g. 30 and 6
4. Which of the following IP addresses are not in the same subnet as 190.4.80.80, mask
255.255.255.0?
a. 190 .4 .80.1
b. 190.4.80.50
c. 190.4.80.100
d. 190.4.80.200
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e. 190.4.90.1
f. 10.1.1.1
5. Which of the following IP addresses is not in the same subnet as 190.4.80.80, mask
255.255.240.0?
a. 190.4.80.1
b. 190.4.80.50
c. 190.4.80.100
d. 190.4.80.200
e. 190.4.90.1
f. 10.1.1.1
6. Which of the following IP addresses are not in the same subnet as 190.4.80.80, mask
255.255.255.128 ?
a. 190.4.80.1
b. 190.4.80.50
c. 190.4.80.100
d. 190.4.80.200
e. 190.4.90.1
f. 10.1.1.1
7. Which of the following subnet masks lets a Class B network allow subnets to have up to 150
hosts and up to 164 subnets?
a. 255.0.0.0
b. 255.255.0.0
c. 255.255.255.0
d. 255.255.192.0
e. 255.255.240.0
f. 255.255.252.0
g. 255.255.255.192
h. 255.255.255.240
8. Which of the following subnet masks let a Class A network allow subnets to have up to 150 hosts
and up to 164 subnets?
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a. 255.0.0.0
b. 255.255.0.0
c. 255.255.255.0
d. 255.255.192.0
e. 255.255.240.0
f. 255.255.252.0
g. 255.255.255.192
h. 255.255.255.240
9. Which of the following are valid subnet numbers in network 180.1.0.0 when using mask
255.255.248.0?
a. 180.1.2.0
b. 180.1.4.0
c. 180.1.8.0
d. 180.1.16.0
e. 180.1.32.0
f. 180.1.40.0
10. Which of the following are valid subnet numbers in network 180.1.0.0 when using mask
255.255.255.0?
a. 180.1.2.0
b. 180.1.4.0
c. 180.1.8.0
d. 180.1.16.0
e. 180.1.32.0
f. 180.1.40.0
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