Subnetting Quiz 1

SUBNETTING QUIZ 1

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Question 1
What is the decimal equivalent of 01001010?
A
142
B
74
C
70
D
140
E
72
Question 2
What is the last usable host address of prefix 182.144.10.0/29?
A
182.144.10.6
B
182.144.10.254
C
182.144.10.255
D
182.144.10.1
E
182.144.10.0
Question 3
What is the subnetwork number of a host with an IP address of 100.155.1.0/21?
A
100.155.255.0/21
B
100.155.0.255/21
C
100.155.255.1/21
D
100.155.0.0/21
E
100.155.1.0/21
Question 4
IP address 10.145.100.6/27 is a part of which host range?
A
10.145.100.0 - 10.145.100.63
B
10.145.100.1 - 10.145.100.255
C
10.145.100.1 - 10.145.100.30
D
10.145.100.0 - 10.145.100.32
E
10.145.100.0 - 10.145.100.255
Question 5
What is the binary equivalent of Subnet Mask 255.255.128.0?
A
11111111.11111111.10000000.00000000
B
11111111.11111111.00000000.00000000
C
11111111.11111111.11111111.00000001
D
11111111.11111111.11111111.00000000
E
11111111.11111111.00000001.00000000
Question 6
Which one is a Class A address?
A
10.1.152.8
B
200.55.12.34
C
172.8.10.1
D
172.8.202.140
E
192.1.52.5
Question 7
If you would like to give IP address to 30 hosts from your IP prefix which subnet mask do you use most effectively?
A
255.255.255.224
B
255.255.255.254
C
255.255.255.128
D
255.255.255.240
E
255.255.255.248
Question 8
How many IP addresses can be assigned to hosts, for Subnet Mask 255.255.255.0?
A
224
B
1
C
255
D
254
E
2
Question 9
What is the broadcast address of prefix 172.18.16.0/21?  
A
172.18.0.255
B
172.18.30.255
C
172.18.23.255
D
172.18.25.255
E
172.18.255.255
Question 9 Explanation: 
Network: 172.18.16.0/21 10101100.00010010.00010 000.00000000 Broadcast: 172.18.23.255 10101100.00010010.00010 111.11111111
Question 10
Which subnet does host 12.120.1.185/25 belong to?
A
12.120.1.128/25
B
12.120.1.1/25
C
12.120.1.0/25
D
12.120.1.192/25
E
12.120.1.64/25
Question 11
We have an IP prefix 102.74.200.1/23.Which of the following can be valid host IDs for this prefix?
A
102.74.200.0
B
102.74.201.255
C
102.74.200.255
D
102.74.202.255
E
102.74.203.0
Question 11 Explanation: 
HostMin: 102.74.200.1 01100110.01001010.1100100 0.00000001 HostMax: 102.74.201.254 01100110.01001010.1100100 1.11111110
Question 12
We have a network address 192.168.1.0 and we would like to divide this network into 7 subnets and there must be at least 18 host addresses in each subnet. Which subnet mush should we use?
A
255.255.255.224 (/27)
B
255.255.255.0 (/24)
C
255.255.255.192 (/26)
D
255.255.255.240 (/28)
E
255.255.255.128 (/25)
Question 13
Address 172.16.1.1 is belong to Class .....
A
C
B
E
C
A
D
D
E
B
Question 14
What is the binary equivalent of 188?
A
10001111
B
10110000
C
10101100
D
10111100
E
10111101
Question 15
What is the first usable host address of prefix 172.18.16.0/21?
A
172.18.16.16
B
172.18.16.1
C
172.18.16.54
D
172.18.16.0
E
172.18.16.15
Question 16
If you need to have 5 subnets, which subnet mask do you use?
A
255.255.255.240
B
255.255.255.224
C
255.255.255.248
D
255.255.255.254
E
255.255.255.252
Question 17
The decimal dotted format of /26 is :
A
255.255.255.0
B
255.255.255.248
C
255.255.255.192
D
255.255.255.240
E
255.255.255.224
Question 18
How many subnets and how many hosts in each subnet are there for the network address 80.160.0.0/20?
A
512 / 4096
B
512 / 4094
C
4094 / 4096
D
4096 / 512
E
4096 / 4094
Question 19
Which Mask is most effective for a Point-to-Point network?
A
/24
B
/30
C
/27
D
/29
E
/28
Question 20
What is the binary equivalent of IPv4 address 201.18.171.15?
A
11001001.00010010.10111011.00010011
B
11001001.00010010.10111011.00011111
C
11001011.00010011.10111011.00011111
D
11001001.00010010.10101011.00001111
E
11001001.00110010.10011011.00011110
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There are 20 questions to complete.