Subnetting Quiz 1

SUBNETTING QUIZ 1

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Question 1
What is the broadcast address of prefix 172.18.16.0/21?  
A
172.18.255.255
B
172.18.30.255
C
172.18.23.255
D
172.18.25.255
E
172.18.0.255
Question 1 Explanation: 
Network: 172.18.16.0/21 10101100.00010010.00010 000.00000000 Broadcast: 172.18.23.255 10101100.00010010.00010 111.11111111
Question 2
Address 172.16.1.1 is belong to Class .....
A
E
B
A
C
C
D
B
E
D
Question 3
How many subnets and how many hosts in each subnet are there for the network address 80.160.0.0/20?
A
512 / 4094
B
4094 / 4096
C
512 / 4096
D
4096 / 4094
E
4096 / 512
Question 4
What is the decimal equivalent of 01001010?
A
74
B
142
C
72
D
140
E
70
Question 5
If you need to have 5 subnets, which subnet mask do you use?
A
255.255.255.240
B
255.255.255.254
C
255.255.255.224
D
255.255.255.248
E
255.255.255.252
Question 6
How many IP addresses can be assigned to hosts, for Subnet Mask 255.255.255.0?
A
254
B
255
C
2
D
1
E
224
Question 7
What is the first usable host address of prefix 172.18.16.0/21?
A
172.18.16.15
B
172.18.16.0
C
172.18.16.16
D
172.18.16.1
E
172.18.16.54
Question 8
IP address 10.145.100.6/27 is a part of which host range?
A
10.145.100.0 - 10.145.100.32
B
10.145.100.0 - 10.145.100.63
C
10.145.100.1 - 10.145.100.30
D
10.145.100.1 - 10.145.100.255
E
10.145.100.0 - 10.145.100.255
Question 9
Which subnet does host 12.120.1.185/25 belong to?
A
12.120.1.128/25
B
12.120.1.1/25
C
12.120.1.64/25
D
12.120.1.192/25
E
12.120.1.0/25
Question 10
Which Mask is most effective for a Point-to-Point network?
A
/28
B
/27
C
/24
D
/30
E
/29
Question 11
What is the binary equivalent of IPv4 address 201.18.171.15?
A
11001001.00010010.10111011.00011111
B
11001001.00010010.10111011.00010011
C
11001001.00110010.10011011.00011110
D
11001001.00010010.10101011.00001111
E
11001011.00010011.10111011.00011111
Question 12
We have an IP prefix 102.74.200.1/23.Which of the following can be valid host IDs for this prefix?
A
102.74.202.255
B
102.74.200.0
C
102.74.203.0
D
102.74.201.255
E
102.74.200.255
Question 12 Explanation: 
HostMin: 102.74.200.1 01100110.01001010.1100100 0.00000001 HostMax: 102.74.201.254 01100110.01001010.1100100 1.11111110
Question 13
The decimal dotted format of /26 is :
A
255.255.255.248
B
255.255.255.240
C
255.255.255.224
D
255.255.255.192
E
255.255.255.0
Question 14
If you would like to give IP address to 30 hosts from your IP prefix which subnet mask do you use most effectively?
A
255.255.255.254
B
255.255.255.240
C
255.255.255.248
D
255.255.255.224
E
255.255.255.128
Question 15
Which one is a Class A address?
A
10.1.152.8
B
192.1.52.5
C
200.55.12.34
D
172.8.202.140
E
172.8.10.1
Question 16
What is the subnetwork number of a host with an IP address of 100.155.1.0/21?
A
100.155.0.0/21
B
100.155.255.0/21
C
100.155.1.0/21
D
100.155.0.255/21
E
100.155.255.1/21
Question 17
What is the binary equivalent of Subnet Mask 255.255.128.0?
A
11111111.11111111.00000001.00000000
B
11111111.11111111.10000000.00000000
C
11111111.11111111.11111111.00000001
D
11111111.11111111.11111111.00000000
E
11111111.11111111.00000000.00000000
Question 18
What is the last usable host address of prefix 182.144.10.0/29?
A
182.144.10.254
B
182.144.10.255
C
182.144.10.1
D
182.144.10.6
E
182.144.10.0
Question 19
What is the binary equivalent of 188?
A
10111101
B
10001111
C
10110000
D
10101100
E
10111100
Question 20
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
255.255.255.0 (/24)
B
255.255.255.240 (/28)
C
255.255.255.128 (/25)
D
255.255.255.192 (/26)
E
255.255.255.224 (/27)
Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results
There are 20 questions to complete.

 

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