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Recent questions tagged subnetting

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Behrouz Forouzan book
An organization is granted the block 130.56.0.0/16. The administrator wants to create 1024 subnet a. Find the subnet mask. b. Find the number of addresses in each subnet c. Find the first and last addresses in subnet 1. d. Find the first and last addresses in subnet 1024.

Vaishnavi Gadhe asked in Computer Networks 5 days ago

by Vaishnavi Gadhe

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2

Find total Subnet and hosts
If the IP is 193.1.2.3 and Subnet Mask is 255.255.255.240. How many numbers of subnets and hosts possible in each subnet are: 14,16 14,14 16,14 16,16

abhinowKatore asked in Computer Networks Jun 7

by abhinowKatore

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6 votes

4 answers

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GATE CSE 2022 | Question: 45
Consider routing table of an organization's router shown below: ... of the subnets in the routing table? $12.20.164.0/20$ $12.20.164.0/22$ $12.20.164.0/21$ $12.20.168.0/22$

Arjun asked in Computer Networks Feb 15

by Arjun

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6 answers

4

confusion -- computer networks
Do we actually need ip and Mac addresses both at same time for the computer for communication? Why we not use Mac instead of ip address since Mac is also the unique address globally? Why we not use ip instead of Mac Since both are unique but why we use both for computer networkws?

ykrishnay asked in Computer Networks Dec 19, 2021

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1 vote

2 answers

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NIELIT Scientific Assistant A 2020 November: 102
You have a network ID of $192.168.10.0$ and require at least $25$ host IDs for each subnet, with the largest amount of subnets available. Which subnet mask should you assign? $255.255.255.192$ $255.255.255.224$ $255.255.255.240$ $255.255.255.248$

gatecse asked in Computer Networks Dec 9, 2020

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NIELIT 2017 OCT Scientific Assistant A (IT) - Section B: 25
The address of a class $B$ Host is to be split into subnets with a $3$-bit subnet number. What is the maximum number of subnets and maximum number of hosts in each subnet? $8$ subnets and $262142$ hosts $6$ subnets and $262142$ hosts $6$ subnets and $1022$ hosts $8$ subnets and $1024$ hosts

Lakshman Patel RJIT asked in Computer Networks Apr 1, 2020

by Lakshman Patel RJIT

427 views

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2 answers

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NIELIT 2017 DEC Scientific Assistant A - Section B: 12
In classless addressing, there are no classes but addresses are still granted in : Codes Blocks IPs Sizes

Lakshman Patel RJIT asked in Computer Networks Mar 31, 2020

by Lakshman Patel RJIT

779 views

1 vote

1 answer

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NIELIT 2017 DEC Scientific Assistant A - Section B: 24
A subnet mask in class $C$ can have _____________ $1$’s with the remaining bits $0$’s. $10$ $24$ $12$ $7$

Lakshman Patel RJIT asked in Computer Networks Mar 31, 2020

by Lakshman Patel RJIT

1.1k views

1 vote

1 answer

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NIELIT 2017 DEC Scientific Assistant A - Section B: 28
There is a need to create a network that has $5$ subnets, each with at least $16$ hosts. Which one is used as classful subnet mask ? $255.255.255.192$ $255.255.255.248$ $255.255.255.240$ $255.255.255.224$

Lakshman Patel RJIT asked in Computer Networks Mar 31, 2020

by Lakshman Patel RJIT

967 views

21 votes

1 answer

10

GATE CSE 2020 | Question: 38
An organization requires a range of IP address to assign one to each of its $1500$ computers. The organization has approached an Internet Service Provider (ISP) for this task. The ISP uses CIDR and serves the requests from the available IP address space $202.61.0.0/17$. The ... $202.61.144.0/21$ I and II only II and III only III and IV only I and IV only

Arjun asked in Computer Networks Feb 12, 2020

by Arjun

13.6k views

5 votes

4 answers

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UGC NET CSE | June 2019 | Part 2 | Question: 84
You need $500$ subnets, each with about $100$ usable host address per subnet. What network mask will you assign using a class B network address? $255.255.255.252$ $255.255.255.128$ $255.255.255.0$ $255.255.254.0$

Arjun asked in Computer Networks Jul 2, 2019

by Arjun

6.3k views

2 votes

1 answer

12

Andrew S. Tanenbaum Edition 5th Exercise 5 Question 33 (Page No. 492)
A router has the following (CIDR) entries in its routing table: Address/Mask Next hop 135.46.56.0/22 Interface 0 135.46.60.0/22 Interface 1 192.53.40.0/23 Router 1 default Router 2 For each of the following IP addresses, what does the router do if a ... 135.46.63.10 (b) 135.46.57.14 (c) 135.46.52.2 (d) 192.53.40.7 (e) 192.53.56.7

ajaysoni1924 asked in Computer Networks Mar 18, 2019

by ajaysoni1924

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1 answer

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Andrew S. Tanenbaum Edition 5th Exercise 5 Question 32 (Page No. 492)
The set of IP addresses from 29.18.0.0 to 19.18.128.255 has been aggregated to 29.18.0.0/17. However, there is a gap of 1024 unassigned addresses from 29.18.60.0 to 29.18.63.255 that are now suddenly assigned to ... , add the new block to the table, and then see if any reaggregation is possible? If not, what can be done instead?

ajaysoni1924 asked in Computer Networks Mar 18, 2019

by ajaysoni1924

1.4k views

2 votes

0 answers

14

Andrew S. Tanenbaum Edition 5th Exercise 5 Question 26 (Page No. 492)
Suppose that instead of using 16 bits for the network part of a class B address originally, 20 bits had been used. How many class B networks would there have been?

ajaysoni1924 asked in Computer Networks Mar 16, 2019

by ajaysoni1924

1.0k views

16 votes

4 answers

15

GATE CSE 2019 | Question: 28
Consider three machines M, N, and P with IP addresses $100.10.5.2, \: 100.10.5.5$, and $100.10.5.6$ respectively. The subnet mask is set to $255.255.255.252$ for all the three machines. Which one of the following is true? M, N, and P ... subnet Only M and N belong to the same subnet Only N and P belong to the same subnet M, N, and P belong to three different subnets

Arjun asked in Computer Networks Feb 7, 2019

by Arjun

6.3k views

0 votes

2 answers

16

UPPCL AE 2018:40
If in $\text{CIDR}$ notation an $\text{IP}$ address is written as $172.26.17.1/25$, the subnet mask is: $255.255.255.192$ $255.255.255.0$ $255.255.240.0$ $255.255.255.128$

Lakshman Patel RJIT asked in Computer Networks Jan 5, 2019

by Lakshman Patel RJIT

406 views

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UGC NET CSE | December 2018 | Part 2 | Question: 87
An Internet Service Provider $(ISP)$ has following chunk of $CIDR-$based $IP$ addresses available with it :$245.248.128.0/20$. The $ISP$ wants to give half of this chunk addresses to organization $A$ and a quarter to organization $B$ while retaining ... $245.248.136.0/24 \text{ and } 245.248.132.0/21$

Arjun asked in Computer Networks Jan 2, 2019

by Arjun

559 views

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18

self doubt - no. of possible subnet masks
Let the given IP address be 200.1.15.255. How many subnet masks possible? Is it 12 or 11?

Harsh Kumar asked in Computer Networks Dec 30, 2018

231 views

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1 answer

19

Subnetting
Please explain in very brief for below things. I'm confused in using these terminology 1. Subnet size and subnet mask size 2. Network I'd,block Id ,subnet id are they same? 3. IP addresses in network = No of host ? 4. How no of host ,no of subnets are related? Please help me in clearing my doubt. Thanks

Mayankprakash asked in Computer Networks Dec 30, 2018

by Mayankprakash

391 views

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0 answers

20

Computer Network Sub netting
Zero Subnet address is considered usable or reserved for GATE? Eg: If we have subnet id of 4 bit then what will be the 1st Subnet Address, ‘0000’ or ‘0001’?

VikramRB asked in Computer Networks Dec 23, 2018

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1 answer

21

Subneting
For GATE, Zero th subnet address is considered, useable or reserved? Suppose if we have, 3 subnet bit then what will be 5th subnet? Will it be `101` or `100`? Which one will be considered in gate exam?

VikramRB asked in Computer Networks Dec 23, 2018

223 views

1 vote

1 answer

22

Subnetting
An ISP granted the block of addresses starting with 10.80.0.0/16 . ISP want to distribute it four groups of customers . A)first group has 64 customers, each need 256 addresses B) second gp has 128 customers, each need 128 addresses C) third gp ... D) and last gp also has 64 customers, each need 32 addresses. Design the subblock and how many addresses still available after allocation ?

Aks9639 asked in Computer Networks Dec 19, 2018

1.7k views

3 votes

2 answers

23

MadeEasy Subject Test 2019: Computer Networks - Subnetting
In the network 143.128.67.235 / 20, it x represent the decimal value of 3rd octet and y represent the decimal value of 4th octet of last IP address assigned to any host, then the value of x*y is

scarz asked in Computer Networks Dec 14, 2018

by scarz

631 views

2 votes

1 answer

24

IP Address allocation
An ISP has assigned an address block to user in which 4096 hosts can be assigned IP addresses. Which of the following can be the network ID ? 168.72.90.0/20 168.72.96.0/20 168.72.64.64/20 168.64.64.0/24

Na462 asked in Computer Networks Dec 8, 2018

by Na462

848 views

3 votes

3 answers

25

NIELIT 2018-31
Identify the subnet mask for the given direct broadcast address of subnet is $201.15.16.31$ $255.255.192.192$ $255.255.255.198$ $255.255.255.240$ $255.255.257.240$

Arjun asked in Computer Networks Dec 7, 2018

by Arjun

1.4k views

1 vote

1 answer

26

Subnets
Given an IP address 156.233.42.56 with a subnet mask of 7 bits. How many hosts and Subnets are Possible ? 126 hosts and 510 subnet 128 host and 512 subnet 510 hosts and 126 subnet 512 hosts and 128 Subnet

Na462 asked in Computer Networks Dec 4, 2018

by Na462

1.5k views

1 vote

4 answers

27

Subnet addresses
A class B network address 130.50.0.0 is submitted as follows. The last 10 bits of the host id are allotted for host number and the remaining 6 bits are reserved for subnet number. How many subnets and number of hosts in each subnet are possible with above scheme ? 62,1022 30,510 14,254 ... 130.50.4.1 and 130.50.16.1 130.50.1.1 and 130.50.4.1 130.50.0.0 and 130.50.3.0 None of these

Na462 asked in Computer Networks Dec 4, 2018

by Na462

1.4k views

4 votes

1 answer

28

Gateforum Test Series:Computer Networks - Subnetting
IP address: 192.168.0.1 Subnet mask: 255.255.255.240 What is the address of 5th host of 6th subnet? 192.168.0.100 192.168.0.85 192.168.0.84 192.168.0.101 My answer is D but B is provided as answer.

Gupta731 asked in Computer Networks Dec 3, 2018

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Recent questions tagged subnetting