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Tag Archives: Computer Networks-IP Addressing

Given string str, the task is to check whether the given string is a valid MAC address or not by using Regular Expression. A valid… Read More
Local Broadcast Address: Local Broadcast Address is used to communicate with all the devices on a local network. It is represented by 255.255.255.255 or 11111111.11111111.11111111.11111111… Read More
Classful Addressing: Introduced in 1981, with classful routing, IP v4 addresses were divided into 5 classes(A to E). Classes A-C: unicast addresses Class D: multicast… Read More
Both MAC Address and IP Address are used to uniquely defines a device on the internet. NIC Card’s Manufacturer provides the MAC Address, on the… Read More
Mobile IP is a communication protocol (created by extending Internet Protocol, IP) that allows the users to move from one network to another with the… Read More
Prerequisite – Introduction and Classful Addressing, Classless Addressing Given a valid IPv4 address in the form of string. The task is to determine class of given… Read More
Prerequisite – Classless Addressing, Supernetting Problem – How to calculate IP address subnet information (Network, Broadcast, First IP, Last IP)? It’s too simple equation to… Read More
There are many ways to find hostname and IP address of a local machine. Here is a simple method to find hostname and IP address… Read More
You might have used ifconfig command on your linux terminal to know different network configurations of your system. ifconfig command shows hardware address(HWaddr) and network… Read More
An IP(Internet Protocol) address is an identifier assigned to each computer and other device(e.g., router, mobile, etc) connected to a TCP/IP network that is used… Read More
Prerequisite: Introduction to Internet Protocol version 6 IP version 6 is the new version of Internet Protocol, which is way better than IP version 4… Read More
If block contains 32 IP address which of the following is first address of the block ? (A) 10.0.0.5 (B) 10.0.0.16 (C) 10.0.0.32 (D) 10.0.0.160… Read More
In class B if subnet mask is 255.192.0.0 Total Number of networks than can be joined (A) 32 (B) 64 (C) 16 (D) None of… Read More
Which of the following is public IP address ? (A) 10.15.14.12 (B) 192.168.52.62 (C) 172.32.1.1 (D) None of the Above Answer: (C) Explanation: Range of… Read More
If subnet mask 255.255.255.224, which of the following will be Direct Broadcast address ? (A) 202.15.19.127 (B) 202.15.19.63 (C) Both a and b (D) None… Read More