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AfterAcademy Tech

What is a TCP 3-way handshake process?

In this blog, we will learn about the TCP protocol and the 3-way handshake process involved in it.

10 Feb 2020

AfterAcademy Tech

What are Proxy Servers and how do they protect computer networks?

In this blog, we will learn what is a proxy server, how does it work and what are the various types of proxy servers. We will also see why we should use a proxy server and what are the risks associated with it.

10 Feb 2020

AfterAcademy Tech

Minimum Cost Path - Interview Problem

This is a famous interview problem based on dynamic Programming. This question has been asked in big companies like Amazon. Here we need to find the path between the given source and destination that gives the minimum cost.

10 Feb 2020

AfterAcademy Tech

Remove Duplicates in a Sorted Array-Interview Problem

This is an interview problem asked in companies like Google, Microsoft, Amazon. The problem is to remove duplicates from a sorted array or list.

07 Feb 2020

AfterAcademy Tech

Array vs Linked List

Array and Linked List are the two most used data structures. It's really important to understand and compare the advantages and disadvantages of both array and linked list. In this blog, we will compare these two linear data structures. So let's get started.

07 Feb 2020

AfterAcademy Tech

Calculate power function

Calculate the value of x^n.

07 Feb 2020

AfterAcademy Tech

What is the OSI model and how it works?

In this blog, we will mainly learn about the OSI model and its working in detail. We'll focus on the features and working of each layer of the OSI model.

07 Feb 2020

AfterAcademy Tech

What is ARP and how does it work?

In this blog, we will learn what is Address Resolution Protocol and how it helps in communication between two devices. We will also discuss what are the problems that can arise while using this protocol and see sample examples of ARP packets which are captured.

07 Feb 2020

AfterAcademy Tech

What is DHCP and how does it work?

In this blog, we will learn what is DHCP, what are various entities related to DHCP and how does it work. We will also discuss how IP configurations are dynamically done.

06 Feb 2020

AfterAcademy Tech

What happens when you type a URL in the web browser?

In this blog, we will learn what happens when type any URL in the address box of a web browser. We will see step by step, how the HTTP request is sent and the HTTP response is received.

06 Feb 2020