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Akamai Interview Questions

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Levenshtein Edit Distance

An edit distance is a way to quantify how different two strings are. This is calculated using **the minimum number of transformations to turn one string to another**. The transformations include insertion , deletion , and substitution . So when comparing two identical strings, say cat and ca...

Difficulty: 7/10

The Two Coloring Graph Problem

Question Given a graph, can you use two colors to color each node of the graph, such that no two adjacent nodes have the same color? The Problem The graph coloring problem is a well known problem in computer science. It requires coloring different nodes of the graph so that two adj...

Difficulty: 6/10

How Many Strongly Connected

Given a directed graph lessons simple reference to graphs represented via an adjacency list, write a class StronglyConnectedComponents with a count method that would return the number of strongly connected components in a graph. The definition of a strong connected component is a subgr...

Difficulty: 8/10

Implement a Graph

Since a graph lessons simple reference to graphs is one of the more difficult data structures to conceptualize in a programmatic 2D manner, let's go ahead and implement it! We'll go with an adjacency list version. Note that there's also the adjacency matrix method which we will cover later....

Difficulty: 4/10

Traverse a Matrix in Spiral Order

Given an m * n matrix array, can you print all its elements in a spiral order as shown in the figure below? Try to use only O 1 space! Constraints Total elements in the matrix 100000 The values in the matrix ranges from 1000000000 and 1000000000 Expected time complexity :...

Difficulty: 7/10

Design A Least Recently Used (LRU) Cache

A cache pronounced cash is a place of storage that allows for faster data retrieval. Separate from the main data storage, it's usually faster memory that houses frequently accessed values. With a cache in place, when a client application needs to access data, it'll check the cache first befo...

Difficulty: 7/10

Two Sum from BST

This problem is a fun combination of the famous Two Sum problem combined with a binary search lessons binary search technique tree. Given the root of a binary search lessons binary search technique tree, and a target integer K , return true if there exist two nodes in the said tree...

Difficulty: 7/10

Merge Intervals

This is a classic interview question that is used in _a lot_ in technical interviews, frequently in the form of a calendar or meeting management application. As such, we'll also assume the same use case, as it's easier to visualize. Suppose we're given a few arrays, like 1, 4 , 2, 5 , 7,...

Difficulty: 5/10

Serialize and Deserialize a Binary Tree

Given a binary tree representation, can you come up with a method to serialize the tree and then deserialize it to get the exact same tree? What is Serialization and Deserialization? Serialization is a process that converts a data structure to a suitable format that can be stored either ...

Difficulty: 8/10

[CDN Case Study] Akamai Summary and Architecture

Unpacking the Akamai Network: A Cornerstone of Modern Internet Infrastructure _This is a summary of the original Akaimai Network whitepaper, which can be found at this link https: github.com papers we love papers we love blob master distributed_systems the akamai network.pdf _. The Essenc...

Difficulty: 5/10

A Dive into the Facebook Newsfeed Architecture

In this lesson, we will learn about the Facebook newsfeed and its architecture. We'll explore these key points: 1. How does the Facebook newsfeed work? 2. We'll see a detailed system design of Facebook's newsfeed system. 3. Algorithms used in the system. Facebook is the most popul...

Difficulty: 5/10

Security in AWS

Introduction to AWS Security AWS provides a comprehensive set of security tools and features to protect your data and resources in the cloud. Ensuring the security of your applications and data is crucial in cloud computing, especially when dealing with sensitive information and compliance requ...

Difficulty: 5/10