Design efficient algorithms using Trees, Graphs, and Hash Maps to solve complex computational problems. Koenig delivers hands-on labs and real-world projects through officially credentialed trainers, preparing you for the Data Structures and Algorithms certification.
500K+ certified professionals






















































Build apps, automate workflows, analyze data, and create chatbots with Microsoft's low-code platform suite.
Explore official Microsoft certification paths across cloud, security, data, and productivity.
45+ Courses
Learning Paths
12+ Courses
Learning Paths
9+ Courses
Learning Paths
15+ Courses
Learning Paths
18+ Courses
Learning Paths
14+ Courses
Learning Paths
8+ Courses
Learning Paths
12+ Courses
Learning Paths
A data structure is a method of organizing and storing data in computer systems to enable efficient access, modification, and retrieval. Published as a foundational concept in computer science, it solves the challenge of managing data effectively to support algorithm performance. Data structures are central to programming and system design, forming the backbone of software development across domains. Common data structures include Arrays, which store elements in contiguous memory for indexed access; Linked Lists, which connect data nodes via pointers for dynamic sizing; Stacks and Queues, which manage data in LIFO and FIFO order respectively; Trees, including binary and search variants, for hierarchical data representation; Graphs, which model complex relationships between entities; Hash Tables, which enable fast key-based lookups; and Heaps, used for priority-based processing. This technology is for computer scientists, software developers, and data engineers who design, implement, or optimize algorithms and systems, as mastering data structures allows them to write efficient, scalable, and high-performance code across applications.
Programming Basics
Write functions, use loops and conditional statements in a programming language
Array Manipulation
Implement and traverse one-dimensional and two-dimensional arrays efficiently
Recursion Concepts
Design and trace recursive functions with proper base and recursive cases
Linked Lists
Create and manipulate singly and doubly linked list structures
Stacks and Queues
Apply LIFO and FIFO principles using stack and queue implementations
Tree Fundamentals
Understand binary trees, traversal methods and hierarchical data representation
The five tools that power every low-code solution on the platform
See what your official Microsoft certification looks like. Download a sample — then let our advisors map the fastest path to earning the real one.
AZ-900Azure Fundamentals
AZ-104Azure Administrator
AI-102Azure AI Engineer
SC-300Identity & Access Admin
AZ-305Solutions Architect Expert
PL-300Power BI Data Analyst
Four formats. One quality standard. Every option comes with the same expert instructors, official courseware, and money-back guarantee.
Every factor that determines whether you actually pass your Microsoft exam — rated across every training format available.
| Criteria | Koenig | ALP Provider | Legacy Provider | Self-Paced Platform | Free Platform |
|---|---|---|---|---|---|
| Trainer Quality & Credentials | |||||
| Certified Instructors | Partial | Partial | |||
| Live Instructor-Led | |||||
| 1-on-1 Private Training | |||||
| W3Schools Authorisation | |||||
| Official Partner Status | Partial | ||||
| Official Courseware | Partial | ||||
| Training Credits Accepted | Partial | ||||
| Flexibility & Access | |||||
| Any-Day/Flexi Start | |||||
| On-Site/Fly-Me-Trainer | |||||
| Global Delivery Reach | Partial | Partial | |||
| Results & Trust | |||||
| Exam Pass Rate | 95% | ~70-75% | Not published | Not tracked | Variable |
| Entry Price (Fundamentals) | ~$745 · best value | ~$1,500+ | ~$1,400+ | $15-30/mo | Free |
| Verified Learner Reviews | 18,400+ · 4.9★ | Limited | Limited | 100,000+ · 4.6★ | Free |
Data sourced from public pricing pages and review platforms. Accurate as of March 2026. Partial = available in select regions only.
Verified reviews from learners certified on Azure, AI, Security, and more.
From our headquarters in India to training centers across UAE, Iraq, Saudi Arabia, UK, USA, Singapore, Australia, and more — Koenig delivers Microsoft certification training in 50+ countries.