Book Image

Cracking the IT Architect Interview

By : Sameer Paradkar
Book Image

Cracking the IT Architect Interview

By: Sameer Paradkar

Overview of this book

An architect attends multiple interviews for jobs or projects during the course of his or her career. This book is an interview resource created for designers, consultants, technical, solution, domain, enterprise, and chief architects to help them perform well in interview discussions and launch a successful career. The book begins by providing descriptions of architecture skills and competencies that cover the 12 key domains, including 350+ questions relating to these domains. The goal of this book is to cover all the core architectural domains. From an architect’s perspective, it is impossible to revise or learn about all these key areas without a good reference guide – this book is the solution. It shares experiences, learning, insights, and proven methodologies that will benefit practitioners, SMEs, and aspirants in the long run. This book will help you tackle the NFR domain, which is a key aspect pertaining to architecting applications. It typically takes years to understand the core concepts, fundamentals, patterns, and principles related to architecture and designs. This book is a goldmine for the typical questions asked during an interview and will help prepare you for success!
Table of Contents (14 chapters)

Service-oriented architecture and Integration

Service-oriented architecture (SOA) is an architecture principle for creating flexible and interoperable service-based solutions. The key principle consists of discoverable contracts, service abstraction, loose coupling, service autonomy, service reusability, statelessness, and composability.

Rolling out successful SOA capabilities reduces IT costs by facilitating reusability in the IT landscape. SOA's ability to provide flexibility and agility to service applications reduces the time to market. SOA enables leveraging of existing IT investments by wrapping legacy solutions in reusable services.

What are the key capabilities of SOA and the benefits of SOA?

SOA is an architectural style that enables service orientation. Service orientation is a way of thinking in terms of services and service-based outcomes.

Figure 1: SOA capabilities

The following are the benefits:

  • SOA creates business and IT alignment, while lending flexibility to the IT landscape

  • Market...