10+ Senior Consultant Engineer Interview Questions and Answers

Filter external prefixes entering OSPF domain by using distribute-list or prefix-list

• Use distribute-list or prefix-list to filter external prefixes entering OSPF domain

• Create an access-list to match the external prefixes that need to be filtered

• Apply the distribute-list or prefix-list to the OSPF process on the specific interface

• Verify the filtering by checking OSPF neighbor relationships and routing table

Functional testing ensures the software functions as expected, while non-functional testing focuses on performance, usability, and security.

• Functional testing involves testing the specific functions of the software to ensure they work correctly.

• Non-functional testing includes performance testing, usability testing, security testing, etc.

• Examples of functional testing tools include Selenium, JUnit, and TestNG.

• Examples of non-functional testing tools include LoadRunner, JMeter,...read more

Selenium is a popular automation testing tool used for web application testing.

• Selenium is used for automating web browsers.

• It supports multiple programming languages like Java, Python, C#, etc.

• Selenium can be used for functional, regression, and load testing of web applications.

• It allows testers to write test scripts in a variety of programming languages.

• Selenium WebDriver is the most commonly used component for browser automation.

• Selenium Grid is used for parallel testing a...read more

Solid principles and design patterns are essential for writing maintainable and scalable code.

• SOLID principles are a set of five principles that help in designing maintainable and scalable software.

• Design patterns are reusable solutions to common software design problems.

• SOLID principles include Single Responsibility Principle, Open-Closed Principle, Liskov Substitution Principle, Interface Segregation Principle, and Dependency Inversion Principle.

• Design patterns include Crea...read more

Software testing is the process of evaluating a software application to ensure it meets specified requirements and functions correctly.

• Software testing involves executing the software with the intent of finding bugs or errors.

• It helps in identifying defects or issues in the software before it is released to the end users.

• Types of software testing include unit testing, integration testing, system testing, and acceptance testing.

• Examples of software testing tools include Seleni...read more

Program to reverse a string

• Create an empty string to store the reversed string

• Loop through the original string from the end to the beginning

• Add each character to the new string

• Return the new string

Oops concept is a programming paradigm that focuses on objects and their interactions.

• Oops stands for Object-Oriented Programming System

• It is based on the concepts of classes and objects

• Encapsulation, inheritance, and polymorphism are the pillars of Oops

• It helps in creating modular, reusable, and maintainable code

• Example: A car can be represented as an object with properties like color, model, and methods like start, stop, and accelerate

Program to identify prime numbers

• A prime number is a positive integer greater than 1 that has no positive integer divisors other than 1 and itself

• One way to check if a number is prime is to divide it by all numbers less than or equal to its square root

• Another way is to use the Sieve of Eratosthenes algorithm to generate all prime numbers up to a given limit

• Prime numbers are important in cryptography and number theory

Design a new REST API for a Senior Consultant Engineer position

• Define the endpoints and HTTP methods for the API

• Design the request and response data structures

• Implement authentication and authorization mechanisms

• Document the API using OpenAPI or Swagger