Allied Globetech Interview Questions and Answers

Data Structures and Algorithms optimize data management and processing, enhancing performance and efficiency in programming tasks.

• Efficient data storage: Arrays, linked lists, and trees help organize data for quick access.

• Optimized searching: Algorithms like binary search reduce time complexity when finding elements in sorted data.

• Improved performance: Using appropriate data structures can significantly speed up operat...read more

Encryption and decryption methods can be applied at various layers of the OSI model to secure data transmission.

• Application Layer: Use of SSL/TLS for encrypting HTTP traffic (HTTPS).

• Transport Layer: Implementation of secure protocols like DTLS for UDP traffic.

• Network Layer: IPsec can encrypt data packets for secure communication over IP.

• Data Link Layer: WPA2 encrypts data in wireless networks to protect against eavesdr

JAR files package Java classes and resources, enhancing distribution, versioning, and execution efficiency.

• 1. Packaging: JAR files bundle multiple Java classes and resources (like images and properties files) into a single archive, simplifying distribution.

• 2. Versioning: JAR files can include version information in their manifest, helping manage dependencies and ensuring compatibility.

• 3. Compression: JAR files use ZIP ...read more

API stands for Application Programming Interface, while REST API is a type of API that follows the principles of REST (Representational State Transfer).

• API is a set of rules and protocols that allows different software applications to communicate with each other.

• REST API is a type of API that uses HTTP requests to perform CRUD (Create, Read, Update, Delete) operations on resources.

• REST API is stateless, meaning each re...read more