Networking Interview Questions and Answers: A Comprehensive Guide
Networking Interview Questions And Answers Set – 2
Client-Server Architecture
What is meant by 3-Tier architecture?
In 3-tier Client/Server systems, the application logic (or process) resides in the middle tier, separate from the data and the user interface. This separation enhances scalability, robustness, and flexibility.
Example: TP monitor, Web.
What is meant by 2-Tier architecture?
In 2-tier Client/Server systems, the application logic is either embedded within the user interface on the client side
Read MoreOperating Systems: Processes, Memory, Scheduling & More
Operating System Services
Operating Systems (OS) provide various services to ensure effective and efficient use of system resources. Key services include:
1. Process Management
The OS handles the creation, scheduling, and termination of processes. It manages process synchronization, inter-process communication, and deadlock handling, ensuring that multiple processes can execute concurrently without conflict.
2. Memory Management
The OS manages the system’s memory, including RAM. It keeps track of each
Read MoreDatabase Management: Keys, Relationships, and Normalization
Database Keys and Relationships
A foreign key is the primary key of one table that has been placed into another table to create a common attribute.
In the relational model, keys are important because they are used to ensure that each row in a table is uniquely identifiable.
- A superkey is any key that uniquely identifies each row.
- A candidate key can be described as a minimal superkey, a superkey without any unnecessary attributes.
- A secondary key is defined as a key that is used strictly for data retrieval
Database Management Concepts
Foreign Keys and Data Integrity
A foreign key is the primary key of one table that has been placed into another table to create a common attribute.
In the relational model, keys are important because they are used to ensure that each row in a table is uniquely identifiable.
- A superkey is any key that uniquely identifies each row.
- A candidate key can be described as a minimal superkey, a superkey without any unnecessary attributes.
- A foreign key is the primary key of one table that has been placed into
Database Management: Keys, Relationships, and Normalization
Database Keys and Relationships
A foreign key is the primary key of one table that has been placed into another table to create a common attribute.
In the relational model, keys are important because they are used to ensure that each row in a table is uniquely identifiable.
- A superkey is any key that uniquely identifies each row.
- A candidate key can be described as a minimal superkey, a superkey without any unnecessary attributes.
- A secondary key is defined as a key that is used strictly for data retrieval
Database Management Concepts
Foreign Keys and Data Integrity
A foreign key is the primary key of one table that has been placed into another table to create a common attribute.
In the relational model, keys are important because they are used to ensure that each row in a table is uniquely identifiable.
- A superkey is any key that uniquely identifies each row.
- A candidate key can be described as a minimal superkey, a superkey without any unnecessary attributes.
- A foreign key is the primary key of one table that has been placed into