Software Architecture

What is the main characteristics of a 1-tier architecture?

It separates the presentation logic from the business logic.

It integrates all layers of an application into a single executable file.

It distributes the application components across multiple servers.

It utilizes a centralized database for data storage.

In a 2-tier architecture, what components typically comprise the client tier?

User interface(UI) only

Business logic and data access logic

User interface(UI) and business logic

Data access logic and database management.

Which of the following is an advantage of a 3 tier architecture over 2-tier architecture?

Improved performance due to reduced network traffic.

Simplified maintenance and updates.

Enhanced security by separating concerns.

Lower hardware requirements

What does the presentation tier in a 3 tier architecture primarily handle?

Business logic execution

User interaction and interface rendering

Database querying and manipulation

Server-side processing and response generation

In an n-tier architecture, what is the primary purpose of the data access layer?

Handle user interactions and process requests

Perform operations on the database.

Execute business logic and workflows.

Manage communication between different tiers.

Which architectural style allows for the highest degree of scalability and flexibility?

1-tier architecture.

2-tier architecture.

3-tier architecture.

n-tier architecture.

How does a 1-tier architecture typically handle concurrency and resource management?

Each client has its dedicated server instance.

Shared resources among multiple clients.

Load balancing across multiple servers.

Utilizes distributed caching mechanisms

What is a common technology used for communication between client and server in a 2-tier architecture?

SOAP (Simple Object Access Protocol).

REST (Representational State Transfer).

HTTP (Hypertext Transfer Protocol).

TCP/IP (Transmission Control Protocol/Internet Protocol).

Which of the following statements is true regarding the deployment of 3-tier architectures?

Each tier can be deployed on separate physical servers.

All tiers must be deployed on the same server.

Only the presentation tier can be deployed on separate servers.

The data tier must always be deployed on a separate server.

What role does middleware play in a 3-tier architecture?

It serves as the user interface layer.

It handles communication between the presentation and data tiers.

It manages database operations and transactions.

It optimizes network routing and traffic.

What are some potential drawbacks of using a 2-tier architecture?

Limited scalability and increased coupling between layers.

Complex deployment and management requirements.

High latency due to excessive network traffic.

Reduced security and increased vulnerability to attacks.

How does the use of caching mechanisms contribute to performance optimization in n-tier architectures?

By reducing database load and minimizing network latency.

By encrypting sensitive data to prevent unauthorized access.

By synchronizing data across multiple servers for consistency.

By compressing data to reduce bandwidth usage.

Describe the concept of load balancing and its importance in distributed n-tier architectures.

Load balancing involves distributing incoming network traffic across multiple servers to optimize resource utilization and ensure high availability.

Load balancing refers to the process of optimizing database queries and transactions to minimize response times and improve performance.

Load balancing ensures that each tier of the architecture has an equal workload to prevent bottlenecks and maximize throughput.

Load balancing involves partitioning data across multiple servers to improve data locality and reduce network overhead.

Which of the following best describes 3 tier architecture?

An architecture consisting of three servers: web server, application server, and database server.

An architecture that separates an application into three logical layers: presentation, application, and data.

An architecture primarily used in networking protocols for data transmission.

An architecture designed for single-tier applications only.

Which layer of the 3-tier architecture is responsible for managing business logic and processing user requests?

Presentation Layer

Application Layer

Data Layer

Middleware Layer

In a web development context, what does the presentation layer typically consist of?

Database queries and data manipulation logic.

HTML, CSS, and JavaScript for rendering user interfaces.

Business rules and application logic.

Database management system (DBMS) software.

Which of the following is an example of a system that utilizes 3-tier architecture?

A standalone desktop application with no network connectivity.

An online shopping website with separate layers for presentation, shopping cart logic, and database access.

A simple chat application with a single server handling both frontend and backend operations.

An embedded system controlling a household thermostat.

What role does the data layer play in 3-tier architecture?

It handles user input validation and processing.

It manages the storage and retrieval of data from databases.

It renders user interfaces and displays information to users.

It performs complex business calculations and logic.

Software Architecture

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