30 Questions
What is the primary method of inter-process communication in distributed systems at the lowest level?
Message passing
How do users typically perceive a distributed system, according to the characteristics provided?
As a single, unified computer system
What technology revolutionized the provisioning of computing resources by enabling users to access virtualized hardware over the internet?
Cloud computing
Which of the following is a characteristic of distributed systems?
Inter-process communication via message passing
What is the benefit of parallelism in distributed systems?
Increased scalability
What are the advantages of a distributed system?
All of the above
What is the primary motivation for the development of distributed systems?
To solve technology problems using computer modeling
What is a parallel system characterized by?
Cooperation among processing elements
Which term refers to a collection of processing elements working together in a distributed system?
Distributed databases
What is a Distributed System?
Collection of independent computers linked by a computer network that appears to its users as a single coherent system
Two important considerations in distributed systems are:
Not Autonomous hardware and Unifying software
Examples of Distributed Systems include:
Local area network and internet
Which system name appears to users as a single computer?
Integrated system
What was another name for the distributed system in the eighties?
Working groups
What is the primary way to communicate between processes in a distributed system?
Passage by messages
What distinguishes a distributed system's hardware from that of a traditional system?
No shared memory
What is the primary goal of a distributed system?
All of the above
Which term is NOT synonymous with a distributed system?
Supercomputer
Which of the following is NOT a type of distributed system architecture?
Triple-system image
What is the main advantage of using a Cluster Computing System?
Higher performance
Which of the following is NOT a component of a cluster?
Database
What is the main purpose of a Distributed Information System?
Both providing services and managing information across multiple nodes
Which of the following is NOT an operating system issue in distributed systems?
User authentication
What is the etymological origin of the term 'system'?
Greek
Which of the following is an example of an entity?
Machines in factory
What is an example of an activity in a system?
Welding
How is an event defined in a system?
An immediate occurrence
What is the term used to describe changes occurring outside the system?
System environment
What is a fundamental building block of a system?
System components
Which software tool is recommended for simulation purposes?
AnyLogic
Study Notes
Distributed Systems
- A distributed system is a collection of independent computers linked by a computer network that appears to its users as a single coherent system.
- Ideal distributed system: to present a single-system image.
Characteristics of Distributed Systems
- Autonomous hardware and unified software.
- Users typically perceive a distributed system as a single, unified computer system.
Types of Distributed Systems
- Examples: Local area network, Internet, Database management system.
- Distributed Computing System, Distributed Information System, Distributed Pervasive System, Grid Computing System.
Inter-Process Communication
- Primary method: Message passing.
- Other methods: Shared memory access, Remote procedure calls (RPC).
Parallel Systems
- A parallel system is a collection of processing elements that communicate and cooperate to achieve a common goal.
- Characterized by cooperation among processing elements.
Benefits of Distributed Systems
- Cost reduction, Increased availability, Increased performance through parallelism.
- Parallelism: Increased scalability, Fault tolerance, Resource sharing.
Cluster Computing System
- Main advantage: Higher performance.
- Technology commonly used for communication: Ethernet.
System Concepts
- A system is characterized by its boundary, components, and their interactions, and environment.
- Entity: A machine in a factory.
- Activity: Welding.
- Event: An immediate occurrence.
System Classification
- Based on: Discrete, Time Frame, Continuous, Hybrid.
- According to the Time Frame: Discrete, Continuous, Hybrid.
Modeling and Simulation
- Goal: To analyze the effect of changes in the system.
- Recommended software tool: AnyLogic.
Test your knowledge of distributed systems programming with this quiz by Dr. Ali Takieldin. Explore concepts such as what a distributed system is and important considerations in distributed systems. Get ready to enhance your understanding of building coherent systems using independent computers.
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