DIS final quiz

Which phrase best describes these: "A smart watch, smart phone and other connected devices, in a constantly changing environment."

• Pervasive distributed system

• Monolith system

• Coupled distributed System

• Cluster Distributed System

What does elasticity mean, in the context of distributed computing and the cloud.

• Can buy more servers

• Automatic compliance

• Resources can be added or removed automatically as necessary

• Pay as you go

Hadoop is a distributed...

• file system

• messaging protocol

• control system

• service discovery system

What is a load balancer?

• A system that restricts access to a network by analysing incoming traffic

• A system that distributes incoming network traffic across multiple servers

• A system that stores and manages data for a network

• A system that protects against unauthorised access to a network.

What is a monolith?

• A software application that is composed of multiple independent components that can be developed and deployed separately

• A software application that is deployed as a self-contained unit.

• A software application that is designed to run on multiple operating systems.

• A heterogenous system.

Which of these is best described as 'coarse grained'?

• Service Oriented Architecture

• Microservices

• Monolith

• Apache Kafka

Which of the following statements best describes JSON?

• A markup language used for creating web pages and applications.

• A programming language used for developing mobile applications.

• A lightweight data interchange format that is easy for humans to read and write, and easy for machines to parse and generate.

• A database management system used for storing and retrieving data.

Which of the following statements best describes fault tolerance in distributed systems?

• The ability of a system to perform well under high load or heavy usage.

• The ability of a system to adapt to changes in the environment or user requirements.

• The ability of a system to recover from failures and continue to operate correctly in the presence of faults or errors.

• The ability of a system to distribute its processing load across multiple servers or nodes.

Which of the following statements best describes grid computing?

• A type of computing that uses a distributed network of computers to perform complex computations or process large data sets.

• A type of software architecture that separates an application's components into separate services that communicate over a network.

• A type of cloud computing that provides on-demand access to computing resources over the internet.

• A type of virtualization that allows multiple operating systems to run on a single physical server.

Which of the following statements best describes a deadlock?

• A condition in which a program or system is unable to respond to user input.

• A condition in which a program or system is unable to allocate enough memory to complete a task.

• A condition in which two or more processes are blocked, each waiting for the other to release a resource.

• A condition in which a program or system crashes due to an unexpected error or exception.