SLOT 2 - Foundation 2

What is a distributed system?

• A system where all components are located on one machine.

• A system where each machine has its own private network.

• A system where components are located on multiple interconnected machines.

• A system where all data is stored on a single server.

Independent Failures in distributed system means

• Failures of the secondary storage devices that store the database.

• The entire system will be affected if one node failure.

• The error in the transaction caused by incorrect input data.

• One node's failure doesn’t bring down the entire system.

Real-World applications of distributed system include

• Cloud providers

• Google Search Engine

• Networked video games

• Blockchain

Which of the following best describes about decentralized networks?

• In centralized networks, all decisions are made by one node.

• A networked system where there is no central leader.

• Centralized networks are more secure because of a single point of control.

• Decentralized networks are always slower than centralized ones.

Which one is best description about linked list?

• A data structure where elements are stored in a browser.

• A data structure where elements are stored in nodes, and each node points to the next node.

• A data structure that operates on a Last In First Out (LIFO) principle.

• A data structure that operates on a First In First Out (FIFO) principle.

Which entity is primarily responsible for issuing digital certificates?

• The recipient of the message.

• The sender of the message.

• Digital Signature Algorithm (DSA).

• Certificate Authority (CA).