Distributed Systems

Question 1

Define distributed system.

Answer 1

A system that consists of multiple independent components communicating over a network.

Question 2

True or false: Scalability is a key advantage of distributed systems.

Answer 2

TRUE

Scalability allows systems to handle increased load by adding resources.

Question 3

What is consistency in distributed systems?

Answer 3

The property that ensures all nodes see the same data at the same time.

Question 4

Fill in the blank: Fault tolerance is the ability to continue operation despite _______.

Answer 4

Failures

Question 5

What does CAP theorem stand for?

Answer 5

Consistency, Availability, and Partition Tolerance.

Question 6

Define replication in distributed systems.

Answer 6

The process of storing copies of data on multiple nodes for reliability.

Question 7

True or false: Latency refers to the delay in communication between nodes.

Answer 7

TRUE

Question 8

What is a leader election algorithm?

Answer 8

A method for selecting a coordinator node in a distributed system.

Question 9

Fill in the blank: Load balancing distributes workloads across multiple _______.

Answer 9

Nodes

Question 10

Define message passing.

Answer 10

A communication method where nodes send and receive messages to exchange data.

Question 11

What is data partitioning?

Answer 11

The process of dividing a dataset into smaller, manageable pieces across nodes.

Question 12

True or false: Microservices architecture is a type of distributed system.

Answer 12

TRUE

Microservices consist of small, independent services that communicate over a network.

Question 13

What is a distributed database?

Answer 13

A database that is spread across multiple locations or nodes.

Question 14

Fill in the blank: Concurrency control manages simultaneous operations without _______.

Answer 14

Conflicts

Question 15

Define eventual consistency.

Answer 15

A consistency model where updates will propagate to all nodes eventually.