Podcast
Questions and Answers
According to the CAP theorem, a distributed system can have which of the following characteristics?
According to the CAP theorem, a distributed system can have which of the following characteristics?
- Availability and partition tolerance
- Consistency, availability, and partition tolerance
- Consistency and availability
- Consistency and partition tolerance (correct)
Which characteristic of a distributed system means that simultaneous read requests at different nodes always return the same data?
Which characteristic of a distributed system means that simultaneous read requests at different nodes always return the same data?
- Availability
- Reliability
- Partition tolerance
- Consistency (correct)
During a network partition, a distributed system with which characteristic continues to operate despite the communication breakdown?
During a network partition, a distributed system with which characteristic continues to operate despite the communication breakdown?
- Availability
- Consistency
- Partition tolerance (correct)
- Reliability
A distributed system with consistency and partition tolerance at the cost of availability is known as a __ system.
A distributed system with consistency and partition tolerance at the cost of availability is known as a __ system.
A distributed system with availability and partition tolerance at the cost of consistency is known as a __ system.
A distributed system with availability and partition tolerance at the cost of consistency is known as a __ system.
A distributed system with availability and consistency at the cost of partition tolerance is known as a __ system.
A distributed system with availability and consistency at the cost of partition tolerance is known as a __ system.
Which of the following is NOT considered an inevitability of networking in terms of distributed systems?
Which of the following is NOT considered an inevitability of networking in terms of distributed systems?
What type of system is unachievable according to the CAP theorem?
What type of system is unachievable according to the CAP theorem?
Which protocol is commonly used in distributed systems to ensure reliability?
Which protocol is commonly used in distributed systems to ensure reliability?
What is the purpose of load balancers and replication in distributed systems?
What is the purpose of load balancers and replication in distributed systems?
Which one of the following is NOT an advantage of a distributed system?
Which one of the following is NOT an advantage of a distributed system?
What is the main purpose of a network in a distributed system?
What is the main purpose of a network in a distributed system?
Which of the following is a disadvantage of data replication in a distributed system?
Which of the following is a disadvantage of data replication in a distributed system?
What is the effect of a single node failure in a distributed system?
What is the effect of a single node failure in a distributed system?
What is the main advantage of horizontally scaling a distributed system?
What is the main advantage of horizontally scaling a distributed system?
What is the main disadvantage of an unreliable network in a distributed system?
What is the main disadvantage of an unreliable network in a distributed system?
What is the main advantage of geographically spreading out nodes in a distributed system?
What is the main advantage of geographically spreading out nodes in a distributed system?
What is the main purpose of data replication in a distributed system?
What is the main purpose of data replication in a distributed system?
What is the main advantage of a distributed system over a single machine system?
What is the main advantage of a distributed system over a single machine system?
What is the main disadvantage of reconciling data differences between nodes in a distributed system?
What is the main disadvantage of reconciling data differences between nodes in a distributed system?
Which theorem expands on the CAP theorem and introduces the tradeoff between availability and consistency during a network partition?
Which theorem expands on the CAP theorem and introduces the tradeoff between availability and consistency during a network partition?
What is the main purpose of a Coordination Service in a distributed system?
What is the main purpose of a Coordination Service in a distributed system?
Which type of distributed system gives up consistency for availability during a network partition and gives up consistency for lower latency during normal operation?
Which type of distributed system gives up consistency for availability during a network partition and gives up consistency for lower latency during normal operation?
What are some of the responsibilities of a Coordination Service in a distributed system?
What are some of the responsibilities of a Coordination Service in a distributed system?
Which systems typically support ACID transactions and prioritize consistency during normal operation?
Which systems typically support ACID transactions and prioritize consistency during normal operation?
What is the percent of uptime characterized by 'Four 9's' in a distributed system?
What is the percent of uptime characterized by 'Four 9's' in a distributed system?
Which type of distributed system gives up availability for consistency during a network partition and gives up lower latency for consistency during normal operation?
Which type of distributed system gives up availability for consistency during a network partition and gives up lower latency for consistency during normal operation?
What is the purpose of heartbeats in a distributed system?
What is the purpose of heartbeats in a distributed system?
Which theorem is purely theoretical and can be used to understand the limitations of a distributed system?
Which theorem is purely theoretical and can be used to understand the limitations of a distributed system?
What is the additional tradeoff introduced by the PACELC theorem in a distributed system?
What is the additional tradeoff introduced by the PACELC theorem in a distributed system?
