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Questions and Answers
What is the purpose of Christian's Algorithm in clock synchronization?
What is the purpose of Christian's Algorithm in clock synchronization?
- To update clocks using an external authoritative clock
- To limit the skew to a delay bound
- To ensure reasonable clock accuracy in LAN networks (correct)
- To collaborate with nodes in the network for clock synchronization
How does Christian's Algorithm update a node's time?
How does Christian's Algorithm update a node's time?
- By considering the round trip time and the server's current time (correct)
- By measuring the delay between nodes and the authoritative clock server
- By syncing with an external authoritative clock
- By collaborating with other nodes in the network
What type of synchronization does Berkley Algorithm use?
What type of synchronization does Berkley Algorithm use?
- External Synchronization
- Internal Synchronization (correct)
- Global State Synchronization
- Vector Clocks Synchronization
In clock synchronization, what does 'skew' refer to?
In clock synchronization, what does 'skew' refer to?
What is the main limitation of Internal Synchronization for clock synchronization?
What is the main limitation of Internal Synchronization for clock synchronization?
Which algorithm requires a clock server synchronized to UTC time for operation?
Which algorithm requires a clock server synchronized to UTC time for operation?
What is the main challenge in determining when events took place in a network?
What is the main challenge in determining when events took place in a network?
How are hardware clocks in computers typically connected to provide an approximate representation of physical time?
How are hardware clocks in computers typically connected to provide an approximate representation of physical time?
What is the main problem caused by the fact that clocks in computers are not all exactly the same?
What is the main problem caused by the fact that clocks in computers are not all exactly the same?
Which term describes the difference in the rate at which two clocks count time due to factors like temperature and voltage differences?
Which term describes the difference in the rate at which two clocks count time due to factors like temperature and voltage differences?
Why is it challenging to synchronize clocks on every node in a network?
Why is it challenging to synchronize clocks on every node in a network?
What is the primary purpose of synchronizing clocks on every node in a network?
What is the primary purpose of synchronizing clocks on every node in a network?
In the algorithm for vector clocks, what does it mean when V(e) < V(e’)?
In the algorithm for vector clocks, what does it mean when V(e) < V(e’)?
What information is included in each message in the vector clock algorithm?
What information is included in each message in the vector clock algorithm?
Why is garbage collection important in distributed systems?
Why is garbage collection important in distributed systems?
What problem can occur if timestamps of messages are not considered in creating a snapshot of a distributed system?
What problem can occur if timestamps of messages are not considered in creating a snapshot of a distributed system?
What is the key cause of deadlock in distributed systems?
What is the key cause of deadlock in distributed systems?
When does a message get delivered in the vector clock algorithm?
When does a message get delivered in the vector clock algorithm?
