Types of Node Failures and Consensus in Distributed Systems

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In the Chord DHT, what does a peer compute first when joining the network?

The ids of all other peers

Its successor list

Its finger table

Its own id (correct)

Which peer has authority over the id 3 in the given example?

Peer 2

Peer 4 (correct)

Peer 6

Peer 3

What is the key step a new peer takes after computing its id in Chord?

Ask any peer who has authority over its id (correct)

Request to be added to the successor list

Broadcast its id to all peers

Compute its finger table

In the Paxos consensus algorithm, what is the role of the leader?

Propose values and coordinate responses Signup and view all the answers

What is a key challenge addressed by distributed hash tables like Chord?

Providing an efficient lookup for key-value pairs Signup and view all the answers

In Bitcoin, what is the main purpose of mining?

To generate new bitcoins and secure the network Signup and view all the answers

What is a key property achieved by consensus protocols like Paxos and Raft?

Consistency Signup and view all the answers

How do DHTs like Chord typically handle node failures and departures?

By using replication and re-hashing keys Signup and view all the answers

What is the $2^{160}$ in the context of the Bitcoin protocol?

The number of possible Bitcoin addresses Signup and view all the answers

In an eventually consistent system, what does 'eventual' refer to?

Reads will eventually return the latest value after some delay Signup and view all the answers

Types of Node Failures and Consensus in Distributed Systems

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Questions and Answers

In the Chord DHT, what does a peer compute first when joining the network?

Which peer has authority over the id 3 in the given example?

What is the key step a new peer takes after computing its id in Chord?

In the Paxos consensus algorithm, what is the role of the leader?

What is a key challenge addressed by distributed hash tables like Chord?

In Bitcoin, what is the main purpose of mining?

What is a key property achieved by consensus protocols like Paxos and Raft?

How do DHTs like Chord typically handle node failures and departures?

What is the $2^{160}$ in the context of the Bitcoin protocol?

In an eventually consistent system, what does 'eventual' refer to?

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