Consistency interview questions

1. A.a guarantee that copies will converge to the same value given enough time without further updates, but may diverge temporarily
2. B.a guarantee that a client always observes its own prior update, even if other clients see an older copy
3. C.returning a value from a fast store that no longer matches the current authoritative source
4. D.the bounded period during which a served copy may lag behind the true source value

Answer + AI explanation with Pro

1. A.Stale read
2. B.Cache coherence
3. C.Eventual consistency
4. D.Staleness window

Answer + AI explanation with Pro

1. A.Stale read — returning a value from a fast store that no longer matches the current authoritative source
2. B.Stale read — a guarantee that a client always observes its own prior update, even if other clients see an older copy
3. C.Stale read — the bounded period during which a served copy may lag behind the true source value
4. D.Stale read — the property that multiple copies of the same data across nodes agree on a single up-to-date value

Answer + AI explanation with Pro

1. A.returning a value from a fast store that no longer matches the current authoritative source
2. B.the property that multiple copies of the same data across nodes agree on a single up-to-date value
3. C.a guarantee that copies will converge to the same value given enough time without further updates, but may diverge temporarily
4. D.a guarantee that a client always observes its own prior update, even if other clients see an older copy

Answer + AI explanation with Pro

1. A.Cache coherence
2. B.Stale read
3. C.Read-your-writes
4. D.Staleness window

Answer + AI explanation with Pro

1. A.Cache coherence — a guarantee that copies will converge to the same value given enough time without further updates, but may diverge temporarily
2. B.Cache coherence — a guarantee that a client always observes its own prior update, even if other clients see an older copy
3. C.Cache coherence — the bounded period during which a served copy may lag behind the true source value
4. D.Cache coherence — the property that multiple copies of the same data across nodes agree on a single up-to-date value

Answer + AI explanation with Pro

1. A.a guarantee that a client always observes its own prior update, even if other clients see an older copy
2. B.a guarantee that copies will converge to the same value given enough time without further updates, but may diverge temporarily
3. C.the property that multiple copies of the same data across nodes agree on a single up-to-date value
4. D.the bounded period during which a served copy may lag behind the true source value

Answer + AI explanation with Pro

1. A.Cache coherence
2. B.Stale read
3. C.Staleness window
4. D.Eventual consistency

Answer + AI explanation with Pro

1. A.Eventual consistency — a guarantee that a client always observes its own prior update, even if other clients see an older copy
2. B.Eventual consistency — a guarantee that copies will converge to the same value given enough time without further updates, but may diverge temporarily
3. C.Eventual consistency — the property that multiple copies of the same data across nodes agree on a single up-to-date value
4. D.Eventual consistency — returning a value from a fast store that no longer matches the current authoritative source

Answer + AI explanation with Pro

1. A.the bounded period during which a served copy may lag behind the true source value
2. B.the property that multiple copies of the same data across nodes agree on a single up-to-date value
3. C.returning a value from a fast store that no longer matches the current authoritative source
4. D.a guarantee that copies will converge to the same value given enough time without further updates, but may diverge temporarily

Answer + AI explanation with Pro

1. A.Cache coherence
2. B.Staleness window
3. C.Stale read
4. D.Eventual consistency

Answer + AI explanation with Pro

1. A.Staleness window — the property that multiple copies of the same data across nodes agree on a single up-to-date value
2. B.Staleness window — the bounded period during which a served copy may lag behind the true source value
3. C.Staleness window — returning a value from a fast store that no longer matches the current authoritative source
4. D.Staleness window — a guarantee that a client always observes its own prior update, even if other clients see an older copy

Answer + AI explanation with Pro

1. A.returning a value from a fast store that no longer matches the current authoritative source
2. B.the property that multiple copies of the same data across nodes agree on a single up-to-date value
3. C.the bounded period during which a served copy may lag behind the true source value
4. D.a guarantee that a client always observes its own prior update, even if other clients see an older copy

Answer + AI explanation with Pro

1. A.Read-your-writes
2. B.Cache coherence
3. C.Eventual consistency
4. D.Stale read

Answer + AI explanation with Pro

1. A.Read-your-writes — returning a value from a fast store that no longer matches the current authoritative source
2. B.Read-your-writes — a guarantee that copies will converge to the same value given enough time without further updates, but may diverge temporarily
3. C.Read-your-writes — the property that multiple copies of the same data across nodes agree on a single up-to-date value
4. D.Read-your-writes — a guarantee that a client always observes its own prior update, even if other clients see an older copy

Answer + AI explanation with Pro