1. What is Local versus distributed ? Mid A. keeping copies of the same entries on multiple nodes to improve availability and read scalability B. the choice between a per-node in-process store and a shared external tier reachable by every node over the network C. partitioning the keyspace across multiple nodes so each holds a distinct subset of the data D. a key-distribution technique that minimizes remapping when nodes are added or removed from a cluster
2. Which term means: "the choice between a per-node in-process store and a shared external tier reachable by every node over the network"? Mid A. Replication B. Cluster C. Sharding D. Local versus distributed
3. Which statement is correct? Mid A. Local versus distributed — a key-distribution technique that minimizes remapping when nodes are added or removed from a cluster B. Local versus distributed — keeping copies of the same entries on multiple nodes to improve availability and read scalability C. Local versus distributed — a group of cooperating nodes presenting a single logical fast store with combined capacity D. Local versus distributed — the choice between a per-node in-process store and a shared external tier reachable by every node over the network
4. What is Sharding ? Senior A. a group of cooperating nodes presenting a single logical fast store with combined capacity B. partitioning the keyspace across multiple nodes so each holds a distinct subset of the data C. the choice between a per-node in-process store and a shared external tier reachable by every node over the network D. a key-distribution technique that minimizes remapping when nodes are added or removed from a cluster
5. Which term means: "partitioning the keyspace across multiple nodes so each holds a distinct subset of the data"? Senior A. Sharding B. Replication C. Cluster D. Local versus distributed
6. Which statement is correct? Senior A. Sharding — partitioning the keyspace across multiple nodes so each holds a distinct subset of the data B. Sharding — a group of cooperating nodes presenting a single logical fast store with combined capacity C. Sharding — a key-distribution technique that minimizes remapping when nodes are added or removed from a cluster D. Sharding — the choice between a per-node in-process store and a shared external tier reachable by every node over the network
7. What is Replication ? Senior A. the choice between a per-node in-process store and a shared external tier reachable by every node over the network B. partitioning the keyspace across multiple nodes so each holds a distinct subset of the data C. a group of cooperating nodes presenting a single logical fast store with combined capacity D. keeping copies of the same entries on multiple nodes to improve availability and read scalability
8. Which term means: "keeping copies of the same entries on multiple nodes to improve availability and read scalability"? Senior A. Local versus distributed B. Replication C. Sharding D. Consistent hashing
9. Which statement is correct? Senior A. Replication — the choice between a per-node in-process store and a shared external tier reachable by every node over the network B. Replication — keeping copies of the same entries on multiple nodes to improve availability and read scalability C. Replication — a group of cooperating nodes presenting a single logical fast store with combined capacity D. Replication — a key-distribution technique that minimizes remapping when nodes are added or removed from a cluster
10. What is Consistent hashing ? Senior A. a key-distribution technique that minimizes remapping when nodes are added or removed from a cluster B. a group of cooperating nodes presenting a single logical fast store with combined capacity C. the choice between a per-node in-process store and a shared external tier reachable by every node over the network D. keeping copies of the same entries on multiple nodes to improve availability and read scalability
11. Which term means: "a key-distribution technique that minimizes remapping when nodes are added or removed from a cluster"? Senior A. Sharding B. Consistent hashing C. Cluster D. Local versus distributed
12. Which statement is correct? Senior A. Consistent hashing — the choice between a per-node in-process store and a shared external tier reachable by every node over the network B. Consistent hashing — keeping copies of the same entries on multiple nodes to improve availability and read scalability C. Consistent hashing — a key-distribution technique that minimizes remapping when nodes are added or removed from a cluster D. Consistent hashing — a group of cooperating nodes presenting a single logical fast store with combined capacity
13. What is Cluster ? Mid A. a key-distribution technique that minimizes remapping when nodes are added or removed from a cluster B. keeping copies of the same entries on multiple nodes to improve availability and read scalability C. partitioning the keyspace across multiple nodes so each holds a distinct subset of the data D. a group of cooperating nodes presenting a single logical fast store with combined capacity
14. Which term means: "a group of cooperating nodes presenting a single logical fast store with combined capacity"? Mid A. Sharding B. Cluster C. Replication D. Consistent hashing
15. Which statement is correct? Mid A. Cluster — partitioning the keyspace across multiple nodes so each holds a distinct subset of the data B. Cluster — keeping copies of the same entries on multiple nodes to improve availability and read scalability C. Cluster — a group of cooperating nodes presenting a single logical fast store with combined capacity D. Cluster — a key-distribution technique that minimizes remapping when nodes are added or removed from a cluster