1. What is Replica set ? Mid A. a topology where one node accepts writes and propagates them to read-only copies B. the minimum number of replicas that must acknowledge an operation for it to be considered successful C. a rule directing whether queries go to the primary or to secondary copies D. a group of nodes holding copies of the same data for redundancy and failover in MongoDB
2. Which term means: "a group of nodes holding copies of the same data for redundancy and failover in MongoDB"? Mid A. Replica set B. Quorum C. Write concern D. Leader-follower
3. Which statement is correct? Mid A. Replica set — a topology where one node accepts writes and propagates them to read-only copies B. Replica set — a setting controlling how many copies must confirm a save before the client gets an acknowledgement C. Replica set — the minimum number of replicas that must acknowledge an operation for it to be considered successful D. Replica set — a group of nodes holding copies of the same data for redundancy and failover in MongoDB
4. What is Leader-follower ? Mid A. a setting controlling how many copies must confirm a save before the client gets an acknowledgement B. the minimum number of replicas that must acknowledge an operation for it to be considered successful C. a topology where one node accepts writes and propagates them to read-only copies D. a rule directing whether queries go to the primary or to secondary copies
5. Which term means: "a topology where one node accepts writes and propagates them to read-only copies"? Mid A. Leader-follower B. Quorum C. Read preference D. Replica set
6. Which statement is correct? Mid A. Leader-follower — the minimum number of replicas that must acknowledge an operation for it to be considered successful B. Leader-follower — a topology where one node accepts writes and propagates them to read-only copies C. Leader-follower — a rule directing whether queries go to the primary or to secondary copies D. Leader-follower — a setting controlling how many copies must confirm a save before the client gets an acknowledgement
7. What is Quorum ? Senior A. a rule directing whether queries go to the primary or to secondary copies B. the minimum number of replicas that must acknowledge an operation for it to be considered successful C. a topology where one node accepts writes and propagates them to read-only copies D. a setting controlling how many copies must confirm a save before the client gets an acknowledgement
8. Which term means: "the minimum number of replicas that must acknowledge an operation for it to be considered successful"? Senior A. Leader-follower B. Quorum C. Write concern D. Read preference
9. Which statement is correct? Senior A. Quorum — a setting controlling how many copies must confirm a save before the client gets an acknowledgement B. Quorum — the minimum number of replicas that must acknowledge an operation for it to be considered successful C. Quorum — a group of nodes holding copies of the same data for redundancy and failover in MongoDB D. Quorum — a rule directing whether queries go to the primary or to secondary copies
10. What is Write concern ? Senior A. a setting controlling how many copies must confirm a save before the client gets an acknowledgement B. a rule directing whether queries go to the primary or to secondary copies C. a group of nodes holding copies of the same data for redundancy and failover in MongoDB D. a topology where one node accepts writes and propagates them to read-only copies
11. Which term means: "a setting controlling how many copies must confirm a save before the client gets an acknowledgement"? Senior A. Replica set B. Read preference C. Quorum D. Write concern
12. Which statement is correct? Senior A. Write concern — a rule directing whether queries go to the primary or to secondary copies B. Write concern — a topology where one node accepts writes and propagates them to read-only copies C. Write concern — the minimum number of replicas that must acknowledge an operation for it to be considered successful D. Write concern — a setting controlling how many copies must confirm a save before the client gets an acknowledgement
13. What is Read preference ? Senior A. a group of nodes holding copies of the same data for redundancy and failover in MongoDB B. a topology where one node accepts writes and propagates them to read-only copies C. the minimum number of replicas that must acknowledge an operation for it to be considered successful D. a rule directing whether queries go to the primary or to secondary copies
14. Which term means: "a rule directing whether queries go to the primary or to secondary copies"? Senior A. Leader-follower B. Quorum C. Read preference D. Replica set
15. Which statement is correct? Senior A. Read preference — a rule directing whether queries go to the primary or to secondary copies B. Read preference — a group of nodes holding copies of the same data for redundancy and failover in MongoDB C. Read preference — a setting controlling how many copies must confirm a save before the client gets an acknowledgement D. Read preference — the minimum number of replicas that must acknowledge an operation for it to be considered successful