1. What is Publish-subscribe ? Junior A. a fire-and-forget messaging model where senders post to named channels and any connected listeners receive matching messages B. a set of clients that cooperatively divide entries of one stream so each entry is delivered to exactly one member C. the signal a client sends confirming it finished processing a delivered stream entry so it leaves the pending list D. listening to multiple channels at once by matching their names against a glob expression rather than naming each one
2. Which term means: "a fire-and-forget messaging model where senders post to named channels and any connected listeners receive matching messages"? Junior A. Pattern subscription B. Acknowledgement C. Consumer group D. Publish-subscribe
3. Which statement is correct? Junior A. Publish-subscribe — the signal a client sends confirming it finished processing a delivered stream entry so it leaves the pending list B. Publish-subscribe — a set of clients that cooperatively divide entries of one stream so each entry is delivered to exactly one member C. Publish-subscribe — a fire-and-forget messaging model where senders post to named channels and any connected listeners receive matching messages D. Publish-subscribe — the per-group record of delivered but not-yet-confirmed entries, used to recover messages from a crashed client
4. What is Pattern subscription ? Mid A. listening to multiple channels at once by matching their names against a glob expression rather than naming each one B. a set of clients that cooperatively divide entries of one stream so each entry is delivered to exactly one member C. the per-group record of delivered but not-yet-confirmed entries, used to recover messages from a crashed client D. a fire-and-forget messaging model where senders post to named channels and any connected listeners receive matching messages
5. Which term means: "listening to multiple channels at once by matching their names against a glob expression rather than naming each one"? Mid A. Consumer group B. Pattern subscription C. Pending entries list D. Acknowledgement
6. Which statement is correct? Mid A. Pattern subscription — the per-group record of delivered but not-yet-confirmed entries, used to recover messages from a crashed client B. Pattern subscription — listening to multiple channels at once by matching their names against a glob expression rather than naming each one C. Pattern subscription — a set of clients that cooperatively divide entries of one stream so each entry is delivered to exactly one member D. Pattern subscription — the signal a client sends confirming it finished processing a delivered stream entry so it leaves the pending list
7. What is Consumer group ? Mid A. listening to multiple channels at once by matching their names against a glob expression rather than naming each one B. a set of clients that cooperatively divide entries of one stream so each entry is delivered to exactly one member C. the signal a client sends confirming it finished processing a delivered stream entry so it leaves the pending list D. the per-group record of delivered but not-yet-confirmed entries, used to recover messages from a crashed client
8. Which term means: "a set of clients that cooperatively divide entries of one stream so each entry is delivered to exactly one member"? Mid A. Acknowledgement B. Consumer group C. Publish-subscribe D. Pending entries list
9. Which statement is correct? Mid A. Consumer group — a set of clients that cooperatively divide entries of one stream so each entry is delivered to exactly one member B. Consumer group — the per-group record of delivered but not-yet-confirmed entries, used to recover messages from a crashed client C. Consumer group — a fire-and-forget messaging model where senders post to named channels and any connected listeners receive matching messages D. Consumer group — listening to multiple channels at once by matching their names against a glob expression rather than naming each one
10. What is Acknowledgement ? Senior A. a fire-and-forget messaging model where senders post to named channels and any connected listeners receive matching messages B. the per-group record of delivered but not-yet-confirmed entries, used to recover messages from a crashed client C. a set of clients that cooperatively divide entries of one stream so each entry is delivered to exactly one member D. the signal a client sends confirming it finished processing a delivered stream entry so it leaves the pending list
11. Which term means: "the signal a client sends confirming it finished processing a delivered stream entry so it leaves the pending list"? Senior A. Pending entries list B. Pattern subscription C. Consumer group D. Acknowledgement
12. Which statement is correct? Senior A. Acknowledgement — a fire-and-forget messaging model where senders post to named channels and any connected listeners receive matching messages B. Acknowledgement — listening to multiple channels at once by matching their names against a glob expression rather than naming each one C. Acknowledgement — a set of clients that cooperatively divide entries of one stream so each entry is delivered to exactly one member D. Acknowledgement — the signal a client sends confirming it finished processing a delivered stream entry so it leaves the pending list
13. What is Pending entries list ? Senior A. listening to multiple channels at once by matching their names against a glob expression rather than naming each one B. a set of clients that cooperatively divide entries of one stream so each entry is delivered to exactly one member C. the per-group record of delivered but not-yet-confirmed entries, used to recover messages from a crashed client D. a fire-and-forget messaging model where senders post to named channels and any connected listeners receive matching messages
14. Which term means: "the per-group record of delivered but not-yet-confirmed entries, used to recover messages from a crashed client"? Senior A. Pending entries list B. Publish-subscribe C. Acknowledgement D. Consumer group
15. Which statement is correct? Senior A. Pending entries list — a set of clients that cooperatively divide entries of one stream so each entry is delivered to exactly one member B. Pending entries list — the signal a client sends confirming it finished processing a delivered stream entry so it leaves the pending list C. Pending entries list — listening to multiple channels at once by matching their names against a glob expression rather than naming each one D. Pending entries list — the per-group record of delivered but not-yet-confirmed entries, used to recover messages from a crashed client