15 Reliability questions from the Message Queues bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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A.resending a message to a consumer because the previous attempt was not acknowledged in time or failed
B.a record that repeatedly fails processing and would loop forever if not diverted aside
C.the signal a consumer sends back to confirm a message was received and may be removed from the queue
D.the property by which messages are persisted to disk so they survive a broker restart or crash
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2. Which term means: "the signal a consumer sends back to confirm a message was received and may be removed from the queue"?
Junior
A.Acknowledgment
B.Dead-letter queue
C.Redelivery
D.Durability
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3. Which statement is correct?
Junior
A.Acknowledgment — the signal a consumer sends back to confirm a message was received and may be removed from the queue
B.Acknowledgment — a record that repeatedly fails processing and would loop forever if not diverted aside
C.Acknowledgment — the property by which messages are persisted to disk so they survive a broker restart or crash
D.Acknowledgment — a separate destination where messages are moved after repeatedly failing processing or exceeding a retry limit
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4. What is Dead-letter queue?
Junior
A.the signal a consumer sends back to confirm a message was received and may be removed from the queue
B.a separate destination where messages are moved after repeatedly failing processing or exceeding a retry limit
C.resending a message to a consumer because the previous attempt was not acknowledged in time or failed
D.a record that repeatedly fails processing and would loop forever if not diverted aside
Answer + AI explanation with Pro
5. Which term means: "a separate destination where messages are moved after repeatedly failing processing or exceeding a retry limit"?
Junior
A.Dead-letter queue
B.Acknowledgment
C.Poison message
D.Durability
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.Dead-letter queue — resending a message to a consumer because the previous attempt was not acknowledged in time or failed
B.Dead-letter queue — a record that repeatedly fails processing and would loop forever if not diverted aside
C.Dead-letter queue — the property by which messages are persisted to disk so they survive a broker restart or crash
D.Dead-letter queue — a separate destination where messages are moved after repeatedly failing processing or exceeding a retry limit
Answer + AI explanation with Pro
7. What is Redelivery?
Mid
A.a record that repeatedly fails processing and would loop forever if not diverted aside
B.resending a message to a consumer because the previous attempt was not acknowledged in time or failed
C.a separate destination where messages are moved after repeatedly failing processing or exceeding a retry limit
D.the property by which messages are persisted to disk so they survive a broker restart or crash
Answer + AI explanation with Pro
8. Which term means: "resending a message to a consumer because the previous attempt was not acknowledged in time or failed"?
Mid
A.Dead-letter queue
B.Acknowledgment
C.Durability
D.Redelivery
Answer + AI explanation with Pro
9. Which statement is correct?
Mid
A.Redelivery — a record that repeatedly fails processing and would loop forever if not diverted aside
B.Redelivery — resending a message to a consumer because the previous attempt was not acknowledged in time or failed
C.Redelivery — a separate destination where messages are moved after repeatedly failing processing or exceeding a retry limit
D.Redelivery — the signal a consumer sends back to confirm a message was received and may be removed from the queue
Answer + AI explanation with Pro
10. What is Durability?
Mid
A.the property by which messages are persisted to disk so they survive a broker restart or crash
B.a separate destination where messages are moved after repeatedly failing processing or exceeding a retry limit
C.the signal a consumer sends back to confirm a message was received and may be removed from the queue
D.resending a message to a consumer because the previous attempt was not acknowledged in time or failed
Answer + AI explanation with Pro
11. Which term means: "the property by which messages are persisted to disk so they survive a broker restart or crash"?
Mid
A.Dead-letter queue
B.Durability
C.Acknowledgment
D.Redelivery
Answer + AI explanation with Pro
12. Which statement is correct?
Mid
A.Durability — a separate destination where messages are moved after repeatedly failing processing or exceeding a retry limit
B.Durability — the property by which messages are persisted to disk so they survive a broker restart or crash
C.Durability — the signal a consumer sends back to confirm a message was received and may be removed from the queue
D.Durability — a record that repeatedly fails processing and would loop forever if not diverted aside
Answer + AI explanation with Pro
13. What is Poison message?
Senior
A.the signal a consumer sends back to confirm a message was received and may be removed from the queue
B.a separate destination where messages are moved after repeatedly failing processing or exceeding a retry limit
C.the property by which messages are persisted to disk so they survive a broker restart or crash
D.a record that repeatedly fails processing and would loop forever if not diverted aside
Answer + AI explanation with Pro
14. Which term means: "a record that repeatedly fails processing and would loop forever if not diverted aside"?
Senior
A.Poison message
B.Dead-letter queue
C.Redelivery
D.Acknowledgment
Answer + AI explanation with Pro
15. Which statement is correct?
Senior
A.Poison message — the signal a consumer sends back to confirm a message was received and may be removed from the queue
B.Poison message — resending a message to a consumer because the previous attempt was not acknowledged in time or failed
C.Poison message — a separate destination where messages are moved after repeatedly failing processing or exceeding a retry limit
D.Poison message — a record that repeatedly fails processing and would loop forever if not diverted aside
Answer + AI explanation with Pro
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