Hazards interview questions

1. A.the four requirements that must all hold for a circular wait failure: mutual exclusion, hold-and-wait, no preemption, and a cycle of waiters
2. B.a defect where program correctness depends on the unpredictable interleaving or relative timing of operations on shared state
3. C.a condition where a task is perpetually denied the resources it needs because others are continually favored by the scheduler or locking policy
4. D.a state in which two or more tasks are each blocked forever, every one waiting on a resource held by another in the group

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1. A.Livelock
2. B.Starvation
3. C.Race condition
4. D.Coffman conditions

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1. A.Race condition — a state in which two or more tasks are each blocked forever, every one waiting on a resource held by another in the group
2. B.Race condition — a defect where program correctness depends on the unpredictable interleaving or relative timing of operations on shared state
3. C.Race condition — the four requirements that must all hold for a circular wait failure: mutual exclusion, hold-and-wait, no preemption, and a cycle of waiters
4. D.Race condition — the prevention technique of always acquiring multiple locks in a single globally agreed sequence to break the circular-wait requirement

Answer + AI explanation with Pro

1. A.a defect where program correctness depends on the unpredictable interleaving or relative timing of operations on shared state
2. B.a state in which two or more tasks are each blocked forever, every one waiting on a resource held by another in the group
3. C.a situation where tasks keep changing state in response to each other yet make no useful progress, despite never being blocked
4. D.the four requirements that must all hold for a circular wait failure: mutual exclusion, hold-and-wait, no preemption, and a cycle of waiters

Answer + AI explanation with Pro

1. A.Lock ordering
2. B.Coffman conditions
3. C.Livelock
4. D.Deadlock

Answer + AI explanation with Pro

1. A.Deadlock — a situation where tasks keep changing state in response to each other yet make no useful progress, despite never being blocked
2. B.Deadlock — the four requirements that must all hold for a circular wait failure: mutual exclusion, hold-and-wait, no preemption, and a cycle of waiters
3. C.Deadlock — a condition where a task is perpetually denied the resources it needs because others are continually favored by the scheduler or locking policy
4. D.Deadlock — a state in which two or more tasks are each blocked forever, every one waiting on a resource held by another in the group

Answer + AI explanation with Pro

1. A.the prevention technique of always acquiring multiple locks in a single globally agreed sequence to break the circular-wait requirement
2. B.a situation where tasks keep changing state in response to each other yet make no useful progress, despite never being blocked
3. C.a condition where a task is perpetually denied the resources it needs because others are continually favored by the scheduler or locking policy
4. D.a defect where program correctness depends on the unpredictable interleaving or relative timing of operations on shared state

Answer + AI explanation with Pro

1. A.Starvation
2. B.Coffman conditions
3. C.Livelock
4. D.Deadlock

Answer + AI explanation with Pro

1. A.Livelock — a situation where tasks keep changing state in response to each other yet make no useful progress, despite never being blocked
2. B.Livelock — a condition where a task is perpetually denied the resources it needs because others are continually favored by the scheduler or locking policy
3. C.Livelock — the prevention technique of always acquiring multiple locks in a single globally agreed sequence to break the circular-wait requirement
4. D.Livelock — the four requirements that must all hold for a circular wait failure: mutual exclusion, hold-and-wait, no preemption, and a cycle of waiters

Answer + AI explanation with Pro

1. A.a situation where tasks keep changing state in response to each other yet make no useful progress, despite never being blocked
2. B.a defect where program correctness depends on the unpredictable interleaving or relative timing of operations on shared state
3. C.the four requirements that must all hold for a circular wait failure: mutual exclusion, hold-and-wait, no preemption, and a cycle of waiters
4. D.a condition where a task is perpetually denied the resources it needs because others are continually favored by the scheduler or locking policy

Answer + AI explanation with Pro

1. A.Lock ordering
2. B.Race condition
3. C.Starvation
4. D.Coffman conditions

Answer + AI explanation with Pro

1. A.Starvation — a situation where tasks keep changing state in response to each other yet make no useful progress, despite never being blocked
2. B.Starvation — the four requirements that must all hold for a circular wait failure: mutual exclusion, hold-and-wait, no preemption, and a cycle of waiters
3. C.Starvation — the prevention technique of always acquiring multiple locks in a single globally agreed sequence to break the circular-wait requirement
4. D.Starvation — a condition where a task is perpetually denied the resources it needs because others are continually favored by the scheduler or locking policy

Answer + AI explanation with Pro

1. A.a situation where tasks keep changing state in response to each other yet make no useful progress, despite never being blocked
2. B.a defect where program correctness depends on the unpredictable interleaving or relative timing of operations on shared state
3. C.the four requirements that must all hold for a circular wait failure: mutual exclusion, hold-and-wait, no preemption, and a cycle of waiters
4. D.the prevention technique of always acquiring multiple locks in a single globally agreed sequence to break the circular-wait requirement

Answer + AI explanation with Pro

1. A.Lock ordering
2. B.Starvation
3. C.Deadlock
4. D.Coffman conditions

Answer + AI explanation with Pro

1. A.Coffman conditions — the prevention technique of always acquiring multiple locks in a single globally agreed sequence to break the circular-wait requirement
2. B.Coffman conditions — the four requirements that must all hold for a circular wait failure: mutual exclusion, hold-and-wait, no preemption, and a cycle of waiters
3. C.Coffman conditions — a condition where a task is perpetually denied the resources it needs because others are continually favored by the scheduler or locking policy
4. D.Coffman conditions — a defect where program correctness depends on the unpredictable interleaving or relative timing of operations on shared state

Answer + AI explanation with Pro

1. A.a condition where a task is perpetually denied the resources it needs because others are continually favored by the scheduler or locking policy
2. B.the four requirements that must all hold for a circular wait failure: mutual exclusion, hold-and-wait, no preemption, and a cycle of waiters
3. C.a defect where program correctness depends on the unpredictable interleaving or relative timing of operations on shared state
4. D.the prevention technique of always acquiring multiple locks in a single globally agreed sequence to break the circular-wait requirement

Answer + AI explanation with Pro

1. A.Livelock
2. B.Race condition
3. C.Starvation
4. D.Lock ordering

Answer + AI explanation with Pro

1. A.Lock ordering — the four requirements that must all hold for a circular wait failure: mutual exclusion, hold-and-wait, no preemption, and a cycle of waiters
2. B.Lock ordering — the prevention technique of always acquiring multiple locks in a single globally agreed sequence to break the circular-wait requirement
3. C.Lock ordering — a defect where program correctness depends on the unpredictable interleaving or relative timing of operations on shared state
4. D.Lock ordering — a condition where a task is perpetually denied the resources it needs because others are continually favored by the scheduler or locking policy

Answer + AI explanation with Pro