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RTOS响应时间的具体指标不包括如下哪一项？（）
- A、中断延迟时间（Interrupt Latency）
- B、任务切换时间（Task Switching Latency）
- C、进程切换时间（Process Switching Latency）
- D、存储器延迟时间（Memory Latency）
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更多 “RTOS响应时间的具体指标不包括如下哪一项？（）A、中断延迟时间（Interrupt Latency）B、任务切换时间（Task Switching Latency）C、进程切换时间（Process Switching Latency）D、存储器延迟时间（Memory Latency）” 相关考题
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What are two characteristics of "store and forward" switching? (Select two answer choices)A．Latency fluctuates regardless of frame. size.B．The switch receives the complete frame. before beginning to forward it.C．Latency through the switch varies with frame. length.D．The switch checks the destination address upon receipt of headers.
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Which three statements correctly describe the features of the I／O calibration process?()
A. Only one I/O calibration process can run at a time.B. It automates the resource allocation for the Automated Maintenance Tasks.C. It improves the performance of the performance-critical sessions while running.D. It can be used to estimate the maximum number of I/Os and maximum latency time for the system.E. The latency time is computed only when the TIMED_STATISTICS initialization parameter is set to TRUE.
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IEEE的实时UNIX分委会认为实时操作系统应该具备若干特征，下面哪一项不是实时操作系统必须具有的特征？（）A.具有异步I/O和中断处理能力B.任务切换时间和中断延迟时间确定C.优先级中断和调度D.轮转调度
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响应时间（Response Time）是计算机从识别一个外部事件到做出响应的时间。在RTOS运行过程中响应时间是重要指标之一，其具体指标包括：___【27】____延迟时间和___【28】____切换时间。
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Which two statements describe the criteria bandwidth detection uses to dynamically alter bandwidth allocation?()(Choose two.)
A. Throughput is raised as latency decreases.B. Throughput is based on available bandwidth.C. Throughput is lowered as latency decreases.D. Latency is measured by SYNs returned for each metapacket.
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RTOS响应时间的具体指标不包括如下哪一项：（）。A.中断延迟时间（Interrupt Latency）B.任务切换时间（Task Switching Latency）C.进程切换时间（Process Switching Latency）D.存储器延迟时间（Memory Latency）
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One type of frame switching uses low－latency forwarding and then switches to a higher－latency error checking mode when an error threshold is exceeded. What is the name of this frame switching mode?()
A. store and forwardB. fragment-freeC. adaptive cut-throughD. fast-forward
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● 嵌入式系统大都采用嵌入式实时操作系统 RTOS， （54） 不是对 RTOS 时间性能的评价指标。（54）A. 上下文切换时间B. 最大中断延迟时间C. 任务调度算法D. 任务执行时间
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Circuit Switching is problematic because data communications is（），that is， it is typically dominated by short bursts of activity with long periods of（）.A．reliable B．bursty C．digital D．continuous A．latency B．transmission C．delay D．inactivity
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A real-time operating system.（RTOS）is an operating system intended to serve（ ）application process data as it comes in,typically without buffering delays.A key（请作答此空）of a RTOS is the level of its consistency concerning the amount of time it takes to accept and complete an application’s task;the variability is jitter.A hard real-time operating system has（ ）jitter than a soft real-time operating system.The chief design goal is not high throughput,but rather a guarantee of a soft or hard performance category.A RTOS has an advanced algorithm for scheduling.（ ）flexibility enables a wider,computer-system orchestration of process priorities,but a real-time OS is more frequently dedicated to a narrow set of applications.Key factors in a real-time OS are minimal（ ）latency and minimal thread switching latency.A.characteristic
B.programming
C.structure
D.computer
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IEEE的实时UNIX分委会认为实时操作系统应该具备若干特征，下面哪一项不是实时操作系统必须具有的特征？（）A、具有异步I/O和中断处理能力B、任务切换时间和中断延迟时间确定C、优先级中断和调度D、轮转调度
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What is the effect of changing DMT interleaved delay from 3 milliseconds to 15 milliseconds？（）A、Latency remains the same， but throughput is decreased.B、Latency remains the same， but error correction effectives may also be reduced.C、Latency is increased， but faster error correction occurs.D、Fewer ATM PVCs can be provisioned on DSL line.
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Which two scenarios would benefit the most from TCP Acceleration? （）(Choose two.)A、low-latency networksB、high-latency networksC、long-haul, low-bandwidth linksD、long-haul, high-bandwidth links
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One type of frame switching uses low-latency forwarding and then switches to a higher-latency error checking mode when an error threshold is exceeded. What is the name of this frame switching mode?（）A、store and forwardB、fragment-freeC、adaptive cut-throughD、fast-forward
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What are two characteristics of "store and forward" switching?（）A、Latency fluctuates regardless of frame size.B、The switch receives the complete frame before beginning to forward it.C、Latency through the switch varies with frame length.D、The switch checks the destination address upon receipt of headers.
考题
Which of the following is the definition of CAS latency？（）A、 CAS latency is the ratio between the column access time and the clock cycle time.B、 CAS latency is the ratio between the row access time and the clock cycle time.C、 CAS latency is the ratio between the column access time and the data burst transfer time.D、 CAS latency is the ratio between the row access time and the data burst transfer time.
考题
Which two statements describe the criteria bandwidth detection uses to dynamically alter bandwidth allocation?（）(Choose two.)A、Throughput is raised as latency decreases.B、Throughput is based on available bandwidth.C、Throughput is lowered as latency decreases.D、Latency is measured by SYNs returned for each metapacket
考题
Which three statements correctly describe the features of the I/O calibration process？（）A、 Only one I/O calibration process can run at a timeB、 It automates the resource allocation for the Automated Maintenance TasksC、 It improves the performance of the performance-critical sessions while runningD、 It can be used to estimate the maximum number of I/Os and maximum latency time for the systemE、 The latency time is computed only when the TIMED_STATISTICS initialization parameter is set to TRUE
考题
单选题Which of the following is the definition of CAS latency？（）A
CAS latency is the ratio between the column access time and the clock cycle time.B
CAS latency is the ratio between the row access time and the clock cycle time.C
CAS latency is the ratio between the column access time and the data burst transfer time.D
CAS latency is the ratio between the row access time and the data burst transfer time.
考题
单选题One type of frame switching uses low-latency forwarding and then switches to a higher-latency error checking mode when an error threshold is exceeded. What is the name of this frame switching mode?（）A
store and forwardB
fragment-freeC
adaptive cut-throughD
fast-forward
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