Performance Metrics MCQs – T4Tutorials.com

What is the primary metric used to measure the speed of a computer system?
a) Clock speed
b) Memory size
c) Storage capacity
d) Power consumption
Answer: a) Clock speed

Which performance metric is used to evaluate how efficiently a system utilizes its resources?
a) Throughput
b) Latency
c) Bandwidth
d) Utilization
Answer: d) Utilization

How is system throughput generally defined?
a) The amount of work a system can complete in a given period
b) The time taken for a single operation to complete
c) The number of operations a system can perform per second
d) The maximum speed of the system’s clock
Answer: a) The amount of work a system can complete in a given period

What does latency measure in a computer system?
a) The delay before a transfer of data begins following an instruction
b) The total amount of data transferred over a period
c) The speed at which a system processes data
d) The efficiency of data storage
Answer: a) The delay before a transfer of data begins following an instruction

Which metric is used to describe the amount of data a system can handle in a given time frame?
a) Bandwidth
b) Latency
c) Throughput
d) Utilization
Answer: a) Bandwidth

What does CPU utilization indicate about a computer system?
a) The percentage of time the CPU is actively processing instructions
b) The amount of data processed per second
c) The speed of the CPU clock
d) The total memory used by the system
Answer: a) The percentage of time the CPU is actively processing instructions

How is the performance of a system’s disk I/O typically measured?
a) Disk throughput
b) CPU clock speed
c) Memory latency
d) Network bandwidth
Answer: a) Disk throughput

What is a common metric used to evaluate the efficiency of memory access?
a) Memory access time
b) Disk I/O speed
c) Network latency
d) CPU clock frequency
Answer: a) Memory access time

Which metric represents the average time required to complete a transaction or process?
a) Average response time
b) Throughput
c) CPU utilization
d) Bandwidth
Answer: a) Average response time

What performance metric is used to assess the effectiveness of a network connection?
a) Network bandwidth
b) CPU speed
c) Disk storage
d) Memory size
Answer: a) Network bandwidth

How is throughput different from bandwidth?
a) Throughput measures actual data transfer rates, while bandwidth measures maximum potential rates
b) Bandwidth measures actual data transfer rates, while throughput measures maximum potential rates
c) Throughput is related to memory access, while bandwidth is related to CPU speed
d) There is no difference between throughput and bandwidth
Answer: a) Throughput measures actual data transfer rates, while bandwidth measures maximum potential rates

Which metric measures the maximum amount of data that can be transferred in a given time period?
a) Bandwidth
b) Latency
c) Throughput
d) Utilization
Answer: a) Bandwidth

What does the term “response time” refer to in performance metrics?
a) The time taken from the initiation of a request to the completion of the response
b) The speed of data transfer across a network
c) The time taken for a CPU to complete an instruction
d) The maximum capacity of a data bus
Answer: a) The time taken from the initiation of a request to the completion of the response

Which performance metric indicates the speed at which a system completes a task or process?
a) Throughput
b) Latency
c) Utilization
d) Bandwidth
Answer: a) Throughput

How is CPU performance often measured in terms of its ability to execute instructions?
a) Instructions per cycle (IPC)
b) Memory bandwidth
c) Disk throughput
d) Network latency
Answer: a) Instructions per cycle (IPC)

What is the primary measure of a system’s responsiveness to user inputs?
a) Response time
b) Bandwidth
c) Utilization
d) Throughput
Answer: a) Response time

Which performance metric is used to evaluate how well a system’s resources are used relative to their total capacity?
a) Utilization
b) Latency
c) Throughput
d) Bandwidth
Answer: a) Utilization

What does high CPU utilization typically indicate?
a) The CPU is being effectively used and is busy processing instructions
b) The CPU is idle and not performing many tasks
c) The system has a large amount of available memory
d) The network bandwidth is being fully utilized
Answer: a) The CPU is being effectively used and is busy processing instructions

In network performance, what does latency measure?
a) The delay in data transmission between devices
b) The amount of data that can be transmitted per second
c) The total amount of data processed by the network
d) The speed at which data is retrieved from memory
Answer: a) The delay in data transmission between devices

Which metric is crucial for determining the performance of a disk subsystem?
a) Disk throughput
b) Network latency
c) CPU utilization
d) Memory size
Answer: a) Disk throughput

What does a high average response time indicate about a system?
a) The system may be experiencing delays or inefficiencies
b) The system has high throughput
c) The system is utilizing its resources efficiently
d) The system has high bandwidth
Answer: a) The system may be experiencing delays or inefficiencies

Which metric is often used to evaluate the performance of a database system?
a) Transaction throughput
b) Network bandwidth
c) Memory latency
d) Disk storage
Answer: a) Transaction throughput

How is the effectiveness of a caching system typically measured?
a) Cache hit ratio
b) Network latency
c) CPU clock speed
d) Disk throughput
Answer: a) Cache hit ratio

What does the term “bandwidth” refer to in the context of network performance?
a) The maximum amount of data that can be transmitted over a network in a given time period
b) The time delay in data transmission
c) The number of devices connected to a network
d) The total amount of data processed by the network
Answer: a) The maximum amount of data that can be transmitted over a network in a given time period

Which performance metric would you use to measure the efficiency of a system’s CPU in handling tasks?
a) Instructions per cycle (IPC)
b) Memory access time
c) Disk I/O speed
d) Network bandwidth
Answer: a) Instructions per cycle (IPC)

What is a common performance metric used to measure the speed of data retrieval from memory?
a) Memory access time
b) Disk throughput
c) Network latency
d) CPU utilization
Answer: a) Memory access time

How does throughput differ from response time?
a) Throughput measures the amount of work done in a given time, while response time measures the delay in processing
b) Throughput measures the delay in processing, while response time measures the amount of work done
c) Throughput and response time are the same metrics
d) Response time measures the amount of data transferred, while throughput measures the speed of data transfer
Answer: a) Throughput measures the amount of work done in a given time, while response time measures the delay in processing

Which performance metric indicates the efficiency of a system’s network in terms of data transfer speed?
a) Bandwidth
b) Utilization
c) Response time
d) Latency
Answer: a) Bandwidth

What does a high cache miss ratio indicate about a caching system?
a) The cache is not effectively storing frequently accessed data
b) The cache is performing optimally
c) The cache has high hit ratio
d) The system has high bandwidth
Answer: a) The cache is not effectively storing frequently accessed data

Which metric would you use to determine how quickly a system responds to user inputs?
a) Response time
b) Latency
c) Throughput
d) Bandwidth
Answer: a) Response time

What is the significance of high latency in a system’s performance?
a) It indicates delays in data transfer or processing
b) It indicates high throughput and efficient data handling
c) It reflects a high CPU utilization rate
d) It shows effective use of bandwidth
Answer: a) It indicates delays in data transfer or processing

Which performance metric is typically used to measure the amount of data a system can process in a given time period?
a) Throughput
b) Latency
c) Bandwidth
d) CPU speed
Answer: a) Throughput

How does CPU speed relate to system performance?
a) It influences the number of instructions processed per second
b) It determines the amount of data stored in memory
c) It affects the speed of data transfer across the network
d) It measures the efficiency of disk I/O operations
Answer: a) It influences the number of instructions processed per second

What metric is used to evaluate the effectiveness of a system’s memory in terms of access speed?
a) Memory access time
b) Disk throughput
c) Network bandwidth
d) CPU utilization
Answer: a) Memory access time

How is the efficiency of a system’s disk I/O typically assessed?
a) By measuring disk throughput
b) By evaluating CPU speed
c) By checking network latency
d) By analyzing memory size
Answer: a) By measuring disk throughput

Which metric reflects the proportion of cache accesses that result in hits?
a) Cache hit ratio
b) Bandwidth
c) Disk throughput
d) CPU utilization
Answer: a) Cache hit ratio

What does the term “utilization” measure in the context of performance metrics?
a) The percentage of system resources actively used compared to the total available
b) The maximum speed of data transfer
c) The delay in processing operations
d) The total amount of data transferred
Answer: a) The percentage of system resources actively used compared to the total available

Which performance metric is crucial for evaluating the effectiveness of a network in handling data?
a) Bandwidth
b) Response time
c) CPU utilization
d) Memory access time
Answer: a) Bandwidth

What does a high instruction per cycle (IPC) value indicate about a CPU?
a) The CPU is capable of executing more instructions per clock cycle, improving performance
b) The CPU has high latency
c) The CPU’s memory access time is longer
d) The CPU’s throughput is lower
Answer: a) The CPU is capable of executing more instructions per clock cycle, improving performance

Which metric measures the time it takes for a system to start processing a request after receiving it?
a) Latency
b) Throughput
c) Bandwidth
d) Utilization
Answer: a) Latency

How does high CPU utilization impact system performance?
a) It indicates that the CPU is actively used and may lead to better performance if within optimal limits
b) It shows that the CPU is idle and not performing many tasks
c) It suggests a low memory access time
d) It reflects poor network bandwidth
Answer: a) It indicates that the CPU is actively used and may lead to better performance if within optimal limits

What is the key benefit of measuring throughput in a system?
a) It provides insight into the amount of work the system can handle in a given time frame
b) It measures the delay in data transmission
c) It evaluates the efficiency of the CPU in processing instructions
d) It reflects the system’s memory access time
Answer: a) It provides insight into the amount of work the system can handle in a given time frame

Which metric is used to evaluate how effectively a caching system improves performance?
a) Cache hit ratio
b) Network bandwidth
c) Disk throughput
d) CPU clock speed
Answer: a) Cache hit ratio

How does a high average response time affect user experience?
a) It indicates that users may experience delays or reduced responsiveness from the system
b) It means that the system has high throughput
c) It reflects efficient use of network bandwidth
d) It shows that the CPU is operating at high speed
Answer: a) It indicates that users may experience delays or reduced responsiveness from the system

Which performance metric is used to measure the efficiency of data transfer across a network?
a) Bandwidth
b) CPU utilization
c) Memory size
d) Disk throughput
Answer: a) Bandwidth

What does a high cache miss ratio indicate about a caching strategy?
a) The caching strategy is not effectively storing frequently accessed data
b) The cache is performing optimally
c) The cache hit ratio is high
d) The system’s bandwidth is fully utilized
Answer: a) The caching strategy is not effectively storing frequently accessed data

Which metric would you use to evaluate the effectiveness of a system in processing multiple transactions or tasks?
a) Throughput
b) Latency
c) Bandwidth
d) Response time
Answer: a) Throughput

How does high latency impact system performance?
a) It results in delays in data transfer or processing, negatively affecting performance
b) It improves the efficiency of data handling
c) It increases the system’s overall throughput
d) It indicates high CPU utilization
Answer: a) It results in delays in data transfer or processing, negatively affecting performance

Which performance metric measures the maximum capacity of a system to handle data transfer?
a) Bandwidth
b) Latency
c) Throughput
d) Utilization
Answer: a) Bandwidth

What does the term “cache hit ratio” measure?
a) The percentage of cache accesses that result in hits versus misses
b) The amount of data processed per second
c) The speed of data retrieval from memory
d) The total memory size
Answer: a) The percentage of cache accesses that result in hits versus misses

Which performance metric indicates the average time taken for a system to complete a task?
a) Average response time
b) Throughput
c) Bandwidth
d) CPU speed
Answer: a) Average response time

How is CPU performance typically measured in terms of task processing efficiency?
a) Instructions per cycle (IPC)
b) Memory access time
c) Disk throughput
d) Network bandwidth
Answer: a) Instructions per cycle (IPC)

What is the significance of low latency in a system’s performance?
a) It indicates that data transfers or processing occur quickly, improving overall performance
b) It reflects high throughput
c) It shows effective utilization of CPU resources
d) It measures the system’s network bandwidth
Answer: a) It indicates that data transfers or processing occur quickly, improving overall performance

Which metric is crucial for evaluating the performance of a system’s disk I/O operations?
a) Disk throughput
b) Network latency
c) CPU speed
d) Memory size
Answer: a) Disk throughput

What does high memory access time indicate about a system’s performance?
a) It suggests delays in retrieving data from memory, negatively impacting performance
b) It reflects high system throughput
c) It indicates effective use of bandwidth
d) It shows high cache hit ratio
Answer: a) It suggests delays in retrieving data from memory, negatively impacting performance

How is system performance typically evaluated in terms of data transfer rates?
a) By measuring bandwidth
b) By analyzing response time
c) By checking CPU utilization
d) By evaluating memory access time
Answer: a) By measuring bandwidth

Which performance metric provides insight into how well a system can handle simultaneous tasks or transactions?
a) Throughput
b) Latency
c) Bandwidth
d) Response time
Answer: a) Throughput

What does a high CPU utilization rate generally indicate?
a) The CPU is effectively used and processing a significant amount of instructions
b) The CPU is idle and not performing many tasks
c) The system’s memory access time is optimal
d) The system has high network bandwidth
Answer: a) The CPU is effectively used and processing a significant amount of instructions

Which performance metric is important for understanding the delay in processing data requests?
a) Latency
b) Throughput
c) Bandwidth
d) Utilization
Answer: a) Latency

How does high throughput affect a system’s performance?
a) It indicates that the system can handle a large amount of work in a given time period
b) It shows that the system has high latency
c) It reflects low memory access time
d) It suggests ineffective use of CPU resources
Answer: a) It indicates that the system can handle a large amount of work in a given time period

Which metric measures the speed at which data is transferred or processed in a system?
a) Bandwidth
b) Latency
c) Throughput
d) Utilization
Answer: c) Throughput

What is the impact of high cache miss ratio on system performance?
a) It suggests that the cache is not effectively storing frequently accessed data, leading to more frequent access to slower storage
b) It indicates that the system’s network bandwidth is being utilized effectively
c) It reflects low latency and efficient data transfer
d) It shows high CPU utilization
Answer: a) It suggests that the cache is not effectively storing frequently accessed data, leading to more frequent access to slower storage

Which performance metric is most relevant for evaluating how quickly a system can start processing a request?
a) Latency
b) Throughput
c) Bandwidth
d) CPU speed
Answer: a) Latency

How is system performance typically measured in terms of resource usage efficiency?
a) Utilization
b) Throughput
c) Bandwidth
d) Response time
Answer: a) Utilization

What does high average response time usually indicate about a system?
a) The system may be experiencing inefficiencies or delays in processing requests
b) The system has high throughput and effective resource management
c) The system’s bandwidth is being fully utilized
d) The system’s cache hit ratio is high
Answer: a) The system may be experiencing inefficiencies or delays in processing requests

Which metric reflects the efficiency of data transfer in a network?
a) Bandwidth
b) CPU utilization
c) Memory access time
d) Disk throughput
Answer: a) Bandwidth

What does a high instruction per cycle (IPC) value signify about a CPU’s performance?
a) The CPU is processing more instructions per clock cycle, leading to better performance
b) The CPU has high latency
c) The CPU’s throughput is low
d) The CPU’s memory access time is longer
Answer: a) The CPU is processing more instructions per clock cycle, leading to better performance

Which performance metric would you use to assess the time delay in data processing within a system?
a) Latency
b) Throughput
c) Bandwidth
d) Utilization
Answer: a) Latency

How does high memory access time affect system performance?
a) It indicates that data retrieval from memory is slower, potentially impacting overall system performance
b) It shows high disk throughput
c) It reflects effective network bandwidth usage
d) It suggests high cache hit ratio
Answer: a) It indicates that data retrieval from memory is slower, potentially impacting overall system performance

Which metric is crucial for understanding how efficiently a system processes multiple simultaneous transactions?
a) Throughput
b) Latency
c) Bandwidth
d) Response time
Answer: a) Throughput

What does high CPU utilization typically suggest about a system’s performance?
a) The CPU is being actively used and may indicate efficient performance if within optimal limits
b) The CPU is idle and not performing tasks
c) The system has high memory access time
d) The system’s disk throughput is low
Answer: a) The CPU is being actively used and may indicate efficient performance if within optimal limits

Performance Metrics MCQs
By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 20, 2024

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