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Which ONE of the following options is NOT an advantage of aggregating results from performance testing?
SELECT ONE OPTION
Aggregating results from performance testing allows for the identification of performance trends, reporting of metrics in an understandable way, and providing stakeholders with insights into the speed of specific business processes. However, it does not necessarily provide an overall status of system performance. Instead, it focuses on detailed metrics and trends. ISTQB guidelines highlight the importance of presenting performance metrics clearly but recognize that aggregated data does not equate to a comprehensive status overview of the entire system's performance.
If Emily is conducting a performance test to determine that a system exposed to a load can respond to a high number of concurrent users during short periods of time that occur on specific days and at specific times, and then return to a stable state.
What type of performance testing is Emily conducting?
SELECT ONE OPTION
Spike testing involves subjecting a system to a significant increase in load for short periods of time to determine if it can handle sudden spikes in traffic. Emily's scenario of testing a system's response to a high number of concurrent users during specific periods and then returning to a stable state fits the description of spike testing.
* ISTQB Performance Testing Syllabus
* ISTQB Glossary
Which of following statements (listed I. to V.) are TRUE in characterizing result verification and error handling in a performance test script?
1. It is not necessary to verify that the script Is doing what It is supposed to do using Indirect methods, such as a database check.
2. The scripts should always include logical rules.
3. Manual intervention may be required to carry out remedial action in the event of an error.
4. Performance scripts should be subject to quality control and testing, just like any software product.
5. The default error handling of the performance test tools Is sufficient, so no additional checks need to be introduced.
SELECT ONE OPTION
Performance test scripts require meticulous verification and error handling to ensure they function as intended.
* Statement III: Manual intervention may be required to carry out remedial action in the event of an error. This is true as certain errors might require human judgment to resolve.
* Statement IV: Performance scripts should be subject to quality control and testing, just like any software product. This ensures the reliability and effectiveness of the performance test scripts.
Statements I, II, and V have inaccuracies:
* Statement I: Verification using indirect methods can be necessary.
* Statement II: While logical rules are important, they are not always mandatory.
* Statement V: Default error handling may not be sufficient, and additional checks can be crucial.
* ISTQB Performance Testing Syllabus
* ISTQB Advanced Test Automation Engineer Syllabus
If a performance test is testing the response time of an application to be connected through remote access, which protocol is being used?
SELECT ONE OPTION
RTE (Remote Terminal Emulation) protocol is used when testing the response time of an application connected through remote access. It simulates interactions with applications over a network as if they were being accessed locally, making it suitable for remote access scenarios.
* ISTQB Performance Testing Syllabus
* ISTQB Glossary
Select the option that identifies the possible causes of the degradation of a system's response over time during dynamic performance testing.
1. Disk fragmentation.
2. Network latency.
3. File repository growth.
4. Memory leaks.
5. Inadequate database design.
SELECT ONE OPTION
* Disk fragmentation (I) can lead to slower data retrieval times as the disk has to work harder to read fragmented files.
* File repository growth (III) increases the amount of data that must be managed and retrieved, which can slow down response times.
* Memory leaks (IV) gradually consume available memory, leading to slower system performance as the available memory for processing tasks decreases.
Network latency (II) and inadequate database design (V) are also potential causes of performance degradation, but in this context, options I, III, and IV are the most directly related to the gradual degradation of response times over time. This understanding is supported by common performance testing practices outlined in ISTQB materials.
