CTAL-TTA VALID TEST CRAM EXAM | ISTQB RELIABLE CTAL-TTA LEARNING MATERIALS–100% FREE

CTAL-TTA Valid Test Cram Exam | ISTQB Reliable CTAL-TTA Learning Materials–100% free

CTAL-TTA Valid Test Cram Exam | ISTQB Reliable CTAL-TTA Learning Materials–100% free

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ISTQB Certified Tester Advanced Level Technical Test Analyst Sample Questions (Q89-Q94):

NEW QUESTION # 89
You are testing software that requires you to enter defined order numbers and either add, delete or update the information associated with that order number, which of the following is the minimum set of columns you should see in your keyword-driven input table?

  • A. Action, Order ID, Expected Result
  • B. Action, Order ID
  • C. Order ID. Expected Result
  • D. Action, Expected Result, Error Message

Answer: A

Explanation:
For a keyword-driven testing approach involving operations on an order number, the minimal essential columns for the input table would be 'Action', 'Order ID', and 'Expected Result'. This setup supports clearly defined operations (Action) on specific entities (Order ID) and validation against expected outcomes (Expected Result), thereby facilitating structured and efficient testing. This configuration provides the required information for executing actions and verifying outcomes without redundancy or ambiguity.


NEW QUESTION # 90
Consider the following section of pseudo code and associated test Input data:
If withdrawal-amount <= amount-on-deposit then Set authorize-transaction = true Else If withdrawal-amount <= S100 AND preferred-customer = true then Set authorize-transaction = true Else Set authorize-transaction = false Endif Endif Input data set #1 withdrawal-amount = 160 amount-on-deposit = 100 preferred-customer = true Input data set #2 withdrawal-amount = 500 amount-on-deposit = 500 preferred-customer = false Input data set #3 withdrawal-amount = 50 amount-on-deposit = 500 preferred-customer = false What would be the decision coverage achieved if each of these test input data sets were run once?

  • A. 100%
  • B. 33%
  • C. 0%
  • D. 50%

Answer: A

Explanation:
To achieve decision coverage, each branch of the decision structure in the code must be executed at least once.
The code snippet has three branches:
* withdrawal-amount <= amount-on-deposit
* withdrawal-amount <= $100 AND preferred-customer = true
* Default case where the transaction is not authorized
* Data set #1 triggers the second branch because the withdrawal amount is not less than the amount on deposit, but it is less than $100, and the user is a preferred customer.
* Data set #2 triggers the first branch where the withdrawal amount is equal to the amount on deposit.
* Data set #3 tests the condition where the withdrawal amount is less than the deposit amount, but the user is not a preferred customer, triggering the default case.
All decision branches are covered by these test cases, achieving 100% decision coverage.


NEW QUESTION # 91
Your team is now accountable for the support and enhancement of a payroll system that has been in production for many years and modified by many different developers. It has been noticed by management that small functional enhancements take much longer than equivalent changes on more recently developed systems. You have been tasked with implementing improved testing approaches that will help to identify the root cause of this problem.
Which of the following is the best technique to apply in this scenario?

  • A. Data flow analysis
  • B. Static analysis
  • C. Orthogonal arrays
  • D. Exploratory analysis

Answer: B

Explanation:
Static analysis is the best technique for identifying the root causes of issues in a legacy system where small functional enhancements take disproportionately long to implement. This technique involves examining the code without executing it to detect potential vulnerabilities, coding errors, and complexities. Static analysis can highlight problematic code segments and inefficient coding practices that may contribute to the increased time required for implementing changes, thereby assisting in addressing these systemic issues efficiently.


NEW QUESTION # 92
The last release of a hotel booking website resulted in poor system performance when hotel searches reached peak volumes. To address these problems in the forthcoming release, changes to the system architecture are to be implemented as follows:
Change 1 - Provision of a single Internet service using multiple servers, rather than a single server, to maximize throughput and minimize response time during peak volumes Change 2 - Prevention of unnecessary database calls for objects that were not immediately needed by the calling applications. Achieved by not automatically creating database connections at the start of processing, instead only just before the data is required.
The system architecture document has been drafted and as Technical Test Analyst you have been invited to participate in its review. Which of the following review checklist items is MOST likely to identify any defects in the proposed system architecture for Change 2?

  • A. Connection pooling
  • B. Caching
  • C. Data replication
  • D. Lazy instantiation

Answer: D

Explanation:
Analysis:
For Change 2, the goal is to prevent unnecessary database calls by delaying the creation of database connections until they are actually needed. This approach is known as lazy instantiation.
C: Lazy instantiation:
* Lazy instantiation is a design pattern that defers the creation of an object until the point at which it is needed. This can help improve performance by reducing unnecessary resource consumption. In the context of database connections, it ensures that connections are only established when required, thus avoiding unnecessary overhead.
Explanation of Incorrect Options:
* A. Connection pooling:
* Connection pooling involves reusing database connections from a pool rather than creating new ones each time. While this improves efficiency, it does not specifically address the issue of deferring database connections until needed.
* B. Data replication:
* Data replication refers to copying data across multiple databases to ensure consistency and availability. It is not directly related to managing when database connections are established.
* D. Caching:
* Caching involves storing frequently accessed data in memory to improve retrieval times. While beneficial for performance, it does not address the specific issue of delaying database connections.
References:
The ISTQB CTAL-TTA syllabus and standard software architecture practices highlight the importance of design patterns such as lazy instantiation for optimizing resource usage and performance.
Sources:
* ISTQB-CTAL-TTA Syllabus
* General knowledge on software architecture design patterns.


NEW QUESTION # 93
You are responsible for planning the non-functional testing for a new product. You will be responsible for the performance testing and you have determined that you will need a simulator to complete your work, Which of the following are considerations when purchasing a simulator?
1.Path testing of the tool
2.Time to test the tool
3.cost of hmng specialists
4.Susceptibility to the "probe effect"
5.Method and bme to upgrade and retest the tool as the software changes
6.Control flow analysis

  • A. 1,2, 3, 4, 6
  • B. 2, 3, 5
  • C. 1,4,6
  • D. 4, 5,6

Answer: B

Explanation:
When purchasing a simulator for performance testing, considerations should include:
* Time to test the tool - How long it will take to validate the simulator itself.
* Cost of hiring specialists - The financial aspect of requiring specialized knowledge to operate or customize the simulator.
* Method and time to upgrade and retest the tool as the software changes - How the simulator can be kept up-to-date with the software it is meant to simulate and the effort involved in retesting it after updates.
These points focus on practical and economic aspects of using a simulator in testing environments.


NEW QUESTION # 94
......

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