PASS GUARANTEED ISTQB - EFFICIENT CTAL-TTA - RELIABLE CERTIFIED TESTER ADVANCED LEVEL TECHNICAL TEST ANALYST EXAM ONLINE

Pass Guaranteed ISTQB - Efficient CTAL-TTA - Reliable Certified Tester Advanced Level Technical Test Analyst Exam Online

Pass Guaranteed ISTQB - Efficient CTAL-TTA - Reliable Certified Tester Advanced Level Technical Test Analyst Exam Online

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ISTQB Certified Tester Advanced Level Technical Test Analyst Sample Questions (Q10-Q15):

NEW QUESTION # 10
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. Orthogonal arrays
  • C. Exploratory analysis
  • D. Static analysis

Answer: D

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 # 11
Which of the following statements is TRUE regarding tools that support component testing and the build process?

  • A. Both provide run-time information on the state of the software code, e.g., unassigned pointers and the use and de-allocation of memory.
  • B. Both are used to examine source code before a program is executed. This is done by analysing a section of code against a set (or multiple sets) of coding rules.
  • C. Both provide an environment for unit testing in which a component can be tested in isolation with suitable stubs and drivers.
  • D. Both are used to reduce the costs of test environments by replacing real devices.

Answer: C

Explanation:
Tools that support component testing and the build process are designed to provide a controlled environment where individual units or components of the software can be tested in isolation. This is typically done using stubs, which simulate the behavior of missing components, and drivers, which simulate the behavior of a user or calling program. This isolated environment is essential for unit testing because it allows testers to find defects within the boundaries of a single component before integrating it into the larger system.


NEW QUESTION # 12
Consider the simplified logic below for crediting money to a bank account.
Receive money and account number to be credited
IF account number is valid
IF customer account is active
Store current account balance as oldBalance
Credit money to account
IF oldBalance < zero
IF balance now >= zero
Set message "Overdraft cleared"
ELSE
Set message "A/c overdrawn"
ENDIF
ELSE
Set message = "You have more money"
ENDIF
IF account holder is VIP customer
Send message by email to customer
ENDIF
ELSE
Set message "A/c inactive"
Send message by email to supervisor
ENDIF
ELSE
Add 1 to count of invalid inputs
ENDIF
What is the minimum quantity of test cases that will give 100% statement coverage?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: A

Explanation:
To determine the minimum quantity of test cases that will give 100% statement coverage, we need to ensure that each executable statement in the code is executed at least once. Let's analyze the code step by step to identify the necessary paths:
* Valid account number and active account:
* Crediting money to the account.
* Old balance < zero, new balance >= zero (overdraft cleared).
* VIP customer: message sent by email.
* Valid account number and active account:
* Crediting money to the account.
* Old balance < zero, new balance < zero (account overdrawn).
* Non-VIP customer.
* Valid account number and active account:
* Crediting money to the account.
* Old balance >= zero.
* VIP customer: message sent by email.
* Valid account number but inactive account:
* Set message "A/c inactive".
* Send message by email to supervisor.
* Invalid account number:
* Add to the count of invalid inputs.
Considering these scenarios, we can see that the minimum number of test cases to cover all statements is three:
* Path with a valid, active account, old balance < zero, new balance >= zero, and VIP customer.
* Path with a valid, active account, old balance >= zero, and non-VIP customer.
* Path with an inactive account or invalid account number.
Therefore, the correct answer is D. 3.


NEW QUESTION # 13
Which of the following is a valid reason for including security testing in a test approach?

  • A. There is a threat of unauthorized copying of applications or data.
  • B. Software changes will be frequent after it enters production.
  • C. To evaluate the ability of a system to handle peak loads at or beyond the limits of its anticipated or specified workloads
  • D. To provide measurements from which an overall level of availability can be obtained.

Answer: A

Explanation:
Including security testing in a test approach is valid when there are concerns about unauthorized access or activities, such as the threat of unauthorized copying of applications or data (option A). This type of testing aims to uncover vulnerabilities that could be exploited to compromise the confidentiality, integrity, or availability of the system. The other options listed-availability measurements (option B), system's peak load handling (option C), and frequent software changes (option D)-relate to different aspects of testing, such as reliability, performance, and maintainability, which are not directly associated with security testing.


NEW QUESTION # 14
A new reusable software component that handles sensor management has been developed. It will be used in manufacturing processes that work at SIL 2 and avionics systems where failure could lead to a "major" incident. The code contains no loops but does contain decisions with multiple conditions. Which of the following would be the BEST structure-based testing option for the new software?

  • A. Statement coverage
  • B. Decision coverage
  • C. API coverage
  • D. MC/DC coverage

Answer: D

Explanation:
* Context of the Problem:
* The software component handles sensor management.
* It is used in manufacturing processes that work at SIL 2 and avionics systems.
* Failure could lead to a "major" incident.
* The code contains decisions with multiple conditions and no loops.
* Safety Integrity Level (SIL) 2:
* SIL 2 indicates that the software must adhere to stringent safety standards.
* Avionics systems also require high safety standards due to the potential consequences of failure.
* Testing Options:
* MC/DC (Modified Condition/Decision Coverage):
* MC/DC is essential for high-integrity and safety-critical systems like avionics.
* Ensures each condition in a decision has been shown to independently affect the outcome.
* Required by standards such as DO-178C for avionics software at certain levels.
* API Coverage:
* Focuses on testing the interfaces between components.
* Important but not sufficient alone for high-integrity, safety-critical systems.
* Decision Coverage:
* Ensures that each decision point (i.e., if statements) is evaluated as both true and false.
* Less comprehensive than MC/DC for safety-critical applications.
* Statement Coverage:
* Ensures that each statement in the code has been executed at least once.
* Basic level of coverage, insufficient for safety-critical systems like those at SIL 2.
* Best Option:
* Given the high safety requirements (SIL 2, major incident potential), MC/DC coverage is the best option. It provides a thorough level of testing needed to meet safety standards.


NEW QUESTION # 15
......

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