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ISTQB CTAL-TTA Exam Syllabus Topics:

ISTQB Certified Tester Advanced Level Technical Test Analyst Sample Questions:

1. The requirements specification of a product begins with this sentence:
"The xyz system will provide many new user functions. These must be easy for our operators to use and tolerant of user input errors. These new functions must also be easy to learn. Because of very high transaction rates and limited processing power, the software design must be very efficient. The system must be available as close to 24x7 as possible.
Which three ISO 25010 major quality characteristics should be tested for possible defects with this implementation?

A) Reliability, usability, performance efficiency
B) Usability, fault tolerance, operability
C) Stability, security, accessibility
D) Functional suitability, interoperability, learnability

2. Consider the following pseudocode segment:
set a = 1
while a < 12
display "this is loop", a
if a > 10 then
display "loop is > 10'
set a = 5
else
display "loop is < 11*
endif
end while
display "Final value of a is", a
Which of the following issues should be detected in the code review?

A) Loop termination is not achievable
B) Rounding errors on the loop counters could cause problems
C) Variables are used before they are initialized
D) Some of the code could be moved to re-usable functions

3. BestFor Incorporated is a rapidly growing online financial services company that offers guidance to its customers on a range of financial products. Its first website, BestForMortgages, was launched two years ago, shortly followed by BestForPensions. The popularity of both sites has driven the company to expand its offerings into other sectors and a third website, BestForFood, has recently been released.
The first two websites have proven to be functionally robust but suffered from performance issues due to:
Underestimation of concurrent user access at peak times in its original operational profiles Data volumes rapidly growing beyond expectations on a single database shared by both sites.
All three websites share the same web server.
The BestForFood system has been running live for several months, however the following significant non-functional defects have been recorded:
A) The layout and navigation of the BestForFood website was not considered by the users as consistent with BestForPensions and BestForMortgages B) Soon after delivering the BestForFood system the performance of both BestForPensions and BestForMortgages noticeably slowed C) The time taken to diagnose, repair and re-test production defects did not meet BestForFood service level agreements D) BestForFood performance was adversely impacted by unexpected growth in data volumes E) The time taken to install monthly builds into the production system exceeded agreed timescales.
Which TWO of these defects might have been prevented had portability testing and compatibility testing been employed?

A) c and e
B) a and d
C) b and c
D) a and b

4. Your team is developing an e-shop application (the SUT) that will use a third-party service to process payments via an API. This third-party payment gateway is itself still under development Which statement contains a pair of benefits that can BOTH be expected from service virtualization in this circumstance' SELECT ONE OPTION

A) Parallel compilation, continuous integration, and test automation; more effective configuration management.
B) Realistic testing of the SUT before the actual payment gateway is available, simplification of the test environment
C) Earlier testing of the API, reduction in the amount of test data needed
D) Earlier discovery of defects in the SUT; the ability to share code between the SUT and the payment gateway.

5. 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) 33%
B) 100%
C) 0%
D) 50%

Solutions: