4.4.1 Error Guessing

Question 1

Error guessing is a test technique used to anticipate the occurrences of “e…“, “ “, and “f…“ based on the t…

Answer 1

errors
defects
failures
tester’s knowledge.

Question 2

Error guessing includes:
- how the “ “ has worked in t…
- the types of “ “ the developers tend t… and the types of “ “ that result from t…
- the types of “ “ that have occurred in o…

Answer 2

• application
  the past
• errors
  to make
  defects
  these errors
• failures
  other, similar applications

Question 3

In general, errors, defects and failures may be related to “inp…“ (correct i… , parameters wrong or “ “ ), “o…“ (wrong “ “, wrong “ “), “l…“ (missing “ “, wrong “ “), “comp… “ (incorrect “ “, wrong “ “), “int…” (parameter “ “, incompatible “ “ ), or “d…” (incorrect “ “, wrong “ “)

Answer 3

input
input not accepted
missing

output
format
result

logic
cases
operator

computation
operand
computation

interfaces
mismatch
types

data
initialization
type

Question 4

Fault attacks are a way to implement e…

Answer 4

error guessing.

Question 5

Fault attacks requires the tester to create or acquire a list of possible “e…“, “ “, and “f…“, and to design “ “ that will identify d… , expose the “d…“, or cause the “ “.

Answer 5

errors
defects
failures,
tests
defects associated with the errors
defects
failures.

Question 6

The fault attack lists can be built based on “e…“, “ “ and f… or from c… about why s…

Answer 6

experience
defect
failure data,
common knowledge
software fails.