1. Tester should understand the vulnerability of the system because by this skill it should be able to secure the system for the parts where the attacks can be done.
2. Understand the web technologies and communication techniques of them because the two way communication understanding is one of the most important skill a tester should have so that he/she should have a proper image of what the system doing and how it is doing it.
3. Ability yo code scripts and most importantly understand them because while testing there are many script code to be read and understand for any bug or error the system is facing.
Given a list of syntax errors from a compiler, a programmer should focus attention on the first errors before recompiling,
<h3>What is first error?</h3>
This is referred to a type of error which occurs during compilation in a syntax operation.
This error is suaully as a resuklt of incorrect spelling of variable or function name or parenthesis absence and should be corrected alone before recompiling is done thereby making it the most appropriate choice.
Read more about Syntax here brainly.com/question/18497347
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