Dell Softwaretest Engineer Interview Questions and Answers

Q1. C code to detect loop in linkedlist.
Ans. 
Use Floyd's Cycle Detection Algorithm to detect loop in linked list.
• Initialize two pointers, slow and fast, both pointing to the head of the linked list.

• Move slow pointer by one step and fast pointer by two steps in each iteration.

• If there is a loop, the slow and fast pointers will meet at some point.

• To find the start of the loop, reset one pointer to the head and move both pointers at the same pace until they meet aga
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Q2. Storage class Specifiers in c language
Ans. 
Storage class specifiers in C language define the scope and lifetime of variables.
• Storage class specifiers include auto, register, static, and extern.

• Auto variables are stored in the stack and have local scope.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared in one file and can be accessed in another file.
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Q3. Headerfile usage in c language
Ans. 
Header files in C language are used to declare functions, variables, and constants that are defined in other source files.
• Header files are included at the beginning of a C program using the #include directive.

• They help in organizing code by separating declarations from the actual implementation.

• Common header files in C include , , and .

• Header files can also be created by the user to declare c...read more
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Q1. Reasoning kind of questions
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Q1. About Test plan
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Reasoning verbal english paragraphs

Q1. Technical questions in about subject
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Q1. In hr round they ask general questions and salary package
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Q1. Python and selenium
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Q2. Jira and Git hub
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Q3. Manual testing questions
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