Good technical interview:

The interviewer joined promptly and was friendly

Recruiter scheduled interview within a week of calling

They said for cybersecurity role hiring is slow

but, schedule interview for senior design engineer (firmware development)

1st round technical interview

The remaining rounds are awaited

Questions:

1. What is the output of the below program char h[5] = {​​1, 2, 3, 4, 5}​​; main(){​​ struct ad {​​ unsigned short a; unsigned short b; }​​; struct ad *it = (struct ad *)h; printf("%d ", it->a); printf("%d ", it->b); }​​

2. implement size of operator; #define sizeof(x) ( ((&x)++ -(&x)) )

3.implement fibonacci to print as per input values void fibonacci(int max) { int arr[max+1] = {1,1}; int i = 2; while(i > max) { arr[i] = arr[i-2] + arr[i-1]; i++; } i = 0; while(i<max) { printf("%d ",arr[i]); } printf("\n");

}

1. what is cache hit ratio

2. what are threads, binary semaphore vs mutex explain with a scenario

3. what is DMA

4. TLS handshake

5. What is Virtual Memory and how it is used