Applied via external requiter for the position First there was a written test that included 8 questions: 1. Difference between TCP and UDP, and what application using each. 2. DNS, what used for? 3. Differences between client socket and server socket. 4. Differences between PUT and GET in HTTP protocol. write some additional commands in HTTP protocol. 5. browser sends 'www.google.ca' to a server. Describe on the socket level what each side do. 6. Design parking netter system entities using UML and the relationships between entities. 7. the following 2 questions using Perl or Python. If not, use different language. A. Open a file that has these lines: 1key10 2key30 4key20 3key20 1key20 4key10 2key30 and print the sum of each key as follows: 1key30 2key60 4key30 3key20 B. open a file that contain these lines: line1 line2 line3 line4 line5 line6 and print the results as follows: line1;line2; line3;line4; line5;line6 pay attention that there is no semicolon for the last line I've made the 8 questions test; answered 6 questions good and another 2 Pyton/Perl questions, partially. =============================================== Two weeks later got a technical Interview with 2 software engineers. to define a data structure and implement a binary Parse Tree function to resolve mathematical expression in C or C++: Another question is for Linux OS: Linux mount filesystem at boot: the rest was about my expectation etc.,