Tell about your experience working with Linux.
Middle
269
C/C++
1780
188
What is the difference between a switch and a router?
Middle
219
What is WLAN?
Middle
188
What is NAT?
Middle
167
Tell us about your work experience and your last major project (document conversion service in OnlyOffice)
Middle
160
Which is faster — TCP or UDP, and why? (a classic networking question)
Middle
159
Why are you looking for a new job and what motivates you at work?
Middle
153
What are your salary expectations?
Middle
149
What does a subnet mask do?
Middle
148
Name the levels of the OSI model.
Middle
144
What is a port (in network interaction)?
Middle
142
Do you have experience working with C++20?
Middle
141
What do you know about our company and the team we are hiring for?
Middle
134
Name the memory regions of a process and explain how initialized and uninitialized global data affect the size of the executable.
Middle+
72
Why does searching for an element by value in std::set have a complexity of O(log n)?
Middle+
52
struct Threadsafe { Threadsafe() = default; Threadsafe(Threadsafe other){ this->mutex = other.mutex; } std::mutex mutex; A a; B b; // ... };
Middle+
49
What smart pointers in C++ do you know? Compare std::shared_ptr created via new and std::make_shared: advantages, disadvantages, and exception safety.
Middle+
49
What is the difference between malloc/free and new/delete? What does operator new do and how to create an object in pre-allocated memory?
Middle+
48
What are the requirements for element types to ensure that std::vector uses move instead of copy during reallocation? Why is noexcept important for move constructors?
Middle+
45
At what level did you work with Linux: kernel or user space?
Middle+
39