Huawei Technologies Internship interview questions

it is a interview with the team leader, there are some questions which is not easy to answer. It works well, I hope to answer the right one, but I do not know

There will be 3 rounds in total. The interview will be held with the HR for the first round where simple general questions will be asked. The second and third round interview involves some technical theory questions. Both of the interviews were held with the hiring manager.