Technical Interview Questions

Faraz A. - "Blocking Queue's with multiple threads enqueuing and dequeuing calls. Follow-ups included refactoring to add a finite list of priorities for some types of calls"See full answer

Ali H. - "CIDR (Classless Inter-Domain Routing) -- also known as supernetting -- is a method of assigning Internet Protocol (IP) addresses that improves the efficiency of address distribution and replaces the previous system based on Class A, Class B and Class C networks."See full answer

Erjan G. - "i failed to answer, did not know"See full answer

Ugo C. - "function constructTree(n, matrix) { let parent = []; let child = []; let root = null; for (let i = 0; i < n; i++) { for (let j = 0; j < n; j++) { if (matrixi === 1) { parent.push(i); child.push(j); } } } for (let i = 0; i < n; i++) { if (parent.indexOf(i) === -1) { root = i; } } let node = new Node(root); for (let i = 0; i < n; i++) { if (i !== root) { constructTreeUtil(node, parent[i], child[i]); } } return node; }"See full answer

Anonymous Emu - "let str = 'this is a test of programs'; let obj={}; for (let s of str ) obj[s]?(obj[s]=obj[s]+1):(obj[s]=1) console.log(JSON.stringify(obj))"See full answer

Anonymous Muskox - "Web server request HTTPS://WWW.GOOGLE.COM (HTTPS)Protocol -> HTTPS/HTTP (HTTPS more secured, encrypted data send by browser) WWW. that is just a term (GOOGLE.COM)DNS -> Every website that is hosted on the internet resides in some data server having an IP address. Due to the complexity of the IP address, ISP mapped the IP address to some readable or English term that is called DNS. Browser does DNS lookup. The FIrst bRowser sees the DNS mapping in the browser cache, if not found then it looks"See full answer

Exponent - "This is a Technical question. It tests your ability to understand high level technical concepts. Even though your job won't have any coding involved, you'll still need to understand these concepts. Being able to cover all these topics with clarity communicates confidence in your interviewer. Unfortunately, there's no formula for technical questions, but some general tips are: Use analogies when you can Break your solution into clear, bite-size steps Don't be afraid to use examples to b"See full answer

Kwaku K. - "Use a min-heap or sort the array, either method works"See full answer