Google Interview Experience for TSS
Google Online Challenge -2021 for TSS position
No. of Question: 28
Time: 30 Minutes
Subject : Web Technology,Networking,UNIX/LINUX,Database,Code Fundamentals
Networking :
- DNS Port Number: 53
- CDN Full form: Content Delivery Network
- ECMP Protocol: equal-cost multipath protocol
- TCP and UDP differences
- Loss % MTR
Web Technologies:
- Center a paragraph using multiple web tech: HTML,CSS, javascript, jquery
- How a web server handle multiple request: Thread
- Content service by CDN which is not useful
- HTTP Status code for invalid credentials: 401
- HTTP Method to retrieve information of resource: GET
UNIX/LINUX
- What is Load Average: avg system load
- Permission to open a file, modify and save: read and write
- Analysis on output of free -m
- How to execute command as another user: sudo
- & operator is used for: to run command in background.
Code Fundamentals
- Worst Case complexity of Quick Sort : o(n2)
- Number of nodes at 3rd level of fully binary tree :
- Which data structure to use for FIFO Tickets distribution : Queue
- Pseudo Code Analysis
- Pseudo Code Analysis
- How to save password :
- Binary search is based on which strategy: Divide and Conquer
- How to detect loop in a linked list in optimal way: two pointer approach
Database
- How does Outer join works?
- SQL query to count records
- Transaction serial
- Big table query optimization
- If we insert 2 row in a table and snapshot isolation policy is applied what will happen
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