2 types, Foreground and Background Thread.
http://www.c-sharpcorner.com/UploadFile/sujit9923/net-framework-features-from-net-2-0-to-4-5/
tow type - foreground back ground
Two types of Thread 1. Foreground Thread 2. Background Thead
Background, Foreground
Two types of thread
There are two types of Thread1-Foreground Thread 2-Background Thead
Ans: 1