In Microsoft SQL, which kind of transaction is allowed to occur through a shared lock?

In Microsoft SQL, which kind of transaction is allowed to occur through a shared lock?

• Delete
• Update
• Read
• Insert 

EXPLANATION

 Shared (S) locks: It permits a transaction to read a row. If transaction of one session has got this lock no transaction of other session can apply X lock on the same row. We can also say that no transaction of some other session can update that row.