0 votes 0 votes Caption Computer Networks test-series + – Vaishali Trivedi asked Jan 1, 2017 Vaishali Trivedi 275 views answer comment Share Follow See 1 comment See all 1 1 comment reply Vaishali Trivedi commented Jan 1, 2017 reply Follow Share how we can check mask is not given ? 0 votes 0 votes Please log in or register to add a comment.