A subnet mask is simply a number indicating how many bits of the IP address refer to the network, and how many refer to the hosts within that network. This means that the sizes of networks for given subnet masks are always powers of 2. A subnet mask of /24 (255.255.255.0), quite possibly the most common for small networks, allows for 254 hosts.

How to use the Type Mask Tool in Photoshop. By Craig Stewart 2014-08-21T12:21:35.232Z . Fresh from our YouTube channel, check out this simple Type Mask Tool tutorial for Photoshop. Shares. The Creative Bloq YouTube channel is full of useful tutorials, great interviews and fresh video content Default Subnet mask ????????? Class ???????. Class A ???? Subnet mask ???? 255.0.0.0 - ????????? 11111111.00000000.00000000.00000000. Class B ???? Subnet mask ???? 255.255.. - ????????? 11111111.11111111.00000000.00000000 Subnetting Tip Sheet v7 Courtesy of EasySubnetting.com Revised 11/06/2018 Steps To Subnetting 1. Determine Class 2. Determine Default Subnet Mask 3. Determine # of Subnets OR 4. Determine # of Hosts 5. Determine Borrowed Bits 6. Determine Custom Subnet Mask To Create Custom Subnet Mask Subnets: Start from LEFT to RIGHT Wonder How To is your guide to free how to videos on the Web. Search, Browse and Discover the best how to videos across the web using the largest how to video index on the web. Watch the best online video instructions, tutorials, & How-Tos for free. Have your own how to videos? Submit them to share with the world. My solution: 1. Create a group and put both shapes inside. 2. Select the group and hit the "Add Vector Mask" button down right in Photoshop (white circle in rectangle) 3. CTRL-click on the shape you want to substract, so you see the mask selection 4. Fill this mask selection with the black paint bucket. Learn how to use masks to hide and reveal portions of layers in Adobe Photoshop. With this valuable compositing technique, you can combine multiple photos into a single image or