If we want to build LAN that use Ethernet technology, we need hub or switch to connect the many device such computer, printer, server and many more. When we use hub or switch? The basic is we need to know the differences between hub vs switch. Hub will use in classic Ethernet technology to interconnect [...]
Sometimes we have a picture or images with small size, and we want to enlarge it. First think we can do it with Microsoft Paint, and just resize images to larger size. But the images become blur and losing quality. Don’t be panic, we will tell you the easiest way to do that.
Historically, RFC1700 grouped the unicast ranges into specific sizes called class A, class B, and class C addresses. It also defined class D (multicast) and class E (experimental) addresses, as previously presented. The unicast address classes A, B, and C defined specifically-sized networks as well as specific address blocks for these networks, as shown in [...]