Switch Functionality: MAC Address Table: Switching Frames Structure: Assume for the moment that the MAC Address table contains no MAC addresses for the switch.

1. The Domain Name System (DNS) helps people find the right website addresses, like an online phone book. When you type names like facebook.com or espn.com, DNS makes sure you see the correct website. Web browsers use IP addresses to connect and communicate with these websites.DNS’s primary function is to map domain names into corresponding IP addresses so that web pages can be seen by browsers.  2. In the internet world, every device has a unique IP address. Users no longer need to memorize IP addresses like 193.167.11.11 (in IPv4) thanks to DNS servers. 3. Any Device that is online on internet, is

What is Network Initial Networks Background Network Connections 1. Wireless Networks A wireless network uses radio waves instead of cables. It’s much easier to set up since there’s no need to run wires everywhere. This type of network is now common in homes, schools, and offices because it allows devices to connect from anywhere within