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Checksum and CRC Another secure-computing need is to ensure that the data has not been corrupted during transmission or encryption. There are a couple of popular ways to do this: Checksum– Probably one of the oldest methods of ensuring that data is correct, checksums also provide a form of authentication because an invalid checksum suggests
Read MoreWhat is packet tracer ? For Students Welcome to the world of computer networking. Packet Tracer can be a fun, take-home, flexible piece of software to help with your CCNA studies, allowing you to experiment with network behavior, build models, and ask “what if” questions. We hope that Packet Tracer will be useful to you
Read Moreunistall software from cmd 1. Open a command prompt. 2. Input?WMIC?and press Return. You will see a prompt that looks like this: wmic:rootcli> 3. At the new prompt, execute the following command: product get name This will generate a list of installed applications. 4. At the prompt, execute the following command: product where name=”” call
Read MoreVLAN Trunking Protocol (VTP) Server Mode VLAN Trunking Protocol (VTP) server mode is the default VTP mode for all Catalyst switches. At least one server is required in a VTP domain to propagate VLAN information within the domain. We can create, add, or delete VLANs on a VTP domain VTP Server and change VLAN information
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