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ccna 200 301 booksmart filming.If you are sending large files to someone else, or someone else is sending large files to you, FTP would be a good choice. For those small files (less than 5MB), you can just email them, if you have access to internet bandwidth through a DSL (digital subscriber line) or cable modem. However, many ISPs (carriers) do not allow files larger than 5MB or 10MB to be sent by email, so if you do need to send and receive large files (and who doesn't these days?), you should consider using FTP. To use FTP, you need to set up an FTP server on the Internet so that you can share files.In addition, FTP is faster than email, which is another reason to use FTP to send or receive large files. Also, since FTP uses the TCP protocol, it is connection-oriented, and when a session is disconnected, FTP can usually restart the transfer from the point where it was interrupted. On the point of disconnected retransmissions, you can try it on your email client!Network File System The Network File System (NFS) is the star of the file sharing protocol. It can be used on two different types of filesystems to interoperate with each other. It works like this: it is assumed that the NFS server software runs on a Windows server and the NFS client software runs on a Unix host. NFS enables a portion of the memory (RAM) in the Windows server to be used to store Unix files, thus enabling Unix users to use those files. Even though the Windows file system and the Unix file system are not the same - case sensitivity, filename length, security settings, and so on are different - the end result is that both Windows users and Unix users can use their respective file systems to access the same files in their respective conventional ways.Simple Mail Transfer ProtocolThe Simple Mail Transfer Protocol (SMTP) uses queuing to send email to meet the needs of people using email for communication. Once a message is sent to a destination, the message is written to a device - usually a disk. The server software located at the destination device periodically checks the queue for new messages. When it detects new messages, it sends them to the destination of the message. SMTP is used to send email, POP3 or IMAP is used to receive email.Post Office ProtocolPost Office Protocol (POP) provides us with the facility to store inbound emails, the latest version is called POP3 (sound familiar?). Basically this protocol works like this: when a client device connects to a POP3 server, this client device can download the messages sent to it. You can't selectively download messages, but after a successful download, the client/server interaction is complete and you can delete the downloaded messages locally at your leisure. Later I will introduce a newer standard: IMAP, which is gradually replacing POP3oThe Simple Network Management Protocol (SNMP) is responsible for collecting and modifying important network information. SNMP does this by taking turns querying devices on the network at fixed or random intervals, ordering them to disclose specific information. When all is well, SNMP receives a report called a wire jam, which defines the status of a healthy network. This protocol can also be used as a watchdog for the network, which can quickly inform network administrators of network emergencies. This network watchdog is known as /e, and when something happens to the network, the agent sends an alert message called a Trap to the management workstation. Information such as CPU, interface utilization, line status (Up/Down), temperature statistics, and so on are stored in the management workstation.SNMP Versions 1, 2, and 3