OSI Model in Networking in Hindi Urdu p1, Computer Networking tutorial 17 lectur. Developed by representatives of major computer and telecommunication companies beginning in 1983, OSI was originally intended to be a detailed specification of actual interfaces. Instead, the committee decided to establish a common reference model for which others could then develop detailed interfaces, which in turn could become standards. OSI was officially adopted as an international standard by the International Organization of Standards (ISO). The seven Open Systems Interconnection layers are: Layer 7: The application layer . This is the layer at which communication partners are identified (Is there someone to talk to?), network capacity is assessed (Will the network let me talk to them right now?), and that creates a thing to send or opens the thing received. Layer 6: The presentation layer. In this layer is usually part of an operating system (OS) and con
Question: 1 Refer to the exhibit. What is the effect of the configuration that is shown? A. It configures the virtual terminal lines with the password 030752180500. B. It configures a Cisco network device to use the SSH protocol on incoming communications via the virtual terminal ports. C. It allows seven failed login attempts before the VTY lines are temporarily shutdown. D. It configures SSH globally for all logins. E. It tells the router or switch to try to establish an SSh connection first and if that fails to use Telnet. Answer: B Explanation: Secure Shell (SSH) is a protocol which provides a secure remote access connection to network devices. Communication between the client and server is encrypted in both SSH version 1 and SSH version 2. If you want to prevent non-