What is tunnel mode?
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Which layer does error notification ? a. Physical b. Data Link c. Network d. Transport
Which layer does: flow control, windowing, error recovery ? a. data-link b. network c. transport d. session
Which datalink communication protocols provide connection between computers via Dial-Up telephone lines?
what is ping?
What is the difference between X.25 and Frame Relay explain it briefly
what is diffrent between ip4 and ip6.
what is mean by domain
In PPP, which protocol is used to establish and configure a connection ? a. CHAP b. PAP c. LCP d. TCP
Tell me what is the equivalent layer or layers of the tcp/ip application layer in terms of osi reference model?
Which file holds the netmask number ?
Define proxy servers?
what is dns? what is the use and advatages?