Infrared wireless port when updating a pda from
In a WAN, transmission is between pairs of routers or between routers and hosts. The TCP/IP reference model originated from research in 1974 using the ARPANET (predecessor to the modern Internet).
TCP/IP does not have session or presentation layers, which are only really needed in applications with specific requirements, and the data link and physical layers are combined to form one layer.
Press the volume up key and the power button simultaneously for about 30 seconds or until the root menu appears.
Then choose the action you want to take from the root menu, in this case “Wipe data/factory reset”.
We can also consider two types of protocols, connection vs. Connection orrientated services are where a connection is created and then messages are received in the order they are sent, a real world analogy is the POTS.
More recent developments including research are scalable cluster-based computer (e.g.
Beowulf) and peer-to-peer networks (e.g., Bit Torrent, [email protected], etc). It is now feasible to design and implement computing systems with large numbers of networked computers.
Then, try turning your phone off completely and plugging it into the socket - bear in mind if the battery is completely drained, it might take up to 2 or 3 minutes to start charging.
Please note: a hard-reset will completely erase all the data, settings and content on your smartphone, returning it to the original factory settings.To reset your smartphone and erase all its content, first make sure your phone is connected to a power source.