1 doctor agreed: Well this is a hard : Question. Left eye vision problems - see an eye doctor imeditely vision loss is serious pain in the left neck is not usually related to your brain. Or eyes weakness and disiness coul dbe from a stroke or possible heart disease. You need to see a doctor. If progressive go to the emergency room you coul dbe having a stroke.
The Time Server will synchronize its time with the Internet Time Servers. Other systems on the network will then synchronize with the company Time Server over the LAN. NTP uses User Datagram Protocol (UDP) on Port 123 to synchronize time. UTC Clocks are referenced by Stratum. Basically, each stratum is a level of accuracy where the top level, or most accurate systems, is numbered as Stratum 0 (Reference Clocks).
The Well-Known Ports are assigned by the IANA. Ports are used in TCP or UDP communications to name the ends of logical connections that transfer data. For the purpose of providing services to unknown clients, ports were created. Table C.1 specifies the port used by the server process as its contact port. The contact port is sometimes called a Well-Known Port. The assigned ports use a small portion of the possible port numbers. For many years the assigned ports were in the range 0-255. The range for assigned ports managed by the IANA has been expanded to the range 0-1023.