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  • TCP/IP- what is it exactly?

    - by OckhamsRazor
    I know that this question sounds stupid, but over all these years, I still have difficulty explaining TCP/IP to people. I don't completely get it myself, and even after reading up on it, the distinction is not very clear. What I get so far is that IP deals with networks while TCP involves delivery of messages over that network. I'm not totally convinced though. Also, they reside on different layers of the Internet architecture. Could anyone disambiguate this distinction using a simple analogy or examples? Also, I read this somewhere The difference is that TCP is responsible for the data delivery of a packet and IP is responsible for the logical addressing. In other words, IP obtains the address and TCP guarantees delivery of data to that address. Is this correct? Thanks for helping me out. One last thing- Where does the ethernet come in all of this?

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  • MySQL Error for Mac OSx

    - by OckhamsRazor
    I'm trying to run the mysql command on my mac osx but keep getting the error: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2) I did try researching this extensively but could'nt find a suitable solution. Most of the solutions refer to /etc/my.cnf but I don't seem to have this configuration file in the first place. I'm pretty much stuck and have been for quite a while. Any help is greatly appreciated.

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  • simple process rollback question

    - by OckhamsRazor
    hi folks! while revising for an exam, i came across this simple question asking about rollbacks in processes. i understand how rollbacks occur, but i need some validation on my answer. The question: my confusion results from the fact that there is interprocess communication between the processes. does that change anything in terms of where to rollback? my answer would be R13, R23, R32 and R43. any help is greatly appreciated! thanks!

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