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  1. greenhand

    is 255.255.255.40 valid?

    Hi, I had an telephone job interview and one of the question asked was how many hosts can have with a network mask of 255.255.255.40. is it a valid mask? as far as I know, there should not be zero in the middle of the 1's ..? thanks a lot for help
  2. greenhand

    any one has boson netsim 5.12 or 5.19?

    I'm studying for my ccna exam and I need a simulator to do the practise questions. I've tried the newest boson 5.25 and 5.27 avialable for download on the web, but somehow my computer crashes whenever starts the simulator. some one told me that the older version 5.19 or 5.12 may work better. I...
  3. greenhand

    how to configure direct access to shared printer

    I'm configuring printer server on a windows 2000 server. when I try to add a network printer from the client computer, it always prompt for username and password in order to connect to the server. how can I configure the 2000 printer server to allow logged on direct access to the shared printer...
  4. greenhand

    serial interface down

    Hi, I'm study for the CCNA exam and I bought a used 2503 router for some practise. Both serial interface are down and I tried to bring them up using "Router(config-if)# no shutdown" command, but it doesnt'n work. could any one give me a hint on this ? I don't have a T1 line at...

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