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Thread: Networking Questions

  1. #41
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    Re: Networking Questions

    what is the difference between physical and logical address apart from that logical r computer generated and physical r by manufacturer...?


  2. #42
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    Smile Re: Networking Questions

    Physical address is your mac address.. it'll be given by manufacturer... its fixed.. you can change it using some software.. but after you restart your system the original mac will be set...
    to retrieve your MAC address(physical address) type
    getmac in dos-mode

    Logical address comes into picture when you talk about virtual memory...
    i.e a part of the secondary memory is used as ram... there we refer logical address rather physical..


  3. #43
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    Re: Networking Questions

    Quote Originally Posted by bashaece View Post
    what is main diffrence between DR and BDR

    Hi Bashaece

    DR( Designated Router) is elected when ever OSPF routers are connected to the same multi-access networks. It is done to reduce the number of adjancencies formed. If there is a change in topology the initial router will only updates the DR and BDR (Backup Designated Router). The DR in turn will update the remaining routers.

    If the DR is down, then the BDR will act as DR.

    If U have any issue, reply back


  4. #44
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    Re: Networking Questions

    The process of assigning the IP addresses by the DHCP server is also known as DORA (Discover, Offer, Request, and Acknowledgement).


  5. #45
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    Smile Re: Networking Questions

    Quote Originally Posted by Salil Grover View Post
    what is the difference between physical and logical address apart from that logical r computer generated and physical r by manufacturer...?
    logical address are that address that is asigned by user in the system like ip address

    physical address are thataddress that is physically assigned by manufecturer like mac address. it is also known as physical address, mac address, ethernet address, hardware address. it is 48 bit size in 12 hexadecimal code that is divided into 24 bit 24 bit two part. first 24 bit is used for vendor and second 24 bit for unique addess.
    mac address of any lan card manufectured by any company will not full match to other lan card manufectured by any company


  6. #46
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    Smile Re: Networking Questions

    Quote Originally Posted by mesharat View Post
    Hey... friends please answer this....

    What is the differnce between A "Switch" and a "Hub"...

    both can be used in LAN i think...
    Is there any speed issue is concerning with these two when we talk about Data transfer....?

    Please explain....
    switch:-
    1) switch works in the data link layer of osi model
    2) Switch unicast the data
    3) switch create mac table itself
    4) switch have memory
    5) switch contain one broadcast domain
    6) switch contain multiple collision domain
    7) switch contain all ports conect to the other ports with individual channel
    8) switch one time broadcast to take mac address from connected all system with ports


    HUB

    1) hub works in the physical layer of osi model
    2) hub broadcast the data
    3) hub contain nothing any table
    4) hub have not memory
    5) hub contain one broadcast domain
    6) hub contain one collision domain
    7) hub contain one port are connect to next port with singal channel means on single channel all port transfer data to other port


  7. #47
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    Re: Networking Questions

    What is diffrence betwn swithc & Hub


  8. #48
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    Re: Networking Questions

    What are public IP ranges


  9. #49
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    Re: Networking Questions

    ambot ninyo oi waz ko kasabot


  10. #50
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    Re: Networking Questions

    can any 1 explain active directory, forest, tree etc
    How wireless routers work


  11. #51
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    Re: Networking Questions

    Insimple words active directory is used to provide security to network,clients ,users etc.,


  12. #52
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    Re: Networking Questions

    Eigrp stands for enchanced interior gateway routing protocol


  13. #53
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    Re: Networking Questions

    The basic difference between Ftp and Udp is tat Ftp is a reliable protocol...On the other hand Udp and Ip are both unreliable.


  14. #54
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    Re: Networking Questions

    Yes, that is true and I am agree with you for the difference and it is simple. Thx


  15. #55

    Re: Networking Questions

    10) How to see the ISDN Layers are functional or not? Basic commands for ISDN to dial? Debugging of ISDN?


  16. #56

    Re: Networking Questions

    I have two IOS in flash?? How to boot the IOS with a specific flash image


  17. #57

    Re: Networking Questions

    In a router interface how do you know that a how much bandwidth is utilized. How to check congestion on an interface


  18. #58

    Re: Networking Questions

    Does router Serial Interface have a Mac address


  19. #59

    Re: Networking Questions

    DLCI significance local or remote? What do you mean local significance


  20. #60

    Re: Networking Questions

    I have RIP/static and EIGRP in the network. How do I integrate both


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