What is cladding?

1 Answers   Elgi Equipments,

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not able to connect to SBI Visa payment server...Getting message like "Server not found"...."proxy protected by firewall"....how to resolve this issue?

1 Answers   TCS,

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hi,i want to do the certification course in ethical hacking& hacking....wats is the difference...can any one suggest the good institutes.....wat r the fee particulars.....wat job opportunitie will be there? thanks in advance

1 Answers  

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what is Voltage levels of rs232x?

0 Answers  

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Describe and distinguish between FDMA, TDMA, and CDMA.

0 Answers  

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List out the main responsibilities of the network layer.

0 Answers  

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what are the various network topologies ?

4 Answers  

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Checksum in IP packet is

3 Answers   Hughes,

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If we have a firewall in our network then how to connect a VPN server through internet and therefore which port to open in the firewal?

2 Answers  

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wht is DSL?

2 Answers  

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what is firewall?

10 Answers   Genpact,

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What is an Operating System?

2 Answers   Suzlon,

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