Explain any three error detection and correction techniques.
What is Semaphore? What is deadlock?
In which of the 7 layers of OSI will a service handling conversion of characters is from EBCDIC to ASCII be normally implemented ?
what is meantby Qos
what is WiFi?what is the latest version?
4 Answers BPO, Infosys, Serco,
Which layer is used to run services like FTP, Telnet etc.
WHICH OF THE FOLLOWIGN IS NOT AN IMPACT DEVICE.
Differentiate between ISO-OSI and TCP/IP reference model.
Can we extend the range of Wifi with the use of some softwares, if yes, which one? Or is there any hardware to do so, how much will it cost?
Explain what is meant by the term ‘integrated service digital network’. Give three reasons a company might choose an ISDN link in preference to a leased line.
Explain any three error detection and correction techniques.
What are the other names of IEEE 802.11 protocol or standard?
According to you which is the most important OSI layer?