How many standard layers are in OSI model?
What does OSI stands for?
Which protocol used to be first established the connection before any data is transmitted?
What is the purpose of Presentation Layer?
If a physical link is down which is the highest layers is to check this issue?
DCCP is a protocol of layer?
PPP is a protocol of layer?
You are IT support engineer, your IT manger wants you to Telnet R7 which is in LA, Which is the highest layer used to get access to LA’s router from Telnet?
What does UDP provide in OSI model?
Network Layer is in OSI’s:
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