What does OSI stands for?
What does UDP provide in OSI model?
DCCP is a protocol of layer?
Network Layer is in OSI’s:
PPP is a protocol of layer?
How many standard layers are in OSI model?
If a physical link is down which is the highest layers is to check this issue?
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?
Which protocol used to be first established the connection before any data is transmitted?
What is the purpose of Presentation Layer?
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