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