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