$\backslash$table$[[$Layer$,$Protocols, Software, or Data,Network Devices$],[$Layer $4$: Transport Layer,,$],[$Layer $3$: Network Layer,,$],[$Layer $2$: Data Link Layer,,$],[$Layer $1$: Physical Layer,,$]]$

Which layer does the web conferencing session management occur?

which layer does syntax translation such as from Unicode to ASCII occur?

ich of the following protocols occur at the application layer $($Layer $7)?$

SMTP

DNS

RDP

SMB

SCP

$A$ P