Which layer 2 protocol encapsulation t

1、A transport layer protocol has severa

A transport layer protocol has several responsibilities, One is to create a process-to-process (program-to-program) communication; TCP uses port (1...

2、Which three Layer 2 encapsulation type

Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN (Choose three.)（）。AHDLCBEthernetCToken RingDPPPEFDDIFFrame Relay

3、avoid Layer 2 loops. Which two of the

avoid Layer 2 loops. Which two of the following are most probably the reasons for that preference?（）A Information about port roles is sent t...

4、Which layer 2 protoc

Which layer 2 protocol encapsulation type supports synchronous and asynchronous circuis and has built-insecurity mechanisms？（）AFrame RelayBHDLCCx.25DPPP

5、The TCP protocolis a （）layer protocol

The TCP protocolis a （）layer protocol.AphysicalBnetworkCtransportDapplication

6、A transport layer protocol has severa

A transport layer protocol has several responsibilities, One is to create a process-to-process (program-to-program) communication; TCP uses port (1...