Skillset can help you prepare! Sign up for your free Skillset account and take the first steps towards your certification.
WAN specifications operate at the lower layer of the OSI model. Which of the following two protocols/technologies are correctly matched with each OSI layer? (Choose two)
Physical Layer - TCP/UDP
Network Layer - HDLC
Data Link Layer - PPP
Data Link Layer - V.38
Physical Layer - EIA/TIA-232
Point-to-Point Protocol is a WAN encapsulation protocol that operates at the OSI layer 2 or Data-Link Layer. The EIA/TIA-232 cabling standard for WAN connections operates at the OSI layer 1 or Physical Layer. The X.25 PLP operates at the Network Layer or Layer 3 of the OSI model.
Study thousands of practice questions that organized by skills and ranked by difficulty.
Create a tailored training plan based on the knowledge you already possess.
Know when you’re ready for the high-stakes exam. Have the confidence that you will pass on your first attempt.