Answer: b) R1 will connect to a physical Ethernet link, with the other end of the cable connected to a device at the WAN service provider point of presence.
.d) R1 will forward data link frames to R2 using an Ethernet header/trailer.
Explanation:
Here we have to understand what is MLPS. MLPS is a protocol which identifies the shortest route for the transfer of messages between routers instead of the longest route.
Here we are given a WAN which is a wide area network. Using layer 2 Ethernet service the frames are transmitted across the routers within the WAN.
Option A is incorrect as as connecting the other end of the cable to the R2 would reduce the functionality of the WAN. Option C is incorrect as HDLC header trailer has no effect.
Option B and D are correct as Ethernet header/ trailer has the same size every frame and to maintain the functionality of the WAN one end must be connected to point of presence(PoP).
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The answer is (C) IT careers are found in a wide variety of industries.
Nowadays, all types of industries in various different parts of the world will have an IT (information technology) department because it is needed, since most businesses operate using some form of IT equipment, which, most commonly found is a computer. It is a particularly lucrative field because of the wide array of job availability.
It is C: COMMAS!!!
i hope i helped you!
