wide area network issues 2

Question 1

PPP

Answer 1

point-to-point protocol. layer 2 protocol on dedicated leased lines. simultaneously transmit multiple layer 3 protocols, each one runs an instance of PPP’s link control protocol (LCP)

Question 2

LCP 4 primary features

Answer 2

multilink interface, looped link detection, error detection, authentication

Question 3

PAP

Answer 3

password authentication protocol

Question 4

CHAP

Answer 4

challenge-handshake authentication protocol

Question 5

PPPoE

Answer 5

PPP over Ethernet

Question 6

DSL

Answer 6

digital subscriber line. Common in many SOHO locations. Provides high-speed data transmission over existing telephone wiring.

Question 7

SONET

Answer 7

synchronous optical network. layer 1 tech that uses fiber optics as media. Topology can be bus or ring.

Question 8

satellite

Answer 8

Used in remote or rural locations where DSL/modem are not available. weather can interfere.

Question 9

MPLS

Answer 9

multiprotocol label switching. WAN tech used by service providers. Supports multiple protocols on the same network.