Computer Networking
Error control is needed at the transport layer because of potential errors occurring _____.

from packet losses.
from out-of-sequence delivery
from transmission line noise
in routers

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Computer Networking
You need to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface of the router for this connection?

Router(config-if)# encapsulation frame-relay ietf
Router(config-if)# encapsulation frame-relay cisco
Router(config-if)# encapsulation frame-relay q933a
Router(config-if)# encapsulation frame-relay ansi

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