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Which of the following statements about Frame Relay are true?
DLCI in a frame is allowed to change as it traverses from the sending router to the receiving router.
DTE is typically located at the customer site.
DLCI in a frame must remain unchanged as it traverses from the sending router to the receiving router.
DTE is typically located at the edge of Frame Relay network.
DTE (Data Terminal Equipment) and DCE (Data Communications Equipment) are important Frame Relay concepts. The routers typically located at customer sites are considered DTE, and the Frame Relay switches typically located at the edge of provider network are considered DCE. A DTE connects to a DCE over point-to-point access links. DLCI (Data Link Connection Identifier) is a 10-bit value in the Frame Relay header. DLCI provides addressing in a Frame Relay network. DLCI does not have to stay unchanged as a frame traverse from the sending router to the receiving router. The DLCI value in a frame is usually changed by Frame Relay switches as the frame traverses the network.
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