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1.
Which two of the following are designated fields for MAC tunneling protocol (802.1ah)?
2.
Select the 3 best answers describing operation and configuration of Frame-Relay Inverse ARP.
3.
In the context of GMPLS, LMP stands for:
4.
GMPLS is based upon:
5.
The layer 2 protocol used by POS technology offers a standardized way for mapping IP packets into SONET/ SDH payloads. Select the correct sequence of POS operation:
1) Data is scrambled and synchronous mapping takes place by octet into the SONET/SDH frame.
2) Encapsulated via Point-to-Point Protocol (PPP) takes place framing information is added with High- level Data Link Control (HDLC).
3) Gaps between frames are filled with flags, set to value 7E.
4) Octet stuffing occurs if any flags or resultant escape characters (of value 7D) are found in the data.
5) Data is segmented into an IP datagram with its 20-byte IP header.
1) Data is scrambled and synchronous mapping takes place by octet into the SONET/SDH frame.
2) Encapsulated via Point-to-Point Protocol (PPP) takes place framing information is added with High- level Data Link Control (HDLC).
3) Gaps between frames are filled with flags, set to value 7E.
4) Octet stuffing occurs if any flags or resultant escape characters (of value 7D) are found in the data.
5) Data is segmented into an IP datagram with its 20-byte IP header.
6.
Which four of these key points should be considered during implementation of PPPoA architecture? (Choose four)
7.
In a cable HFC plant, what is a modulator?
8.
What is the effect of turning on all available downstream carrier tones in a DMT DSL transmission systems?
9.
During the modem boot process, how does the modem acquire the downstream channel?
10.
What is the effect of changing DMT interleaved delay from 3 milliseconds to 15 milliseconds?