Topic D

ATM TECHNOLOGY QUESTIONS

ATM Adaptation layers
1-1 compare AAL0-AAL5 1-2 How does AAL5 work?
Questions about ATM cells
2-1 Are ATM cells delivered in order? 2-2 Why 53 bytes? 2-3 EFCI bit?
Traffic shaping
3-1 Overview 3-2 What is CLP=0+1 all about?
Questions about ATM protocols/standards
4-1 Current events 4-2 Relationship diagram 4-3 differences between Q.93B, Q.931, and Q.2931?
4-4 B-ISDN and B-ICI 4-5 Switched VPC 4-6 M4 ATM Mgmt Interface
Questions about VPI,VCI, VPCI.
5-1 What is VPI and VCI? 5-2 Why both VPI *and* VCI? 5-3 Questions about VPI/VCI assignment?
5-4 VP and VC unidirectional? 5-5 VPCI vs VPI
Questions about ATM efficiency
11-1 What is Goodput? 11-2 Partial/Early Packet Discard (PPD/EPD) 11-3 PPD/EPD effects on flow shaping
11-4 Transporting IP
Emulation and interoperability
12-1 Why LAN Emulation (LANE). 12-2 How does LANE work 12-3 What is DXI?
12-4 Frame Relay mapping 12-5 What is MPOA? 12-6 Classsical IP over ATM
12-7 What is a LIS
ATM signalling and SVC
14-1 compare PVC, Soft PVC, and SVC? 14-2 Connection setup in the ATM layer 14-3 point-point SVC setup trace
14-4 point-multipoint SVC setup trace 14-5 What is proxy signalling?
ATM Physical Level Questions.
15-1 difference between SONET and SDH? 15-2 boundaries between cells
ATM service types?
16-1 compare CBR, VBR, ABR, UBR? 16-2 More info on ABR? 16-3 What are DBR and SBR?
Questions about QOS class.
22-1 UNI 3.1 interop with ITU-T 22-2 Number of classes 22-3 class and PCR only specified
22-4 CBR/VBR/ABR fairness
Questions about ATM addressing schemes

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Last Changed 24 November 2002