Chapter Questions
Discuss two benefits obtained from the use of the relatively short fixed sized cell used in ATM.
When referring to ATM, what does the term scalability refer to?
What feature enables ATM to adjust network performance during unexpected congestion?
What is the function of the ATM Adaptation Layer?
Why is the ATM Adaptation Layer not required at an ATM switch?
. What is the function of the ATM Layer?
Where in the ATM network are idle or empty cells generated?
What is the advantage associated with the absence of a specific Physical Layer being defined in the ATM protocol stack?
What are some of the functions of an ATM network interface card?
What are the two key functions performed by a LAN switch that has an ATM NIC?
Discuss the differences between a LAN switch and an ATM switch.
Discuss the difference between the user-to-network interface and the network-to-node interface.
What is the purpose of a virtual path?
What is the purpose of the cell loss priority field in the ATM cell header?
What is the purpose of the header error check field in the ATM cell header?
What are the two types of connections supported by ATM?
What is the difference between a VP switch and a VC switch with respect to their operating rate?
Describe two uses for VPNs.
What are the two major reasons behind organizations considering the use of the Internet to interconnect geographically separated LANs?
Describe two problem areas associated with the use of the Internet to interconnect private networks.