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Resilient Packet Ring Networks
Sponsored by:
Cisco Systems

Table of Contents:
Definition and Overview
1. Introduction
2. RPR Operation
3. Comparing RPR to Other Solutions
4. Using RPR with SONET and Ethernet
5. RPR Benefits
6. RPR Market Development
7. Standardization
8. The Future of RPR
Self-Test
Glossary
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Self-Test
1. Resilient packet rings are transported over a ________ topology.
a. Dual fiber
b. Dual copper
c. Wireless
d. Laser
2. Resilient packet rings carry multiple services except _________.
a. Internet Data
b. Voice over IP
c. Native TDM
d. Packetized TDM
3. Jitter- and latency-sensitive traffic uses the _______ of RPRs.
a. Normal service
b. Bandwidth-control information
c. High-priority service
d. Control information
4. The IEEE standard for RPRs is ________.
a. 802.1
b. 802.3
c. 802.16
d. 802.17
5. When using the same physical layer, RPR can be transported within existing _______ networks.
a. SONET/SDH
b. ATM
c. Token-ring
d. Ethernet
6. A RPR node finds the other nodes on the ring via ________.
a. Operator provisioning
b. Automatic topology discovery
c. Master topology list distribution
d. Broadcast
7. A single fault on a RPR ring will be protected within _______.
a. 10 seconds
b. 100 ms
c. 50 us
d. 50 ms
8. To send a multicast packet, a node will send _______.
a. One packet to one of the rings
b. One packet for every node on the ring
c. One packet for each node it wants to receive it
d. One packet on each ring
9. The bandwidth control algorithm will___________.
a. Decide how much high-priority data a node can send
b. Decide how much low-priority data a node can send
c. Make sure the ring is using all the available bandwidth
d. Decide who has the token to send traffic
10. Resilient packet rings are not applicable for _________.
a. Metro networks (MANs)
b. Intra–POP networks
c. Cable MSO networks
d. None of the above

Glossary >>

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