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A Comparison of Multiprotocol Label Switching (MPLS) Traffic-Engineering Initiatives

Table of Contents:
Definition and Overview
1. Introduction
2. MPLS Overview
3. A Technical Discussion of MPLS Traffic-Engineering Initiatives
4. Conclusion
Self-Test
Glossary
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Self-Test
1. Historically, the Internet infrastructure and protocols were intended and optimized solely for data.
a. true
b. false
2. Acceptance of RSVP was universal.
a. true
b. false
3. To realize QoS, the architecture must be applied _______________.
a. end to end
b. at the edge
c. at select network devices
4. With MPLS, IP routers must interrogate each IP header before forwarding to the next hop.
a. true
b. false
5. How many ways are there to implement an LSP within an MPLS network?
a. one
b. two
c. three
d. four
6. Which of the following accurately describes strict ER–LSP?
a. adaptive
b. follows a list of nodes using the actual addresses of each node
c. allows groups of nodes to act as one of the abstract nodes to traverse
7. Which of the following is true of using TE–RSVP?
a. A full implementation of RSVP must be run on each LER or LSR.
b. TE–RSVP is a soft-state protocol.
c. An LER or LSR only requires that the extensions be able to support MPLS–explicit routing.
d. TE–RSVP does not use UDP.
8. These provide the ability to describe the actual setup path to interested parties.
a. record route objects
b. loop detectors
c. path preemptors
d. traffic parameters
9. CR–LDP is referred to as a ________________ protocol; TE–RSVP is referred to as a ________________ protocol.
a. soft-state; hard-state
b. soft-state; soft-state
c. hard-state; hard-state
d. hard-state; soft-state
10. CR–LDP and TE–RSVP both support the concept of loosely routed paths.
a. true
b. false

Glossary >>

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