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Asynchronous Transfer Mode (ATM) Testing

Table of Contents:
Definition and Overview
1. ATM Layer Testing
2. Stages of Testing ATM Products
3. Signaling over ATM
4. Automated Testing
5. Testing Deployment of ATM Services
6. LANE over ATM
7. Summary
Self-Test
Glossary
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Self-Test
1. Conformance verification, interoperability testing, and performance benchmarking are the three primary testing phases required for complete evaluation of ATM products.
a. true
b. false
2. Cell delay can also be referred to as jitter.
a. true
b. false
3. One of the major ATM layer functions of an ATM switch is to perform ABR/UBR translation.
a. true
b. false
4. Testing of the ATM layer requires an ATM analyzer capable of generating ATM traffic and then monitoring the same traffic to make specific measurements.
a. true
b. false
5. The fact that ATM is still an emerging technology is one reason why it is a difficult technology to test.
a. true
b. false
6. ________________ testing must be performed to verify that new ATM equipment works according to a given standard or specification.
a. performance
b. conformance
c. interoperability
d. automated
7. _________________ testing verifies compatibility between two or more products in a network environment.
a. performance
b. conformance
c. interoperability
d. automated
8. _________________ testing provides a benchmark of product efficiency.
a. performance
b. conformance
c. interoperability
d. automated
9. This forum issues specifications in ATM testing.
a. Frame Relay Forum
b. ATM Forum
c. The Network Professional Association Forum
d. The One and Only Forum
10. The critical requirement for wide area deployment of ATM networking equipment is the ability to dynamically establish which of the following?
a. SVCs
b. ABR
c. PVCs
d. VBR
11. __________________ measurements establish the processing time required for signaling messages to be processed.
a. burst
b. throughput
c. limits
d. latency
12. What testing method will ensure that a product of the highest quality will be manufactured?
a. manual testing
b. automated testing
c. no testing
d. all of the above
13. Which of the following is a drawback to manual testing?
a. Repetitive, monotonous testing may lead engineers to make mistakes when performing certain tests.
b. A corporation may have to utilize its best resources on testing when time could be better spent on design and development of new products.
c. Increasing complexity of new standards greatly exceeds the capacity for manual testing.
d. all the above
14. In order to provide a communications link between two existing LAN systems, all of the native protocols must be _________________ before transmission over the ATM portion of the network.
a. formatted
b. placed in packets
c. encapsulated
d. placed in cells
15. The most effective tools available to technicians responsible for the deployment of ATM are ______________.
a. automated test suites
b. screw drivers
c. hammers
d. pliers
Glossary >>

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