EBE: Network testing and fault-finding
This PTT online course explains the benefits and methods of following a structured approach to fault-finding, and describes the role of the various tests employed on Ethernet/IP networks and their use in fault finding and measuring network performance.
Level:
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Single user:
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Target audience:
This PTT online course is aimed at those responsible for the installation and maintenance of local and wide area networks.
Course prerequisites:
An understanding of the operation of, and protocols employed by, Ethernet local area networks. It is recommended that the PTT course "Ethernet networks" is studied before attempting this course.
Course objectives:
By the end of this course you will be able to:
- describe the role of testing in installing, commissioning and fault-finding a network.
- define the various key performance indicators that together express the performance of a communications network.
- describe the role of a service level agreement with reference to quality of service indicators.
- describe the causes of frame loss, delay and jitter and their effects on multimedia services such as video streaming, telephony and video conferencing.
- describe the various factors that influence the achievable data transfer rate over a network.
- explain the effect of the TCP protocol on throughput with reference to the TCP window size.
- describe the benefits of a structured approach to fault-finding and the roles of information gathering, analysis, and testing hypotheses.
- explain that testing at the different protocol layers in a certain sequence can assist in isolating a fault, giving examples of such an approach.
- describe the role of various software utilities in taking a structured approach to fault-finding, giving examples of their use.
- describe the use of protocol analysers to monitor and analyse network traffic.
- describe and compare the role of the various standards applicable to the measurement of network performance.
- describe the use of specialised test equipment to assess the performance of, and find faults in, a network.
Number of modules: 4
Approximate study time: 5 hours
Download and view the course specification in Adobe PDF format
Delivery platform requirements:
To access the course, a computer running a browser such as Google Chrome, Safari etc is required. The computer should have Internet access. A screen resolution of at least 1024x768 is necessary.
