Some notes on Software Testing

  • Certification body – Malaysia Software Testing Board (MSTB)
  • Type of certs
    • Certified Tester Foundation Level (CTFL)
    • Certified Tester Advanced Level (CTAL)
    • Certified Tester Expert Level (CTEL)
  • Methods – white/black box, gray box, agile, adhoc
  • Level and method of testing
    • Functional – unit -> integration -> system -> acceptance testing – more info
    • Non-functional – performance, security, usability, compatability
  • List of test management tools – source
    • qtest
    • zephyr
    • practitest

Server uptime by percentage. What does it mean?

Have you heard about 99.99% uptime? How much downtime is considered 99.99% uptime?

Below is the answer

  • 99.5% uptime = 216 minutes of downtime in a month
  • 99.8% uptime = 86.4 minutes of downtime in a month
  • 99.9% uptime = 43.2 minutes of downtime in a month
  • 99.99% uptime = 4.32 minutes of downtime in a month
  • 99.999% uptime = 0.432 minutes (26 seconds) in a month

Crucial criteria in business

  1. Uniqueness, USP. Why you or your product are different from the rest. Can be tangible or intangible. Either on product packaging, advertisement, after sales server etc.
  2. Channels to market and sell the products. As many and as effective possible
  3. Follower, fans, community, tribe or whatever you want to call it. The channel that we can thrown anything that they’ll support and buy
  4. Build trust, relationship, reliability for long term business. People buy not just because of good product, but also good company and good people.
  5. Use auto follow up tools so you can provide good advise, content to the potential buyers and get them ready to buy.
  6. Use auto payment and if possible delivery to ease overall transactions. Only if there is problem let the customer contact us