Past Exam Example Flashcards
In the context of network security, what does the term Denial of Service mean.
Inc DDOS.
Flooding a server with illegitimate packets, with the intention of making the server unavailable. Thus, users can no longer access the server.
DDOS - mutliple locations pinging at the same time.
What is spot purchasing & when would you use it?
the purchase of goods and services as they are needed, usually at market price.
You would buy with spot purchasing when there are unforeseen circumstances & you need supply quickly (unpredicted need).
what is contract purchasing & when would you use it?
involves long-term contracts, where buyers negotiate ahead of time with their supplier.
An example may be a car manufacturer may enter into long-term contracts with suppliers for raw materials such as steel, aluminium, and plastics.
5 statements about a firewall
- Only filters/reads the header of the packet
- Restricts entry & exit of packets.
- Firewall must be on the border of the internal & external access points.
- Can’t protect against viruses.
- Multiple entry/exit points require multiple firewalls.
- Traffic that doesn’t go through the firewall isn’t checked.
What 5 steps would you take as an ethical website business owner to ensure you are running and maintaining an ethical business?
- Data collection: If you are collecting customer data, inform them what you are collecting, where it will be stored & the methods you will use to collect it.
- Vet suppliers: gather as much info as you can about the supplier
- Product pricing: is it a reasonable, comparable price?
- Honouring your return policy
- Not misleading clients with products
Explain one role of a clearinghouse in an online credit card transaction?
Intermediary for digital payments with debit or credit card payments. Removes the burden of checking / authenticating card details off of the merchant bank. It is also the holding place of temporary funds, before the actual exchange takes place.
