a. When a new software is implemented, various costs are incurred. Identify FIVE of such costs. (5 Marks)

b. Identify FOUR types of firewalls. (4 Marks)

c. State FIVE common network issues an organisation may encounter. (5 Marks)

d. If email is used inappropriately, it can hinder productivity. Identify SIX ways email inbox can be better managed. (6 Marks)

(Total 20 Marks)

a. Costs associated with implementing new software

  1. Interface build and modifications
  2. Vendor implementation costs
  3. Training costs
  4. Software maintenance
  5. Software acquisition costs
  6. Hosting costs
  7. Hardware costs
  8. Wiring and network installation costs
  9. Costs of other new equipment
  10. Data transmission cost/transmission charges
  11. Cost of maintaining backup systems
  12. Rental/lease cost

b. Types of firewall are:

  1. Packet filtering firewall
  2. Circuit-level gateways
  3. Stateful inspection firewall
  4. Application-level gateway (aka proxy firewalls)
  5. Next-generation firewall (NGFW)
  6. Software firewalls
  7. Hardware firewalls
  8. Cloud firewalls

c. Network Issues

  1. Wireless network shows signal but won’t connect
  2. Network outages and inaccessible files
  3. IP conflicts/duplicate IP address
  4. Slow application response
  5. Poor VOIP quality
  6. DNS problems
  7. Unable to connect to local file or printer share
  8. Local network is unable to connect to the internet
  9. Slow internet performance
  10. Attack by viruses on computer network from services like email attachments, malicious software, social media, etc.
  11. IP address exhaustion due to no more IP addresses available

d. Ways email inbox can be better managed

  1. Set aside time to read and respond to email
  2. Take action immediately
  3. Organize an inbox with labels, folders, and categories
  4. Unsubscribe from unwanted promotional emails
  5. Use more than one email address
  6. Create templates or canned responses
  7. Set up a signature on your email
  8. Set up an out-of-office message when you will be out of the office and unreachable via email for some time
  9. Disallow junk mail languishing in your inbox
  10. Keep only email requiring immediate action in your inbox
  11. Turn off email notifications
  12. Setting of inbox rules and filters