Identify two characteristics of a data packet.

Outline one reason for the use of standards in the construction of networks.

Identify one hardware component of the WLAN, other than computers.

A WLAN will introduce additional security issues for the company.

Discuss any two of these issues and the ways in which the company might resolve them.

Outline one reason why protocols are used in communications between computers.

Explain why protocols are used in network communications.

Identify two differences between a wide area network (WAN) and a local area network (LAN).

Outline the reason for compression when transmitting data.

Outline one advantage to the company of implementing this change.

Identify two advantages to the students of the new wireless network.

Identify two technologies the school would require to provide a VPN.

With reference to Figure 1, explain how data is transferred by packet switching.

Describe how data is transmitted by packet switching.

Outline what is meant by the term computer network.

Identify one hardware security measure that will ensure that confidential data from the Head Office cannot be accessed.

Identify one network security measure.

Outline why protocols are necessary.

Outline two advantages of a school using a computer network.

Evaluate the use of trusted media access control (MAC) addresses as one method of network security.

Outline two measures that the school could take to safeguard its data from unlawful access via the internet.

Identify two characteristics of a personal area network (PAN).

Identify one software security measure that will ensure that confidential data from the Head Office cannot be accessed.

Describe one problem resulting from low bandwidth in a computer network.

Describe the purpose of the following hardware component of a network: Router

Outline what is meant by the term computer network.

Outline how a virtual private network (VPN) will allow employees who are in Europe to communicate with the Head Office in Asia.

Outline two reasons why there might be a reduction in data transmission speed at certain times.

The company is considering expanding their network to allow employees to connect from anywhere in the world. The expanded network would need to provide security and allow the employees full functionality of the internal network.

Explain how setting up a virtual private network (VPN) would provide a suitable solution.

Identify two reasons why fibre optic cable would be preferred over wireless connectivity.

Outline one disadvantage to the company of implementing this change.

Outline two disadvantages of this WLAN.

Identify three ways in which the network administrator can reduce the risk of unauthorized access to confidential data.

Describe one method of security that may be used on this wireless network.

Describe two hardware components the school will need to implement the wireless network.

Define the term data encryption.

Explain why the speed of data transmission on the wireless network in the training room may vary.

Describe the purpose of the following hardware component of a network: Network interface card (NIC)

Define the term data packet.

Outline two methods the school could employ to prevent network data from being accessed over their wireless system.

Explain one benefit to the staff of using a VPN to remotely access the school network.