Subject - Network and Information Security A) List the major steps (the procedur
ID: 3911331 • Letter: S
Question
Subject - Network and Information Security
A) List the major steps (the procedure) when a computer boots?
B)The difference between Intranet and Extranet. And, give an example of each?
C)What are the disadvantages of using peer-to-peer networks?
D) List the TCP/IP Layers of the Network Communication Process and the function of each layer?
E) In TCP/IP systems, how many different type of addresses used to identify devices on the network? What is the reason?
F)In data communication , what is the difference between Packet and the Frame?
Explanation / Answer
1. Steps of computer boot sequence:
After staring, POST(Power On Self Test) and is initiated. This test checks the all the hardware including ram and memory are functioning properly.
Boot device is found, the I/O system provides the location of BIOS present in the ROM.
From the BIOS, many specific instruction Ae executed which loads the operating system.
After all these steps are executed properly and OS is loaded in the RAM. The boot sequence hands over the control to the OS, which then executed any pre configured startup routine.
2. Intranet
It is a private network specific to an organisation in who content is accessible by only the member of the organisation. Example: TCS uses internal network for business operations.
Extranet
It is a private network that uses public network to share information with suppliers and vendors.
Example: HP and Intel uses extranet for business operations.