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(a) Briefly describe the flowing terms in relation to computer networking i. Intranet. . ii. Extranet, iii. Global system for mobile (GSM) communication. iv. Bluetooth. (b) Explain the role of...

      

(a) Briefly describe the flowing terms in relation to computer networking
i. Intranet. .
ii. Extranet,
iii. Global system for mobile (GSM) communication.
iv. Bluetooth.
(b) Explain the role of interface message processor (IMP) in a computer network.

  

Answers


Kavungya
a) (i) Intranets
a) Intranets are in-house, tailor-made networks for use within the organization and provide
limited access (if any) to outside services and also limit the external traffic (if any) into the in
tran etc An intranet might have access to the Internet but there will be no access from the
Internet to the organization’s intranet
The main elements of an Intranet are:
• Intranet server hardware
• Intranet server software
• TCP/IP stack software on the clients and servers
• WWW browsers
• A firewall
(ii) Extranets
Extranets (external Intranets) allow two or more companies to share parts of their Intranets
related to joint projects. For example two companies may be working on a common project, an
Extranet would allow them to share files related with the project.
- Extranets allow other organizations, such as suppliers, limited access to the
organization’s network.
- The purpose of the extranet is to increase efficiency within the business and to reduce
costs
(iii) Global system for mobile( GSM) communication
Global system for mobile communication (GSM) is a wide area wireless communications system
that uses digital radio transmission to provide voice, data, and multimedia communication
services. A GSM system coordinates the communication between a mobile telephones (mobile
stations), base stations (cell sites), and switching systems.
(iv) Bluetooth
Bluetooth technology is a wireless protocol that connects electronic devices while they are close
to each another.
Bluetooth technology was designed primarily to support simple wireless networking of personal
consumer devices and peripherals, including cell phones and wireless headsets. Wireless signals
transmitted with Bluetooth cover short distances, typically up to 30 feet (10 meters).

(b) Role of interface message processor (IMP} in a computer network;
- To transfer the message from the host network to other branches within the network
- To defragment the message in the network to protect it from threats such as viruses
Kavungya answered the question on May 14, 2019 at 09:37


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