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i) Logical topology as used in computer networks: Refers to how data is transmitted between
the network component or in a physical topology (physical topology refers to physical layout of
networks).
ii) Types of logical topologies
- Shared media topology. All systepis have the ability to access the physical layout
whenever they are needed.
- Token based topology. Works by using a token to produce access to the physical media.
Kavungya answered the question on May 14, 2019 at 08:49
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Briefly discuss four advantages of the virtual private network.
Date posted: May 14, 2019. Answers (1)
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(ii)Illustrate two types of wireless media necessary when setting up a network.(Solved)
(i)Define the term "protocol" in the context of computer networks.
(ii)Illustrate two types of wireless media necessary when setting up a network.
Date posted: May 14, 2019. Answers (1)
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Explain three modes of data communication and their practical use.
Date posted: May 14, 2019. Answers (1)
- (i) Define the term "mobile computing”
(ii) Outline five limitations of mobile computing devices(Solved)
(i) Define the term "mobile computing”
(ii) Outline five limitations of mobile computing devices
Date posted: May 14, 2019. Answers (1)
- Analyse the following modes of communication with reference to-cost, speed of transmission
and reliability:
(i) Serial mode.
(ii) Parallel mode.(Solved)
Analyse the following modes of communication with reference to-cost, speed of transmission
and reliability:
(i) Serial mode.
(ii) Parallel mode.
Date posted: May 14, 2019. Answers (1)
- Information systems controls consist of all methods, policies and organizational procedures that
ensure the safety of the organization’s assets, the accuracy and reliability of its accounting
records...(Solved)
Information systems controls consist of all methods, policies and organizational procedures that
ensure the safety of the organization’s assets, the accuracy and reliability of its accounting
records and operational adherence to management standards.
Required:
Describe five types of general information systems controls.
Date posted: May 14, 2019. Answers (1)
- Differentiate between information systems (IS) and information technology (IT).(Solved)
Differentiate between information systems (IS) and information technology (IT).
Date posted: May 14, 2019. Answers (1)
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an organisation.
b) Name six threats to an organization’s information system...(Solved)
a) Identify the procedures that could be adopted to control the spread of computer viruses in
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b) Name six threats to an organization’s information system that could arise as a result of
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Date posted: May 14, 2019. Answers (1)
- Identify three vital services which information systems can provide to a business organization.(Solved)
Identify three vital services which information systems can provide to a business organization.
Date posted: May 14, 2019. Answers (1)
- a) Identify three roles of- information systems in-an. organisation.
b) State and explain the components of an information system.(Solved)
a) Identify three roles of- information systems in-an. organisation.
b) State and explain the components of an information system.
Date posted: May 14, 2019. Answers (1)
- Organizations individual use different types of information systems for different purposes.
Describe the characteristics of the following information systems:
i) Transaction processing systems (TPS).
ii) Sales and marketing...(Solved)
Organizations individual use different types of information systems for different purposes.
Describe the characteristics of the following information systems:
i) Transaction processing systems (TPS).
ii) Sales and marketing systems.
Date posted: May 14, 2019. Answers (1)
- a) i) Define the term "information systems
ii) State five types of information systems
b) As the information system manager of a company whose operations are highly...(Solved)
a) i) Define the term "information systems
ii) State five types of information systems
b) As the information system manager of a company whose operations are highly automated,
you have noticed that a large number of employees are suffering from occupational over-use
syndrome otherwise known as repetitive strain injury (RSI)
Identify four measures that you could adopt in order to minimize occupational over-use
syndrome
Date posted: May 14, 2019. Answers (1)
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Explain four security concerns that personal computer users face in an organization.
Date posted: May 14, 2019. Answers (1)
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Small and micro-business enterprises have greater access to a variety of information technology
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are exposed to both external and internal threats that could cripple their operations.
Identify the end point security threats to small and micro-business enterprises,
Date posted: May 14, 2019. Answers (1)
- a) To be considered an executive information system (EIS), a software product should address
certain needs of the executive.
b) Briefly describe four structural elements of a...(Solved)
a) To be considered an executive information system (EIS), a software product should address
certain needs of the executive.
b) Briefly describe four structural elements of a computer system.
Date posted: May 14, 2019. Answers (1)
- For each of the following threats to information systems, security, identify two conditions that
might increase the vulnerability of the information systems security:
i. Operator error.
ii. Hardware...(Solved)
For each of the following threats to information systems, security, identify two conditions that
might increase the vulnerability of the information systems security:
i. Operator error.
ii. Hardware malfunction,
iii. Software bugs.
iv. Data errors.
v. Accidental disclosure of information.
vi. Theft.
vii. Vandalism and sabotage.
Date posted: May 14, 2019. Answers (1)
- (i) Define the term "knowledge management system".
(ii) Highlight four benefits of a knowledge management system to a business organisation,
(iii) Outline three major problems a company...(Solved)
(i) Define the term "knowledge management system".
(ii) Highlight four benefits of a knowledge management system to a business organisation,
(iii) Outline three major problems a company might face when implementing a new
knowledge management system
Date posted: May 14, 2019. Answers (1)
- Briefly explain the following terms:
i. Uniform Resource Locator.
ii. Cloud computing.(Solved)
Briefly explain the following terms:
i. Uniform Resource Locator.
ii. Cloud computing.
Date posted: May 14, 2019. Answers (1)
- a) Outline three functions of an organisation that could be automated.
b) Briefly, describe how a computer system could be modified for use by physically challenged
persons(Solved)
a) Outline three functions of an organisation that could be automated.
b) Briefly, describe how a computer system could be modified for use by physically challenged
persons
Date posted: May 14, 2019. Answers (1)
- Briefly explain four authentication techniques that could enhance security of information
systems in an organisation.(Solved)
Briefly explain four authentication techniques that could enhance security of information
systems in an organisation.
Date posted: May 14, 2019. Answers (1)