5.1 State TWO advantages of grid computing - NSC Computer Application Technology - Question 5 - 2021 - Paper 2
Question 5
5.1 State TWO advantages of grid computing.
5.2 Consider the diagram of a network below and answer the questions that follow.
5.2.1 Identify devices A, B and C in ... show full transcript
Worked Solution & Example Answer:5.1 State TWO advantages of grid computing - NSC Computer Application Technology - Question 5 - 2021 - Paper 2
Step 1
State TWO advantages of grid computing
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Answer
Grid computing allows for the use of many combined resources, enhancing the ability to handle larger tasks efficiently.
It can solve complex problems that require significant processing power by distributing tasks across multiple computers.
Step 2
Identify devices A, B and C in the network diagram
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Answer
A - Switch/Router/Hub
B - (Print/NAS) Server
C - Router/Modem/Gateway
Step 3
What type of network is Network D?
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Network D is a Local Area Network (LAN) or a Client-Server Network.
Step 4
Give TWO reasons why it is better to turn off Bluetooth connection if connectivity is not required
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Answer
It prevents interference with other wireless signals, reducing connection issues.
By turning off Bluetooth, you avoid the risk of being tracked or hacked by unauthorized devices.
Step 5
Suggest TWO changes to make the following password more secure: 1b007f0e
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Include at least one special character, such as '@'.
Add one uppercase letter, for example, change it to '1B007f0e'.
Step 6
Why is it necessary to enter this OTP if you have already signed in with your username and password?
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Entering the OTP ensures that the transaction is only being carried out by the authorized user, providing an extra layer of security.
Step 7
Why would you use the Bcc feature in an e-mail?
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The Bcc feature is used to hide the addresses of other recipients, protecting their privacy when sending bulk emails.
Step 8
What type of communication medium is used in long-distance undersea cables?
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The communication medium used in long-distance undersea cables, such as those of SEACOM, is optical fiber.
Step 9
Give TWO disadvantages of FTP technology for the transfer of larger files
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FTP can be complex, requiring specialized knowledge to set up and maintain.
The transfer process can be slow and may expose security vulnerabilities, especially if not using secure FTP methods.
