HP Computer Practice Set 21 | Interactive MCQ Mock Test

1. A family notices that their smart TV, laptops, and smartphones all access the internet using the same connection. Which device is enabling this functionality?

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A. Switch B. Access Point C. Router D. Hub

2. A family notices that their smart TV, laptops, and smartphones all access the internet using the same connection. Which device is enabling this functionality?

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A. Switch B. Access Point C. Router D. Hub

3. A company is designing a secure web-based platform that involves sensitive user data transfer. Which protocol should they implement to ensure data confidentiality and integrity during transactions?

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A. HTTPS B. SMTP C. HTTP D. FTP

4. A company is designing a secure web-based platform that involves sensitive user data transfer. Which protocol should they implement to ensure data confidentiality and integrity during transactions?

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A. HTTPS B. SMTP C. HTTP D. FTP

5. A network engineer designs a network where multiple switches are connected. Which protocol should be implemented to prevent switching loops and ensure network stability?

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A. Address Resolution Protocol (ARP) B. Dynamic Host Configuration Protocol (DHCP) C. Spanning Tree Protocol (STP) D. Network Address Translation (NAT)

6. A network engineer designs a network where multiple switches are connected. Which protocol should be implemented to prevent switching loops and ensure network stability?

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A. Address Resolution Protocol (ARP) B. Dynamic Host Configuration Protocol (DHCP) C. Spanning Tree Protocol (STP) D. Network Address Translation (NAT)

7. Which of the following is a common method for making digital payments in India?

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A. Postal order B. Cheque C. UPI D. Cash on delivery

8. Which of the following is a common method for making digital payments in India?

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A. Postal order B. Cheque C. UPI D. Cash on delivery

9. Which scenario is most likely to represent a G2C interaction rather than a G2B or G2G process?

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A. A company bids for a highway contract B. A citizen checks their pension status through a government website C. A business registers for GST online D. Ministries share budget information electronically

10. Which scenario is most likely to represent a G2C interaction rather than a G2B or G2G process?

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A. A company bids for a highway contract B. A citizen checks their pension status through a government website C. A business registers for GST online D. Ministries share budget information electronically

11. Which combination of cloud service models would best suit a company that needs both software applications and the ability to build custom applications?

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A. Software as a Service and Platform as a Service B. Platform as a Service and Database as a Service C. Infrastructure as a Service and Platform as a Service D. Infrastructure as a Service and Software as a Service

12. Which combination of cloud service models would best suit a company that needs both software applications and the ability to build custom applications?

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A. Software as a Service and Platform as a Service B. Platform as a Service and Database as a Service C. Infrastructure as a Service and Platform as a Service D. Infrastructure as a Service and Software as a Service

13. A student frequently uses public Wi-Fi to access school resources. Which practice most effectively increases their browsing safety in this scenario?

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A. Disabling all browser add-ons while using public Wi-Fi B. Visiting only familiar websites on public Wi-Fi C. Using a reputable VPN service when connected to public Wi-Fi networks D. Clearing browser cookies after every session

14. A student frequently uses public Wi-Fi to access school resources. Which practice most effectively increases their browsing safety in this scenario?

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A. Disabling all browser add-ons while using public Wi-Fi B. Visiting only familiar websites on public Wi-Fi C. Using a reputable VPN service when connected to public Wi-Fi networks D. Clearing browser cookies after every session

15. A bank customer receives an email that appears legitimate and is directed to a website that looks like their bank's portal, where they are asked to enter account details. What is this scenario an example of?

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A. Phishing B. Identity theft C. Malware D. Spoofing

16. A bank customer receives an email that appears legitimate and is directed to a website that looks like their bank's portal, where they are asked to enter account details. What is this scenario an example of?

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A. Phishing B. Identity theft C. Malware D. Spoofing

17. Which of the following represents the decimal value 53 in binary?

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A. 110101 B. 110111 C. 101100 D. 111101

18. Which of the following represents the decimal value 53 in binary?

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A. 110101 B. 110111 C. 101100 D. 111101

19. If a binary number ends with two digits, what should you do before grouping for octal conversion?

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A. Ignore the remaining digits and group what you can B. Add two zeros to the left regardless of digits left C. Add one zero to the left to make a complete group of three digits D. Add one zero to the right to make a complete group

20. If a binary number ends with two digits, what should you do before grouping for octal conversion?

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A. Ignore the remaining digits and group what you can B. Add two zeros to the left regardless of digits left C. Add one zero to the left to make a complete group of three digits D. Add one zero to the right to make a complete group

21. Which type of key is a set of one or more columns that can uniquely identify a record, but may not be the minimal set?

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A. Foreign key B. Primary key C. Super key D. Candidate key

22. Which type of key is a set of one or more columns that can uniquely identify a record, but may not be the minimal set?

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A. Foreign key B. Primary key C. Super key D. Candidate key

23. Which combination best describes the primary objectives of a DBMS?

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A. Data integrity and efficient data access B. User authentication and network security C. Data compression and backup D. Data visualization and reporting

24. Which combination best describes the primary objectives of a DBMS?

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A. Data integrity and efficient data access B. User authentication and network security C. Data compression and backup D. Data visualization and reporting

25. If you run SELECT COUNT(salary) FROM employees and some salary values are NULL, what does the query return?

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A. It returns the total number of rows including those with NULL B. It returns zero if any value is NULL C. It produces an error because of NULL values D. It returns the count of rows with non-NULL salary values

Himachal Pradesh Computer - Practice Mock Test Set 21

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