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          對(duì)于作業(yè)二十狀況的在線調(diào)研

          發(fā)布時(shí)間:2020-06-26 11:50:31 分類:其它

          作者:在線調(diào)查 來源:www.whcldc.com

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          Q1. 您的學(xué)歷?(單選題)

            Q2. 您的年齡?(單選題)

              Q3. 您的性別:(單選題)

                Q4. 您的學(xué)號(hào):(填空題)

                  Q5. 您的姓名:(填空題)

                    Q6. Which of the following is true about MySQL?(單選題)

                    • MySQL is a relational DB system.

                    • MySQL runs in client/server mode.

                    • MySQL is open source.

                    • All of the above.

                    Q7. MySQL supports the following data types except _______.(單選題)

                    • INT

                    • TIME

                    • BOOLEAN

                    • YEAR

                    Q8. Which of the following SQL syntax is not correctly described?(單選題)

                    • WHERE clauses must be used when SELECT statement is executed.

                    • DELETE and INSERT statements are related to table operations.

                    • SHOW statement is used for getting database information.

                    • Function names could not be the same as table or column names.

                    Q9. Which of the following descriptions about MySQL is wrong?(單選題)

                    • Password is encrypted when user connects to a MySQL Server.

                    • Clients can connect to MySQL Server through multiple ways.

                    • In MySQL database, each table may consist of 1 to 16 indexes.

                    • MySQL has packages in different languages with different character sets.

                    Q10. Which of the following is false about basic network configuration ?(單選題)

                    • Star

                    • Ring

                    • Bus

                    • Tree

                    Q11. A star network configuration is often used _____.(單選題)

                    • when the central host computer contains all of the terminals

                    • when all of the processing is not one at a central site, but instead processing is accomplished at local sites

                    • when the devices linked are close to one another

                    • none of the above

                    Q12. Which configuration is most appropriate when the devices linked are close to one another?(單選題)

                    • star

                    • ring

                    • bus

                    • none of the above

                    Q13. The major disadvantage of a star network is that _____.(單選題)

                    • the entire network is dependent upon the centralized computer

                    • the entire network is dependent upon the centralized computer and the associated hardware

                    • the entire network is dependent upon the centralized computer and the associated software

                    • the entire network is dependent upon the centralized computer and the associated hardware and software

                    Q14. Most computer networks are_____ configurations.(單選題)

                    • star

                    • ring

                    • bus

                    • the combinations of all the above

                    Q15. Which is an advantage of a layered network model?(單選題)

                    • slows evolution

                    • increases complexity

                    • simplifies learning

                    • increases proprietary protocols

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