gniit sem a mt2 dumps c#

8/12/2019 Gniit Sem a Mt2 Dumps c#

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3, three

4, four

9. Peter is working as a Senior Software Engineer in NewSol, Inc. His Employee ID is N0065. He joined the organization on 19 Aug, 2008. Identify the attributes of the entity

instance.

1, Date of joining(19 Aug, 2008), Employee_ID(N0065), and Designation(Senior Software Engineer).

2, Employee_ID(N0065) and Designation(Senior Software Engineer).

3, Date of joining(19 Aug, 2008) and Employee_ID(N0065)

4, Employee_ID (N0065)

10. Peter has been given a task to simplify a database structure. He has to represent the data and the relationships among them in the form of rows and columns. He has

decided to use the Network model for completing this task. However, his manager has informed him that the use of this model will not generate the desired result. Analyze the

situation and provide the correct model that Peter should use.

1, Hierarchical model

2, Conceptual model

3, Relational model

4, ER Model

11. Sam is working on two tables, Employee Details and Department Details. The Employee Details table contains employee ID, employee name, department ID, and

designation of all employees. The Department Details table contains department ID and department names. Sam has to retrieve the name of the department that has the

maximum number of employees working. Which operator should Sam select for the given scenario?

1, Join

2, Intersect

3, Union

4, Product

12. Subtypes are connected to the supertype by a relationship known as _________.

1, one-to-one

2, one-to-many

3, many-to-many

4, unnamed

13. __________ is a scientific method of breaking down complex table structures into simple table structures by using certain rules.

1, Normalization

2, Renormalization

3, Functional Dependency

4, Specialization

14. When each cell of the table contains precisely one value, the table is said to be in the ______ normal form.

1, first

2, second

3, third

4, Boyce-Codd

15. Jim works as a database administrator in TechnoSol, Inc. He has a table that contains details of employees and location of the meetings they have attended in the last one

year. Jim has to normalize the table. The table columns consist the details of Employee ID, Department ID, meeting date, and location of the meeting. On analyzing the table he

found that meeting date and location of the meeting columns consist of more than one value in each cell. Jim has decided to normalize the table by using second normal form.However, his manager has informed him that using second normal form for the given scenario will not be correct. Analyze the situation and provid e the normal form that Jim

should use.

1, BCNF 2, First normal form 3, Second normal form 4, Third normal form

16. A table lists the details of all the students studying in an institute. Identify the determinant among the four columns of the given table. Click the Exhibit button to view the

table.

1, Student Name 2, Student Roll Number 3, Student Address 4, Student Fathers Name

17. Which of the following sentences is CORRECT about second normal form?

1, A table is said to be i n second normal form if Boyce-Codd normal form is applied to it.


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2, A table is said to be i n second normal form when every attribute in a row is not functionally dependent on any particular key.

3,A table is said to be in second normal form, when every attribute in a row is dependent on just part of the whole key.

4, A table is said to be in second normal form, when every attribute in a row is functionally dependent upon the whole key, and not just part of the key.

18. A table is said to be i n _____ normal form when it is in second normal form and every non-key attribute is functionally dependent only on the primary key.

1, first 2,fourth 3, third 4, Boyce-Codd

19. Which of the following processes can increase disk space utilization?

1, Normalization 2, Denormalization 3,Generalization 4, Specialization

20. Stella is working on a table that contains the details of students who have appeared for different course exams. She has to normalize the table. The primary key of the given

table is Roll Number + Exam Code. On analyzing, Stella found that any modification in Student Na me column will lead to modification in the whole table and Student Name +

Exam Code can also be chosen as the primary key. To avoid this redundancy, which normal form should Stella select? Click the Exhibit button to view the table.

1, 1NF 2, 2NF 3, 3NF 4, BCNF

21. Jim is working on an ER diagram. He has been instructed by his manager to map the given ER diagram to its corresponding tables. On analyzing the whole ER diagram, he

is planning to create a table called Account Details. However, his colleague has advice him that creating only one table will not give the desired result. Analyze the given ER

diagram and provide the tables that Jim should create.

1, Account Details and Saving Account Details

2, Account Details , Current Account Details ,and Saving Account Details

3, Salary Account Details , Current Account Details ,and Saving Account Details

4, Account Details, Salary Account Details , Current Account Details ,and Saving Account Details

22. The _________ operator builds a relation fro m tuples appearing in either or both of the specified relations.

1, Project 2, Divide 3, Join 4, Union

23. The ________ model represents all data in a database as simple tables in the row-column format.

1, Relational 2, Hierarchical 3, Network 4, ER

24. Replacing optional attributes with subentities is called __________.

1, denormalization 2, normalization 3, generalization 4, specialization

25. Which of the following sentences is NOT correct about normalization?

3, There should be atleast one column that accepts a NULL value.

26. Which of the following sentences is NOT true about an attribute?

4, It cannot refer to another entity.

27. The Employee_Details table lists the details of an employee. If Employee ID i s the primary key, identify the alternate key in the table?

1. Click the Exhibit button to view the table.

2, Designation Code

28. In the database structure, a table is called by which of the following name?

3, Relation

29. Jack is working on a table that describes salary details of an employee. Which of the columns in the table will you use to uniquely i dentify all the rows of the table? Click the

Exhibit button to view the table.

1, Employee ID +Account Number

30. Ryan is working on a table containing details of projects that the s tudents have submitted after completing a course on a specific programming language.

31. The primary key in the table is Student ID + Project Code. Ryan is thinking of applying third normal form to simplify the table structure. On discussing with his senior, he

found that his decision of selecting the third normal form is not correct. Analyze the given table and identify which normal form should Ryan select.

Click the Exhibit button to view the table.

2, Second Normal Form

32. John is working on a table that includes the details of employees and their departments. He has to normalize that table. The primary key of that table is Employee ID. Which

normal form should he choose to simplify the table? Click the Exhibit button to view the table.

3, 3NF

33. Which of the following commands is used to initiate a chat session in Linux?

2, talk

34. Joe is communicating with Jack by using the Chat utility of Linux. Now, he wants to end the chat session. Which of the foll owing commands would help him do so?


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1, Ctrl + C keys

35. Kim has logged on to the Linux system. She received a query from the customer. To resolve the query, she has to communicate with the back office. Identify the correct

sequence of steps that she needs to follow to communicate with the back office.

1, 1. Identify the user with whom she needs to communicate.

2. Check whether the user is online and ready to receive messages.

3. Identify the mechanism for communication.

4. Identify the contents of the message.

36. Joe is working on a Linux system. He has to chat with Angela. He first wants to check whether Angela is online and ready to receive messages. For this, he types the

following command at the shell prompt and presses the Enter key:

1. who

However, the preceding command displays the list of currently logged on users. This list does not indicate whether the user is ready to receive messages. Identify the

correct command that Joe should use to accomplish the required task?

2, who -T

37. Which of the following options is NOT an example of Mail User Agent (MUA)?

4, sendmail

38. Which of the following statements is a function of Mail User Agent (MUA)?

4, MUA is used to read the message at the recipients end.

39. Jack is working on his Linux system. His boss has sent him a mail that lists the tasks to be performed by Jack. Jack has to access his inbox to read the new mails rec eived

on his Linux system. Identify the correct sequence of steps that Jack needs to follow to read the new mails.

3, 1. Type pine at the shell prompt, and press Enter.

2. Press L.

3. Select the relevant mail by using the up and down-arrow keys.

4. Press Enter.

40. Julia is logged on to the Linux system. She has to access her Inbox to read mails. She invoked the pine MUA and pressed the S key to display the list of folders. Analyze

whether Julia has pressed the correct key to display the list of folders. If not, provide the correct solution.

2, No, Julia needs to press the L key.

41. Which of the following options do you need to press on the main menu of pine to configure the pine options?

1, S

42. You have sent a mail by using the pine utility of Linux. Now, you need to verify whether the mail has been sent or not. How will you perform this task?

3, By checking the contents of the sent -mail folder.

43. You have sent an E-mail to your friend by using the pine utility of Linux. After you have sent the mail, its copy is saved automatically in the sent-mail folder. Now, you need to

verify this by checking the content of the sent-mail folder. Which of the following sequence of steps do you follow to perform this task?

1, 1. Press the M key.

2. Select the Folders List option, and press Enter.

3. Select the sent-mail option from the Folders List by using the Tab key, and press Enter.

44. You have a Linux system. You have to send an E-mail to your friend. For this, you performed the followed steps:

1. 1. Type pine at the shell prompt, and press Enter.

2. Press C.

3. Type the name of the recipient in the To: block, and press Enter.

4. Type the subject in the Subject: block, and press Enter.

5. Type the contents of the mail.

6. Press the Ctrl and C keys to send the e-mail.However, you are not able to send the e-mail by using the preceding steps. Identify the problem and provide the correct

solution.

4, At step 6, the Ctrl and X keys should be pressed to send the E-mail.

45. Which of the following statements is NOT the correct file naming guideline of the Linux operating system?

2, A file name can have maximum of 286 characters.

46. Which of the following options do you need to press to switch to the Insert mode and then type the contents at the current cursor position of the vi editor?

1, i

47. Which of the following commands can be used to replace a character at the current cursor position and switch ba ck to the Command mode?

4, r

48. You have written a file by using the vi editor. Now, you need to save the file by the name myfile.txt. W hich of the following steps do you need to follow to save the file and

close the vi editor?


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1, 1. Press the Esc key.

2. Type :w /home/Complaints/myfile.txt, and press Enter.

3. Type :q, and press Enter.

49. You have opened a file in the vi editor. You have to make some changes in the third line of the file. The cursor is curre ntly at the end of the second line. To make changes in

the third line, you pressed the k command. However, the cursor moved to the firs t line instead of the third line. Analyze the situation and provide the correct command that

should have been used to move the cursor from the second to the third line.

1, You need to press the j command to move to the third line.

50. You have to view the files stored in the /home/bill directory. You are currently in the bill directory. Which of the following commands would you use for this purpose?

1, ls

51. There are three files in the /home/math directory. The file names are math001.2009, math002.2009, and math003.2009. You need to copy all the files in the /home/math

directory to the /home/backup directory. You are currently in the math directory. Which of the followi ng commands would you use to perform this task?

4, cp /home/math/math00[1-3].2009 /home/backup

52. There is a file named myfile001.txt in the /home/mydir directory. You need to rename the file to myfile002.txt. You are currently in the mydir directory. For this, you typed the

following command at the shell prompt:

1. rm /home/mydir/myfile001.txt /home/mydir/myfile002.txt

Analyze and predict whether the preceding command is able to accomplish the required task. If not, predict the correct command.

2, No, the correct command is:

mv /home/mydir/myfile001.txt /home/mydir/myfile002.txt

53. ABC Bank is offering personal loans to its customers at reduced interest rates. This offer i s valid for only a limited period. The bank intends to use a software application to

record all loan details. The bank wants that once the offer period ends, the interest rates and other details such as loan limits are changed to the original values. The bank does

not want to modify the complete software application as a result of change in such loan details. Identify the tier on which the bank should place such details in order to

accomplish their requirement.

3, Business tier

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