software engineering MCQs – Page 82

Practise multiple-choice questions from software engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

1621. The command chmod 761 letter is equivalent to__________________?
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A. chmod u = rwx, g = rw, o = x letter

B. chmod 167 letter

C. chmod a = 761 letter

D. chmod 4=7, g = 6, o = 1 letter

1622. How many class A, B and C network IDs can exist ?
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A. 2113658

B. 128

C. 16382

D. 126

1623. The type of code found in Code-Behind class is __________________?
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A. Client-side code

B. Server-side code

C. Both A and B

D. None of these

1624. Which of the following commands is used to remove files with confirmation prompt from the user file system which have neither been accessed nor modified i the last one year ?
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A. find -name mtime + 365 / ok rm

B. find /user/* \(-mtime + 365 a atime +365 \) OK rm {} \;

C. grep (/usr/*) mtime + 365 | -ok rm

D. find -mtime +365 | rm

1625. Which of the following commands is used to display the filenames in multiple columns ?
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A. ls -x

B. lc

C. ls -1

D. ls

1626. What is the default session out time__________________?
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A. 20 min

B. 40 min

C. 20 sec

D. 10 sec

1627. Which of the following commands is used to summarize the disk usage ?
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A. du

B. fdisk

C. disk

D. chkdsk

1628. What is the base class from which all Web forms inherit ?
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A. Master Page

B. Page Class

C. Session Class

D. None of these

1629. In ASP.NET if one wants to maintain session then which of the following is used ?
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A. All of the above

B. Session State Service

C. In-process storage

D. Microsoft SQL Server

1630. What command is used to remove files ?
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A. rm

B. erase

C. delete

D. dm

1631. Which option will be used with sort command to start sorting ofter the nth column of the (m+l)th field ?
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A. #NAME?

B. +(m+l).n

C. #NAME?

D. +m.n
1632. Which command is used to make all files and sub-directories in the directory (progs) executable by all users ?
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A. chmod -x a+x progs

B. chmod -R a+x progs

C. chmod -R 222 progs

D. chmod -1 a+x progs

1633. Which command is used to locate all the .profile files in the system ?
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A. find /-name profile -print

B. l -u .profile

C. ls profile

D. cd /.profile

1634. Which command is used to assign only read permission to all three categories of the file note ?
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A. chmod a-rw

B. chmod ugo=r note

C. chmod u+r,g+r,o-x note

D. chmod go+r note

1635. Which is the earliest and most widely used shell that came with the UNIX system ?
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A. Smith shell

B. C shell

C. Korn shell

D. Bourne shell
1636. Which of the following is FALSE ?
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A. ASP.NET is a major upgrade over ASP

B. ASP.NET applications run without a Web Server

C. ASP+ and ASP.NET refer to the same thing

D. None of these
1637. Which command is used to display the top of the file ?
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A. head

B. grep

C. cat

D. more

1638. Which of the following authentication is best suited for a corporate network ?
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A. Table

B. Windows

C. Form

D. User

1639. What are the appropriate Hex codes for setting Linux swap and Linux native partition types in fdisk ?
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A. 82 and 83

B. 92 and 93

C. 63 and 64

D. 82 and 85

1640. The first set of the three permissions (rw) pertains to the owner of the file, indicating that the owner has_______________?
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A. executable permission only

B. write and executable permissions

C. both read and executable permissions.

D. both read and write permissions