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This section includes 139 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.
51. |
What command is used to remove a file? |
A. | del |
B. | mv |
C. | rm |
D. | remove |
Answer» D. remove | |
52. |
Which of the following command lists the last 10 lines of a file? |
A. | grep |
B. | tail |
C. | head |
D. | cat |
Answer» C. head | |
53. |
Which of the following is not a part of default Red Hat Linux email system? |
A. | Pine |
B. | The MTA |
C. | The MUA |
D. | procmail |
Answer» B. The MTA | |
54. |
You just added a new user, kara, to the system. What group is kara added to by default? |
A. | root |
B. | kara |
C. | group |
D. | user |
Answer» C. group | |
55. |
NIS |
A. | is Network Information Service |
B. | is a simple directory service whose main purpose is to allow remote authentication of systems on local network systems |
C. | was formerly known as yellow pages |
D. | allows configuration-such as password and group files |
Answer» B. is a simple directory service whose main purpose is to allow remote authentication of systems on local network systems | |
56. |
What command is used to display a file contents in octal form? |
A. | oct |
B. | of |
C. | od |
D. | cd |
Answer» D. cd | |
57. |
In what file can you specify which users are not allowed to access a system via FTP? |
A. | /etc/ftpusers |
B. | /etc/hosts.deny |
C. | /etc/ftpaccess |
D. | All of the above |
Answer» B. /etc/hosts.deny | |
58. |
What package group will you select during the custom configuration to enable the machine to communicate with Windows clients? |
A. | SMB (Samba) Connectivity |
B. | IPX/NetWare Connectivity |
C. | Dial-up Workstation |
D. | All of the above |
Answer» B. IPX/NetWare Connectivity | |
59. |
LILO |
A. | stands for Linux loader |
B. | is the Linux boot loader |
C. | is a tool used to boot the Kernel on x86 hardware |
D. | All of the above |
Answer» E. | |
60. |
What command is used to display the top of the file? |
A. | grep |
B. | more |
C. | head |
D. | cat |
Answer» D. cat | |
61. |
What command is used to terminate a process? |
A. | kill |
B. | cancel |
C. | haltsys |
D. | shutdown |
Answer» B. cancel | |
62. |
Which of the following tool allows you to change your default X Window desktop? |
A. | switchdesk |
B. | intrc |
C. | xinitre |
D. | Xchange |
Answer» B. intrc | |
63. |
What TCP/IP protocol is used for transferring electronic mail messages from one machine to another? |
A. | FTP |
B. | SNMP |
C. | SMTP |
D. | RPC |
Answer» D. RPC | |
64. |
What command is used to assign executable permission to all of the files named "report"? |
A. | chmod ugo + x report |
B. | chmod u + x report |
C. | chmod ugo + rw report |
D. | chmod ugo + r report |
Answer» B. chmod u + x report | |
65. |
Who founded the FSF? |
A. | Linus Torvalds |
B. | Richard Stallman |
C. | Bob Young |
D. | All of the above |
Answer» C. Bob Young | |
66. |
The location for subdirectories for local programs and executables for user and administrative commands, is: |
A. | /usr |
B. | /tmp |
C. | /opt |
D. | /mnt |
Answer» B. /tmp | |
67. |
What command is used with vi editor to replace text from cursor to right |
A. | S |
B. | s |
C. | R |
D. | r |
Answer» D. r | |
68. |
What layer of OSI determines the interface of the system with the user? |
A. | Session |
B. | Data-link |
C. | Application |
D. | Network |
Answer» D. Network | |
69. |
What command do you use to create Linux file systems? |
A. | fdisk |
B. | mkfs |
C. | fsck |
D. | mount |
Answer» C. fsck | |
70. |
In which tcp_wrappers file can you specify to allow all connections from all hosts? |
A. | /etc/hosts.allow |
B. | /etc/hosts.deny |
C. | /etc/hosts |
D. | /etc/tcp.conf |
Answer» B. /etc/hosts.deny | |
71. |
What can he used to set up a firewall on a Linux system? |
A. | netstat |
B. | route |
C. | trace |
D. | ipchains |
Answer» E. | |
72. |
What port does squid listen, by default? |
A. | 4322 |
B. | 2314 |
C. | 7334 |
D. | 3128 |
Answer» E. | |
73. |
Where can system and mail logs be found in Ret Hat Linux? |
A. | /var/log |
B. | /etc/log |
C. | |
D. | All of the above |
Answer» B. /etc/log | |
74. |
What command is used with vi editor to move back to the beginning of a word? |
A. | w |
B. | e |
C. | a |
D. | b |
Answer» E. | |
75. |
In which directory can you store system user default files used for creating user directories? |
A. | /usr/tmp |
B. | /etc/default |
C. | /etc/skel |
D. | /etc/users |
Answer» D. /etc/users | |
76. |
What command is used with file named 'letter' to remove the executable permission from the user and assign read permission to the group and others? |
A. | chmod go + x, u - x letter |
B. | chmod g - x, uo + r letter |
C. | chmod go + r, u + x letter |
D. | chmod u - x, go + r letter |
Answer» E. | |
77. |
Which of the following command is used to access an SMB share on a Linux system? |
A. | NFS |
B. | SMD |
C. | smbclient |
D. | smbserver |
Answer» D. smbserver | |
78. |
In OSI network architecture, the routing is performed by |
A. | session layer |
B. | transport layer |
C. | data link layer |
D. | network layer |
Answer» E. | |
79. |
What TCP/IP protocol is used for remote terminal connection service? |
A. | UDP |
B. | RARP |
C. | FTP |
D. | TELNET |
Answer» E. | |
80. |
What command is not used to list the files chap01, chap02 and chap04? |
A. | ls chap* |
B. | ls chap[124] |
C. | ls - x chap0[124] |
D. | ls chap0[124] |
Answer» C. ls - x chap0[124] | |
81. |
Which of the following command is used to see the services running in NFS server? |
A. | rpcinfo |
B. | serverinfo |
C. | NFSinfo |
D. | infserv |
Answer» B. serverinfo | |
82. |
Which command can force all buffers to disk? |
A. | save |
B. | sync |
C. | edbuff |
D. | flush |
Answer» C. edbuff | |
83. |
Which of the following is a valid format for mounting a CD-ROM drive? |
A. | mount -t iso9660 /dev/cdrom / mnt/cdrom |
B. | mount /dev/cdrom |
C. | mount /mnt/cdrom |
D. | All of the above |
Answer» E. | |
84. |
What command is used to list contents of directories? |
A. | tar |
B. | dir |
C. | lp |
D. | ls |
Answer» E. | |
85. |
What TCP/IP protocol is used for file transfer with minimal capability and minimal overhead? |
A. | TELNET |
B. | TFTP |
C. | FTP |
D. | RARP |
Answer» C. FTP | |
86. |
Which class network is used for a collection of a small number of networks with a large number of nodes? |
A. | Class A |
B. | Class B |
C. | Class C |
D. | All of the above |
Answer» B. Class B | |
87. |
Which of the following server is used with the BIND package? |
A. | httpd |
B. | shttp |
C. | dns |
D. | named |
Answer» E. | |
88. |
What is the full form of OSS in Linux? |
A. | Open System Software |
B. | Original Source Software |
C. | Open Source Software |
D. | Original System Server |
Answer» D. Original System Server | |
89. |
Which of the following is not a communication command? |
A. | grep |
B. | |
C. | mesg |
D. | write |
Answer» B. mail | |
90. |
What is the full form of GNU in Linux? |
A. | GNU's not Unix |
B. | Greek Needed Unix |
C. | General Unix |
D. | General Noble Unix |
Answer» B. Greek Needed Unix | |
91. |
What command do you use to delete a file? |
A. | rename |
B. | delete |
C. | rm |
D. | cp |
Answer» D. cp | |
92. |
Which of the following command is used to create a Linux installation boot floppy? |
A. | mkboot disk |
B. | bootfp disk |
C. | ww and rawwrite |
D. | dd and rawrite |
Answer» E. | |
93. |
What command is used to remove jobs from the print queue? |
A. | lpq |
B. | lpr |
C. | lprm |
D. | lpc |
Answer» D. lpc | |
94. |
The IP address are based on |
A. | 16-bit addresses |
B. | 32-bit addresses |
C. | 64-bit addresses |
D. | 8-bit addresses |
Answer» C. 64-bit addresses | |
95. |
What command can be used to get information about yourself? |
A. | which |
B. | pwd |
C. | i /4 |
D. | who am i |
Answer» E. | |
96. |
What command is used to count just the number of lines contained in a file? |
A. | wc - r |
B. | wc - w |
C. | wc - c |
D. | wc - l |
Answer» E. | |
97. |
Which of the following NIS clients, finds and stores information about an NIS domain and server? |
A. | ypwhich |
B. | ypbind |
C. | ypcat |
D. | yppoll |
Answer» C. ypcat | |
98. |
Who founded the Linux Kernel? |
A. | Bill Gates |
B. | Ben Thomas |
C. | Richard Stallman |
D. | Linus Torvalds |
Answer» E. | |
99. |
What file specifies the order in which to use specified name services? |
A. | /etc/services |
B. | /etc/nsorder |
C. | /etc/nsswitch.conf |
D. | /etc/hosts |
Answer» D. /etc/hosts | |
100. |
What X-based tool is available for configuring the X Window system? |
A. | XConfigurator |
B. | XF86Setup |
C. | xf86config |
D. | All of the above |
Answer» C. xf86config | |