A Learning Portal from Recruitment India
A Learning Portal from Recruitment India
How could you install the file ipchains-1.3.9-5.i386.rpm?
rpm -e ipchains-1.3.9-5.i386.rpm
rpm -i ipchains* .i386.rpm
rpm -Uvh ipchains
rpm -qip ipchains
Answer with explanation
Answer: Option BExplanation
The correct answer is rpm -i ipchains* .i386.rpm
Workspace
How many networks and nodes per network, are allowed by the Class B network?
2,097,152 networks and 254 nodes per network
16,384 networks and 65,534 nodes per network
127 networks and 16,777,216 nodes per network
None of the above
Answer with explanation
Answer: Option BExplanation
The correct answer is 16,384 networks and 65,534 nodes per network
Workspace
The physical layer of a network?
defines the electrical characteristics of signals passed between the computer and communication devices
controls error detection and correction
constructs packets of data and sends them across the network
All of the above
Answer with explanation
Answer: Option AExplanation
The correct answer is defines the electrical characteristics of signals passed between the computer and communication devices
Workspace
What command is used to count the total number of lines, words, and characters contained in a file?
count p
wc
wcount
countw
Answer with explanation
Answer: Option BExplanation
Use the wc command to count the number of lines, words, and bytes in the files specified by the File parameter. If a file is not specified for the File parameter, standard input is used.
Workspace
Which command is used to display the Unix version?
kernel
uname -t
uname -n
uname -r
Answer with explanation
Answer: Option DExplanation
The correct answer is uname -r
The ‘uname’ command is used to display the Unix version. This command reports the basic information about a system’s hardware and software.
Workspace
Which command is used to record a user login session in a file?
script
read
macro
none of the mentioned
Answer with explanation
Answer: Option AExplanation
The ‘script’ command is used to record a user’s login session in a file. Script command can be implemented in a shell script or can directly be used in the terminal.
Workspace
The command “mknod myfifo b 4 16”?
Will create a FIFO if a user is not root
Will create a block device for all users
Will create a block device if a user is a root
None of the mentioned
Answer with explanation
Answer: Option CExplanation
The correct answer is Will create a block device if a user is a root
Workspace
