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What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)
What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)A . Entries for all possible devices get created on boot even if those devices are not connected. B. Additional rules for udev can be created by adding them to /etc/udev/rules.d/. C. When using udev,...
Which of the following shell redirections will write standard output and standard error output to a file named filename?
Which of the following shell redirections will write standard output and standard error output to a file named filename?A . 2>&1 >filename B. >filename 2>&1 C. 1>&2>filename D. >>filename E. 1&2>filenameView AnswerAnswer: B
Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?
Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?A . dd if=/dev/zero of=/dev/sda bs=512 B. dd if=/dev/zero of=/dev/sda bs=512 count=1 C. dd if=/dev/zero of=/dev/sda bs=440 count=1 D. dd if=/dev/zero of=/dev/sda bs=440View AnswerAnswer: C
Typically, which top level system directory is used for files and data that change regularly while the system is running and are to be kept between reboots?
CORRECT TEXT Typically, which top level system directory is used for files and data that change regularly while the system is running and are to be kept between reboots? (Specify only the top level directory)View AnswerAnswer: /var, /var/, var, var/
a running Bash?
Which of the following commands is used to change options and positional parameters for a running Bash?A . history B. set C. bashconf D. setsh E. envsetupView AnswerAnswer: B
Which command displays the contents of the Kernel Ring Buffer on the command line?
Topic 1, System Architecture CORRECT TEXT Which command displays the contents of the Kernel Ring Buffer on the command line? (Provide only the command name without any options or path information)View AnswerAnswer: dmesg, /bin/dmesg
Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?
Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?A . cat < myapp | cat > file1.log B. myapp 0>&1 | cat > file1.log C. myapp | cat > file1.log D. myapp | tee file1.log E. tee myapp...
CORRECT TEXT
CORRECT TEXT The dpkg-____ command will ask configuration questions for a specified package, just as if the package were being installed for the first time.View AnswerAnswer: reconfigure
CORRECT TEXT
CORRECT TEXT The USB device filesystem can be found under /proc/______/usb/. (Please fill in the blank with the single word only)View AnswerAnswer: bus
In which directory must definition files be placed to add additional repositories to yum?
CORRECT TEXT In which directory must definition files be placed to add additional repositories to yum?View AnswerAnswer: /etc/yum.repos.d, /etc/yum.repos.d/, yum.repos.d, yum.repos.d/
