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Which file tells GRUB the paths of the filesystem partitions in both Linux format and in the GRUB syntax? (Specify the file name only with no path information)
Which file tells GRUB the paths of the filesystem partitions in both Linux format and in the GRUB syntax? (Specify the file name only with no path information)View AnswerAnswer: device.map
After a lot of write operations, the administrator want to ensure that the kernel flushes the file system buffers to disk. Which command will accomplish this? (Specify ONLY the command without any path or parameters.)
After a lot of write operations, the administrator want to ensure that the kernel flushes the file system buffers to disk. Which command will accomplish this? (Specify ONLY the command without any path or parameters.)View AnswerAnswer: sync
What is a key difference between a zImage and bzImage kernel image?
What is a key difference between a zImage and bzImage kernel image?A . zImage is compressed using gzip, bzImage is compressed using bzip2.B . zImage is for 2.6 series kernels, bzImage is for 3.x series kernels.C . zImage is limited to 64k, bzImage has no such restriction.D . zImage gets...
In this example output, which descriptions match the purpose of the free, buff and cache columns? (Choose THREE correct answers.)
In this example output, which descriptions match the purpose of the free, buff and cache columns? (Choose THREE correct answers.) # vmstat 1 100 procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 0 282120...
In the following output, what percentage of time was the CPU waiting for pending I/O?
In the following output, what percentage of time was the CPU waiting for pending I/O? # vmstat 1 100 procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 0 282120 134108 5797012 0 0 0...
In the following output from top, which processes contribute to the percentage of time that the CPU spends in the state of wa?
In the following output from top, which processes contribute to the percentage of time that the CPU spends in the state of wa? Tasks: 193 total, 1 running, 190 sleeping, 2 stopped, 0 zombie Cpu(s): 0.5%us, 0.3%sy, 0.0%ni, 98.2%id, 1.0%wa, 0.0%hi, 0.0%si, 0.0%stA . Processes waiting for user interaction.B ....
What is the main template file used by autofs?
What is the main template file used by autofs?A . default.mapsB . auto.confC . auto.masterD . autofs.masterView AnswerAnswer: C
What is the correct parameter to pass to the kernel at boot time to force it to use only one of the available processors?
What is the correct parameter to pass to the kernel at boot time to force it to use only one of the available processors?A . maxcpus=1B . usecpus=1C . smpcpus=1D . vcpumx=1View AnswerAnswer: A
A database application requires a maximum shared memory segment (shmmax) of 2GB (2147483648 Bytes). Which configuration file should be modified to set this kernel parameter permanently? (Specify the full name of the file, including path.)
A database application requires a maximum shared memory segment (shmmax) of 2GB (2147483648 Bytes). Which configuration file should be modified to set this kernel parameter permanently? (Specify the full name of the file, including path.)View AnswerAnswer: /etc/sysctl.conf
Which of the following are common Linux filesystem types used for root partitions? (Choose THREE correct answers.)
Which of the following are common Linux filesystem types used for root partitions? (Choose THREE correct answers.)A . ext4B . VFATC . NTFSD . XFSE . BtrfsView AnswerAnswer: A, D, E
