我需要作業系統的答案

Which of the following is a typical rule for allocating swap space for a Linux installation? (single) 1: Use 25% of available drive space for a swap partition. 2: Use 10% of available drive space for a swap partition. 3: Use 50% of total RAM for the size of a swap partition. 4: Use 200% of total RAM for the size of a swap partition.

What run level represents a system reboot? (single) 1: 6 2: 1 3: 2 4: 5

Which of the following Linux utilities is used to update the user passwords stored in '/etc/passwd' to utilize the more secure "shadow password" style? (single)

1: passwd -s2: mkshadow 3: shadowpw 4: pwconv

Which of the following is a reasonable size for a swap partition for a Linux workstation with 128 MB RAM? (single) 1: 1 KB 2: 0.5 MB 3: 200 MB 4: 5 GB

第 5 題

Which Linux command can be used to determine the available space on local hard-disk partitions? (single)1: free2: df 3: du 4: fdisk

Which of the following Linux command lines can be used to examine kernel bootup messages after boot time? (single)

   1: dmesg | less 2: less /proc/kmsg 3: bootlog -v 4: vi /var/log/messages

Which one of the following commands could be used to change all uppercase characters to lowercase in the middle of a pipe? (single)

1: grep 2: egrep 3: wc 4: tr

第 8 題

You've downloaded an image file of a boot floppy disk to your hard drive. What is the best utility to create a boot floppy from the disk image? (single)

1: bb 2: dd 3: cc4: ff

What is the disadvantage of using the command kill -9 ? (single)

1: It affects the entire process group. 2: It makes excessive use of system resources. 3: The action can be blocked by buggy or malicious processes. 4: The affected process is unable to clean up before exiting.

Which Linux utility would provide BEST guidance to determining the relative performance characteristics of the several local hard-disks installed on a system? (single)

1: nfsstone 2: hdparm 3: fdisk 4: modprobe

Update:

Which configuration file should be modified to disable the ctrl-alt-delete key combination? (single)

1: /etc/keys 2: /proc/keys3: /etc/inittab 4: /proc/inittab

1 Answer

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  • 9 years ago
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    您好,誠摯地來回答您的問題 : 在下看過題目後,認為的 11 題答案如下:4

    1

    1

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    4

    1

    4

    2

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    3僅供參考~~ 還務必請您了解到底為什麼是這個答案囉!!以上 AYO 阿佑

    Source(s): 自己+業界多年經驗+電腦週邊急救團
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