最新的LPIC Level1認證 101-400考試題庫

問題1

When given the following command line.
echo "foo bar" | tee bar | cat
Which of the following output is created?

A. bar

B. foo bar

C. tee bar

D. foo

E. cat

正確答案: B

問題2

Which grep command will print only the lines that do not end with a / in the file foo?

A. grep -v '/#' foo

B. grep -v '/$' foo

C. grep'/$' foo

D. grep '/#' foo

正確答案: B

問題3

What is the difference between the i and a commands of the vi editor?

A. i (independent rows) starts every new line at the first character whereas a (aligned rows) keeps the indentation of the previous line.

B. i (interactive) requires the user to explicitly switch between vi modes whereas a
(automatic) switches modesautomatically.

C. i (interrupt) temporarily suspends editing of a file to the background whereas a (abort) terminates editing.

D. i (insert) inserts text before the current cursor position whereas a (append) inserts text after the cursor.

正確答案: D

問題4

What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)

A. To dynamically create or delete logical volumes.

B. To create RAID 9 arrays.

C. To encrypt logical volumes.

D. To create snapshots.

E. To dynamically change the size of logical volumes.

正確答案: A,D,E

問題5

Which of the following commands will load a kernel module along with any required dependency modules?

A. loadmod

B. modprobe

C. depmod

D. module_install

E. insmod

正確答案: B

問題6

Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and without any trailing spaces, is reached?

A. !<

B. <<

C. &<

D. <|

正確答案: B

問題7

Which of the following commands is used to update the list of available packages when using dpkg based package management?

A. apt-cache update

B. apt-cache upgrade

C. apt-get refresh

D. apt-get update

E. apt-get upgrade

正確答案: D

問題8

Which shell command is used to continue background execution of a suspended command?

A. exec

B. :&

C. &

D. cont

E. bg

正確答案: E

問題9

CORRECT TEXT
Which SysV init configuration file is commonly used to set the default run level? (Specify the full name of the file, including path.)

正確答案:

inittab

問題10

Which of the following commands will NOT update the modify timestamp on the file
/tmp/myfile.txt?

A. touch/tmp/myfile.txt

B. echo "Hello" >/tmp/myfile.txt

C. echo -n "Hello" >>/tmp/myfile.txt

D. file /tmp/myfile.txt

E. sed -ie "s/1/2/" /tmp/myfile.txt

正確答案: D

問題11

Which of the following examples for Bash file globbing matches a file named root-can-do- this.txt when used in the directory holding that file? (Choose three correct answers.)

A. root***{can,may}-do-this.[tT][xX][tT]

B. root*can?do-this.{txt,odt}

C. root*can*do??this.txt

D. r[oOoO]t-can-do*.txt

E. {root,user,admin}-can-??-this.txt

正確答案: B,D,E

問題12

What happens after issuing the command vi without any additional parameters?

A. vi starts and opens a new file which is filled with the content of the vi buffer if the buffer contains text.

B. vi exits with an error message as it cannot be invoked without a file name to operate on.

C. vi starts and loads the last file used andmoves the cursor to the position where vi was when it last exited.

D. vi starts and requires the user to explicitly either create a new or load an existing file.

E. vi starts in command mode and opens a new empty file.

正確答案: E

問題13

Which of the following Linux filesystems preallocates a fixed number of inodes at the filesystem's make/creation time and does NOT generate them as needed? (Choose TWO correct answers.)

A. procfs

B. XFS

C. ext3

D. ext2

E. JFS

正確答案: C,D

問題14

Which of the following commands determines the type of a file by using a definition database file which contains information about all common file types?

A. type

B. magic

C. pmagic

D. hash

E. file

正確答案: E

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