Oracle 1z0-100 問題集

質問 1：
Which four statements correctly describe the contents of the sysfs filesystem?
A. It contains metadata on firmware.
B. It contains metadata on all block devices.
C. It contains kernel parameter files.
D. It contains metadata on system uptime.
E. It contains metadata on device classes.
F. It contains metadata on all loaded modules in the kernel.
正解：A,B,E,F

質問 2：
Examine this /etc/fstab entry:

Identify the actions you must perform to relocate this filesystem permanently to its new mount point?
A. 1, 2, 3, 4, 5 and 6
B. 1, 2, 5 and 6
C. 1, 2, 3, 4, 5, 6 and 7
D. 1, 2, 5, 6 and 7 ^
E. 1, 2 and 6
正解：B

質問 3：
Which three statements are true concerning the IPTABLES Oracle Linux firewall?
A. Input, output, and forward are the rule tables associated with filter.
B. The main rule tables are filter, nat, and mangle.
C. The main rule chains are filter, nat, and mangle.
D. iptables has two main components: the kernel component netfilter and the command-line utility ipchains.
E. PREROUTING, OUTPUT, and POSTROUTING are the chains associated with nat.
F. The default rule table is filter.
正解：B,E,F
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Which two statements are true about administering the use of the Sudo command in Oracle Linux?
A. visudo prompts for an action if there are syntax errors in the /etc/sudoers file after editing.
B. Multiple administrators may edit the /etc/sudoers file simultaneously using vi but only one may save the edited result.
C. Multiple administrators may edit the /etc/sudoers file simultaneously using visudo but only one may save the edited result.
D. Using vi to edit /etc/sudoers opens the file read only.
E. visudo will never save the /etc/sudoers file if there are syntax errors in the file after editing.
正解：A,D

質問 5：
Which three statements are true regarding the use and administration of su and sudo in Oracle Linux? (Choose three.)
A. Using su-test to switch to the test user does not run the test user's login scripts
B. The /etc/sudoers file may be edited to prevent root from executing certain executables unless a password is provided
C. The /etc/sudoers file may be edited to allow a use to execute certain root-owned executables with root privileges
D. The /etc/sudoers file may be edited to prevent a user from using su to switch to another user
E. The /etc/sudoers file may be edited to permit certain executables to be used with root privileges only if they are run on certain hosts
F. A user may use su to start a new shell
正解：B,C,E

質問 6：
What is the default volume or device type for swap space in Oracle Linux, when choosing the "basic storage devices" option during the install? (Choose the best answer.)
A. a Linux Multi Disk (MD) driver device
B. a partition on a flash disk
C. a partition on a Logical Volume Manager Logical (LVM) managed volume
D. a swap file on the root file system
E. a partition on a local hard disk
正解：E

質問 7：
Examine the content of /etc/rc.d:

Which four statements are about the use of these files and directories by UPSTART?
A. /etc/rc.d/rc is executed after /etc/rc.d/rc.local.
B. /etc/rc.d/rc3.d contains links to scripts in /etc/init.d.
C. /etc/rc.d/rc is executed at boot time, to start the appropriate services for the run level defined in
/etc/initab.
D. /etc/rc.d/rc.local is executed at boot time, before the run level processing takes place.
E. /etc/rc.d/rc.sysinit is executed once at boot time, regardless of which run level is set.
F. /etc/rc.d/rc.sysint is executed each time the /sbin/init command is used to change the run level.
G. /etc/rc.d/rc is executed each time the /sbin/init command us used, to change services appropriately for the target run level.
正解：B,C,E,G