1z1-106無料問題集「Oracle Linux 8 Advanced System Administration」

質問 1

Examine this command:
# cryptsetup luksOpen /dev/xvdd1 cryptfs
What happens upon execution?

（A）It creates the /dev/mapper/xvdd1 device mapping file.

（B）It creates the /dev/mapper/cryptfs device mapping file.

（C）It creates the /dev/mapper/xvdd1/cryptfs device mapping file.

（D）It creates the LUKS partition on /dev/xvdd1.

（E）It creates the /dev/mapper/xvdd1-cryptfs device mapping file.

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

Which two are true about using Ksplice?

（A）Ksplice has two clients; each can run in three different modes.

（B）The Ksplice client is freely available to all customers.

（C）Yum cannot upgrade a kernel patched by Ksplice

（D）It can patch the kernel without shutting down the system.

（E）Ksplice can be used without a network connection

正解：D、E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

Examine this udev device naming rule which gets processed successfully:
makefile
KERNEL=="hdb", DRIVER=="ide-disk", SYMLINK+="sparedisk"
Which two statements are true?

（A）The matching device will have the kernel device name /dev/hdb.

（B）The matching device will be named /dev/sparedisk.

（C）Symbolic link /dev/sparedisk is created linking to /dev/hdb and with an ide-disk device driver, thus overwriting existing symbolic links.

（D）Symbolic link /dev/sparedisk is created for a device named /dev/hdb or one that has an ide-disk device driver, whichever is discovered first.

（E）Symbolic link /dev/sparedisk is created for a device named /dev/hdb which has an ide-disk device driver if such a device is discovered.

正解：A、E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

Which two statements are true about the Linux Auditing System?

（A）Auditing modes include permissive, enforcing, and disabled.

（B）Auditing rules can log administrator attempts to access user home directories.

（C）Auditing system call rules can affect system performance depending on the amount of information that is logged.

（D）Auditing includes security policies, each of which includes security rules, or checks, which are checked when you run a security scan.

（E）Auditing can scan for Common Vulnerabilities and Exposures (CVE) and automatically apply needed patches to a system.

正解：B、C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

Examine these commands and output:
# cat /etc/auto.master
/net -hosts
/- auto.direct ro
# cat /etc/auto.direct
/nfs1 host01:/export/share1
/nfs2 -sync host01:/export/share2
/nfs3 host02:/export/share3
Automounter must be used to mount these filesystems. Which mount options will it use?

（A）/nfs1 and /nfs3 are mounted read-only, async while /nfs2 is mounted read-only, sync.

（B）All three filesystems are mounted read-write, sync.

（C）All three filesystems are mounted read-only, async.

（D）/nfs1 and /nfs3 are mounted read-only, async while /nfs2 is mounted read-write, sync.

（E）All three filesystems are mounted read-only, sync.

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

You must add an additional swap device and you add this entry to /etc/fstab:
/.swapfile none swap defaults 0 0
Examine these commands and output:
# dd if=/dev/zero of=/.swapfile bs=1024 count=1048576
1048576+0 records in
1048576+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 4.32499 s, 248 MB/s
# swapon -a
swapon: /.swapfile: insecure permissions 0644, 0600 suggested.
swapon: /.swapfile: read swap header failed
Which two actions must you perform to add this swap device?

（A）Change defaults to user in the /etc/fstab entry.

（B）Assign a label to the .swapfile file by using the swaplabel command.

（C）Use a physical disk partition type of 82 (Linux swap).

（D）Initialize the .swapfile file by using the mkswap command.

（E）Execute swapon -all.

（F）Execute swapon -L swapfile /.swapfile after adding a label.

正解：B、D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

1z1-106 無料問題集「Oracle Linux 8 Advanced System Administration」

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