1Z0-105 Real Exam Questions and Verified Answers

Question 1 Multiple choice

Which three situations can result in a kernel panic if the required paramaters are set appropriately? (Choose three.)

A
panic if disk I/O rate exceeded an administrator-specified limit
B
panic if a task hangs on disk read for more than an administrator-specified limit
C
panic when CPU utilization remains at 100% for more than an administrator-specified limit
D
panic when out of memory
E
panic if a task hangs on disk write for more than an administrator-specified limit
F
panic if network I/O rate exceeds an administrator-specified limit.

Show answer and explanation

Correct answers: A, B, C

Question 2 Multiple choice

Which three statements are true about accessing Windows shares from Linux with SAMBA on Oracle Linux?

A
The findsmb utility queries a file to find SAMBA servers.
B
The username required to access the SAMBA shares on Windows may be specified in the mount command.
C
FTP may be used to access SAMBA shares on Windows.
D
The password required to access SAMBA shares on Windows may be specified in the mount command.
E
The smbtree utility queries a file to find SAMBA servers.
F
The smbclient utility uses a lowercase version of the environment variable USER or LOGNAME if the username is not provided on the command line.
G
The username and password required to access SAMBA shares on Windows may be specified in /etc/ fstab.

Show answer and explanation

Correct answers: A, E, F

Explanation

References:
http://docs.oracle.com/cd/E37670_01/E41138/html/ol_about_samba.html#idm139784792480512

Question 3 Multiple choice

What are two ways to invoke the rescue procedure for Oracle Linux while booting from the installation media?

A
Press the Esc key on the Oracle Linux Boot Menu screen.
B
Press the Esc key on the grub loader menu.
C
selecting "Rescue Installed System" on the Oracle Linux Boot Menu screen.
D
selecting "Rescue Installed System" on the grub loader menu.
E
Press the Shift+Ctrl keys on the grub loader menu.
F
Press the Shift+Ctrl keys on the Oracle Linux Boot Menu screen.

Show answer and explanation

Correct answers: C, F

Question 4 Single choice

What is function of the System Security Service Daemon (SSSD)?

A
It permits single-user accounts by maintaining credentials for back-end systems on behalf of local users.
B
It enables fingerprint reader support for Kerberos clients.
C
It enables Smart Card Authentication for Kerberos clients.
D
It permits Kerberos authentication to be done offline by caching user identities.

Show answer and explanation

Correct answer: A

Question 5 Single choice

Which statement is true about configuring a nameserver in Oracle Linux?

A
If it is a primary nameserver, it must be an authoritative nameserver for all zones.
B
If it is a recursive nameserver, it must be a cache-only nameserver for all zones.
C
It may be authoritative for some zones and cache-only for other zones.
D
If it is a secondary nameserver, it must be an authoritative nameserver for all zones.
E
If it is a secondary nameserver, it must copy zone data from a primary nameserver.

Show answer and explanation

Correct answer: A

Question 6 Multiple choice

Which two can be selected when using rescue mode in Oracle Linux? (Choose two.)

A
X server for the GUI rescue interface
B
Additional Network Interfaces
C
Additional Disk discovery
D
Keyboard Type

Show answer and explanation

Correct answers: B, D

Explanation

References:
http://it-toolkit.blogspot.com/2015/09/boot-oracle-linux-rescue-mode.html

Question 7 Multiple choice

Which three features are included in the btrfs file system? (Choose three.)

A
general-purpose volume manager
B
online defragmentation
C
block devices mirroring
D
cluster file system
E
online resizing
F
transparent compression

Show answer and explanation

Correct answers: B, E, F

Explanation

References:
https://docs.oracle.com/cd/E37670_01/E37355/html/ol_about_btrfs.html#

Question 8 Single choice

Examine the output of the command:

lssubsys -am

devices
freezer
net_cls
perf_event
hugetlb

Now the lssubsys command is executed and new output is generated:

ssubsys am

ssubsys -am

devices
perf_event
hugetlb

Which command or sequence of commands is correct?

A
mkdir -p /cgroup/C; mount -t cgroup -o freezer C /cgroup/C; mount -t cgroup -o remount, freezer,
net_cls C /cgroup/C
B
mkdir -p /cgroup/C; mount -o freezer, net_cls cgroup /cgroup/C
C
mkdir -p /cgroup/C; mount -t cgroup -o freezer freezer /cgroup/C; mount -t cgroup -o net_cls net_cls /
cgroup/C
D
mkdir -p /cgroup/C; mount -t cgroup -o freezer, net_cls /cgroup/c

Show answer and explanation

Correct answer: C

Question 9 Single choice

Examine the D scrypt:

syscall::read:entry,
syscall::write:entry
/pid == $1/
{
ts[probefunc] = timestamp;
}
syscall::read:return,
syscall::write:return
/pid == $1 && ts[probefunc] != 0/
{
printf("%d nsecs", timestamp ?ts[probefunc]);
}

Which statement is true about this script?

A
It produces aggregations of system calls made by the process whose PID is passed as a command-line argument represented by $1. You see which system calls are issued, and how many times, over a fixed interval.
B
It produces elapsed times for reads and writes to the entry and returns DTrace probes for the process whose PID is passed as a command-line argument represented by $1.
C
It produces elapsed times between entry and return of read and write system calls for the process whose PID is passed as the first command-line argument to the D script, represented by $1.
D
It produces a measure of useful time spent in read and write system calls for the process whose PID is passed as a command-line argument represented by $1.

Show answer and explanation

Correct answer: A

Question 10 Single choice

Examine the configuration steps 1 through 5:

1 Discover iSCSI targets available to the client system.
2 Establish iSCSI sessions.
3 Start the iscsi initiator daemon.

4 Create iSCSI interfaces.

Which option represents the correct order for iSCSI client configuration?

A
1, 3, 4, 2
B
3, 4, 1, 2
C
1, 2, 3, 4
D
4, 3, 1, 2

Show answer and explanation

Correct answer: A