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Which are three of the network bonding modes supported in Oracle Linux 8?

A.

Multicast

B.

Round-robin

C.

Split Horizon

D.

802.3ad

E.

Poison Reverse

F.

Active Backup

G.

Passive Backup

Which two statements are true about the proc and sys file systems?

A.

proc contains information about memory and CPUs.

B.

sys contains a list of running processes.

C.

sys contains information about memory and CPUs.

D.

proc contains a list of network drivers.

E.

sys contains a list of mounted devices.

Examine this network configuration:

NAME="ens4"

DEVICE="ens4"

ONBOOT=no

NETBOOT=yes

IPV6INIT=yes

BOOTPROTO=none

IPADDR=192.168.2.5

PREFIX=24

GATEWAY=192.168.2.1

TYPE=Ethernet

Which two statements are true after executing nmcli con mod ens4 ipv4.method auto?

A.

Interface ens4 automatically starts on boot.

B.

BOOTPROTO value is set to dhcp.

C.

ONBOOT value is set to yes.

D.

IPADDR value is considered null.

E.

ONBOOT value is set to dhcp.

F.

Interface ens4 is assigned an IP address of 192.168.2.5.

Which command produces human-readable timestamps in kernel ring buffer messages?

A.

dmesg -t

B.

dmesg -x

C.

dmesg -T

D.

dmesg -W

Which two statements are true about the GRUB 2 bootloader?

A.

Its configuration can be changed by editing /etc/default/grub2 and executing grub2-mkconfig to regenerate grub2.cfg.

B.

It can load many free operating systems directly and chain-load proprietary operating systems.

C.

Its configuration file is /boot/grub2/grub2.conf on BIOS-based systems.

D.

It understands file systems and kernel executable formats, allowing the loading of operating systems without recording the on-disk physical location of the kernel.

Which three are features of the btrfs file system?

A.

Block devices mirroring

B.

Copy-on-write metadata

C.

Cluster file system

D.

Efficient storage for small files

E.

Online resizing

F.

General-purpose volume manager

G.

Automatic defragmentation

Which two features does a user private group provide?

A.

Provision of a unique group.

B.

Capability to create new group users

C.

Capability to execute sudo

D.

Ability for only a group’s users to read files in a new directory

E.

Capability to prevent other users from modifying a file

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.

Initialize the .swapfile file by using the mkswap command.

B.

Execute swapon -all.

C.

Change defaults to user in the /etc/fstab entry.

D.

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

E.

Execute swapon -L swapfile /.swapfile after adding a label.

F.

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