Free Oracle 1z1-106 Exam Dumps Questions & Answers

Which two statements are true about the GRUB 2 bootloader?

• A.It can load many free operating systems directly and chain-load proprietary operating systems.
• B.Its configuration can be changed by editing /etc/default/grub2 and executing grub2-mkconfig to regenerate grub2.cfg.
• 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.

Examine these commands, which execute successfully:
# firewall-cmd --zone=public --add-service=cockpit --permanent
# firewall-cmd --zone=public --add-port=1313/tcp --permanent
# firewall-cmd --reload
Which are true upon execution?

• A.The custom Cockpit service configuration file is updated in /usr/lib/firewalld/services.
• B.The Cockpit service is added only to the public zone.
• C.Runtime firewall configuration is not lost when the firewalld process is restarted or the system is rebooted.
• D.Egress traffic is allowed for the Cockpit service only when using port 1313.
• E.Port 1313 blocks all traffic for the public zone except for ingress traffic to the Cockpit service.

Which two statements are true about kernel boot parameters?

• A.Boot parameters are defined as values for the GRUB_CMDLINE_LINUX directive in the /etc/default
  /grub file.
• B.Boot parameters defined as values for the GRUB_BOOT command-line interface are persistent and apply to all subsequent reboots.
• C.Each kernel version's boot parameters are stored in independent configuration files in/boot/loader
  /entries.
• D.Parameters passed to the kernel from the GRUB 2 menu are persistent and apply to all subsequent reboots.

Which two methods of changing kernel parameters can you use to modify values for the running system?

• A.Issuing the sysctl -w command to write values to specific files in the /sys directory.
• B.Using the echo command to write values to specific files in the /proc/sys directory.
• C.Using the echo command to write values to specific files in the /sys directory.
• D.Adding to or modifying parameters and values in the /etc/sysctl.conf file followed by issuing the sysctl - p command.
• E.Issuing the sysctl -w command to write values to specific files in the /proc/sys directory.

The ss command was invoked with options to:
* limit output to all listening and non-listening TCP ports
* display ports instead of the protocols that typically use those ports
* display all available internal TCP information
* display only connections whose source or destination port is 80
Which two results are produced by the command?

• A.ESTAB 0 0 10.12.18.92:50384 169.254.169.254:80 cubic wscale:9,7 rto:201 rtt: 0.226/0.113 ato:40 mss:8948 pmtu:9000 rcvmss:1728 advmss:8948 cwnd:10 bytes_sent:142 bytes_acked:143 bytes_received:1728 segs_out:4 segs_in:3 data_segs_out:1 data_segs_in:1 send 3167433628bps lastsnd:
  11351 lastrcv: 11351 lastack:11351 pacing_rate 6334867256bps delivery_rate 504112672bps delivered:
  2 app_limited rcv_space:62720 rcv_ssthresh:56588 minrtt:0.142
• B.LISTEN 0 511 *:80 *:* cubic cwnd:10
• C.icmp6 UNCONN 0 0 *:58 *:*
• D.UNCONN 0 0 [::1]:323 [::]:*
• E.tcp CLOSE-WAIT 32 0 server.example.com:44732 12.21.0.15:https