IST-190 FINAL EXAM RHEL9 QUESTIONS AND
ANSWERS
What is the RHEL/CentOS Web Console and why is it important? - Answers - It is a
web-based management interface used by Linux administrators to manage and monitor
servers.
What is the default TCP port for the RHEL Web Console? - Answers - 9090
What command is used to open the Web Console port in firewalld? - Answers - sudo
firewall-cmd --permanent --add-service=cockpit
Why is the Web Console a useful troubleshooting tool? - Answers - It allows you to
monitor basic system statistics, inspect system logs, and gather additional information
from the command-line interface.
What is the purpose of the Red Hat Customer Portal? - Answers - It provides customers
with access to documentation, downloads, tools, and technical expertise.
What are Customer Portal Labs? - Answers - A collection of web-based applications
and tools designed to help improve performance, diagnose issues, identify security
problems, and optimize configurations.
What is the Red Hat Product Security Center? - Answers - A resource providing
information about high-profile security issues, access to the Red Hat CVE Database,
the Red Hat Blog security channel, and security response processes.
What is the redhat-support-tool? - Answers - A text-based command-line interface that
allows users to search Knowledgebase articles and file support cases.
What information should be gathered before submitting a Red Hat support bug report? -
Answers - A definition of the problem, relevant background information, and the
determined severity level.
Define Red Hat Support Severity 1 (Urgent). - Answers - Halting business operations
with no procedural workarounds.
Define Red Hat Support Severity 2 (High). - Answers - Functioning software but
production is severely reduced with no procedural workarounds.
Define Red Hat Support Severity 3 (Medium). - Answers - Medium to low impact on
business production environments; business functions with a procedural workaround;
causes problems with migrating projects into production.
, Define Red Hat Support Severity 4 (Low). - Answers - Low to no impact on business,
performance, or system function; involves medium to low impact on business for
development environments.
What is a sosreport? - Answers - A report that includes diagnostic information, log files,
configuration details, and system information.
What is Red Hat Insights? - Answers - A tool that uses predictive analytics to help
identify and remediate threats to security, performance, and availability, and provides
system stability.
What are the primary benefits of using Red Hat Insights? - Answers - It helps
proactively identify, prioritize, and resolve issues; it is tailored to each system; and it is
easy to deploy and scale without changing infrastructure.
What is the Linux file system? - Answers - A hierarchy of directories which store
information and data.
What is the advantage of the way Linux manages its file systems? - Answers - It
presents a collection of file systems on different storage devices as one set of files on
one big storage device.
What does the df -H command do? - Answers - It allows you to view the file systems on
the host machine.
What does the du -h /var/log command do? - Answers - It displays a disk usage report
for the /var/log directory.
What does the /dev/sdb3 device represent on a Linux server? - Answers - It is the 3rd
partition on the 2nd SATA drive.
What is a UUID and why is it important in RHEL? - Answers - A universally unique
identifier; it is important because each file system is associated with a unique UUID for
management.
What does the lsblk command do in RHEL? - Answers - It lists the details of a specified
block device or all available devices.
What are the two required arguments for the mount command? - Answers - The file
system to mount and the directory to use as the mount point.
What is a mount point? - Answers - An empty directory used to access a mounted file
system.
ANSWERS
What is the RHEL/CentOS Web Console and why is it important? - Answers - It is a
web-based management interface used by Linux administrators to manage and monitor
servers.
What is the default TCP port for the RHEL Web Console? - Answers - 9090
What command is used to open the Web Console port in firewalld? - Answers - sudo
firewall-cmd --permanent --add-service=cockpit
Why is the Web Console a useful troubleshooting tool? - Answers - It allows you to
monitor basic system statistics, inspect system logs, and gather additional information
from the command-line interface.
What is the purpose of the Red Hat Customer Portal? - Answers - It provides customers
with access to documentation, downloads, tools, and technical expertise.
What are Customer Portal Labs? - Answers - A collection of web-based applications
and tools designed to help improve performance, diagnose issues, identify security
problems, and optimize configurations.
What is the Red Hat Product Security Center? - Answers - A resource providing
information about high-profile security issues, access to the Red Hat CVE Database,
the Red Hat Blog security channel, and security response processes.
What is the redhat-support-tool? - Answers - A text-based command-line interface that
allows users to search Knowledgebase articles and file support cases.
What information should be gathered before submitting a Red Hat support bug report? -
Answers - A definition of the problem, relevant background information, and the
determined severity level.
Define Red Hat Support Severity 1 (Urgent). - Answers - Halting business operations
with no procedural workarounds.
Define Red Hat Support Severity 2 (High). - Answers - Functioning software but
production is severely reduced with no procedural workarounds.
Define Red Hat Support Severity 3 (Medium). - Answers - Medium to low impact on
business production environments; business functions with a procedural workaround;
causes problems with migrating projects into production.
, Define Red Hat Support Severity 4 (Low). - Answers - Low to no impact on business,
performance, or system function; involves medium to low impact on business for
development environments.
What is a sosreport? - Answers - A report that includes diagnostic information, log files,
configuration details, and system information.
What is Red Hat Insights? - Answers - A tool that uses predictive analytics to help
identify and remediate threats to security, performance, and availability, and provides
system stability.
What are the primary benefits of using Red Hat Insights? - Answers - It helps
proactively identify, prioritize, and resolve issues; it is tailored to each system; and it is
easy to deploy and scale without changing infrastructure.
What is the Linux file system? - Answers - A hierarchy of directories which store
information and data.
What is the advantage of the way Linux manages its file systems? - Answers - It
presents a collection of file systems on different storage devices as one set of files on
one big storage device.
What does the df -H command do? - Answers - It allows you to view the file systems on
the host machine.
What does the du -h /var/log command do? - Answers - It displays a disk usage report
for the /var/log directory.
What does the /dev/sdb3 device represent on a Linux server? - Answers - It is the 3rd
partition on the 2nd SATA drive.
What is a UUID and why is it important in RHEL? - Answers - A universally unique
identifier; it is important because each file system is associated with a unique UUID for
management.
What does the lsblk command do in RHEL? - Answers - It lists the details of a specified
block device or all available devices.
What are the two required arguments for the mount command? - Answers - The file
system to mount and the directory to use as the mount point.
What is a mount point? - Answers - An empty directory used to access a mounted file
system.
