SUSE Certified Administrator (SCA) in Enterprise Linux sca_sles15 Exam Dumps

The -U option will install a package whether or not a previous version of the package is already installed. If a previous version exists, it will be upgraded. The -F option will install a package only if a previous version of the package is already installed. It will not install a new package.References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-sw-cl.html#sec-rpm-commands

The command that gives you a real-time view of the processes running on your system by giving you a continuously updated list is top. The top command will display various information about system performance and resource usage, such as CPU load, memory usage, swap usage, etc., as well as a list of processes sorted by CPU utilization by default. You can use various keyboard commands to interact with top and change its behavior and output. References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-cli-processes.html#sec-cli-processes-top

https://documentation.suse.com/ko-kr/sles/15-SP1/html/SLES-all/cha-network.html

The file that provides local name resolution is /etc/hosts. This file contains mappings of hostnames to IP addresses for hosts on the local network or hosts that are frequently accessed. The system will consult this file before querying DNS servers when resolving hostnames. This can improve performance and security, as well as provide fallback in case DNS servers are unavailable. References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-network-dns.html#sec-network-dns-hosts

The command and options to remove repository number 4 are zypper rr 4. This command will remove the repository with the alias or number 4 from the system. It will also delete anyassociated cache data and metadata. To list the repositories on the system, you can use zypper lr or zypper repos. References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-zypper.html#sec-zypper-repos