What is true about the dmesg command? (Choose two correct answers.)
What is true about the dmesg command? (Choose two correct answers.) A. It traces the execution of a command and shows each step the program carries out. B. It sends messages to the command lines of all current user sessions. C. It displays the content of the Linux kernel’s ring buffer. D. It immediately outputs […]
Which of the following outputs comes from the command free?
A. B. C. D. E.
Which of the following commands can be used to resolve a DNS name to an IP address?
Which of the following commands can be used to resolve a DNS name to an IP address? A. dnsname B. dns C. query D. host E. iplookup
What information can be displayed by top?
What information can be displayed by top? A. Existing files, ordered by their size. B. Running processes, ordered by CPU or RAM consumption. C. User accounts, ordered by the number of logins. D. User groups, ordered by the number of members. E. User accounts, ordered by the number of files.
Which of the following Linux distributions allows the team members to apply as much of their Red Hat Enterpris
Members of a team already have experience using Red Hat Enterprise Linux. For a small hobby project, the team wants to set up a Linux server without paying for a subscription. Which of the following Linux distributions allows the team members to apply as much of their Red Hat Enterprise Linux knowledge as possible? A. […]
Which of the following types of bus can connect hard disk drives with the motherboard?
Which of the following types of bus can connect hard disk drives with the motherboard? A. The RAM bus B. The NUMA bus C. The CPU bus D. The SATA bus E. The Auto bus
Reverse DNS assigns hostnames to IP addresses. How is the name of the IP address 198.51.100.165 stored on a DN
Reverse DNS assigns hostnames to IP addresses. How is the name of the IP address 198.51.100.165 stored on a DNS server? A. In the A record for 165.100.51.198.ipv4.arpa. B. In the PTR record for 165.100.51.198.in-addr.arpa. C. In the RNAME record for 198-51-100-165.rev.arpa. D. In the ARPA record for 165.100.51.198.rev. E. In the REV record for […]
What are the differences between hard disk drives and solid state disks? (Choose two correct answers.)
What are the differences between hard disk drives and solid state disks? (Choose two correct answers.) A. Hard disks have a motor and moving parts, solid state disks do not. B. Hard disks can fail due to physical damage, while solid state disks cannot fail. C. Solid state disks can store many times as much […]