lplinux Flashcards
What are the differences between hard disk drives and solid state disks?
Hard disks have a motor and moving parts, solid state disks do not. Solid state disks provide faster access to stored date than hard disks
Reverse DNS assigns hostnames to IP addresses. How is the name of the IP address 198.51.100.165 stored on a DNS server?
IN the PTR record for 165.100.51.198.in-addr. arpa.
Which of the follow types of bus can connected hard disks drives with the motherboard
The Auto Bus
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?
CentOS
What information can be displayed by top?
Running processes, ordered by CPU or RAM consumption
Which of the following commands can be used to resolve a DNS name to an IP address
host
Which of the following outputs comes from the command free?
total used free shared buff/cache available
Mem: 16123128 12565680 2011624 412128 1545824 7180416
What is true about the dmesg command?
It displays the content of the Linux kernel ג€™s ring buffer. & It might not display older information because it was overwritten by newer information.
Which of the following outputs could stem from the command last?
root tty2 Wed May 17 21:11 - 21:11 (00:00)
What is the UID of the user root?
0
Which permissions are set on a regular file once permissions have been modified with the command chmod 654 file. txt?
-rw-r-xr–
What is true about the owner of a file?
Each file is owned by exactly one user and one group
Which of the following permissions are set on the /tmp/directory?
rwxrwxrwt
Which command adds the new user tux and creates the user’s home directory with default configuration files?
useradd -m tux
What information is stored in /etc/passwd?
The numerical user ID / The username / The user’s default shell
