LPI Quiz

What are the differences between hard disk drives and solid state disks? (Choose two.)

• 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 data as hard disk drives

• D. /dev/sda is a hard disk device while /dev/ssda is a solid state disk.

• E. Solid state disks provide faster access to stored data 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?

• 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 arpa.in-addr.198.51.100.165.

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

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. Ubuntu Linux LTS

• B. Raspbian

• C. Debian GNU/Linux

• D. CentOS

• E. openSUSE

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 commands can be used to resolve a DNS name to an IP address?

• A. dnsname

• B. dns

• C. query

• D. host

• E. iplookup

Which of the following outputs comes from the command free?

• A. 21:04:15 up

  14 days, 7:43, 3 users, load average: 0.89, 1.00, 0.99

• B. avg-cpu: Suser

  34.04

  §nice

  0.03

  §system Siowait §steal Sidle

  13.88

  1.06

  0.00

  50.99

• C. Filesystem

  Size

  /dev/mapper/vg_ssd- 25G

  root

  Used

  20G

  Avail Use§ Mounted

  on

  3.6G

  85§ /

• D. 1.8M /tmp

• E. total

  used

  free

  shared

  Mem: 16123128 12565680 2011624 412128

  buff/cache available

  1545824

  7180416

What is true about the domes command? (Choose two)

• 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 all new messages written to the system journal.

• E. It might not display older information because it was overwritten by newer information.

Which of the following outputs could stem from the command last?

• A. 1 ls 2 cat text.txt 3 logout

• B. Password for user last changed at Sat Mar 31 16:38:57 EST 2018

• C. Last login: Fri Mar 23 10:56:39 2018 from server.example.com

• D. EXT4-fs (dm-7): mounted filesystem with ordered data mode. Opts: (null)

• E. root tty2 Wed May 17 21:11 - 21:11 (00:00)

What is the UID of the user root?

• A. 1

• B. -1

• C. 255

• D. 65536

• E. 0