WGU C851 (Linux Foundations)
Exam Study Guide – Practice
Questions with Verified
Answers. GRADED A+. Latest
2026/2027 Update.
Which of the following programs are web servers? (Choose two.)
A. Apache HTTPD
B. Postfix
C. Curl
D. Dovecot
E. NGINX - Ans✔✔-AE
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. -
Ans✔✔-AE
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. - Ans✔✔-B
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 - Ans✔✔-D
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 - Ans✔✔-D
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. - Ans✔✔-B
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 - Ans✔✔-D
Which of the following outputs comes from the command free?
total used free shared buff/cached available - Ans✔✔-total used free shared
buff/cached available
Exam Study Guide – Practice
Questions with Verified
Answers. GRADED A+. Latest
2026/2027 Update.
Which of the following programs are web servers? (Choose two.)
A. Apache HTTPD
B. Postfix
C. Curl
D. Dovecot
E. NGINX - Ans✔✔-AE
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. -
Ans✔✔-AE
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. - Ans✔✔-B
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 - Ans✔✔-D
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 - Ans✔✔-D
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. - Ans✔✔-B
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 - Ans✔✔-D
Which of the following outputs comes from the command free?
total used free shared buff/cached available - Ans✔✔-total used free shared
buff/cached available
