WGU C851 (Linux Foundations)
Study online at https://quizlet.com/_9c1zam
1. Which of the following programs are web servers? AE
(Choose two.)
A. Apache HTTPD
B. Postfix
C. Curl
D. Dovecot
E. NGINX
2. What are the differences between hard disk drives and AE
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.
3. Reverse DNS assigns hostnames to IP addresses. How B
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.
4. Which of the following types of bus can connect hard D
disk drives with the motherboard?
, WGU C851 (Linux Foundations)
Study online at https://quizlet.com/_9c1zam
A. The RAM bus
B. The NUMA bus
C. The CPU bus
D. The SATA bus
E. The Auto bus
5. Members of a team already have experience using Red D
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 distribu-
tions 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
6. What information can be displayed by top? B
A. Existing files, ordered by their size.
B. Running processes, ordered by CPU or RAM con-
sumption.
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.
7. Which of the following commands can be used to re- D
solve a DNS name to an IP address?
A. dnsname
B. dns
C. query
, WGU C851 (Linux Foundations)
Study online at https://quizlet.com/_9c1zam
D. host
E. iplookup
8. Which of the following outputs comes from the com- total used free shared
mand free? buff/cached available
total used free shared buff/cached available
9. What is true about the dmesg command? (Choose CE
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.
Correct Answer: CE
10. Which of the following outputs could stem from the E
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.ex-
ample.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)
Study online at https://quizlet.com/_9c1zam
1. Which of the following programs are web servers? AE
(Choose two.)
A. Apache HTTPD
B. Postfix
C. Curl
D. Dovecot
E. NGINX
2. What are the differences between hard disk drives and AE
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.
3. Reverse DNS assigns hostnames to IP addresses. How B
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.
4. Which of the following types of bus can connect hard D
disk drives with the motherboard?
, WGU C851 (Linux Foundations)
Study online at https://quizlet.com/_9c1zam
A. The RAM bus
B. The NUMA bus
C. The CPU bus
D. The SATA bus
E. The Auto bus
5. Members of a team already have experience using Red D
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 distribu-
tions 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
6. What information can be displayed by top? B
A. Existing files, ordered by their size.
B. Running processes, ordered by CPU or RAM con-
sumption.
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.
7. Which of the following commands can be used to re- D
solve a DNS name to an IP address?
A. dnsname
B. dns
C. query
, WGU C851 (Linux Foundations)
Study online at https://quizlet.com/_9c1zam
D. host
E. iplookup
8. Which of the following outputs comes from the com- total used free shared
mand free? buff/cached available
total used free shared buff/cached available
9. What is true about the dmesg command? (Choose CE
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.
Correct Answer: CE
10. Which of the following outputs could stem from the E
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.ex-
ample.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)
