81. Which of the following is not a type of server redundancy technology?
a. Clustering
b. RAID
c. Backup
d. Replication
82. Which of the following is a type of server hardware used for enterprise storage systems?
a. NAS server
b. SAN server
c. Blade server
d. GPU server
83. Which of the following is not a type of server operating system?
a. Ubuntu Server
b. Windows Server
c. Fedora
d. Red Hat Enterprise Linux
84. Which of the following is a type of server software used for file servers?
a. MySQL
b. Apache Tomcat
c. Microsoft SQL Server
d. Samba
85. Which of the following is not a type of server virtualization technology?
a. Xen
b. VirtualBox
c. Docker
d. Apache HTTP Server