ALABAMA INFORMATION TECHNOLOGY
CERTIFICATION EXAM PRACTICE EXAM
COVERING GENERAL IT FUNDAMENTALS,
NETWORKING, CYBERSECURITY, CLOUD
COMPUTING, DATABASES, SYSTEMS
ADMINISTRATION, AND
TROUBLESHOOTING.
Which device is primarily used to connect multiple computers
within a local area network (LAN)?
A. Router
B. Switch
C. Modem
D. Firewall
Correct Answer: B. Switch
Rationale: A switch connects devices within a LAN and
forwards Ethernet frames to the appropriate destination.
,Which protocol is commonly used to securely browse
websites?
A. HTTP
B. FTP
C. HTTPS
D. Telnet
Correct Answer: C. HTTPS
Rationale: HTTPS uses TLS encryption to protect
communications between a browser and web server.
What does CPU stand for?
A. Central Processing Unit
B. Computer Processing Utility
C. Central Program User
D. Core Processing Unit
Correct Answer: A. Central Processing Unit
Rationale: The CPU executes instructions and performs
calculations required by computer programs.
Which type of memory is volatile?
A. ROM
,B. SSD
C. RAM
D. Flash memory
Correct Answer: C. RAM
Rationale: RAM loses its stored contents when electrical
power is removed.
Which operating system component manages hardware
resources and provides services to applications?
A. Kernel
B. Browser
C. Compiler
D. Spreadsheet
Correct Answer: A. Kernel
Rationale: The kernel is the core of an operating system and
manages resources such as CPU time, memory, and devices.
What is the primary purpose of a firewall?
A. Increase monitor resolution
B. Filter network traffic
C. Compress files
, D. Create databases
Correct Answer: B. Filter network traffic
Rationale: Firewalls control network traffic according to
defined security rules.
Which technology converts a domain name into an IP address?
A. DHCP
B. DNS
C. FTP
D. SMTP
Correct Answer: B. DNS
Rationale: DNS translates human-readable domain names into
IP addresses.
What does DHCP typically provide to network clients?
A. Encryption keys
B. IP configuration
C. File compression
D. User passwords
Correct Answer: B. IP configuration
CERTIFICATION EXAM PRACTICE EXAM
COVERING GENERAL IT FUNDAMENTALS,
NETWORKING, CYBERSECURITY, CLOUD
COMPUTING, DATABASES, SYSTEMS
ADMINISTRATION, AND
TROUBLESHOOTING.
Which device is primarily used to connect multiple computers
within a local area network (LAN)?
A. Router
B. Switch
C. Modem
D. Firewall
Correct Answer: B. Switch
Rationale: A switch connects devices within a LAN and
forwards Ethernet frames to the appropriate destination.
,Which protocol is commonly used to securely browse
websites?
A. HTTP
B. FTP
C. HTTPS
D. Telnet
Correct Answer: C. HTTPS
Rationale: HTTPS uses TLS encryption to protect
communications between a browser and web server.
What does CPU stand for?
A. Central Processing Unit
B. Computer Processing Utility
C. Central Program User
D. Core Processing Unit
Correct Answer: A. Central Processing Unit
Rationale: The CPU executes instructions and performs
calculations required by computer programs.
Which type of memory is volatile?
A. ROM
,B. SSD
C. RAM
D. Flash memory
Correct Answer: C. RAM
Rationale: RAM loses its stored contents when electrical
power is removed.
Which operating system component manages hardware
resources and provides services to applications?
A. Kernel
B. Browser
C. Compiler
D. Spreadsheet
Correct Answer: A. Kernel
Rationale: The kernel is the core of an operating system and
manages resources such as CPU time, memory, and devices.
What is the primary purpose of a firewall?
A. Increase monitor resolution
B. Filter network traffic
C. Compress files
, D. Create databases
Correct Answer: B. Filter network traffic
Rationale: Firewalls control network traffic according to
defined security rules.
Which technology converts a domain name into an IP address?
A. DHCP
B. DNS
C. FTP
D. SMTP
Correct Answer: B. DNS
Rationale: DNS translates human-readable domain names into
IP addresses.
What does DHCP typically provide to network clients?
A. Encryption keys
B. IP configuration
C. File compression
D. User passwords
Correct Answer: B. IP configuration
