Army ITCL Study Test
What is a SQL database? - answer It is a collection of tables that stores a specific set of
structured data.
What is a firewall? - answer It is a network security system that monitors and controls
incoming and outgoing network traffic based on predetermined security rules.
What is a computer virus? - answer It is a type of computer program that, when
executed, replicates itself by modifying other computer programs and inserting its own
code.
What is a trojan in terms on computer security? - answerIt is a type of malware that is
often disguised as legitimate software.
What is malware? - answerIt is any software intentionally designed to cause damage to
a computer, server, client, or computer network.
What are the different bit sizes? - answer1 Byte = 8 bits
1 Kilobyte = 1024 Bytes
1 Megabyte = 1024 Kilobytes
1 Gigabyte = 1024 Megabytes
1 Terabyte = 1024 Gigabytes
What are the five TCP/IP layers? - answer1. Physical Network
2. Data Link
3. Internet
4. Transport
5. Application
What are the seven OSI layers? - answer1. Physical
2. Data Link
3. Network
4. Transport
5. Application
6. Session
7. Presentation
What is an IP address? - answerIt is a numerical label assigned to each device
connected to a computer network that uses the Internet Protocol for communication.
What is a SQL database? - answer It is a collection of tables that stores a specific set of
structured data.
What is a firewall? - answer It is a network security system that monitors and controls
incoming and outgoing network traffic based on predetermined security rules.
What is a computer virus? - answer It is a type of computer program that, when
executed, replicates itself by modifying other computer programs and inserting its own
code.
What is a trojan in terms on computer security? - answerIt is a type of malware that is
often disguised as legitimate software.
What is malware? - answerIt is any software intentionally designed to cause damage to
a computer, server, client, or computer network.
What are the different bit sizes? - answer1 Byte = 8 bits
1 Kilobyte = 1024 Bytes
1 Megabyte = 1024 Kilobytes
1 Gigabyte = 1024 Megabytes
1 Terabyte = 1024 Gigabytes
What are the five TCP/IP layers? - answer1. Physical Network
2. Data Link
3. Internet
4. Transport
5. Application
What are the seven OSI layers? - answer1. Physical
2. Data Link
3. Network
4. Transport
5. Application
6. Session
7. Presentation
What is an IP address? - answerIt is a numerical label assigned to each device
connected to a computer network that uses the Internet Protocol for communication.
