"Firewall is the security devices. A Firewall is used to stop the attacks on the organizations. Firewall are of three types:

1. Packet Filter Firewall

2. Stateful Firewall

3. Application Layer Gateway"

DHCP is the dynamic host control protocol. it works on DORA process. Dora stands for Discover, Offer, Request, and Acknowledgment. DHCP assigns automatic IP addresses to the hosts.

here you will find the TOP 50 interview questions and answers based on the expert's views and latest industry trends. Ex. What is LAN?, What is WAN? What is DHCP?

"OSI is the Open Systems Interconnection model. It defines the standards of communication within the network. OSI has 7 layers:

1. Application

2. Presentation

3. Session

4. Transport

5. Network

6. Data Link

7. Physical"

"When a group of two or more computers joins together to share the information and resources is known as networking.

Types of Networks:

1. Local Area Network

2. Wide Area Network"

"IP address is the Internet Protocol addressing scheme. It is used for the logical addressing of the networks and the hosts within the network.

Types of IP Addresses:

1. Public IP Address

2. Private IP Address

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