What is CIDR? Mention its advantages.

CIDR Classless Inter-Domain Routing is a method of allocating IP address 
Adavantage:Instead of using fixed network classes, CIDR uses a prefix length to specify how many bits belong to the network portion of an IP address

What is a physical server?

A physical server is a real hardware machine that runs an operating system and applications. It provides CPU, memory, storage, and network resources to users or applications.

What are the advantages & disadvantages of physical infrastructure?

Pros:
Physical infrastructure gives us full control over the servers and data.
Cons:
But it is costly because we need to buy hardware, maintain it, and handle power, cooling, and repairs.

What is a data center?

A data center is a place where servers and other networking devices are kept. It is used to store data, run applications, and manage services for users and businesses.

What are the main components of physical infrastructure?

The main components of physical infrastructure are:

Servers
Storage devices
Networking devices (Routers and Switches)
Data Centers
Power supply and Backup systems
Cooling systems
Cables and Racks
These components work together to provide a stable and reliable IT environment.