World of Computer Networking Your CCNA start - Network Interface Controller (NIC)

The video tutorial covers the physical layer of the CPAP model, focusing on network interface cards (NICs) and their role in enabling communication between devices. It explains different types of NICs, including wired and wireless, and their installation in various devices like laptops, desktops, and network equipment such as switches and access points. The tutorial also discusses the importance of standardized ports and interfaces for connectivity and introduces the concept of MAC addresses as unique hardware identifiers for NICs.

What is the primary function of a network interface card (NIC)?

• To display graphics

• To enable communication between devices

• To provide power to devices

• To store data

Which of the following devices typically have NICs preinstalled?

• Televisions

• Printers

• Mobile phones and laptops

• Desktop computers

What type of connection does an RJ45 port support?

• Wireless connection

• Fiber optic connection

• Bluetooth connection

• Copper cable connection

How can multiple NICs be utilized in network devices like switches?

• By using them for different network protocols

• By combining them into a single port

• By installing them in separate devices

• By assigning each NIC to a separate port

What is a MAC address?

• A unique hardware address for a NIC

• A type of network cable

• A software application for networking

• A wireless communication protocol