Understanding ATM and WDM Technologies

The video tutorial provides an overview of ATM and WDM technologies, explaining their integration and applications. It delves into the specifics of ATM technology, including its asynchronous nature and multiplexing capabilities. The structure of ATM packets is detailed, highlighting the importance of headers and data compression. The tutorial also covers WDM technology and its network topologies, particularly the star topology. Finally, it discusses data transmission and scheduling, emphasizing the importance of efficient data handling in networks.

What is the primary function of ATM technology in data networks?

• To enhance video streaming quality

• To enable efficient switching and multiplexing

• To provide high-speed internet access

• To improve wireless communication

How does ATM handle different types of traffic?

• By using separate cables for each type

• By compressing all data into a single format

• By integrating various data types into a single stream

• By prioritizing video traffic over others

What is the fixed size of an ATM cell?

• 64 bytes

• 128 bytes

• 48 bytes

• 53 bytes

What is the purpose of the header in an ATM cell?

• To enhance data encryption

• To provide routing and control information

• To increase data transmission speed

• To store the entire data content

How does WDM technology enhance ATM networks?

• By reducing the number of required cables

• By increasing the data transmission speed

• By allowing multiple wavelengths for data transmission

• By simplifying network topology

What topology is commonly used in ATM over WDM systems?

• Bus topology

• Mesh topology

• Ring topology

• Star topology

What role does the reservation scheduler play in ATM over WDM systems?

• It monitors network traffic

• It manages user access to the network

• It schedules data transmission times

• It encrypts data for security

How is data prioritization achieved in ATM over WDM systems?

• By using a fixed transmission schedule

• By dynamically adjusting transmission power

• By assigning priority levels to data packets

• By using separate channels for high-priority data

What is the function of comparators in ATM over WDM systems?

• To monitor network performance

• To enhance data encryption

• To determine the best routing path

• To compare data speeds

Why is efficient data management crucial in ATM over WDM systems?

• To enhance user experience

• To simplify network design

• To ensure data integrity and speed

• To reduce network costs