CSMA is an example of

Slotted ALOHA is more effictive than pure ALOHA.

CSMA/CD has better performance than ALOHA.

Switch is a ..... layer device

Router is a ..... layer device

Error detection and end-to-end flow control are the responsibilities of

Bridge device is operated in which layer?

If we have 100 Mb/s link, and each user need 1000Kb/s to be active in 10percent of time then How many users will be supported in Circuit switching?

Physical address exists at ..... layer, while logical address is added by .... layer.

A signal can be neither energy nor power signal.

A Function of unit area.

An increase in bandwidth ..... BER.

In LANs and Wans We use -------to describe their capabilities.

international coverage

TCP/IP has ____ layers , OSI has ___ layers

___________ Contain Hardware address of the sending and Receiving endpoint

Random Signal is

If at time = 3 causal signal multiplies with Gama signal (Energy value = 10) then the result energy signal equal: (امتحان 2023)

Data is encapsulated by the ...... layer with header and a trailer to from a frame

Width of frequency spectrum

In baseband communication, the data signal undergoes which of the following processes?