DC_deck_4745982 (1)

Question 1

I’m a coordinator, matchmaker and guide. I can work with or without network components and still deliver same effect. Who am I? Pg.32

Answer 1

Application Layer

Question 2

On this layer, data is translated and formatted, encrypted and decrypted, compressed and decompressed before it can be applied. Name this layer. Pg. 33

Answer 2

Presentation

Question 3

At this layer applications’ data is kept segregated from other applications’ data. I offer three distinct modes of communication. What is the layer and modes? Pg.33

Answer 3

SessionSimplex, Half and full duplex

Question 4

What is created before a successful transfer of data takes place between a sender and destination? Pg.34

Answer 4

A virtual circuit

Question 5

What are the steps of synchronization during a virtual circuit connection setup? Pg.34

Answer 5

SYN>SYN/ACK>ACK-data transfer

Question 6

This layer could be considered the designated driver of data from sender to destination and back. This can be virtually or logically, all while maintaining data integrity.Pg.35

Answer 6

Transport layer using flow control to avoid jams and bottlenecks.

Question 7

As segments of data are transferred between peer machines and the destination machine becomes flooded with segments of data what mechanism is used to help with the flow? Pg.36

Answer 7

A buffer and a ready and not ready signal that signals the sender stop or resume transmission.

Question 8

What could a host do to help improve a communication session? Pg.37

Answer 8

Decrease the size of the window