Program Explanation CoS: Class of Service (CoS) is same as the Quality of Service (QoS) but with the only distinction is that the term QoS refers to the techniques that is implemented on all the layers of OSI whereas the term CoS refers to the technique that is implemented on only layer 2 of OSI model on Ethernet frames. It is used to efficiently route the Ethernet traffic between VLANs. The tagged frames contains 3-bit field in the frame header called as Priority Code Point (PCP)...

Data link layer (Layer 2): It makes the transmission of data reliable provided by the physical layer. For reliable transfer, it divides the data into data frames and transmits through the communication channel. At the destination, it checks for the transmission error and send the acknowledgement to the source. Virtual LAN Virtual LAN is a logical sub group of the Local Area Network (LAN). Creating a network within a network is called virtual LAN. The workstations in the network are segmented or grouped based on the requirement. Virtual LAN is an application of the dedicated segment network and switch. The switches and its software’s are used to create the virtual LAN. The response time is higher in the virtual LAN with lower amount of collisions.

EBK NETWORK+ GUIDE TO NETWORKS

8th Edition

ISBN: 9781337671644

Author: ANDREWS

Publisher: CENGAGE LEARNING - CONSIGNMENT

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Question

Chapter 11, Problem 14RQ

Program Plan Intro

Data link layer (Layer 2):

It makes the transmission of data reliable provided by the physical layer.

For reliable transfer, it divides the data into data frames and transmits through the communication channel.

At the destination, it checks for the transmission error and send the acknowledgement to the source.

Virtual LAN

Virtual LAN is a logical sub group of the Local Area Network (LAN).

Creating a network within a network is called virtual LAN.

The workstations in the network are segmented or grouped based on the requirement.

Virtual LAN is an application of the dedicated segment network and switch.

The switches and its software’s are used to create the virtual LAN.

The response time is higher in the virtual LAN with lower amount of collisions.

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