ENSA 9.5.5 Marking at L2

Front

What is the IEEE standard that supports VLAN tagging at Layer 2 on Ethernet networks?

Back

802.1Q

Front

Which fields are added to the Ethernet Frame when 802.1Q is implemented?

Back

TPID and TCI

Front

What does the 802.1Q standard include in the TPID field for QoS prioritization?

Back

IEEE 802.1p

Front

How many bits are used by the 802.1p standard in the TCI field for priority marking?

Back

3 bits

Front

What is the name of the field that uses the first three bits in the TCI field for priority marking?

Back

PRI field

Front

How many levels of priority can a Layer 2 Ethernet frame be marked with using the 802.1p standard?

Back

8 levels

Front

What does the acronym CoS stand for in the context of 802.1Q?

Back

Class of Service

Front

Which layer of the OSI model does the 802.1Q standard operate at?

Back

Layer 2

Front

What is the primary purpose of VLAN tagging in Ethernet networks?

Back

To separate network traffic