To facilitate subsequent management, a university wants to use double-tagged VLANs. The inner VLAN tag is used to identify users, and the outer VLAN tag is used to identify services. Which VLAN…

The correct answer is C. Standard type, QinQ attribute. Double-Tagged VLANs: Double-tagging involves adding two VLAN tags to a packet: Inner VLAN Tag: Identifies users or devices. Outer VLAN Tag: Identifies services or networks. VLAN Attributes: QinQ: Adds an outer VLAN tag to an already tagged packet, enabling double-tagging…

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Question

To facilitate subsequent management, a university wants to use double-tagged VLANs. The inner VLAN tag is used to identify users, and the outer VLAN tag is used to identify services. Which VLAN attribute should be used?

Options

AStandard type, common attribute
BSmart type, stacking attribute
CStandard type, QinQ attribute
DSmart type, common attribute

How the community answered

(49 responses)

A
2% (1)
B
6% (3)
C
82% (40)
D
10% (5)

Explanation

Double-Tagged VLANs: Double-tagging involves adding two VLAN tags to a packet: Inner VLAN Tag: Identifies users or devices. Outer VLAN Tag: Identifies services or networks. VLAN Attributes: QinQ: Adds an outer VLAN tag to an already tagged packet, enabling double-tagging. Stacking: Similar to QinQ but less commonly used. Common: Supports only single-tag VLANs. Scenario Analysis: The university requires double-tagging for user and service identification. The QinQ attribute is specifically designed for this purpose. The QinQ attribute supports double-tagging, making it the correct choice for this scenario. Thus, the correct answer is C.

Topics

#QinQ VLAN#double-tagged VLAN#VLAN type selection#service identification

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