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Which characteristics apply to multilayer switching? (Choose three.)
- Uses CPU-based packet forwarding
- Performs collision detection
- Provides isolation of the collision domain
- Provides Network-layer and Transport-layer access controls
- Determines the forwarding path based on the Network layer address
Explanation:
Multilayer switching characteristics include determining the forwarding path based on the Network layer address (Layer 3), providing isolation of the collision domain (Layer 2); and providing Network-layer and Transport-layer access controls (Layers 3 and 4).
Multilayer switching combines the functionalities of Layer 2 switching and Layer 3 switching. Layer 3 switching is routing performed by hardware, specifically by utilizing application-specific integrated circuits (ASICs). The Layer 3 switch can perform all of the basic operations of traditional routers, including the following:
- Path selection based on the packet’s Layer 3 protocol information
- Layer 3 packet validation
- Flow accounting (Layers 3 and 4)
- Layer 3-based access controls and security
In contrast to Layer 2 switches, which provide the benefits of bridging, Layer 3 switches offer another high-performance packet switching solution.
CPU- based packet forwarding and collision detection are not unique characteristics of multilayer switching. CPU-based packet forwarding is not a concept used by routers or switches. Collision detection is a characteristic of Ethernet, which is not unique to multilayer switching.
Objective:
Layer 2 Technologies
Sub-Objective:
Configure and verify switch administration
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