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Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?
- ASwitch
- BNIC
- CHub
- DRepeater
- ERJ45 transceiver 1). 1 only 2). 1 and 3 3). 3 and 4 4). 5 only
Answer not set
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Physical layer (Layer 1): Hubs, Repeaters
Data-link layer (Layer 2): Bridges, Modems, Network cards, 2-layer switches.
Network layer (Layer 3): Routers, 3-layer switches.
Transport layer (Layer 4): Gateways, Firewalls.
Session layer (Layer 5): Gateways, Firewalls, PC’s.
Presentation layer (Layer 6): Gateways, Firewalls, PC’s.
Application layer (Layer 7): Gateways, Firewalls, all end devices
Data-link layer (Layer 2): Bridges, Modems, Network cards, 2-layer switches.
Network layer (Layer 3): Routers, 3-layer switches.
Transport layer (Layer 4): Gateways, Firewalls.
Session layer (Layer 5): Gateways, Firewalls, PC’s.
Presentation layer (Layer 6): Gateways, Firewalls, PC’s.
Application layer (Layer 7): Gateways, Firewalls, all end devices