NETWORK LAYER
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Router
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NIC
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Switch
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None of the above
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Detailed explanation-1: -Layer 3 is the Network or Internet layer. When transmitting data, this layer adds a header containing the source and destination IP addresses to the to the data received from the Transport layer. The packet it creates will then be forwarded to the MAC or Data Link layer.
Detailed explanation-2: -A router operates at layer-3 of the open systems interconnection (OSI) stack and allows several devices to use the same internet connection. It also manages traffic between the computer networks by forwarding data packets to their specified internet protocol (IP) addresses.
Detailed explanation-3: -A router is a layer 3 or network layer device. It connects different networks together and sends data packets from one network to another. A router can be used both in LANs (Local Area Networks) and WANs (Wide Area Networks).