DATA LINK LAYER WIRED NETWORKS
CONNECTING DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Router
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Hub
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Switch
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Firewall
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Detailed explanation-1: -Switches are networking devices that operate at the OSI model’s layer 2 or data link layer. They connect network devices and use packet switching to deliver, receive, and forward data packets or data frames across the network. A switch has a number of ports into which computers can be connected.
Detailed explanation-2: -A device designed to filter and transfer IP packets between dissimilar types of computer networks is called Firewall.
Detailed explanation-3: -Which of the following answers refers to a dedicated device for managing encrypted connections established over an untrusted network, such as the Internet? An SSL VPN connection typically requires a dedicated VPN client application. Which of the following answers refers to Generic Routing Encapsulation (GRE)?