Q: What does a VLAN do?
- 1Breaks up broadcast domains in a layer 2 switch internetworktrue
- 2Provides multiple broadcast domains within a single collision domainfalse
- 3Provides multiple collision domains on one switch portfalse
- 4Acts as the fastest port to all serversfalse
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Answer : 1. "Breaks up broadcast domains in a layer 2 switch internetwork"
Explanation :
Answer: A) Breaks up broadcast domains in a layer 2 switch internetwork Explanation: virtual LAN (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2). LAN is the abbreviation for local area network and in this context, virtual refers to a physical object recreated and altered by additional logic. VLANs work by applying tags to network packets and handling these tags in networking systems – creating the appearance and functionality of network traffic that is physically on a single network but acts as if it is split between separate networks. In this way, VLANs can keep network applications separate despite being connected to the same physical network, and without requiring multiple sets of cabling and networking devices to be deployed.