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CompTIA Network+ Exam Review

Category - Networking

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An organization has an Engineering department with 25 employees. Currently all employees in the organization are on the same network. The Engineering team is concerned about other employees being able to capture packets going across the network and obtain sensitive material. What could a network administrator do to protect Engineering network traffic from being accessed by other employees?
  1. Install anti-virus software on all of the computers.
  2. Power down the switches that connect to the Engineering team computers when they are not in use.
  3. Remove other employees’ computers from the network and put them on a peer-to-peer network.
  4. Configure the Engineering team computers on a separate VLAN.
Explanation
Answer - D - To separate the Engineering team’s traffic from other employees, configure the Engineering team on a separate VLAN.

Key Takeaway: Virtual LANs, or VLANs, can be viewed as a group of devices on different physical LAN segments which can communicate with each other as if they are all on the same physical LAN segment. From a security standpoint, VLAN can be used to place a group of users who need high security into a VLAN so that no users outside can access traffic on the VLAN.
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