Understanding Virtual LANs

What is the purpose of VLAN configuration?

• The purpose of VLAN configuration is to segment network traffic and improve security and performance.

• To increase the number of available IP addresses.

• To eliminate the need for routers in a network.

• To simplify network hardware configuration.

Which command is commonly used to create a VLAN on a switch?

• create vlan [VLAN_ID]

• set vlan [VLAN_ID]

• add vlan [VLAN_ID]

• vlan [VLAN_ID]

What does VLAN Trunking Protocol (VTP) do?

• VTP manages VLAN configurations across multiple switches in a network.

• VTP encrypts VLAN traffic for security.

• VTP is used for routing between different VLANs.

• VTP creates new VLANs on individual switches only.

How does VTP help in managing VLANs across multiple switches?

• VTP restricts VLAN creation to a single switch only.

• VTP helps manage VLANs by automatically propagating VLAN information across multiple switches in the same VTP domain.

• VTP is used to monitor network traffic between switches.

• VTP only allows manual configuration of VLANs on each switch.

What is the difference between VTP server and VTP client modes?

• VTP server can only receive VLAN information; VTP client can create and manage VLANs.

• VTP server is used for routing; VTP client is used for switching.

• VTP server can create and manage VLANs; VTP client can only receive VLAN information.

• VTP server and client both can create and manage VLANs equally.

What are some common security best practices for VLANs?

• Common security best practices for VLANs include segmenting sensitive data, using strong access controls, preventing VLAN hopping, auditing configurations, and securing trunk ports.

• Disabling auditing for configurations

• Using default VLAN settings

• Allowing all traffic on trunk ports

How can VLANs help in reducing broadcast traffic?

• VLANs allow all devices to communicate without restrictions.

• VLANs eliminate the need for switches in a network.

• VLANs reduce broadcast traffic by isolating broadcast domains.

• VLANs increase broadcast traffic by combining networks.

What is inter-VLAN routing and why is it necessary?

• Inter-VLAN routing is the method used to route traffic between different VLANs, enabling communication between devices on separate VLANs.

• Inter-VLAN routing is a protocol for managing VLAN configurations.

• Inter-VLAN routing is used to connect devices within the same VLAN.

• Inter-VLAN routing is unnecessary as VLANs can communicate directly.

Which device is typically used for inter-VLAN routing?

• Hub

• Bridge

• Access Point

• Router or Layer 3 switch

What is the purpose of VLAN tagging?

• To improve network speed by increasing bandwidth.

• The purpose of VLAN tagging is to enable traffic segregation and management across multiple virtual LANs on a single physical network.

• To provide encryption for all network traffic.

• To simplify the physical network infrastructure.