Cisco

700-751 · Question #43

Which three options are best security practices for VLANs? (Choose three.)

The correct answer is B. Disable all unused ports and put them in an unused VLAN C. Always use a dedicated VLAN ID for all trunk ports. D. Do not use VLAN 1 for anything. See the full explanation below for the reasoning.

Question

Which three options are best security practices for VLANs? (Choose three.)

Options

ADisable Spanning Tree on all switches.
BDisable all unused ports and put them in an unused VLAN
CAlways use a dedicated VLAN ID for all trunk ports.
DDo not use VLAN 1 for anything.
EEnable all unused ports for seamless configuration.
FPut all user data traffic in VLAN 1.

How the community answered

(47 responses)

A
2% (1)
B
83% (39)
E
11% (5)
F
4% (2)

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Full 700-751 Practice