220-802 Question #664: Real Exam Question with Answer & Explanation

The correct answer is A: Disable the extra Ethernet ports on the switch. Physically disabling unused switch ports and limiting the DHCP scope to six addresses together enforce a six-device maximum with minimal ongoing management.

Question

A technician, Joe, has a wired switch in a conference room for guests. In which of the following ways could Joe restrict the network to only six devices at a time, with minimum management effort? (Select TWO).

Options

ADisable the extra Ethernet ports on the switch
BConfigure DHCP for six addresses maximum
CEnable Spanning Tree protocol
DCreate an access control list for each new PC
EConfigure DNS to only resolve six IP addresses
FAdd each guest to the MAC filter list

Explanation

Physically disabling unused switch ports and limiting the DHCP scope to six addresses together enforce a six-device maximum with minimal ongoing management.

Common mistakes.

C. Spanning Tree Protocol prevents network loops and has no function in limiting the number of connected devices.
D. Creating an ACL for each new PC requires individual configuration per device, which is high management effort and contradicts the 'minimum management' requirement.
E. DNS resolves hostnames to IP addresses and cannot cap the number of devices on a network segment.
F. Adding each guest to a MAC filter list requires manual entry for every device, making it a high-management solution.

Concept tested. Limiting switch connections via port control and DHCP scope

Reference. https://learn.microsoft.com/en-us/windows-server/networking/technologies/dhcp/dhcp-top

Community Discussion

No community discussion yet for this question.

Full 220-802 Practice