单选题A network at a small business utilizes a star topology and is experiencing frequent collisionsamong data packets. Which of the following devices is MOST likely being used?（）AUnmanaged switchBHardware firewallCHubDManaged switch
单选题
A network at a small business utilizes a star topology and is experiencing frequent collisionsamong data packets. Which of the following devices is MOST likely being used?（）
A
Unmanaged switch
B
Hardware firewall
C
Hub
D
Managed switch
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