Azure Architecture & Services第 45 / 100 题
What does a Network Security Group (NSG) do in Azure?
a.It filters inbound and outbound network traffic to resources using allow/deny rules
b.It stores relational data
c.It manages billing alerts
d.It hosts web applications
解析
A Network Security Group contains security rules that allow or deny network traffic to and from Azure resources such as VMs and subnets. Rules are based on source, destination, port, and protocol. NSGs are a core tool for controlling network-level access.
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