Google Cloud Certified Associate Cloud Engineer 2025 – 400 Free Practice Questions to Pass the Exam

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What does the CIDR address range 0.0.0.0/0 represent?

The address range of a local network

Addresses reserved for multicast

Addresses only accessible within a specific region

All IP addresses that exist

The CIDR address range 0.0.0.0/0 represents all IP addresses that exist on the internet, also known as the default route. This range includes all possible addresses from 0.0.0.0 to 255.255.255.255. Option A is incorrect because a local network typically uses a different range of IP addresses, such as 192.168.1.0/24 or 10.0.0.0/8. Option B is incorrect because multicast addresses are represented by a specific range (224.0.0.0 to 239.255.255.255) and are used for network multicasting, not for identifying all IP addresses on the internet. Option C is incorrect because CIDR address ranges are not limited by geographical regions, unlike country-based IP address ranges. Therefore, 0.0.0.0/0 represents all IP addresses that exist, regardless of location.

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