Data Communication and Computer Networks - Cloud Computing
87. How many IP addresses does a /24 network have?
- Option : B
- Explanation : A /24 network has 256 IP addresses. The /24 in this example dictates how many IP addresses are available. Adding 1 to this number will cut the number of IP addresses available in half.
88. What is the purpose of a route?
- Option : B
- Explanation : A route provides a path for data to flow. Every subnet in a VPC will also have a route.
89. Which of the following is true concerning firewall rules?
- Option : B
- Explanation : All traffic is blocked inbound by default. If inbound traffic is configured to be permitted inbound, that traffic will also be permitted outbound
- Option : D
- Explanation : Public IP addresses can be allocated by Google and assigned to an instance if a static IP is needed
