AWS Certified Solutions Architect – Professional SAP-C01 – Question192

In a VPC, can you modify a set of DHCP options after you create them?

A. Yes, you can modify a set of DHCP options within 48 hours after creation and there are no VPCs associated with them.
B. Yes, you can modify a set of DHCP options any time after you create them.
C. No, you can't modify a set of DHCP options after you create them.
D. Yes, you can modify a set of DHCP options within 24 hours after creation.

Correct Answer: C

Explanation:

Explanation: After you create a set of DHCP options, you can’t modify them. If you want your VPC to use a different set of DHCP options, you must create a new set and associate them with your VPC. You can also set up your VPC to use no DHCP options at all.
Reference:
http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_DHCP_Opti…