A Company Is Hosting Multiple Applications Within a Single VPC

question 125

Multiple Choice

A company is hosting multiple applications within a single VPC in its AWS account. The applications are running behind an Application Load Balancer that is associated with an AWS WAF web ACL. The company's security team has identified that multiple port scans are originating from a specific range of IP addresses on the internet. A security engineer needs to deny access from the offending IP addresses. Which solution will meet these requirements?

• A) Modify the AWS WAF web ACL with an IP set match rule statement to deny incoming requests from the IP address range.
• B) Add a rule to all security groups to deny the incoming requests from the IP address range.
• C) Modify the AWS WAF web ACL with a rate-based rule statement to deny incoming requests from the IP address range.
• D) Configure the AWS WAF web ACL with regex match conditions. Specify a pattern set to deny the incoming requests based on the match condition.

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Definitions:

Flexible Exchange Rates

A system where the value of a currency is determined by the foreign exchange market, depending on the supply and demand for that currency.

International Monetary Reserves

Assets that central banks and monetary authorities hold in foreign currencies, including foreign banknotes, bank deposits, bonds, treasury bills, and other government securities, to back its liabilities.

Demand for Pounds

Refers to the desire or requirement for British pounds in the foreign exchange market, usually driven by trade, investment, or speculation needs.

Fixed Exchange Rates

A currency system where the value of a currency is pegged to another currency, a basket of currencies, or a valuable commodity like gold.