You Have a Hybrid Environment in Which Your VPC Queries

question 167

Multiple Choice

You have a hybrid environment in which your VPC queries your on-premises DNS server for up resources in your environment. The EC2 instances in your VPC are unable to resolve on-premises resources. What are two possible reasons for this problem? (Choose two.)

• A) Your NACL is blocking UDP port 53 outbound
• B) Your security group is blocking port 53 inbound
• C) Your NACL is blocking TCP port 53 outbound.
• D) Your on-premises firewall is blocking port 443

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Definitions:

Perpetual Inventory System

An inventory management method where records are continuously updated to reflect buys, sells, and stock levels in real-time.

Gross Method

An accounting practice where discounts for early payment are not considered until they are actually taken by the purchaser.

Credit Terms

Conditions under which credit is extended by a seller to a buyer, including the repayment period, interest rate, and penalties for late payment.

Discounts Lost

Refers to the financial opportunity lost by not taking advantage of discounts offered by suppliers for early payments.