Ability to connect to our DB to run DB validations. What are the possible connectivity issues and possibility to connect?

-- step=Connect
-- username=aiq
-- password=thePasswordGoesHere
-- url=jdbc:mysql://mysqlsmoketest.us-west-2.rds.amazonaws.com:3306/aiq
-- driver_class=com.mysql.jdbc.Driver
-- database=aiq
-- dialect=org.appvance.hibernate.dialect.MySQLDialect
-- connect
-- step=Step1
SELECT * FROM `aiq`.`SummaryElement` LIMIT 100;
-- step=Step2
SELECT * FROM `aiq`.`Definition` LIMIT 100;
-- step=Step3
SELECT * FROM `aiq`.`NodePerScenario` LIMIT 100;
-- step=Step4
SELECT * FROM `aiq`.`SummaryElement` LIMIT 100;
-- step=Step5
SELECT * FROM `aiq`.`UTPIterationPerExecution` LIMIT 100;
-- step=Step6
SELECT * FROM `aiq`.`TypeLong` LIMIT 100;
-- step=Step7
SELECT * FROM `aiq`.`UTPScenarioExecution` LIMIT 100;
-- step=Step8
SELECT * FROM `aiq`.`UTPIterationPerExecution` LIMIT 100;
-- step=Step9
SELECT * FROM `aiq`.`DefaultPercentil` LIMIT 100;
-- step=Step10
SELECT * FROM `aiq`.`DetailedDuration` LIMIT 100;
-- step=Step11
SELECT * FROM `aiq`.`DetailedElementAttribute` LIMIT 100;
-- step=Step12
SELECT * FROM `aiq`.`SummaryChildElement` LIMIT 100;
-- step=Step13
SELECT * FROM `aiq`.`SummaryElement` LIMIT 100;
-- step=Step14
SELECT * FROM `aiq`.`Definition` LIMIT 100;
-- step=Step15
SELECT * FROM `aiq`.`NodePerScenario` LIMIT 100;
-- step=Step16
SELECT * FROM `aiq`.`SummaryElement` LIMIT 100;
-- step=Step17
SELECT * FROM `aiq`.`UTPIterationPerExecution` LIMIT 100;
-- step=Step18
SELECT * FROM `aiq`.`TypeLong` LIMIT 100;
-- step=Step19
SELECT * FROM `aiq`.`UTPScenarioExecution` LIMIT 100;
-- step=Step20
SELECT * FROM `aiq`.`UTPIterationPerExecution` LIMIT 100;
-- step=Step21
SELECT * FROM `aiq`.`DefaultPercentil` LIMIT 100;
-- step=Step22
SELECT * FROM `aiq`.`DetailedDuration` LIMIT 100;
-- step=BeforeDisc
-- step=Disconnect
-- disconnect