Your VPC automatically comes with a modifiable default network ACL, which by default _____.

• A.blocks outbound traffic
• B.allows only inbound traffic
• C.allows all inbound and outbound traffic
• D.blocks all inbound and outbound traffic

Comment: *

Name: *

Email: *

Verification: *

An Amazon EC2 instance is in a private subnet. To SSH to the instance, it is required to use a bastion host that has an IP address of 10.0.0.5. SSH logs on the EC2 instance in the private subnet show that connections are being made over SSH from several other IP addresses. The EC2 instance currently has the following inbound security group rules applied:
Protocol: TCP
Port: 22
Source: 10.0.0.5/32
Protocol: TCP
Port: 22
Source: sg-xxxxxxxx
Protocol: TCP
Port: 389
Source: 0.0.0.0/0
What is the MOST likely reason that another IP addresses is able to SSH to the EC2 instance?

• A.The rule with /32 is not limiting to a single IP address
• B.There is an outbound rule allowing SSH traffic
• C.The rule with 0.0.0.0/0 means SSH is open for any client to connect
• D.Any instance belonging to sg-xxxxxxxx is allowed to connect

Comment: *

Name: *

Email: *

Verification: *

A user has launched an RDS postgreSQL DB with AWS. The user did not specify the maintenance window during creation. The user has configured RDS to update the DB instance type from micro to large.
If the user wants to have it during the maintenance window, what will AWS do?

• A.AWS will not allow to update the DB until the maintenance window is configured
• B.AWS will select the default maintenance window if the user has not provided it
• C.AWS will ask the user to specify the maintenance window during the update
• D.It is not possible to change the DB size from micro to large with RDS

Comment: *

Name: *

Email: *

Verification: *

Can a user depict CloudWatch metrics such as CPU utilization in % and Network I/O in bytes on a single graph?

• A.No, a user cannot graph two separate metrics on the same graph.
• B.Yes, a user can graph several metrics over time on a single graph.
• C.No, a user cannot plot several metrics on a single graph since the units are different.
• D.Yes, a user can graph multiple metrics on the same graph provided they are of the same instance in the same AZ.

Comment: *

Name: *

Email: *

Verification: *

A route table in VPC can be associated with multiple subnets. However, a subnet can be associated with only
______ route table(s) at a time.

• A.four
• B.two
• C.three
• D.one

Comment: *

Name: *

Email: *

Verification: *