An Amazon EC2 Instance Is in a Private Subnet

question 503

Multiple Choice

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

Understand and explain the importance of good posture and body mechanics.

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Identify methods and considerations for preventing low back pain.

Compare different stretching techniques and their implications on flexibility and safety.

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Definitions:

Similarity

The degree to which two or more objects are alike, often influencing human perception and cognitive categorization.

Inattentional Blindness

A psychological lack of attention that is not associated with any vision defects or deficits, where an individual fails to perceive an unexpected stimulus that is in plain sight.

Convergence

The process or point at which several things come together to form a new whole, often used in the context of technology, media, or evolutionary biology.

Binocular Disparity

The difference in image location of an object seen by the left and right eyes, resulting from the eyes’ horizontal separation and providing the basis for depth perception.