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In Amazon RDS, security groups are ideally used to:
In Amazon RDS, security groups are ideally used to:A . Define maintenance period for database enginesB . Launch Amazon RDS instances in a subnetC . Create, describe, modify, and delete DB instancesD . Control what IP addresses or EC2 instances can connect to your databases on a DB instanceView AnswerAnswer:...
How long does an AWS free usage tier EC2 last for?
How long does an AWS free usage tier EC2 last for?A . ForeverB . 12 Months upon signupC . 1 Month upon signupD . 6 Months upon signupView AnswerAnswer: B Explanation: The AWS free usage tier will expire 12 months from the date you sign up. When your free usage...
Which of the following would be a reasonable response to his request?
After you recommend Amazon Redshift to a client as an alternative solution to paying data warehouses to analyze his data, your client asks you to explain why you are recommending Redshift. Which of the following would be a reasonable response to his request?A . It has high performance at scale as data and query...
What connectivity do you need to be able to connect remotely to this instance?
You can seamlessly join an EC2 instance to your directory domain. What connectivity do you need to be able to connect remotely to this instance?A . You must have IP connectivity to the instance from the network you are connecting from.B . You must have the correct encryption keys to connect to...
Does Amazon DynamoDB support both increment and decrement atomic operations?
Does Amazon DynamoDB support both increment and decrement atomic operations?A . Only increment, since decrement are inherently impossible with DynamoDB's data model.B . No, neither increment nor decrement operations.C . Yes, both increment and decrement operations.D . Only decrement, since increment are inherently impossible with DynamoDB's data model.View AnswerAnswer: C...
What combination of the following should be used to ensure the highest network performance (packets per second), lowest latency, and lowest jitter?
You nave multiple Amazon EC2 instances running in a cluster across multiple Availability Zones within the same region. What combination of the following should be used to ensure the highest network performance (packets per second), lowest latency, and lowest jitter? Choose 3 answersA . Amazon EC2 placement groupsB . Enhanced networkingC ....
If an Amazon EBS volume is the root device of an instance, can I detach it without stopping the instance?
If an Amazon EBS volume is the root device of an instance, can I detach it without stopping the instance?A . Yes but only if Windows instanceB . NoC . YesD . Yes but only if a Linux instanceView AnswerAnswer: B
True or False: When you add a rule to a DB security group, you do not need to specify port number or protocol.
True or False: When you add a rule to a DB security group, you do not need to specify port number or protocol.A . Depends on the ROMS usedB . TRUEC . FALSEView AnswerAnswer: B
Before I delete an EBS volume, what can I do if I want to recreate the volume later?
Before I delete an EBS volume, what can I do if I want to recreate the volume later?A . Create a copy of the EBS volume (not a snapshot)B . Store a snapshot of the volumeC . Download the content to an EC2 instanceD . Back up the data in...
Which EBS volume type would best suit his requirements?
An accountant asks you to design a small VPC network for him and, due to the nature of his business, just needs something where the workload on the network will be low, and dynamic data will be accessed infrequently. Being an accountant, low cost is also a major factor. Which EBS volume...
