AWS Certificate Manager The AWS Certificate Manager (ACM) allows you to manage certificates. This service provided by AWS allows you to perform the following primary tasks: Request a certificate: This option allows you to request a public certificate from Amazon. If you have configured your AWS account with your organization’s CA, you can also request […]

AWS Services for a Pilot Light Approach On top of the backup services already mentioned in the backup and recovery approach, you now have to consider services that can offer continuous replication, in particular, if you need to satisfy a lower RPO. S3 provides automatic cross-region replication natively. Combined with bucket versioning, it also gives […]

Maps: A map is a collection of key-value pairs, where each key is unique and maps to a corresponding value. Maps are often used to associate related data. Maps are useful when you want to associate related pieces of information and quickly retrieve the value associated with a specific key. The key and value in […]

Retaining and Expiring CloudWatch Logs As logs come into the CloudWatch service, they are stored in a log group and by default never expire. This can lead to extra charges for your account, especially for items such as developmental logs that don’t need to be saved in the account for extended periods of time due […]

Certificate Management Consider a situation in which you want to log in to your bank’s website and transfer some money. You open a web browser, type in the URL of your bank (or use a browser bookmark), and then log in to the bank. But how do you know that it is really your bank? […]

Backup Frequency How can you determine the optimal backup frequency? Provided that backup and restore can satisfy your RTO, the optimal backup frequency is the one that allows you to satisfy your RPO. The RPO will define how much data you are allowed to lose in case of a disaster. So, you need to make […]

AWS Key Management Service The Key Management Service (KMS) allows you to create encryption keys and control their access. Both symmetric and asymmetric keys can be created, as you can see in Figure 10.1. FIGURE 10.1 KMS Key features of AWS KMS include The ability to create, view, and edit keys Use policies to control […]

Identifying and Backing Up the Necessary Data On AWS, Amazon S3 is the backup destination of choice. It is a very reliable and highly durable storage option. It is extremely cost-efficient and also offers built-in life cycle management to transition your backup data through various and less expensive storage tiers as it ages. In addition, […]

Image processing Image processing is a very popular topic in machine learning. The idea is pretty self-explanatory: creating models that can analyze images and make inferences on top of them. By inference, you can understand this as detecting objects in an image, classifying images, and so on. AWS offers a set of built-in algorithms you […]

4.4 Collections In Apex, collections are data structures used to store and manage multiple values of the same or different data types. Collections allow you to work with groups of related data in a more organized and efficient way compared to using individual variables. There are three main types of collections in Apex: Lists, Sets, […]