Important note The most scalable and cost-effective way to generate S3 PJUT events for asynchronously invocating downstream AI workflows via Lambda is to generate an AWS pre-signed URL, and then provide it to your mobile or web application users. Many users can be served at the same time via this approach, and it may increase […]

AWS Deployment Services Multiple AWS services can be involved in deployment, depending on the technology used and the degree of operational control you want to have. The following subsections will walk you through the various solutions available with regard to controlling the deployment stage of the software lifecycle. AWS OpsWorks Let’s start with AWS OpsWorks. […]

Running Queries with Amazon Athena With so much valuable data within CloudTrail and other logs, finding effective ways to query the data for specific entries is always a top priority. The Amazon Athena service makes running ad hoc queries on extensive datasets much more straightforward. When discussing storing logs on the S3 service earlier in […]

var in the Real World The var keyword is great for exam authors because it makes it easier to write tricky code. When you work on a real project, you want the code to be easy to read. Once you start having code that looks like the following, it is time to consider using var: […]

Hierarchical Only available on the user object, a hierarchical relationship is a special type of lookup to associate one user to another (where the record does not directly or indirectly refer to itself). Storing a users manager as a lookup to another user record is a common use-case for this functionality. Now we know the […]

Establishing a Deployment Strategy This chapter will focus on determining a deployment strategy to meet your business requirements. We will look at the various options offered by AWS for deploying and updating your solution. Choosing the right deployment strategy is paramount to successfully manage your solution stack and meet your business requirements. This chapter will […]

6.3  Create Queries with Best Practice SOQL (Salesforce Object Query Language) and SOSL (Salesforce Object Search Language) are two query languages used in Salesforce to retrieve data from the database. Here are the main differences between SOQL and SOSL: SOQL (Salesforce Object Query Language) –– Queries start with the “SELECT” keyword. –– It is used […]

Reviewing and Adapting Your Solution The last stage of the overall process consists of conducting regular performance reviews of your workload’s behavior. For that, you simply need to apply the best practices that were covered in this and previous chapters. First, you want to automate the creation of your AWS resources to speed up your […]

Cram Quiz Answers 1. Answer: D is correct. A CNAME record cannot be used for the zone apex (example.com). The IP address of the ELB may change, so you should point to the DNS name of the ELB. 2. Answer: B and C are correct. You must first authorize the association of the VPC and the hosted […]

TCP/IP Networking Model A networking model, sometimes also called either a networking architecture or networking blueprint, refers to a comprehensive set of documents. Individually, each document describes one small function required for a network; collectively, these documents define everything that should happen for a computer network to work. Some documents define a protocol, which is a […]