Summary In this chapter, you learned how to review and analyze many log files using native tools found in AWS. You also had a brief overview of how costs can affect your decisions when choosing the correct storage solution for your long-term log storage for your account and your organization. This overview was presented through […]

Failover Routing Policy Route 53 health checks monitor the health and performance of your web resources. Health checks can monitor a specific resource (such as a web server or load balancer) or the status of an Amazon CloudWatch alarm. You can configure DNS failover based on the status of a health check. This is a […]

Foundation Topics Routing Protocols Support on Cisco Nexus Devices The Cisco Nexus devices line-up at the time of writing this book consists of Cisco Nexus 9200, Cisco Nexus 9300, Cisco Nexus 9400, Cisco Nexus 9500, Cisco Nexus 9800 and the ultra-low latency Cisco Nexus 3550, as well as Nexus 3400 and 3600 switches. Note: In […]

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 […]