Note You will see more details on the security and routing of AWS Direct Connect and VPN connections in Chapter 18, Securely Connecting to your AWS Environment. Securing your connections is vital so those listening on the wire don’t eavesdrop and gather sensitive information. Some techniques can be used in AWS so that connecting to […]

In the previous section on migration planning, you explored and learned about the various avenues with which solutions architects such as yourself can help guide customers with their migration and modernization journey to the AWS cloud. In this chapter, we continue along the same lines and explore how to effectively evaluate, design for, and manage […]

Implementing and managing storage is one of the most important aspects of building or deploying a new solution using Azure. There are several services and features available for use, and each has its own place. Azure Storage is the underlying storage for most of the services in Azure. It provides service for the storage and […]

Example 1-10 shows SW9621-1 BGP feature enabling and BGP router configurations. Example 1-10 BGP AS 65100 Creation Configuration SW9621-1(config)#feature bgpSW9621-1(config)#router bgp 65100SW9621-1(config-router)#router-id 1.1.1.1SW9621-1(config-router)#address-family ipv4 unicastSW9621-1(config-router-af)#network 192.168.1.0/24SW9621-1(config-router)#neighbor 2201:db1::2 remote-as 65100SW9621-1(config-router-neighbor)#address-family ipv6 unicastSW9621-1(config-router)#neighbor 10.10.10.2 remote-as 65100SW9621-1(config-router-neighbor)#address-family ipv4 unicastSW9621-1(config-router-neighbor)#address-family ipv4 multicastSW9621-1(config-router)#neighbor 10.10.10.6 remote-as 100SW9621-1(config-router-neighbor)#address-family ipv4 unicast Example 1-11 shows SW9621-1 interface configurations. Example 1-11 Interface Configurations SW9621-1(config)#interface loopback1SW9621-1(config-if)#ip address 192.168.1.1/24SW9621-1(config)#interface […]

AWS Compute Optimizer Determining whether a compute resource is cost-effective can be difficult without metrics. The AWS Compute Optimizer performs metric checks on AWS compute resources and generates recommendations that are designed to help you reduce your AWS costs. Figure 14.4 shows the types of resources on which Compute Optimizer can perform metric analysis. FIGURE 14.4 Compute […]

“Do I Know This Already?” Quiz Take the quiz (either here or use the PTP software) if you want to use the score to help you decide how much time to spend on this chapter. The letter answers are listed at the bottom of the page following the quiz. Appendix C, found both at the […]

Invalid instanceof One area the exam might try to trip you up on is using instanceof with incompatible types. For example, Number cannot possibly hold a String value, so the following causes a compilation error: public void openZoo(Number time) { if(time instanceof String) // DOES NOT COMPILE System.out.print(time); } If the compiler can determine that […]

Thought experiment In this thought experiment, apply what you have learned. You can find answers to these questions in the next section. You are responsible for creating and tracking resources in Azure for two business units within your organization: HR and Marketing. Your organization has an Enterprise Agreement (EA). Each business unit needs to deploy its […]

Note The order of comparison determined in Step 2 is important. Consider the case where you have three paths—A, B, and C. When Cisco NX-OS compares A and B, it chooses A. When Cisco NX-OS compares B and C, it chooses B. But when Cisco NX-OS compares A and C, it might not choose A […]

Chapter summary Here are some of the key takeaways from this chapter: variables/parameters/functions to create dependencies between resources.