Management Options There is an incredibly impressive range of options for managing AWS. These tools fall into the following subcategories: Provisioning: CloudFormation is the primary management service in the provisioning category. It provides a common language for describing and provisioning all the infrastructure resources in a cloud environment. CloudFormation allows you to use a simple…
Broadcast Domains – 100-150 Exam Guide
When a host receives a message addressed to the broadcast address, it accepts and processes the message as though the message was addressed directly to it. When a host sends a broadcast message, switches forward the message to every connected host within the same local network. For this reason, a local area network, a network…
Automation – CLF-C02 Exam Guide
Automation Automation is one of the reasons many technical engineers love cloud technologies. With AWS, there is a huge emphasis on using API calls to configure the architecture. This permits automation of everything associated with AWS. Automation incorporates elements and benefits such as the following: Configuration templates Code deployment automation Self-healing infrastructures Reduction in the…
Destination on Remote Network
When the destination IP address (IPv4 or IPv6) is on a remote network, the destination MAC address will be the address of the host default gateway (i.e., the router interface). In Figure 13-2, PC1 wants to send a packet to PC2. PC2 is located on remote network. Because the destination IPv4 address is not on…
AWS Security Blog – CLF-C02 Exam Guide
AWS Security Blog The AWS Security Blog is a dedicated platform that provides valuable insights, best practices, and updates on security within the AWS ecosystem. Its goal is to allow AWS customers to enhance their understanding of security measures and practices specific to AWS Cloud services. These are some of the topics covered: Security architecture…
The ARP Process – 100-150 Exam Guide
Objectives Upon completion of this chapter, you will be able to answer the following questions: • What is the difference between the roles of the MAC address and the IP address? • Why it is important to contain broadcasts within a network? Key Terms This chapter uses the following key terms. You can find the…
Web Application Firewall (WAF)
Web Application Firewall (WAF) AWS Web Application Firewall (WAF) is a managed security service that helps protect web applications from common web exploits and malicious traffic. When you use this service, you define customizable security rules to filter and block potentially harmful requests. By leveraging AWS WAF, organizations can fortify their web applications against various…
Gateways to Other Networks Summary
The following is a summary of each topic in the chapter and some questions for your reflection. What Did I Learn in this Module? (12.3.1) • Network Boundaries— Every host on a network must use the router as a gateway to other networks. Therefore, each host must know the IPv4 address of the router interface…
Some AWS Security Features
Some AWS Security Features I want to be perfectly clear: There are currently a ton of security services and tools in the AWS portfolio of products. In this section of the chapter, we will explore two that are fundamental to the operation of AWS: security groups and network access control lists (NACLs). We will also…
Routers as Boundaries Between Networks
The wireless router acts as a DHCP server for all local hosts attached to it, either by Ethernet cable or wirelessly. These local hosts are referred to as being located on an internal, or inside, network. Most DHCP servers are configured to assign private addresses to the hosts on the internal network, rather than internet…