End devices, both clients and servers are connected to LANs. The LAN is how users access their network and reach other networks.Local Area Networks (14.3.1)The term local area network (LAN) refers to a local network, or a group of interconnected local networks that are under the same administrative control, as shown in Figure 14-4. In…
The Routing Table – 100-150 Exam Guide
A router is a Layer 3 intermediary device that performs the packet forwarding or routing. Routers have routing tables that contain the information the router needs to forward the packet. Video – Router Packet Forwarding (14.2.1) Refer to the online course to view this video. Video – Messages Within and Between Networks – Part 1…
Routing Between Networks – 100-150 Exam Guide
Objectives Upon completion of this chapter, you will be able to answer the following questions: • What is the need for routing? • How do routers use tables? • How do you build a fully connected network? Key Terms This chapter uses the following key terms. You can find the definitions in the Glossary. Default…
Deployment and Connectivity Options
Deployment and Connectivity Options What are the options for deployment of your IT solutions in the modern era? There are three you should know as an AWS Cloud practitioner: On premises: In this model, you are keeping everything fully under the control of your organization. You can consider this the “traditional” approach to IT, where…
What Did I Learn in this Module? – 100-150 Exam Guide
• MAC and IP—Sometimes a host must send a message, but it only knows the IP address of the destination device. The host needs to know the MAC address of that device. The MAC address can be discovered using address resolution. There are two primary addresses assigned to a device on an Ethernet LAN: •…
Management Options – CLF-C02 Exam Guide
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…