Consistent Behavior over All Links Using the Ethernet Data-Link Layer – Fundamentals of Ethernet LANs – 200-301 Study Guide

Consistent Behavior over All Links Using the Ethernet Data-Link Layer Although Ethernet includes many physical layer standards, Ethernet acts like a single LAN technology because it uses the same data-link layer standard over all types of Ethernet physical links. That standard defines a common Ethernet header and trailer. (As a reminder, the header and trailer […]

Multicast – Bidirectional Forwarding Detection – Networking – 350-601 Study Guide

Multicast The IP communication traditionally defines the unicast communication, when there is a host to host communication, or 1:1, and the broadcast type of communication where one host sends to all other hosts. When there is the need to communicate with multiple, but not all, hosts the broadcast communication is not effective as all hosts […]

Configure Azure Storage firewalls and virtual networks – AZ-104 Study Guide

Configure Azure Storage firewalls and virtual networks Storage accounts are managed through Azure Resource Manager. Management operations are authenticated and authorized using Microsoft Entra ID RBAC. Each storage service exposes its own endpoint used to manage the data in that storage service (blobs in Blob Storage, entities in tables, and so on). These service-specific endpoints are not exposed through Azure Resource […]

Review Questions – Inter-VPC and Multi-account Networking – ANS-C01 Study Guide

Review Questions 1.Due to federal governance restrictions, your sensitive customer data is not allowed to traverse the public Internet when in transit between certain AWS hosted applications. You need to interconnect two private VPCs in the Osaka region. What AWS network interconnect option would you use to meet these requirements?A.CloudWatchB.CloudTrailC.Direct ConnectD.PrivateLink

Typical Enterprise LANs – Fundamentals of Ethernet LANs – 200-301 Study Guide

Typical Enterprise LANs Enterprise networks have similar needs compared to a SOHO network, but on a much larger scale. For example, enterprise Ethernet LANs begin with LAN switches installed in a wiring closet behind a locked door on each floor of a building. The electricians install the Ethernet cabling from that wiring closet to cubicles […]

Access tiers – Implement and manage storage – AZ-104 Study Guide

Access tiers Azure Blob Storage supports four access tiers: Hot, Cool, Cold, and Archive. Each represents a trade-off of availability and cost. There is no trade-off on the durability (probability of data loss), which is defined by the SKU and replication, not the access tier. NOTE BLOB STORAGE ONLY Access tiers apply to Block Blob […]

Conditional Operators – Working with Binary Arithmetic Operators – 1Z0-829 Study Guide

Conditional Operators Next, we present the conditional operators, && and ||, in Table 2.10. TABLE 2 . 10 Conditional operators Operator Example Description Conditional a && b Value is true only if both values are true. If the left side is false, then AND the right side will not be evaluated. Conditional c || d […]

Note – Bidirectional Forwarding Detection – Networking – 350-601 Study Guide

Note No license is required for BFD features. BFD has the following configuration limitations: NX-OS supports BFD version 1. BFD supports single-hop BFD; BFD for BGP supports single-hop EBGP and iBGP peers. BFD depends on Layer 3 adjacency information to discover topology changes, including Layer 2 topology changes. A BFD session on a VLAN interface […]

Standard platform licensing – Salesforce Data Management – Salesforce Certified Data Architect Study Guide

Standard platform licensing The core Salesforce Platform consists of several products, as follows: These products are all built around the core application framework and relational database that underpins the Salesforce Platform. In fact, Sales Cloud, Service Cloud, and Experience Cloud can all be thought of as enhancements to the core Lightning Platform. For example, Sales […]

SageMaker Model Monitor – Amazon SageMaker Modeling – MLS-C01 Study Guide

SageMaker Model Monitor In the ever-evolving realm of ML, ensuring the reliability and robustness of models in real-world production settings is paramount. In this section, you will delve into the profound significance, practical applications, and potent features of Amazon SageMaker Model Monitor—an instrumental component tailored to tackle the challenge of model drift in live production […]