Amazon AWS Solution Architecture Practice Exam 2019 – Part 2

Posted filed under Amazon AWS.

Question 6) A web application allows customers to upload orders to an S3 bucket. The resulting Amazon S3 events trigger a Lambda function that inserts a message to an SQS queue. A singleEC2 instance reads messages from the queue, processes them, and stores them in an DynamoDB table partitioned by unique order ID. Next month… Read more »

Amazon AWS Solution Architecture Practice Exam 2019 – Part 1

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Question 1) A company is storing an access key (access key ID and secret access key) in a text file on a custom AMI. The company uses the access key to access DynamoDBtables from instances created from the AMI. The security team has mandated a more secure solution.Which solution will meet the security team’s mandate?… Read more »

AWS Certified Cloud Practitioner – Foundational Sample Exam Questions

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        1) Why is AWS more economical than traditional data centers for applications with varying compute workloads? A) Amazon Elastic Compute Cloud (Amazon EC2) costs are billed on a monthly basis.B) Customers retain full administrative access to their Amazon EC2 instances.C) Amazon EC2 instances can be launched on-demand when needed.D) Customers can… Read more »

Amazon AWS Network Elastic Load Balancer (ELB)

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        Feature Application Load Balancer Network Load Balancer Classic Load Balancer Protocols HTTP, HTTPS TCP TCP, SSL/TLS, HTTP, HTTPS Platforms VPC VPC EC2-Classic, VPC Health checks ✔ ✔ ✔ CloudWatch metrics ✔ ✔ ✔ Logging ✔ ✔ ✔     Path-Based Routing ✔ Host-Based Routing ✔ Native HTTP/2 ✔ ✔ SSL offloading… Read more »

Amazon AWS – CloudWatch Custom Metrics , Monitoring

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  Monitoring EC2 with Custom Metrics   You can monitor your EC2 using CloudWatch using: CPU Network Disk Status Check Please note that RAM Utilization is a customer metric. By Default Ec2 monitors is for 5 mins interval, unless you enable detailed monitoring which will then make it 1 min intervals ( it will cost… Read more »

Amazon AWS OpsWorks Tutorial

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Amazon AWS OpsWorks   What is OpsWorks ?     AWS OpsWorks is a configuration management service that provides managed instances of Chef  . OpsWorks lets you use Chef to automate how servers are configured, deployed, and managed across your Amazon EC2 instances or on-premises compute environments.   It has these parts :   Chef… Read more »

Amazon AWS SSE-S3 Server Side Encryption Pt 1

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      AWS provides various options to encrypt your data on S3.   There are 2 types of encryption:   Client side: Client encrypts locally using tool/software of their choices Server Side encryption: Choose from available choices in AWS In this video, our focus will be Server Side Encryption (SSE) since Client side is… Read more »

Amazon AWS S3 VPC Endpoint

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  Amazon AWS S3 Endpoint       In Here we have One VPC =10.0.0.0/16  also we have  three Subnet as follow 10.0.1.0/24 Public Subnet1 10.0.2.0/24 Private Subnet2 10.0.3.0/24 Public Subnet3   I have two server one is called Public1 inside the Public Subnet=10.0.1.0/24 with Public Ip address: 34.201.13.154 Private Ip address = 10.0.1.183 Password… Read more »

Amazon Alexa Skills Development Tutorial

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                             In this video, we share how we made a quiz skill that has a database integration so that your progress can be saved.    These are the components of an Alexa skill:  Interaction model (acts like a front-end interface) Logic (Code… Read more »

Amazon Cloud Formation With Word Press Website

Posted filed under Amazon AWS.

  Step1: Go to Cloud formation Page Create a stack Step 2: Click on select from templates and choose WordPress Blog Step 3: Choose the parameters like username, password, key etc ** make sure you choose the right ssh key because we need to log in to the EC2 server later Step 4: On the… Read more »

Amazon AWS CLI S3 With Auto-Complete

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  Autocomplete Lesson: To add the autocomplete feature: $ echo “complete -C aws_completer aws” >> ~/.bash_profile $ source ~/.bash_profile S3 CLI commands Create a bucket: $ aws s3 mb s3://test-saurav-123 Remove the bucket: $ aws s3 rb test-saurav-123 Creating empty files in Linux : $ touch file{1..10} Copy a local file to a bucket: $… Read more »

Amazon AWS Auto Scaling with Load Balancing

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    Step 1) I will take image of One of My Web server called Webserver1, when I go to public IP address I will see the content of the Web server Step 2) I will stop the Instance; then Take an image of it. Call it “Webserver1Image” Step 3) Now I will see the… Read more »

Amazon AWS Lambda Tutorial – Schedule to Stop EC2 Instances

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  Lambda is an event-driven compute service. We have functions that execute when a trigger is triggered. In today’s lab, we will set up a trigger with Cloud watch Events. On top of that, we will need an IAM role that gives our lambda function permissions to Stop EC2 Instances. We will also add Cloud… Read more »

Amazon AWS EFS Elastic File System and ELB

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Amazon AWS EFS with ELB       EFS (Elastic File System) Features EFS is storage option for EC2, that can be attached to more than one EC2, remember Volume can only be attached to one EC2 EFS is Elastic, and it is scalable ( The storage capacity will increase or decrease as you add… Read more »

Amazon AWS EBS and Instance and Volume and Snapshot Part 1 and 2

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EBS Vs Instance Store, Snapshot, and Volume       Instance Store Volumes are sometimes called Ephemeral Storage. Instance Store volumes cannot be stopped. If the underlying host fails, you will lose your data. EBS backed instances can be stopped. You will not lose the data in this instance if it is stopped. You can… Read more »

Amazon SNS notification with S3

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Simple Notification Service (SNS)     SNS is integrated into many AWS services. We are able to use it to receive notifications when events occur in our AWS Environment. With CloudWatch and SNS a full environment monitoring solution could be created that notifies administrators of alerts, capacity issues, downtime, changes in the environment, and more!… Read more »

Amazon AWS Application Elastic Load Balance (ELB)

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Follow @ASM_Educational           Step 1) Create Target Group 1 (Pic) and Target Group 2 (video) Step 2) Associate /Register the above group with EC1(Pic1) and EC2 (Pic2) with group 1 click target Tab ( Make sure click to add to register , then Save ) Step 3) Associate /Register the above… Read more »

The OSI model

Posted filed under CompTIA Network+.

Follow @ASM_Educational Taking a Network+ exam? Follow us on Facebook and ask us about our study group.     The (Open Systems Interconnection) OSI has been developed by International Organization for Standardization (ISO). The OSI model provides a framework for creating and implementing networking standards and devices and describes how network applications on different computers… Read more »

802.11: Wi-Fi Standards

Posted filed under CompTIA Network+.

Follow @ASM_Educational Taking a Network+ exam? Follow us on Facebook and ask us about our study group. WiFi is not an acronym but a brand name created by a marketing firm that’s meant to serve as an interoperability seal for marketing efforts. WiFi technology however provides wireless Internet access via the use of radio waves… Read more »

COMPARE AND CONTRAST THE CHARACTERISTICS OF NETWORK TYPES

Posted filed under CompTIA Network+.

Follow @ASM_Educational Taking a Network+ exam? here are some network types you should know. What is a LAN ? A local area network (LAN) is a computer network within a small geographical area such as a home, school, computer laboratory, office building or group of buildings. A LAN is composed of inter-connected workstations and personal… Read more »

CompTIA Network+ — Domain Name System (DNS)

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Follow @ASM_Educational     (Domain Name System) The Internet’s system for converting alphabetic names into numeric IP addresses. For example, when a Web address (URL) is typed into a browser, DNS servers return the IP address of the Web server associated with that name. In this made-up example, the DNS converts the URL www.company.com into… Read more »

CompTIA Network+ — Networking Tools

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Follow @ASM_Educational   From Wikipedia   A. Cable Tester- A cable tester is an electronic device used to verify the electrical connections in a cable or other wired assembly. Generally, a cable tester consists of:   1. A source of electric current 2. A volt meter 3. A switching matrix used to connect the current… Read more »

Amazon AWS Nat Instance and NAT gateway

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Follow @ASM_Educational       The NAT Instance Install the NAT instance from Community AMI When creating a NAT instance , make sure Disable source/destination check Nat Instance must be in public subnet There must be route out of private subnet and pointed to NAT instance You Need to have a Security group for NAT… Read more »

Amazon AWS DNS Records Types

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Follow @ASM_Educational   From Wikipedia     Type Description Function A Address Record  Returns a 32-bit IPv4 address, most commonly used to map hostnames to an IP address of the host,but it is also used for DNSBLs, storing subnet masks in RFC 1101, etc. CNAME  Canonical Name Record Alias of one name to another: the… Read more »

CompTIA Network+ DNS Records Types

Posted filed under CompTIA Network+.

Follow @ASM_Educational   From Wikipedia     Type Description Function A Address Record  Returns a 32-bit IPv4 address, most commonly used to map hostnames to an IP address of the host,but it is also used for DNSBLs, storing subnet masks in RFC 1101, etc. CNAME  Canonical Name Record Alias of one name to another: the… Read more »

Setting Up with Amazon EC2

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If you’ve already signed up for Amazon Web Services (AWS), you can start using Amazon EC2 immediately. You can open the Amazon EC2 console, click Launch Instance, and follow the steps in the launch wizard to launch your first instance.

What Is Amazon EC2?

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Amazon Elastic Compute Cloud (Amazon EC2) provides scalable computing capacity in the Amazon Web Services (AWS) cloud. Using Amazon EC2 eliminates your need to invest in hardware up front, so you can develop and deploy applications faster.

Cisco CCNA IPv4 vs IPv6

Posted filed under Cisco CCNA.

Follow @ASM_Educational   Source Logical Operations     Get our complete tutorial in PDF         Related Links: Configuring IPv4 Configuring IPv6   Want more information on how to become Cisco CCNA Certified? Learn more! Join our Cisco CCNA facebook study group!  

Cisco CCNP Configuring IPv6

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Follow @ASM_Educational   Source Logical Operations   Get our complete tutorial in PDF       Configuring IPv6 Overview of IPv6 Implement IPv6 Addressing Implement IPv6 and IPv4 Transition from IPv4 to IPv6

Cisco CCNA Configuring IPv6

Posted filed under Cisco CCNA.

Follow @ASM_Educational   Source Logical Operations   Get our complete tutorial in PDF       Configuring IPv6 Overview of IPv6 Implement IPv6 Addressing Implement IPv6 and IPv4 Transition from IPv4 to IPv6

Cisco CCNA Configuring IPv4

Posted filed under Cisco CCNA.

Follow @ASM_Educational Source Logical Operations Get our complete tutorial in PDF Configuring IPv4  Overview of the TCP/IP Protocol Suite Describe IPv4 Addressing Implement Subnetting and Supernetting Configure and Troubleshoot IPv4

Cisco CCNA OSI Model

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Follow @ASM_Educational Description of OSI layers The recommendation X.200 describes seven layers, labeled 1 to 7. Layer 1 is the lowest layer in this model.

CompTIA Linux+ Troubleshooting

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In order to make troubleshooting as easy as possible, you should always use an organized methodology. Using simple best practices will do just that.

CompTIA Linux+ Configuration

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Configuring your Xwindows No matter what desktop environment you chose, it is most likely that it will use the Xwindows architecture.

CompTIA Linux+ Installation

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Media Linux installation can be done using a variety of different media. Each installation method has different pros and cons depending on the environment you have. Here are some examples:

CompTIA Linux+ Planning the Implemenation

Posted filed under CompTIA Linux+.

Linux Uses Linux is a pretty flexible operating system. Although it has got a lot of credibility over the years as a stable server platform, it is also an excellent desktop platform. Databases, mail servers as well as many appliances can be installed.

CompTIA Linux+ What is Linux?

Posted filed under CompTIA Linux+.

Linux is a 32 bit open source operating system. It is based on the very popular Unix operating system and it’s code is freely available (thus explaining the “open source” label as opposed to closed source where the code is not available freely).

Different Motherboard Form Factors

Posted filed under CompTIA A+.

Follow @ASM_Educational What are the Different Motherboard Form Factors? CompTIA A+ Exam objectives 1.2: sizes. Introduction to Motherboards A motherboard (MB), also known as a Mainboard, system board or logic board, is the central or primary circuit board in a Personal Computer (PC). It is an extremely complex electronic system that every device in a… Read more »

Backup and recovery

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Follow @ASM_Educational Backup and recovery procedures protect your data against data loss and reconstruct the data, should loss occur. When searching for a backup solution, you’ll find that there are two main types of backups: “file-level backup” and “image-level backup.” File-Level Backup File-level backups are the most common type of backup. This method has been… Read more »

CompTIA A+ Training (Display Adapters and Monitors)

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Follow @ASM_Educational Source by Wikipedia Monitor Connectors: · If you are using a Monochrome / CGA/ EGA monitor, it is a digital monitor and will have a DB-9 Male connector that plugs into a digital adapter. · If you are using a VGA/ SVGA monitor, it will have a male DB-15 connector that plugs into… Read more »

CompTIA A+ Training (Laptop Buses)

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Follow @ASM_Educational Source by Wikipedia A bus is a set of signal pathways that allow information to travel between components inside or outside of a computer. Laptop Buses PCMCIA or PC Card Personal Computer memory card international association is a type of bus use for laptops. There are different types of cards and you primarily… Read more »

CompTIA A+ Training (Other Types of Bus)

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Follow @ASM_Educational Source by Wikipedia A bus is a set of signal pathways that allow information to travel between components inside or outside of a computer. Other Types of Bus USB USB or Universal Serial Bus is an external bus that most popular form of bus use today USB is hot swappable USB can daisy-chain… Read more »

CompTIA A+ Types of Buses

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Follow @ASM_Educational Source by Wikipedia A bus is a set of signal pathways that allow information to travel between components inside or outside of a computer. Types of Bus External bus or Expansion bus allows the CPU to talk to the other devices in the computer and vice versa. It is called that because it’s external… Read more »

CompTIA A+ – MOD Advanced Computer Troubleshooting II

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Follow @ASM_Educational Source Quizlet   What are three common problem areas with laptops? Displays Storage devices and RAM Power and input devices     What tasks are associated with verifying work order information? Troubleshooting     What are the three possible areas that a technician must check for printer errors? The device Cable connection The… Read more »