How many security group can attach to AWS EC2 instance? You can create up to 500 security groups per VPC. Can be increased by submitting request. You can have 50 inbound and 50 outbound rules per security group giving a total of 100 combined inbound and outbound. You can assign up to 5 security groups to a network interface.…
Month: July 2017
Which one is best to use NAT instance or NAT gateway?
Which one is best to use NAT instance or NAT gateway? NAT instance You can use a network address translation (NAT) instance in a public subnet in your VPC to enable instances in the private subnet to initiate outbound IPv4 traffic to the Internet or other AWS services, but prevent the instances from receiving inbound traffic initiated by someone…
How to find the ip address of aws elastic load balancer?
How to find the ip address of aws elastic load balancer? AWS Elastic Load balancer does not have any static IP address , in the backend it will keep change. You can do the NSlookup and get the IP but that is temporary IP address not persistent . You can initiate “ping” traffic and get response We can test…
AWS Data transfer charges – Quick guide
AWS Data transfer charges – Quick guide In cloud you can save maximum cost by how well you are designing your environment .If your architecture is not upto mark some times you need to spend more money than your on-premises.Because in cloud each and every resource is chargeable on hourly basis mostly. More important need to understand data transfer…
What is Instance store disk in AWS?
What is Instance store disk in AWS? An instance store provides temporary block-level storage for your instance Not an normal EBS storage type Temporary storage device , once you stop and start the instance or terminate the instance all the data will be erased.The data in an instance store persists only during the lifetime of its associated instance. If you reboot…
What is aws marketplace and how it works?
What is aws marketplace and how it works? AWS Marketplace is an online store (Same Like Android play store) that helps customers find, buy, and immediately start using the software and services . Simply we can say online software store for AWS specifically . You can use lot of free open source free products 2000+ Amazon Partner Network products are…
Difference between database running on AWS rds instance and db running on EC2 instance?
Difference between database running on AWS rds instance and db running on EC2 instance? Database can run in EC2 or AWS RDS service . AWS RDS has some advantages and dis advantages as well .Lets compare both in main parameters point of view
How to launch rds db instance in AWS?
How to launch rds db instance in AWS? AWS rds (Relational Database Service ) is a PAAS service model . You can setup your database easily ans so quickly less than 30 min.Cost efficient and res sizable capacity feature , also you can stop your DB instance if your not using (Applicable for Single AZ DB type only)…
How to configure VPC peering in AWS?
How to configure VPC peering in AWS? Normally network traffic blocked between VPCs.A VPC peering connection is a networking connection between two VPCs that enables you to route traffic between them using private IP addresses. You can create a VPC peering connection between your own VPCs, or with a VPC in another AWS account. In both cases, the VPCs must…
Difference between VPN and direct connect in aws
Difference between VPN and direct connect in aws
How to learn AWS cloud?
How to learn AWS cloud? Nowadays we are hearing the news often daily companies extended their environment to cloud, entire setup moved to cloud, new startup companies running their entire application into cloud. Now the debate between on-premise virtual environment and cloud has been coming down. The debate started on private cloud and public cloud and who is best…
AWS Solution Architect Associate
AWS Solution Architect Associate Exam Sample question Hello! We would like to share few points before going to AWS solution architect associate exam .AWS certification exam question will keep change . Don’t go just reading the dumps. Try to understand the basic concept then go through few sample question and do some hands on-practice .Infact there is no defined passing…
What is the advantages in AWS direct connect?
What is AWS Direct Connect? AWS Direct Connect service can establish private network connectivity from corporate Data Center to AWS with out inernet connection. AWS Direct Connect links your internal network to an AWS Direct Connect location over a standard 1 gigabit or 10 gigabit Ethernet fiber-optic cable. One end of the cable is connected to your router, the other…
Difference between virtual private gateway VPG and customer gateway CG in aws
Difference between virtual private gateway VPG and customer gateway CG in aws To establish VPN connection in AWS ,need Customer Gateway (CG ) and Virtual Private Gateway (VPG) . Its similar traditional site to site VPN . The difference is one end is your office router or appliance and another end is AWS router . But in AWS…