VPC Flashcards
VPCs can span Regions
False, they are Region specifics
Max allowed VPCs/Region
5
You must create a VPC/Region, no default VPCs are avaiable
False, each Region comes with a Default VPC, so that you can launch EC2 directly if you want
Max Subnets/VPC
200
Does DNS names disabled by default?
True
VPC peering
lets you to connect one VPC with another over direct connect
VPC peering can be used across Regions and accounts
True
What configuration does VPC peering uses?
Star Config
Does VPC peering allows Transitive peering?
No transitive peering allowed, it needs one to one connection
VPC peering may overlap CIDR blocks?
No overlapping
_______ determines where network traffic is directing to
Route tables
It is not mandatory to associate each subnet with a route table?
False, it is mandatory.
A subnet can be part of many route tables at any time
False, Subnet can be part of one route table.
One route table can have multiple subnets?
True
Internet Gateway performs Network Address Translation (NAT) for instances that have been assigned public IPV4 addresses?
True
Does AWS has any service to replace traditional Bastion Host/Jump servers?
Yes, System Manager -> Session Manager replaces them
VPC endpoints?
Lets you privately connect your VPC to other AWS services and VPC endpoint services
Pros of VPC endpoints?
– Replaces IGW, NAT device, VPN connection, AWS direct connection
Does instances in VPC needs public IP addresses to communicate AWS services?
No, it does required.
Traffic will be sent to Internet to communicate with the services within AWS using VPC endpoints?
No
VPC flow logs
Captures the IP traffic information in and out of network interfaces within your VPC
Flow logs can be created for _____?
VPC, Subnets and Network interfaces