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AWS Solutions Architect Professional > Network Design > Flashcards

Flashcards in Network Design Deck (14)
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1

Types of instances that support Enhanced Networking

C3,C4,D2,I2,M4,R3 (excluding m4.16xlarge)

2

Device that shows up for Enhanced Networking

ixgbevf

3

Requirements for Enhanced Networking and features

certain instance types, kernels greater than 2.6.32, jumbo frames supported and uses SR-IOV, must be HVM not DV vm's

4

T/F. You can connect all 4 regions to a single Direct Connect in one regions

True

5

ENA's Instances and device

C5, F1, G3, P2, P3, R4, X1 + m4.16xlarge shows up as ena device

6

Required kernel for ENA adapters and speed

Greater than 3.2 and speeds up to 25Gb/s

7

ELB Classic supports what ports for EC2 classic

25,80,443,465,587,1024-65535

8

ELB Classic supports what ports for EC2 VPC

1-65535

9

How can you obtain faster speeds than the 10Gb that managed NAT instances provide

You can still used instance based which can be scaled out or up, for example one per AZ and increase instance sizing. Instance based can also be used as bastion hosts

10

What addresses are reserved on a subnet and what are the uses?

.0 - network id
.1 - GW
.2 - DNS
.3 - Reserved
.255 - Broadcast not supported in AWS but reserved

11

What is the difference between CGW and VPG

Customer GW is on-premise and VPG (Virtual Private GW) is in AWS

12

What are CGW and VPG used for

They are the two anchor points on a VPN connection think IPSEC

13

T/F. You can assign EIPs to ELBs

False

14

T/F. Placement groups can span difference subnets

True as long as they are in the same VPC and not in different AZs