ELB/ALB/NLB Flashcards Preview

AWS FAQs > ELB/ALB/NLB > Flashcards

Flashcards in ELB/ALB/NLB Deck (17):
1

Is request tracing supported on an ALB?

Yes, and it's enabled by default.

2

Can I configure a security group for the front-end of an ALB?

Yes.

3

Is backend server authentication supported with an ALB?

No, only encryption is supported.

4

What is the maximum number of load balancers per region?

20

5

NLBs provide __________ load balancing.

TCP (layer 4)

6

Can I convert a Classic Load Balancer to an ALB or vice versa?

No.

7

What protocols does a Classic LB support?

HTTP, HTTPS, SSL/TLS, TCP

8

If you need flexible application management and TLS termination then Amazon recommends you use a/an __________ load balancer.

Application

9

When should you use a Classic Load Balancer?

When your application is build within the EC2 Classic network.

10

If you need extreme performance and static IP for your application, Amazon recommends you use a/an __________ load balancer.

Network.

11

True or False:  You can configure an EC2 instance to only accept traffic from an ALB.

True.

12

What protocols does an ALB support?

HTTP, HTTPS

13

Does an ALB support SSL/TLS termination?

Yes, but you must install an SSL cert on the ALB so it can terminate the connection and decrypt requests.

14

Can I migrate to NLBs from Classic LBs?

Yes.

15

What OSI layer do NLBs operate at?

Layer 4 (transport layer)

16

What protocols does an NLB support?

TCP

17

Which OSI layer do ALBs operate at?

Layer 7 (application layer)