Section 8 High Availability & Scalability ELB & ASG

Question 1

Health checks with network load balancers support which protocols?

Answer 1

TCP
HTTP
HTTPS

Question 2

What protocol and port does the gateway load balancer use?

Answer 2

Geneve protocol on port 6081

Question 3

Gateway load balancers operate at what layer

Answer 3

Network layer(3)

Question 4

What two functions do GWLBs perform

Answer 4

Transparent network gateway and load balancing

Question 5

Sticky sessions work for which load balancers?

Answer 5

Classic
Application
Network

Question 6

Two types of sticky session cookie names

Answer 6

Application based
Duration Based

Question 7

Is cross zone load balancing enabled or disabled by default for an ALB

Answer 7

Enabled

Question 8

Is cross zone load balancing enabled or disabled by default for an NLB and GLB

Answer 8

Disabled

Question 9

Is cross zone load balancing enabled or disabled by default for an classic load balancer

Answer 9

Disabled

Question 10

What does connection draining or deregistration delay provide

Answer 10

It allows for in-flight requests to complete while an instance is re-registering or unhealthy