Microservices API Gateway and Management 2

Question 1

Which API gateway pattern provides a tailored API for each client type, such as separate endpoints for web and mobile apps?

Accepted Answer

Backend for Frontend (BFF)

Answer

Strangler Fig

Answer

Sidecar

Answer

Bulkhead

Question 2

What is the primary purpose of request aggregation in an API gateway?

Accepted Answer

To combine multiple downstream service calls into a single client response

Answer

To encrypt all outgoing traffic

Answer

To cache static assets

Answer

To rotate TLS certificates

Question 3

Which gateway feature limits the number of requests a client can make in a given time window?

Accepted Answer

Rate limiting

Answer

Service discovery

Answer

Circuit breaking

Answer

Content negotiation

Question 4

When a gateway terminates TLS and forwards plain HTTP internally, this is known as:

Accepted Answer

TLS termination

Answer

Mutual TLS

Answer

Certificate pinning

Answer

TLS passthrough

Question 5

What does a circuit breaker in an API gateway prevent?

Accepted Answer

Repeated calls to a failing downstream service

Answer

Unauthorized user logins

Answer

SQL injection attacks

Answer

Duplicate cache entries

Question 6

Which standard is most commonly used by API gateways to validate bearer tokens for authorization?

Accepted Answer

OAuth 2.0 / JWT

Answer

FTP

Answer

SMTP

Answer

SNMP

Question 7

What is a key drawback of routing all traffic through a single API gateway?

Accepted Answer

It can become a single point of failure and bottleneck

Answer

It eliminates the need for monitoring

Answer

It prevents the use of HTTPS

Answer

It removes all latency