Pull vs push subscriptions in GCP - Interactive Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a pull subscription in Google Cloud Pub/Sub.

GCP

gcloud pubsub subscriptions create my-subscription --topic=my-topic --[1]

Drag options to blanks, or click blank then click option'

Apush-endpoint

Bno-ack

Cpush

Dack-deadline

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'push' flag when creating a pull subscription

Omitting the acknowledgement deadline

The ack-deadline flag is used to set the acknowledgement deadline for a pull subscription. Pull subscriptions do not use the push flag.

2fill in blank

medium

Complete the code to create a push subscription with an endpoint URL.

GCP

gcloud pubsub subscriptions create my-push-sub --topic=my-topic --[1]=https://example.com/push

Drag options to blanks, or click blank then click option'

Apush-endpoint

Back-deadline

Cpush-url

Dendpoint

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'ack-deadline' instead of 'push-endpoint'

Using incorrect flag names like 'push-url'

The push-endpoint flag specifies the URL where messages are pushed in a push subscription.

3fill in blank

hard

Fix the error in the subscription creation command to correctly specify a push subscription.

GCP

gcloud pubsub subscriptions create my-sub --topic=my-topic --[1]=http://myservice.com/receive

Drag options to blanks, or click blank then click option'

Aack-deadline

Bpush

Cpush-endpoint

Dendpoint-url

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'push' instead of 'push-endpoint'

Using 'ack-deadline' for push subscriptions

The correct flag to specify the push endpoint URL is push-endpoint. Other options are invalid or incorrect.

4fill in blank

hard

Fill both blanks to configure a pull subscription with a 20-second acknowledgement deadline.

GCP

gcloud pubsub subscriptions create my-pull-sub --topic=my-topic --[1]=[2]

Drag options to blanks, or click blank then click option'

Aack-deadline

Bpush-endpoint

C20

D10

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'push-endpoint' for pull subscription

Setting acknowledgement deadline to 10 instead of 20

The ack-deadline flag sets the acknowledgement deadline, and 20 seconds is the desired value.

5fill in blank

hard

Fill all three blanks to create a push subscription with a 10-second acknowledgement deadline and a push endpoint URL.

GCP

gcloud pubsub subscriptions create my-push-sub --topic=my-topic --[1]=[2] --[3]=https://service.example.com/push

Drag options to blanks, or click blank then click option'

Aack-deadline

B10

Cpush-endpoint

Dpush-url

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'push-url' instead of 'push-endpoint'

Omitting the acknowledgement deadline

Setting wrong acknowledgement time

Push subscriptions can have an acknowledgement deadline set with ack-deadline and require the push-endpoint flag to specify the URL.