Why messaging matters in GCP - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a Pub/Sub topic named 'my-topic'.

GCP

gcloud pubsub topics create [1]

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

Adefault-topic

Btopic-1

Ctest-topic

Dmy-topic

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different topic name than 'my-topic'.

The command creates a Pub/Sub topic named 'my-topic'. This is the first step to enable messaging.

2fill in blank

medium

Complete the code to publish a message 'Hello' to the topic 'my-topic'.

GCP

gcloud pubsub topics publish my-topic --message=[1]

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

A"Hello World"

B"Message"

C"Hello"

D"Hi"

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different message text.

Missing quotes around the message.

The message 'Hello' is published to the topic 'my-topic'. Quotes are needed around the message.

3fill in blank

hard

Fix the error in the command to subscribe to 'my-topic' with subscription name 'my-sub'.

GCP

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

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

Amy-sub

Bmy-subscription

Cmy-topic

Dsubscription-1

Attempts:

3 left

💡 Hint

Common Mistakes

Using the topic name as subscription name.

Using a different subscription name.

The subscription name should be 'my-sub' as specified. Using the topic name or other names causes errors.

4fill in blank

hard

Fill both blanks to pull messages from subscription 'my-sub' and acknowledge them.

GCP

gcloud pubsub subscriptions pull [1] --auto-ack --limit=[2]

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

Amy-sub

B5

C10

Dmy-topic

Attempts:

3 left

💡 Hint

Common Mistakes

Using topic name instead of subscription name.

Using a limit number too large or unrelated.

The command pulls 5 messages from subscription 'my-sub' and acknowledges them automatically.

5fill in blank

hard

Fill all three blanks to create a push subscription named 'push-sub' for topic 'my-topic' with endpoint URL.

GCP

gcloud pubsub subscriptions create [1] --topic=[2] --push-endpoint=[3]

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

Apush-sub

Bmy-topic

Chttps://example.com/push

Dmy-sub

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing subscription and topic names.

Using invalid or missing endpoint URL.

This command creates a push subscription named 'push-sub' for the topic 'my-topic' with the given HTTPS endpoint.