Signed URLs for temporary access in GCP - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a Signed URL in Google Cloud Storage?

A Signed URL is a special web address that lets someone access a file in Google Cloud Storage temporarily without needing a Google account or permissions.

beginner

How does a Signed URL control access?

It includes a secret signature and an expiration time. Only requests with the correct signature before the expiration can access the file.

intermediate

Which key is used to create a Signed URL in GCP?

A service account's private key is used to sign the URL, proving the URL is authorized by the owner.

beginner

What is the typical use case for Signed URLs?

To share private files temporarily with users or systems without giving them full access to the storage bucket.

beginner

What happens when a Signed URL expires?

The URL stops working and users cannot access the file anymore unless a new Signed URL is generated.

What does a Signed URL in GCP allow?

A Temporary access to a private file without login

B Permanent public access to a file

C Access only to public files

D Access to the entire storage bucket

Signed URLs provide temporary access to private files without requiring user login.

Which component is essential to create a Signed URL?

A Public IP address

B Service account private key

C User password

D Bucket name only

The service account's private key is used to sign the URL securely.

What limits the time a Signed URL is valid?

A Expiration time set during URL creation

B User's login session

C Bucket permissions

D File size

Signed URLs include an expiration time after which they no longer grant access.

If a Signed URL expires, what must you do to regain access?

A Clear browser cache

B Change the file name

C Restart the storage bucket

D Generate a new Signed URL

A new Signed URL must be created to regain temporary access.

Who can use a Signed URL?

A Only users with Google accounts

B Only the file owner

C Anyone with the URL before it expires

D Only users in the same project

Anyone who has the Signed URL can access the file until it expires.

Explain what a Signed URL is and why it is useful in Google Cloud Storage.

Think about sharing a private file safely for a short time.

Describe the steps to create and use a Signed URL for a file in GCP.

Imagine you want to send a private file link to a friend that stops working after a while.