PCA (Prometheus Certified Associate) sample exam question with answer 118

Question:
The metric node_filesystem_avail_bytes reports the available bytes for each filesystem on a node. Which query will return all filesystems that has either less than 1000 available bytes or greater than 50000 bytes

1. node_filesystem_avail_bytes < 1000 || node_filesystem_avail_bytes > 50000
2. node_filesystem_avail_bytes < 1000 || > 50000
3. node_filesystem_avail_bytes < 1000 or > 50000
4. node_filesystem_avail_bytes < 1000 or node_filesystem_avail_bytes > 50000

Answer:
D - correct answer