Crate three packet mirroring policies: one for each zone. Create one group of collector instances for the us-west2 region. Configure each packet mirroring policy to match traffic for its zone based on instance-tags, and create a filter for TCP traffic.

Create one packet mirroring policy for the us-west2 region. Create one group of collector instances for the us-west2 region. Configure the packet mirroring policy to match traffic for web server instances based on instance-tags, and create a filter for TCP traffic.

Create three packet mirroring policies: one for each zone. Create three groups of collector instances: one group for each zone. Configure each policy to match traffic for its zone based on instance-tags, and create a filter for TCP traffic.

Create three packet mirroring policies: one for each zone. Create three groups of collector instances: one group for each zone. Configure each policy to match traffic for its zone based on subnets, and create a filter for TCP traffic.