NetworkTier(value)This signifies the networking tier used for configuring this access configuration and can only take the following values: PREMIUM, STANDARD. If an AccessConfig is specified without a valid external IP address, an ephemeral IP will be created with this networkTier. If an AccessConfig with a valid external IP address is specified, it must match that of the networkTier associated with the Address resource owning that IP.
Values: UNDEFINED_NETWORK_TIER (0): A value indicating that the enum field is not set. FIXED_STANDARD (310464328): Public internet quality with fixed bandwidth. PREMIUM (399530551): High quality, Google-grade network tier, support for all networking products. STANDARD (484642493): Public internet quality, only limited support for other networking products. STANDARD_OVERRIDES_FIXED_STANDARD (465847234): (Output only) Temporary tier for FIXED_STANDARD when fixed standard tier is expired or not configured.