問題文
An engineer creating an Exascale VM Cluster typed exascale_prod_cluster_01 into the Cluster name field and the form refused it, although the same string had been accepted for the resource Name field earlier on the same tab. Which reading of the documented rules for the Cluster name explains the refusal?
選択肢
- It has to be unique within the subscription, and the resource Name field accepted the string only because uniqueness is settled later in the flow.
- It has to begin with an alphabetic character, it may carry underscores but not hyphens, and it is held to 30 characters, so the length alone is what the form refuses.
- It follows the same rules as the resource Name field, which allows underscores, so the digits at the end are what the form is refusing rather than the length.
- It has to begin with an alphabetic character, it may carry hyphens but not underscores, and it is held to 11 characters, so a string of this shape fails on more than one count.