Terms for subject Microsoft containing nivel de seguridad

Spanish	English
copia de seguridad a nivel de bloque	block level backup (A type of backup operation that can be performed on a file system. The backup and restore operations can either be full, incremental or differential, and a physical (block-level) restore is performed at the volume level)
entidad de seguridad a nivel de servidor	server-level principal (An account that is similar to the sa login in SQL Server. During the provisioning process, SQL Azure creates a login for you that is the server-level principal of your SQL Azure server. The SQL Azure server-level principal account has permission to manage all server-level and database-level security)
Nivel de seguridad y autenticación simples, SASL	Simple Authentication and Security Layer (An open framework, described in Request for Comments (RFC) 2222, for adding authentication support to connection-based protocols)