填空题 以下是SNMPv1定义的几种应用类型: NetworkAddress ::= CHOICE { internet IpAddress } IpAddress::= [APPLICATION 0] IMPLICIT OCTET STRING(SIZE(4)) Counter ::= [APPLICATION 1] IMPLICIT INTRGER(0..4294967295) Gauge ::= [APPLICATION 2] IMPLICIT INTEGER(0..4294967295) TimeTicks::= [APPLICATION 3] IMPLICIT INTEGER(0..4294967295) Opaque ::= [APPLICATION 4] IMPLICIT OCTET STRING 根据以上定义,依次填写这些类型Tag的BER编码: (填写十六进制形式) NetworkAddress (1) IpAddress (2) Counter (3) Gauge (4) TimeTicks (5) Opaque (6)