Final answer:
In SNMPv2, community strings are used as the method to provide secure access to MIB objects, serving as a form of password for network management.
Step-by-step explanation:
If SNMPv2 is used in network management, community strings will provide secure access to MIB objects. Simple Network Management Protocol version 2 (SNMPv2) does not include packet encryption for security. Instead, it relies on community strings, which act like passwords to control access to Management Information Base (MIB) objects. Unlike SNMPv3, which does offer enhanced security features including packet encryption and message integrity, SNMPv2 relies on these community strings for its primary security mechanism.