The CCTV is capable of capturing peoples passing moments, so if any problems occur, the saved files are accessible.
The access control systems by recording traffic logs can lead administrators to monitor personals traffic and make strategic plans to this logs.
And the gates using access control systems can check license to allow or limit the entry of miscellaneous people into the places.
All of the systems mentioned above are complement and will improve the security.
Control entry and exit with more security
There are many ways to ensure security, each method is complementary to each other, for example, CCTV entry and exit control can complement the access control systems and speed gate systems.