请翻译CCNA 48题的答案意思一下

48. What should be part of a comprehensive network security plan?
A. Allow users to develop their own approach to network security.
B. Physically secure network equipment from potential access by unauthorized individuals.
5 z1 J8 @; L: s! \, aC. Encourage users to use personal information in their passwords to minimize the likelihood of passwords being
forgotten.
& E4 w4 q  L& r7 \4 @9 V, ^+ mD. Delay deployment of software patches and updates until their effect on end-user equipment is well known and
widely reported.
E. Minimize network overhead by deactivating automatic antivirus client updates.
Answer: B

综合网络安全计划应该是什么？
B.物理安全的网络设备不受未经授权的人员的潜在访问