1.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.We need to understand access control systems and (1)/ methodology, telecommunication and network (2)/ security, and security managing practice. (3)/ No error (4).

A. 1
B. 2
C. 3
D. 4
Answer» D. 4


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