Answer:
D. Misconfigurations
Explanation:
There are a large number of network security vulnerability with is a continuously increasing as technology evolves. Examples of the vulnerabilities are DOS attacks, reconnaissance attack, spyware, key logger, Malicious ware attacks etc.
There are good ways of mitigating these attacks, but sometime lack of vendor support of network devices and end of life systms, broadens the attacks.
Alyona would discuss option A - C, but not D (Misconfigurations) because it would only imply the capacity of the network team.