cybersecurity specialist is conducting a comprehensive security assessment focusing on the organization's use of cryptographic technologies and the configuration of its systems to safeguard against vulnerabilities. Which two of the following activities are essential for the specialist to perform to effectively assess the security posture regarding cryptographic algorithms? $($Select the two best options.$)$

A$.$Evaluating the strength of cryptographic keys

B$.$Inspecting network traffic for encrypted malicious payloads

C$.$Checking for default passwords in software applications

D$.$Reviewing the aesthetics of the user interface