QUESTION 13 The "Going Dark" problem refers to Othe difficulty of using asymmetric key encryption on resource-constrained devices O the difficulty law enforcement has in viewing lawfully intercepted communications due to the use of encryption O the exploitation of software vulnerabilities in communications platforms to gain read-access to communications O the lack of sunlight during the winter which is exacerbated by the ending of Daylight Savings time QUESTION 14 What does the following comma nd do chmod g+w,o-w file1 Add group write permissions and remove write permissions for everyone else for file1 Add group write permissions and remove write permissions for everyone besides the group and file owner for file1 O Change ownership of file1 to the group, which also gets write permissions Add write permissions to the file owner and remove write permissions for everyone else for file1 QUESTION 15 Buffer overflows are made possible when user inputs are allowed to exceed the specified input buffer size O True False QUESTION 16 A vulnerability in which there is a delay between when an operating system checks a file's write permissions and when a user writes to the file is referred to Oinput validation O incomplete mediation time-of-check to time-of-use O race condition