312-50 Exam Dumps : Ethical Hacking and Countermeasures

Network firewalls can prevent attacks because they can detect malicious HTTP traffic.

Network firewalls cannot prevent attacks because ports 80 and 443 must be opened.

Network firewalls can prevent attacks if they are properly configured.

Network firewalls cannot prevent attacks because they are too complex to configure.

Asymmetric

Confidential

Symmetric

Non-confidential

A digital signature cannot be moved from one signed document to another because it is the hash of the original document encrypted with the private key of the signing party.

Digital signatures may be used in different documents of the same type.

A digital signature cannot be moved from one signed document to another because it is a plain hash of the document content.

Digital signatures are issued once for each user and can be used everywhere until they expire.