COMPUTER THREATS SECURITY
TYPES OF NETWORK SECURITY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
True
|
|
|
False
|
|
|
Either A or B
|
|
|
None of the above
|
Detailed explanation-1: -Digital certificates cannot be used to identify objects other than users. Digital signatures actually only show that the public key labeled as belonging to the person was used to encrypt the digital signature.
Detailed explanation-2: -Digital certificates facilitate secure electronic communication and data exchange between people, systems, and devices online. They are issued by Certificate Authorities (CAs) and perform two primary functions: Verifying the identity of the sender/receiver of an electronic message.
Detailed explanation-3: -Which of the following can a digital certificate NOT be used for? A digital certificate does not verify the authenticity of a CA; rather, a CA verifies the authenticity of a user.
Detailed explanation-4: -A digital certificate is a technology used to associate a user’s identity to a private key. A certificate repository (CR) is a publicly accessible centralized directory of digital certificates. Digital certificates should last forever. Stream ciphers work on multiple characters at a time.
Detailed explanation-5: -The Certifying Authorities are authorized to issue a Digital Signature Certificate with a validity of one or two years.