Home>> Network Security MCQs >> In __________ cryptography, the same key is used by the sender and the receiver.

After a message is encrypted, it is called _______.

___________ means that the data must arrive at the receiver exactly as they were sent.

In the _________ mode, the IPSec header is added between the IP header and the rest of the packet.

In the digital signature technique when the whole message is signed using an asymmetric key, the receiver of the message uses _______ to verify the signature.

Which of the following attacks is threatening availability?

In RSA, if user A wants to send an encrypted message to user B, the plaintext is encrypted with the public key of _______.

___________ cryptography is often used for short messages.

IPSec requires a logical connection between two hosts using a signaling protocol called ____________.

In the asymmetric-key method used for confidentiality, which key is publicly known?

The RSA algorithm for confidentiality uses _______ cryptography.

Three security goals are _______________________________________.

______________ means concealing the message by covering it with something else.

__________ means that the sender and the receiver expect confidentiality.

______________ can provide authentication, integrity, and nonrepudiation for a message.

IP Security (IPSec) is a collection of protocols designed by the IETF (Internet Engineering Task Force) to provide security for a packet at the _________ level.

In ___________, the identity of a party is verified once for the entire duration of system access.

IPSec defines two protocols: _________ and __________.

The _______ protocol provides message authentication, integrity, and privacy.

Digital signature does not provide _________.

In _________ cryptography, the same key is used in both directions.