Home>> Network Security MCQs >> Which of the following attacks is threatening availability?

A _______ is a trusted third party that solves the problem of symmetric-key distribution.

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

In the asymmetric-key method used for confidentiality, the receiver uses his/her own ______________ to decrypt the message.

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

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.

_______ was invented by Phil Zimmermann to provide all four aspects of security in the sending of email.

The ________ protocol is designed to authenticate the source host and to ensure the integrity of the payload carried by the IP packet.

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

IPSec operates at two different modes: _________ mode and _________ mode.

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

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

In __________ cryptography, everyone has access to everyone’s public key.

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

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

Which of the following attacks is threatening integrity?

IPSec defines two protocols: _________ and __________.

Three security goals are _______________________________________.

In __________ cryptography, the same key is used by the sender and the receiver.

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

Which of the following attacks is threatening availability?