Home>> Network Security MCQs >> __________ means that the sender and the receiver expect confidentiality.

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

Three security goals are _______________________________________.

VPN technology uses two simultaneous techniques to guarantee privacy for an organization: ________ and ___________.

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

Which of the following attacks is threatening availability?

After a message is encrypted, it is called _______.

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

A _______ certifies the binding between a public key and its owner.

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

Which of the following attacks is threatening integrity?

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

The _______ protocol provides message authentication and integrity, but not privacy.

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

_____________ means concealing the contents of a message by enciphering.

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

A proxy firewall filters at the __________ layer.

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

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

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

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