Home>> Network Security MCQs >> A packet-filter firewall filters at the ________ or ___________ layer.

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

In the ________ mode, the IPSec header is placed in front of the original IP header.

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

_________ cryptography is often used for long messages.

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

Which of the following attacks is threatening integrity?

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

The RSA algorithm for confidentiality uses _______ cryptography.

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

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

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.

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

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

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

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?

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

IPSec defines two protocols: _________ and __________.

Digital signature does not provide _________.

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