1   Information in its original form is known as ____.
Plaintext
2   The firewall also hides the ____ of systems behind the application layer firewall.
addresses
3   Hash function is a _____ way function for creating a checksum from a piece of data.
one
4   When performing data encryption using public key encryption technique, the _______ key is used.
Public Key
5   After signing a piece of data using digital signature, the _______ is send together with the data.
signature
6   In key certification, the certificate contains the ________ and the identity of the owner who created the _______.
public key,private key
7   A VPN server that is a ____ should be placed in a dedicated DMZ.
Standalone system
8   Diffie-Helman algorithm is used to create a ______ key.
session
9   When a CA creates certificates for UserA and UserB, UserA trusts UserB because, UserA has the _______ of _______.
public key of CA
10  Speed and security are the primary benefits of the ____ system.
Hardware VPN
11  Application layer firewalls are ____ packages.
software
12  In packet filtering firewalls, policy rules are enforced through the use of ____ inspection filters.
packet
13  RSA is an example of ____.
Public key encryption
14  The ____ algorithm is the standard algorithm for digital signatures.
DSA
15  In ____ firewalls, Internet accessible systems are located between the firewalls.
Dual
16  ____ rules are enforced through the use of proxies.
Policy
17  When signing a piece of data using digital signature, the _______ key is used.
private
18  The ____ mode of DES uses a previously-generated ciphertext as input to DES.
Cipher Feedback
19  In order to speed up the process of data encryption and distribute the key, the data is encrypted using _________, and the key is encrypted using _________.
Symmetric, public
20  ____ are used to pipe traffic along a SSH session.
Tunnel