WorksheetsInfoSec Chapt 12 Protection Mechanisms
Total questions: 10
Worksheet time: 5mins
Which encryption technique is the successor to 3DES, and has a key length of 128, 192, or 256 bits?
Data Encryption Standard (DES)
Advanced Encryption Standard (AES)
Kerberos
IP Security (IPsec)
The XOR cipher conversion is a reversible process
True
False
After plaintext messages have been encrypted, the encrypted text is known as which of the following?
algorithm
decipher
cleartext
ciphertext
Private key encryption is also known as asymmetric encryption
True
False
Wireshark is an example of what type of utility?
Port scanner
Content filter
Packet sniffer
Vulnerability scanner
Which of the following uses a challenge response mechanism in which a server challenges a user with a number, which a user must then enter into a device to calculate the response number?
virtual password
synchronous token
smart card
asynchronous token
A password is typically longer than a passphrase
True
False
What is the name for a network segment that exists as an intermediate area between a trusted network and an untrusted network?
Proxied network zone (PNZ)
Sanitization zone (SZ)
Demilitarized zone (DMZ)
Internal-External zone (IEZ)
Which of the following terms best describe a firewall type that can react to network traffic and create or modify configuration rules to adapt?
application layer firewall
dynamic packet filtering firewall
proxy firewall
content filter
What term is described as the rate at which fraudulent users or nonusers are allowed access to systems as a result of failure within a biometric device?
False accept rate
False reject rate
Crossover error rate
False negative rate
