2571666
Descripción
Test por Del Sutton, actualizado hace más de 1 año
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Creado por Del Sutton
hace alrededor de 9 años
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Pregunta 1
Pregunta
Generic Routing Encapsulation (GRE) is a secure VPN technology for use on unsecured Intranets or the Internet ?
Respuesta
- True
- False
Pregunta 2
Pregunta
The ____ _____ ____ is the only type of encryption that has been proven to be absolutely impossible to crack if used correctly.
Respuesta
-
one
-
time
-
pad
-
sole
Pregunta 3
Pregunta
Select the most secure of the following encryption standards ?
Respuesta
-
TDES
-
DES
-
AES
-
DDES
Pregunta 4
Pregunta
IKE is the protocol used to set up a ______ ________ in the IPsec protocol suite.
Respuesta
-
Association
-
Secure
-
safe
-
available
Pregunta 5
Pregunta
The goals of cryptography are ?
Respuesta
-
Non-repudiation
-
Efficiency
-
Integrity
-
Authentication
-
Confidentiality
-
None of these.
Pregunta 6
Pregunta
Stream ciphers are generally associated with:
Respuesta
-
Once off authentications
-
High speed
-
Are slow due to the nature of the stream merging with the pseudo-random bits
-
Hardware implementations
Pregunta 7
Pregunta
In probability theory the ________ _________ is that in some set of randomly chosen people some pair of them will have the same birthday.
Respuesta
-
birthday
-
paradox
-
algorithm
-
Random
Pregunta 8
Pregunta
_________ ____ ______________ is used alongside IPsec as a key management protocol incorporating the Oakley key exchange and Skeme key exchange inside the Internet Security Association and Key Management Protocol (ISAKMP) framework.
Respuesta
-
Internet
-
Key
-
Exchange
-
Important
Pregunta 9
Pregunta
With Cisco routers a GRE tunnel is not essential and traffic can be carried through untrusted networks using IPsec when tunnel mode is used ?
Respuesta
- True
- False
Pregunta 10
Pregunta
Auguste Kerckhoffs principle or law states that: “a cryptosystem should be secure even if everything about the system, except the key, is public knowledge”
Respuesta
- True
- False
Pregunta 11
Pregunta
A Virtual Private Network is either
Respuesta
-
A computer network in which some of the links between nodes are carried over devices that are configured with private IP addresses (192.168.x.x).
-
A computer network built in the home whose IP addresses consist entirely of private addresses (192.168.x.x) and accesses the Internet only by NAT.
-
A network between routers that is hidden from computers around them.
-
A computer network in which some of the links between nodes are carried by open connections or virtual circuits in some larger network instead of by physical wires.
Pregunta 12
Pregunta
For IPsec Encryption Transport mode order the protocols within the packet.
Respuesta
-
1. Outer IP
-
3. ESP
-
4. IP
-
5. Data
-
2. AH
Pregunta 13
Pregunta
Check the algorithms that are considered hashing functions
Respuesta
-
MD5
-
SHA-1
-
MD-56
-
SHA-256
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