VPN

Del Sutton
Quiz by Del Sutton, updated more than 1 year ago
Del Sutton
Created by Del Sutton almost 6 years ago
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Description

Quiz on VPN, created by Del Sutton on 04/23/2015.

Resource summary

Question 1

Question
Generic Routing Encapsulation (GRE) is a secure VPN technology for use on unsecured Intranets or the Internet ?
Answer
  • True
  • False

Question 2

Question
The ____ _____ ____ is the only type of encryption that has been proven to be absolutely impossible to crack if used correctly.
Answer
  • one
  • time
  • pad
  • sole

Question 3

Question
Select the most secure of the following encryption standards ?
Answer
  • TDES
  • DES
  • AES
  • DDES

Question 4

Question
IKE is the protocol used to set up a ______ ________ in the IPsec protocol suite.
Answer
  • Association
  • Secure
  • safe
  • available

Question 5

Question
The goals of cryptography are ?
Answer
  • Non-repudiation
  • Efficiency
  • Integrity
  • Authentication
  • Confidentiality
  • None of these.

Question 6

Question
Stream ciphers are generally associated with:
Answer
  • Once off authentications
  • High speed
  • Are slow due to the nature of the stream merging with the pseudo-random bits
  • Hardware implementations

Question 7

Question
In probability theory the ________ _________ is that in some set of randomly chosen people some pair of them will have the same birthday.
Answer
  • birthday
  • paradox
  • algorithm
  • Random

Question 8

Question
_________ ____ ______________ 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.
Answer
  • Internet
  • Key
  • Exchange
  • Important

Question 9

Question
With Cisco routers a GRE tunnel is not essential and traffic can be carried through untrusted networks using IPsec when tunnel mode is used ?
Answer
  • True
  • False

Question 10

Question
Auguste Kerckhoffs principle or law states that: “a cryptosystem should be secure even if everything about the system, except the key, is public knowledge”
Answer
  • True
  • False

Question 11

Question
A Virtual Private Network is either
Answer
  • 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.

Question 12

Question
For IPsec Encryption Transport mode order the protocols within the packet.
Answer
  • 1. Outer IP
  • 3. ESP
  • 4. IP
  • 5. Data
  • 2. AH

Question 13

Question
Check the algorithms that are considered hashing functions
Answer
  • MD5
  • SHA-1
  • MD-56
  • SHA-256
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