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Security + 007-18 SBOLC Questions and Answers
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Security + 007-18 SBOLC Questions and Answers
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Security + 007-18 SBOLC Questions and AnswersA method of encrypting by which units of plain text are replaced with cipher text,
according to a fixed system - ANSWER-Substitution ciphers
A method of encryption by which the positions held by units of plain text. - ANSWER-
transportation cipher
AES - ANSWER-Advance Encryption Standard Rindold is the cipher make it work.
Symmetric type of encryption
Authentication Types - ANSWER-1. Something you know
2. Something you have
3. Something you are
4.Something you do
5. Somewhere you are
Cryptographic hashing - ANSWER-Converts data into a hash, or unique signature
Defense in Depth - ANSWER-1.Data
2.Application
3. Hosts
4.Internal Network
5.Perimeter network
6.Physical facility
7.Users and Organizations
Definition: ALE - ANSWER-Annual Loss expectancy is the cost per year you can expect
from the threat, or the SLE*ARO
Definition: ARO - ANSWER-Annual rate of occurrence is how many times you expect a
given type of loss to occur a year
Definition: Block Cipher - ANSWER-Encrypts fixed size chunks of data at a time at 64 to
128 bits
Definition: Object (LSO) - ANSWER-Pieces of data stored on local computers by flash
applications
Definition: OCSP (Online Certificate Status Protocol) - ANSWER-Online Certificate
Status Protocol: Entity that sends the status of all certs
Definition: Stream Cipher - ANSWER-Bit to Bit encryption, plain text mixed with a key
stream controlled by a key
DHCP (Dynamic Host Configuration Protocol) 4 steps: - ANSWER-1. Discover
, 2. Offers an address
3. Requests to use an address
4. Acknowledges an address
Error Type 1:False Reject Rate - ANSWER-Authorized users are rejceted
Error Type 2: False Accept Rate - ANSWER-Unauthorized person or imposers are
accepted as authentic
Fuzzing - ANSWER-Using an automated program to send random data and random
data sizes to an application
IDP (Federated Identity Management) - ANSWER-Means of linking a user's identity with
their privileges in a manner that can be used ac cross boundaries.
Layer 1 OSI - ANSWER-Physical: Converts bits into voltage
Layer 2 OSI - ANSWER-Data-Link: Transmits frames over a single network connection
Layer 3 OSI - ANSWER-Network: Packets, end-to-end communication across one or
more sub-networks
Layer 4 OSI - ANSWER-Transport: Segments, Handles error recovery and flow control
Layer 5 OSI - ANSWER-Session: No Security, Connection establishment between
applications
Layer 6 OSI - ANSWER-Presentation: Puts into a format all computers can understand,
Encryption, translation, and compression occur here
Layer 7 OSI - ANSWER-Application: main interface between network and application
Mirroring Port Definition: - ANSWER-Allows network monitoring across a switch by
copying the frames to the mirrored port of the network switch.
PFS (Perfect Forward Secrecy) - ANSWER-Ephemeral key is short lived and what this
uses.
RC4 encryption protocol - ANSWER-Stream Cipher
Risk Assessment - ANSWER-1. Identify assets potentially at risk
2.Conduct a threat assessment for each asset
3.Analyze business impact for each threat
4.Determine the likelihood of a given threat doing damage
5.Prioritize risks by weighing likelyhood
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