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Security+ > Devices and Infrastructure > Flashcards

Devices and Infrastructure Flashcards

1
Q

Access control list (ACL)

A

Data file that specified whether a user has access to a specific resource on a computer or network

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2
Q

ACL

A

access control list

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3
Q

Access point (AP)

A

The point at which access to a network is accomplished

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4
Q

AP

A

access point

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5
Q

Active response

A

A response generated in real time

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6
Q

Alarm

A

A notification that an unusual condition exists and should be investigated

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7
Q

Alert

A

An indication that an unusual condition COULD exist and should be investigated

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8
Q

all-in-one

A

An appliance that performs multiple functions

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9
Q

Analyzer

A

The component or process that analyzes the data collected by the sensor

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10
Q

Anomalies

A

Variations from normal operations

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11
Q

Anomaly-detection intrusion detection system (AD-IDS)

A

Works by looking for deviations from a pattern of normal network traffic

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12
Q

AD-IDS

A

anomaly-detection intrusion detection system

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13
Q

Application-level proxy

A

A device or software that recognizes application-specific commands and offers gradual control over them

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14
Q

Authentication header (AH)

A

An IPSec header used to provide connectionless integrity and data origin authentication; provides protection against replays

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15
Q

AH

A

authentication header

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16
Q

Compensating controls

A

Gap controls that fill in the coverage between the other types of vulnerability mitigation techniques

“Where there are holes in coverage, we compensate for them”

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17
Q

Data loss prevention (DLP)

A

Any systems that monitor and protect data to prevent it from unauthorized use, modification, or destruction

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18
Q

DLP

A

data loss prevention

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19
Q

Encapsulating Security Payload (ESP)

A

IPSec header used to provide a mix of security services in IPv4 and IPv6; can be used with IP authentication header (AH)

20
Q

ESP

A

encapsulating security payload

21
Q

Encapsulation

A

The process of enclosing data in a packet

22
Q

Host-based IDS (HIDS)

A

An intrusion detection system that is just based (as opposed to network based)

23
Q

HIDS

A

host-based intrusion detection system

24
Q

Hardware security module (HSM)

A

A software or appliance stand-alone used to enhance security; commonly used with PKI systems

25
Q

Implicit deny

A

A condition that states that u less otherwise given, the permission will be denied

26
Q

Internet Protocol Security (IPSec)

A

A set of protocols that enable encryption, authentication, and integrity over IP; commonly used with VPN

27
Q

HSM

A

hardware security module

28
Q

IPSec

A

Internet Protocol Security

29
Q

Key management

A

Management of all aspects of cryptographic keys in a cryptosystem (key generation, storage, etc)

30
Q

Load balancing

A

Dividing a load for greater efficiency of management among multiple devices

31
Q

Network access control (NAC)

A

The set of standards defined by the network for clients attempting to access it

32
Q

NAC

A

network access control

33
Q

Network intrusion prevention systems (NIPS)

A

An intrusion prevention system that is network based

34
Q

NIPS

A

network intrusion prevention system

35
Q

Network-based IDS (NIDS)

A

An approach to an intrusion detection system; placed at a point in the network where it can monitor and report on all network traffic

36
Q

Passive response

A

A nonactive response

Ex: logging, monitoring, etc

37
Q

NIDS

A

network-based intrusion detection system

38
Q

Proxy

A

A type of system that prevents direct communication between a client and a host by acting as an intermediary

39
Q

Proxy firewall

A

A proxy server that also acts as a firewall, blocking network access from external networks

40
Q

Secure Sockets Layer (SSL)

A

A protocol that secures messages by operating between the Application later (HTTP) and the transport layer

41
Q

SSL

A

Secure Sockets Layer

42
Q

SIEM

A

Security Information and Event Management

43
Q

Security Information and Event Management (SIEM)

A

Combines security information management (SIM) and security event management (SEM) functions to provide real-time analysis of security alerts

44
Q

Signature-based system

A

A system that acts based on the digital signature it sees and offers no repudiation to increase the integrity of a message

45
Q

SSID broadcast

A

An access point’s broadcasting of the network name

46
Q

Switch

A

A network device network that can replace a router in a local network

Security+ (12 decks)

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