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CompTIA Security+ SY0-501 > Access Control and Identity Management > Flashcards

Access Control and Identity Management Flashcards

1
Q

What is EAL?

A

Evaluation Assurance Level

In combination with CC (Common Criteria)

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2
Q

When using hard drive encryption, why is automatic unlock not ideal?

A

Credentials are cached on the computer

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3
Q

What is an HSM?

A

Hardware Security Module

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4
Q

What is SCADA?

A

Supervisory Control and Data Aquisition

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5
Q

What is a TCP wrapper?

A

Intercepts requests to determine whether service is authorised to execute, should be used in conjunction with firewall

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6
Q

What is a TLS/SSL wrapper?

A

Intercepts requests to determine whether service is authorised to execute based on TLS/SSL session

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7
Q

What is AAA?

A

Authentication
Authorisation
Accounting (auditing)

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8
Q

What port does RADIUS use?

A

UDP
1812/1645 (Authentication)
1813/1646 (Accounting)

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9
Q

What port does TACACS+ use?

A

TCP

49

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10
Q

What is RADIUS?

A

Remote Authentication Dial-in User Service

Encrypts password credentials

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11
Q

What is TACACS?

A

Terminal Access Controller Access Control System

Encrypts entire packet

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12
Q

What is the KDC in Kerberos?

A 
Key Distribution Center
Contains TGS (Ticket Granting Service)
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13
Q

What kind of encryption does Kerberos use?

A

Symmetrical Encryption

Same key used to encrypt and decrypt

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14
Q

What port does Kerberos use?

A

88

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15
Q

What is X.500?

A

A protocol used by LDAP

Encrypted or unencrypted authentication

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16
Q

What port is used by LDAP?

A

389

17
Q

What port is used by secure LDAP?

A

636

uses TLS/SSL

18
Q

What is SAML?

A

Security Association Markup Language

SSO

19
Q

How does SAML concept work?

A

Principal authenticates with Identity Provider who passes credentials to service provider(s)

20
Q

What is TOTP?

A

Time-based One Time Password

21
Q

What is FRR vs FAR for authentication?

A

False Rejection Rate (Type 1)
False Acceptance Rate (Type 2)
Cross Error Rate - point at which both are equal

22
Q

What is HOTP?

A

Hash-based One Time Password

based on events

23
Q

What is PAP?

A

Password Authentication Protocol

Type of PPP

24
Q

What is CHAP?

A

Challenge Handshake Authentication Protocol

Type of PPP

CompTIA Security+ SY0-501 (13 decks)

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