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Final Exam 2015+

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Exam Practice Questions
Alexandre Pinheiro
Test por Alexandre Pinheiro, actualizado hace más de 1 año
Alexandre Pinheiro
Creado por Alexandre Pinheiro hace más de 8 años
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Resumen del Recurso

Pregunta 1

Pregunta
Which of the following can be defined as the process of rerunning a portion of the test scenario or test plan to ensure that changes or corrections have not introduced new errors?
Respuesta
  • Unit testing
  • Parallel testing
  • Regression testing
  • Pilot testing

Pregunta 2

Pregunta
At which layer of the OSI model do sniffers operate?
Respuesta
  • Layer 2 - Data Link Layer
  • Layer 1 - Hardware layer
  • Layer 3 - Networking Layer
  • Layer 7 - Application layer

Pregunta 3

Pregunta
When two or more separate entities (usually persons) operating in concert to protect sensitive functions or information must combine their knowledge to gain access to an asset, this is known as?
Respuesta
  • Segragation of duties
  • Separation of duties
  • Need to know
  • Dual Control

Pregunta 4

Pregunta
What is the name for a substitution cipher that shifts the alphabet by 13 places?
Respuesta
  • Transposition cipher
  • Caesar cipher
  • Polyalphabetic cipher
  • ROT13 cipher

Pregunta 5

Pregunta
Your organization creates software applications that are sold to the public. Recently, management has become concerned about software piracy. Which organization deals with the prevention of this crime?
Respuesta
  • CIA
  • DoD
  • SPA
  • NCSC

Pregunta 6

Pregunta
A potential problem related to the physical installation of the Iris Scanner in regards to the usage of the iris pattern within a biometric system is:
Respuesta
  • Concern that the laser beam may cause eye damage.
  • The iris pattern changes as a person grows older.
  • There is a relatively high rate of false accepts.
  • The optical unit must be positioned so that the sun does not shine into the aperture.

Pregunta 7

Pregunta
In Mandatory Access Control, sensitivity labels attached to object contain what information?
Respuesta
  • The item's classification
  • The item's classification and category set
  • The item's category
  • The items's need to know

Pregunta 8

Pregunta
Which of the following is true about Kerberos?
Respuesta
  • It utilizes public key cryptography.
  • It encrypts data after a ticket is granted, but passwords are exchanged in plain text.
  • It depends upon symmetric ciphers.
  • It is a second party authentication system.

Pregunta 9

Pregunta
Which of the following is needed for System Accountability?
Respuesta
  • Audit mechanisms.
  • Documented design as laid out in the Common Criteria.
  • Authorization.
  • Formal verification of system design.

Pregunta 10

Pregunta
What is Kerberos?
Respuesta
  • A three-headed dog from the Egyptian mythology.
  • A trusted third-party authentication protocol.
  • A security model.
  • A remote authentication dial in user server.

Pregunta 11

Pregunta
Kerberos depends upon what encryption method?
Respuesta
  • Public Key cryptography.
  • Secret Key cryptography.
  • El Gamal cryptography.
  • Blowfish cryptography.

Pregunta 12

Pregunta
A confidential number used as an authentication factor to verify a user's identity is called a:
Respuesta
  • PIN
  • User ID
  • Password
  • Challenge

Pregunta 13

Pregunta
Individual accountability does not include which of the following?
Respuesta
  • unique identifiers
  • policies & procedures
  • access rules
  • audit trails

Pregunta 14

Pregunta
Which of the following exemplifies proper separation of duties?
Respuesta
  • Operators are not permitted modify the system time.
  • Programmers are permitted to use the system console.
  • Console operators are permitted to mount tapes and disks.
  • Tape operators are permitted to use the system console.

Pregunta 15

Pregunta
An access control policy for a bank teller is an example of the implementation of which of the following?
Respuesta
  • Rule-based policy
  • Identity-based policy
  • User-based policy
  • Role-based policy

Pregunta 16

Pregunta
Which one of the following authentication mechanisms creates a problem for mobile users?
Respuesta
  • Mechanisms based on IP addresses
  • Mechanism with reusable passwords
  • One-time password mechanism.
  • Challenge response mechanism.

Pregunta 17

Pregunta
Organizations should consider which of the following first before allowing external access to their LANs via the Internet?
Respuesta
  • Plan for implementing workstation locking mechanisms.
  • Plan for protecting the modem pool.
  • Plan for providing the user with his account usage information.
  • Plan for considering proper authentication options.

Pregunta 18

Pregunta
Kerberos can prevent which one of the following attacks?
Respuesta
  • Tunneling attack.
  • Playback (replay) attack.
  • Destructive attack.
  • Process attack.

Pregunta 19

Pregunta
In discretionary access environments, which of the following entities is authorized to grant information access to other people?
Respuesta
  • Manager
  • Group Leader
  • Security Manager
  • Data Owner

Pregunta 20

Pregunta
What is the main concern with single sign-on?
Respuesta
  • Maximum unauthorized access would be possible if a password is disclosed.
  • The security administrator's workload would increase.
  • The users' password would be too hard to remember.
  • User access rights would be increased.

Pregunta 21

Pregunta
Who developed one of the first mathematical models of a multilevel-security computer system?
Respuesta
  • Diffie and Hellman.
  • Clark and Wilson.
  • Bell and LaPadula.
  • Gasser and Lipner.

Pregunta 22

Pregunta
Which of the following attacks could capture network user passwords?
Respuesta
  • Data diddling
  • Sniffing
  • IP Spoofing
  • Smurfing

Pregunta 23

Pregunta
Which of the following would constitute the best example of a password to use for access to a system by a network administrator?
Respuesta
  • holiday
  • Christmas12
  • Jenny
  • GyN19Za!

Pregunta 24

Pregunta
What physical characteristic does a retinal scan biometric device measure?
Respuesta
  • The amount of light reaching the retina
  • The amount of light reflected by the retina
  • The pattern of light receptors at the back of the eye
  • The pattern of blood vessels at the back of the eye

Pregunta 25

Pregunta
The Computer Security Policy Model the Orange Book is based on is which of the following?
Respuesta
  • Bell-LaPadula
  • Data Encryption Standard
  • Kerberos
  • Tempest

Pregunta 26

Pregunta
The end result of implementing the principle of least privilege means which of the following?
Respuesta
  • Users would get access to only the info for which they have a need to know
  • Users can access all systems.
  • Users get new privileges added when they change positions.
  • Authorization creep.

Pregunta 27

Pregunta
Which of the following is the most reliable authentication method for remote access?
Respuesta
  • Variable callback system
  • Synchronous token
  • Fixed callback system
  • Combination of callback and caller ID

Pregunta 28

Pregunta
Which of the following is true of two-factor authentication?
Respuesta
  • It uses the RSA public-key signature based on integers with large prime factors.
  • It requires two measurements of hand geometry.
  • It does not use single sign-on technology.
  • It relies on two independent proofs of identity.

Pregunta 29

Pregunta
The primary service provided by Kerberos is which of the following?
Respuesta
  • non-repudiation
  • confidentiality
  • authentication
  • authorization

Pregunta 30

Pregunta
There are parallels between the trust models in Kerberos and Public Key Infrastructure (PKI). When we compare them side by side, Kerberos tickets correspond most closely to which of the following?
Respuesta
  • public keys
  • private keys
  • public-key certificates
  • private-key certificates

Pregunta 31

Pregunta
In which of the following security models is the subject's clearance compared to the object's classification such that specific rules can be applied to control how the subject-to-object interactions take place?
Respuesta
  • Bell-LaPadula model
  • Biba model
  • Access Matrix model
  • Take-Grant model

Pregunta 32

Pregunta
Which of the following was developed to address some of the weaknesses in Kerberos and uses public key cryptography for the distribution of secret keys and provides additional access control support?
Respuesta
  • SESAME
  • RADIUS
  • KryptoKnight
  • TACACS+

Pregunta 33

Pregunta
Single Sign-on (SSO) is characterized by which of the following advantages?
Respuesta
  • Convenience
  • Convenience and centralized administration
  • Convenience and centralized data administration
  • Convenience and centralized network administration

Pregunta 34

Pregunta
What is the primary role of smartcards in a PKI?
Respuesta
  • Transparent renewal of user keys
  • Easy distribution of the certificates between the users
  • Fast hardware encryption of the raw data
  • Tamper resistant, mobile storage and application of private keys of the users

Pregunta 35

Pregunta
What kind of certificate is used to validate a user identity?
Respuesta
  • Public key certificate
  • Attribute certificate
  • Root certificate
  • Code signing certificate

Pregunta 36

Pregunta
The following is not a security characteristic we need to consider while choosing a biometric identification systems:
Respuesta
  • data acquisition process
  • cost
  • enrollment process
  • speed and user interface

Pregunta 37

Pregunta
In biometric identification systems, at the beginning, it was soon apparent that truly positive identification could only be based on physical attributes of a person. This raised the necessity of answering 2 questions:
Respuesta
  • what was the sex of a person and his age
  • what part of body to be used and how to accomplish identification that is viable
  • what was the age of a person and his income level
  • what was the tone of the voice of a person and his habits

Pregunta 38

Pregunta
In biometric identification systems, the parts of the body conveniently available for identification are:
Respuesta
  • neck and mouth
  • hands, face, and eyes
  • feet and hair
  • voice and neck

Pregunta 39

Pregunta
Controlling access to information systems and associated networks is necessary for the preservation of their:
Respuesta
  • Authenticity, confidentiality and availability
  • Confidentiality, integrity, and availability.
  • integrity and availability.
  • authenticity, confidentiality, integrity and availability.

Pregunta 40

Pregunta
To control access by a subject (an active entity such as individual or process) to an object (a passive entity such as a file) involves setting up:
Respuesta
  • Access Rules
  • Access Matrix
  • Identification controls
  • Access terminal

Pregunta 41

Pregunta
Rule-Based Access Control (RuBAC) access is determined by rules. Such rules would fit within what category of access control?
Respuesta
  • Discretionary Access Control (DAC)
  • Mandatory Access control (MAC)
  • Non-Discretionary Access Control (NDAC)
  • Lattice-based Access control

Pregunta 42

Pregunta
The type of discretionary access control (DAC) that is based on an individual's identity is also called:
Respuesta
  • Identity-based Access control
  • Rule-based Access control
  • Non-Discretionary Access Control
  • Lattice-based Access control

Pregunta 43

Pregunta
Which access control type has a central authority that determine to what objects the subjects have access to and it is based on role or on the organizational security policy?
Respuesta
  • Mandatory Access Control
  • Discretionary Access Control
  • Non-Discretionary Access Control
  • Rule-based Access control

Pregunta 44

Pregunta
Which of the following control pairings include: organizational policies and procedures, pre- employment background checks, strict hiring practices, employment agreements, employee termination procedures, vacation scheduling, labeling of sensitive materials, increased supervision, security awareness training, behavior awareness, and sign-up procedures to obtain access to information systems and networks?
Respuesta
  • Preventive/Administrative Pairing
  • Preventive/Technical Pairing
  • Preventive/Physical Pairing
  • Detective/Administrative Pairing

Pregunta 45

Pregunta
Technical controls such as encryption and access control can be built into the operating system, be software applications, or can be supplemental hardware/software units. Such controls, also known as logical controls, represent which pairing?
Respuesta
  • Preventive/Administrative Pairing
  • Preventive/Technical Pairing
  • Preventive/Physical Pairing
  • Detective/Technical Pairing

Pregunta 46

Pregunta
What is called the use of technologies such as fingerprint, retina, and iris scans to authenticate the individuals requesting access to resources?
Respuesta
  • Micrometrics
  • Macrometrics
  • Biometrics
  • MicroBiometrics

Pregunta 47

Pregunta
What is called the access protection system that limits connections by calling back the number of a previously authorized location?
Respuesta
  • Sendback systems
  • Callback forward systems
  • Callback systems
  • Sendback forward systems

Pregunta 48

Pregunta
What are called user interfaces that limit the functions that can be selected by a user?
Respuesta
  • Constrained user interfaces
  • Limited user interfaces
  • Mini user interfaces
  • Unlimited user interfaces

Pregunta 49

Pregunta
Controls such as job rotation, the sharing of responsibilities, and reviews of audit records are associated with:
Respuesta
  • Preventive/physical
  • Detective/technical
  • Detective/physical
  • Detective/administrative

Pregunta 50

Pregunta
The control measures that are intended to reveal the violations of security policy using software and hardware are associated with:
Respuesta
  • Preventive/physical
  • Detective/technical
  • Detective/physical
  • Detective/administrative

Pregunta 51

Pregunta
The controls that usually require a human to evaluate the input from sensors or cameras to determine if a real threat exists are associated with:
Respuesta
  • Preventive/physical
  • Detective/technical
  • Detective/physical
  • Detective/administrative

Pregunta 52

Pregunta
External consistency ensures that the data stored in the database is:
Respuesta
  • in-consistent with the real world.
  • remains consistant when sent from one system to another.
  • consistent with the logical world.
  • consistent with the real world.

Pregunta 53

Pregunta
A central authority determines what subjects can have access to certain objects based on the organizational security policy is called:
Respuesta
  • Mandatory Access Control
  • Discretionary Access Control
  • Non-Discretionary Access Control
  • Rule-based Access control

Pregunta 54

Pregunta
What is called the act of a user professing an identity to a system, usually in the form of a log-on ID?
Respuesta
  • Authentication
  • Identification
  • Authorization
  • Confidentiality

Pregunta 55

Pregunta
Which one of the following factors is not one on which Authentication is based?
Respuesta
  • Type 1 Something you know, such as a PIN or password
  • Type 2 Something you have, such as an ATM card or smart card
  • Type 3 Something you are (based upon one or more intrinsic physical or behavioral traits), such as a fingerprint or retina scan
  • Type 4 Something you are, such as a system administrator or security administrator

Pregunta 56

Pregunta
A central authority determines what subjects can have access to certain objects based on the organizational security policy is called:
Respuesta
  • Mandatory Access Control
  • Discretionary Access Control
  • Non-Discretionary Access Control
  • Rule-based Access control

Pregunta 57

Pregunta
What is called the act of a user professing an identity to a system, usually in the form of a log-on ID?
Respuesta
  • Authentication
  • Identification
  • Authorization
  • Confidentiality

Pregunta 58

Pregunta
What is called the verification that the user's claimed identity is valid and is usually implemented through a user password at log-on time?
Respuesta
  • Authentication
  • Identification
  • Integrity
  • Confidentiality

Pregunta 59

Pregunta
Which one of the following factors is not one on which Authentication is based?
Respuesta
  • Type 1 Something you know, such as a PIN or password
  • Type 2 Something you have, such as an ATM card or smart card
  • Type 3 Something you are (based upon one or more intrinsic physical or behavioral traits), such as a fingerprint or retina scan
  • Type 4 Something you are, such as a system administrator or security administrator

Pregunta 60

Pregunta
The act of requiring two of the three factors to be used in the authentication process refers to:
Respuesta
  • Two-Factor Authentication
  • One-Factor Authentication
  • Bi-Factor Authentication
  • Double Authentication

Pregunta 61

Pregunta
Which type of password provides maximum security because a new password is required for each new log-on?
Respuesta
  • One-time or dynamic password
  • Congnitive password
  • Static password
  • Passphrase

Pregunta 62

Pregunta
What is called a password that is the same for each log-on session?
Respuesta
  • "one-time password"
  • "two-time password"
  • static password
  • dynamic password

Pregunta 63

Pregunta
What is called a sequence of characters that is usually longer than the allotted number for a password?
Respuesta
  • passphrase
  • cognitive phrase
  • anticipated phrase
  • Real phrase

Pregunta 64

Pregunta
Which best describes a tool (i.e. keyfob, calculator, memory card or smart card) used to supply dynamic passwords?
Respuesta
  • Tickets
  • Tokens
  • Token passing networks
  • Coupons

Pregunta 65

Pregunta
Which of the following would be true about Static password tokens?
Respuesta
  • The owner identity is authenticated by the token
  • The owner will never be authenticated by the token.
  • The owner will authenticate himself to the system
  • The token does not authenticates the token owner but the system

Pregunta 66

Pregunta
In Synchronous dynamic password tokens:
Respuesta
  • The token generates a new password value at fixed time intervals (this password could be based on the time of day encrypted with a secret key).
  • The token generates a new non-unique password value at fixed time intervals (this password could be based on the time of day encrypted with a secret key).
  • The unique password is not entered into a system or workstation along with an owner's PIN.
  • The authentication entity in a system or workstation knows an owner's secret key and PIN, and the entity verifies that the entered password is invalid and that it was entered during the invalid time window

Pregunta 67

Pregunta
In biometrics, "one-to-many" search against database of stored biometric images is done in:
Respuesta
  • Authentication
  • Identification
  • Identities
  • Identity-based access control

Pregunta 68

Pregunta
Which of the following is true of biometrics?
Respuesta
  • It is used for identification in physical controls and it is not used in logical controls
  • It is used for authentication in physical controls and for identification in logical controls
  • It is used for identification in physical controls and for authentication in logical controls.
  • Biometrics has not role in logical controls.

Pregunta 69

Pregunta
What is called the percentage of valid subjects that are falsely rejected by a Biometric Authentication system?
Respuesta
  • False Rejection Rate (FRR) or Type I Error
  • False Acceptance Rate (FAR) or Type II Error
  • Crossover Error Rate (CER)
  • True Rejection Rate (TRR) or Type III Error

Pregunta 70

Pregunta
What is called the percentage of invalid subjects that are falsely accepted by a Biometric authentication system?
Respuesta
  • False Rejection Rate (FRR) or Type I Error
  • False Acceptance Rate (FAR) or Type II Error
  • Crossover Error Rate (CER)
  • True Acceptance Rate (TAR) or Type III Error

Pregunta 71

Pregunta
What is called the percentage at which the False Rejection Rate equals the False Acceptance Rate?
Respuesta
  • False Rejection Rate (FRR) or Type I Error
  • False Acceptance Rate (FAR) or Type II Error
  • Crossover Error Rate (CER)
  • Failure to enroll rate (FTE or FER)

Pregunta 72

Pregunta
Considerations of privacy, invasiveness, and psychological and physical comfort when using the system are important elements for which of the following?
Respuesta
  • Accountability of biometrics systems
  • Acceptability of biometrics systems
  • Availability of biometrics systems
  • Adaptability of biometrics systems

Pregunta 73

Pregunta
Which of the following offers advantages such as the ability to use stronger passwords, easier password administration, one set of credential, and faster resource access?
Respuesta
  • Smart cards
  • Single Sign-On (SSO)
  • Symmetric Ciphers
  • Public Key Infrastructure (PKI)

Pregunta 74

Pregunta
Which of the following describes the major disadvantage of many Single Sign-On (SSO) implementations?
Respuesta
  • Once an individual obtains access to the system through the initial log-on, they have access to all resources within the environment that the account has access to.
  • The initial logon process is cumbersome to discourage potential intruders.
  • Once a user obtains access to the system through the initial log-on, they only need to logon to some applications.
  • Once a user obtains access to the system through the initial log-on, he has to logout from all other systems

Pregunta 75

Pregunta
Which of the following is implemented through scripts or smart agents that replays the users multiple log-ins against authentication servers to verify a user's identity which permit access to system services?
Respuesta
  • Single Sign-On
  • Dynamic Sign-On
  • Smart cards
  • Kerberos

Pregunta 76

Pregunta
Which of the following is not true of the Kerberos protocol?
Respuesta
  • Only a single login is required per session.
  • The initial authentication steps are done using public key algorithm
  • The KDC is aware of all systems in the network and is trusted by all of them
  • It performs mutual authentication

Pregunta 77

Pregunta
The authenticator within Kerberos provides a requested service to the client after validating which of the following?
Respuesta
  • timestamp
  • client public key
  • client private key
  • server public key

Pregunta 78

Pregunta
Which of the following is addressed by Kerberos?
Respuesta
  • Confidentiality and Integrity
  • Authentication and Availability
  • Validation and Integrity
  • Auditability and Integrity

Pregunta 79

Pregunta
Kerberos is vulnerable to replay in which of the following circumstances?
Respuesta
  • When a private key is compromised within an allotted time window
  • When a public key is compromised within an allotted time window.
  • When a ticket is compromised within an allotted time window.
  • When the KSD is compromised within an allotted time window.

Pregunta 80

Pregunta
Like the Kerberos protocol, SESAME is also subject to which of the following?
Respuesta
  • timeslot replay
  • password guessing
  • symmetric key guessing
  • asymmetric key guessing

Pregunta 81

Pregunta
RADIUS incorporates which of the following services?
Respuesta
  • Authentication server and PIN codes.
  • Authentication of clients and static passwords generation.
  • Authentication of clients and dynamic passwords generation.
  • Authentication server as well as support for Static and Dynamic passwords.

Pregunta 82

Pregunta
Which of the following protects a password from eavesdroppers and supports the encryption of communication?
Respuesta
  • Challenge Handshake Authentication Protocol (CHAP)
  • Challenge Handshake Identification Protocol (CHIP)
  • Challenge Handshake Encryption Protocol (CHEP)
  • Challenge Handshake Substitution Protocol (CHSP)

Pregunta 83

Pregunta
Which of the following represents the columns of the table in a relational database?
Respuesta
  • attributes
  • relation
  • record retention
  • records or tuples

Pregunta 84

Pregunta
A database view is the results of which of the following operations?
Respuesta
  • Join and Select.
  • Join, Insert, and Project
  • Join, Project, and Create.
  • Join, Project, and Select.

Pregunta 85

Pregunta
Which of the following is used to create and modify the structure of your tables and other objects in the database?
Respuesta
  • SQL Data Definition Language (DDL)
  • SQL Data Manipulation Language (DML)
  • SQL Data Relational Language (DRL)
  • SQL Data Identification Language (DIL)

Pregunta 86

Pregunta
Which of the following is used to monitor network traffic or to monitor host audit logs in real time to determine violations of system security policy that have taken place?
Respuesta
  • Intrusion Detection System
  • Compliance Validation System
  • Intrusion Management System (IMS)
  • Compliance Monitoring System

Pregunta 87

Pregunta
Which of the following monitors network traffic in real time?
Respuesta
  • network-based IDS
  • host-based IDS
  • application-based IDS
  • firewall-based IDS

Pregunta 88

Pregunta
A host-based IDS is resident on which of the following?
Respuesta
  • On each of the critical hosts
  • decentralized hosts
  • central hosts
  • bastion hosts

Pregunta 89

Pregunta
Which of the following usually provides reliable, real-time information without consuming network or host resources?
Respuesta
  • network-based IDS
  • host-based IDS
  • application-based IDS
  • firewall-based IDS

Pregunta 90

Pregunta
The fact that a network-based IDS reviews packets payload and headers enable which of the following?
Respuesta
  • Detection of denial of service
  • Detection of all viruses
  • Detection of data corruption
  • Detection of all password guessing attacks

Pregunta 91

Pregunta
Which of the following reviews system and event logs to detect attacks on the host and determine if the attack was successful?
Respuesta
  • host-based IDS
  • firewall-based IDS
  • bastion-based IDS
  • server-based IDS

Pregunta 92

Pregunta
What would be considered the biggest drawback of Host-based Intrusion Detection systems (HIDS)?
Respuesta
  • It can be very invasive to the host operating system
  • Monitors all processes and activities on the host system only
  • Virtually eliminates limits associated with encryption
  • They have an increased level of visibility and control compared to NIDS

Pregunta 93

Pregunta
Attributes that characterize an attack are stored for reference using which of the following Intrusion Detection System (IDS)?
Respuesta
  • signature-based IDS
  • statistical anomaly-based IDS
  • event-based IDS
  • inferent-based IDS

Pregunta 94

Pregunta
Which of the following is an issue with signature-based intrusion detection systems?
Respuesta
  • Only previously identified attack signatures are detected.
  • Signature databases must be augmented with inferential elements.
  • It runs only on the windows operating system
  • Hackers can circumvent signature evaluations.

Pregunta 95

Pregunta
Which of the following is an IDS that acquires data and defines a "normal" usage profile for the network or host?
Respuesta
  • Statistical Anomaly-Based ID
  • Signature-Based ID
  • dynamical anomaly-based ID
  • inferential anomaly-based ID

Pregunta 96

Pregunta
Which of the following is most relevant to determining the maximum effective cost of access control?
Respuesta
  • the value of information that is protected
  • management's perceptions regarding data importance
  • budget planning related to base versus incremental spending
  • the cost to replace lost data

Pregunta 97

Pregunta
Which of the following is not a factor related to Access Control?
Respuesta
  • integrity
  • authenticity
  • confidentiality
  • availability

Pregunta 98

Pregunta
Which of the following is most appropriate to notify an external user that session monitoring is being conducted?
Respuesta
  • Logon Banners
  • Wall poster
  • Employee Handbook
  • Written agreement

Pregunta 99

Pregunta
Which of the following pairings uses technology to enforce access control policies?
Respuesta
  • Preventive/Administrative
  • Preventive/Technical
  • Preventive/Physical
  • Detective/Administrative

Pregunta 100

Pregunta
In the course of responding to and handling an incident, you work on determining the root cause of the incident. In which step are you in?
Respuesta
  • Recovery
  • Containment
  • Triage
  • Analysis and tracking

Pregunta 101

Pregunta
Access control is the collection of mechanisms that permits managers of a system to exercise a directing or restraining influence over the behavior, use, and content of a system. It does not permit management to:
Respuesta
  • specify what users can do
  • specify which resources they can access
  • specify how to restrain hackers
  • specify what operations they can perform on a system

Pregunta 102

Pregunta
Access Control techniques do not include which of the following choices?
Respuesta
  • Relevant Access Controls
  • Discretionary Access Control
  • Mandatory Access Control
  • Lattice Based Access Control

Pregunta 103

Pregunta
Which of the following statements relating to the Bell-LaPadula security model is false (assuming the Strong Star property is not being used)?
Respuesta
  • A subject is not allowed to read up
  • The *- property restriction can be escaped by temporarily downgrading a high level subject.
  • A subject is not allowed to read down
  • It is restricted to confidentiality

Pregunta 104

Pregunta
When a biometric system is used, which error type deals with the possibility of granting access to impostors who should be rejected?
Respuesta
  • Type I error
  • Type II error
  • Type III error
  • Crossover error

Pregunta 105

Pregunta
Which of the following is the FIRST step in protecting data's confidentiality?
Respuesta
  • Install a firewall
  • Implement encryption
  • Identify which information is sensitive
  • Review all user access rights

Pregunta 106

Pregunta
Which of the following best ensures accountability of users for the actions taken within a system or domain?
Respuesta
  • Identification
  • Authentication
  • Authorization
  • Credentials

Pregunta 107

Pregunta
Which of the following statements pertaining to biometrics is false?
Respuesta
  • User can be authenticated based on behavior.
  • User can be authenticated based on unique physical attributes.
  • User can be authenticated by what he knows.
  • A biometric system's accuracy is determined by its crossover error rate (CER).

Pregunta 108

Pregunta
Which of the following biometric devices offers the LOWEST CER?
Respuesta
  • Keystroke dynamics
  • Voice verification
  • Iris scan
  • Fingerprint

Pregunta 109

Pregunta
Which of the following is the weakest authentication mechanism?
Respuesta
  • Passphrases
  • Passwords
  • One-time passwords
  • Token devices

Pregunta 110

Pregunta
Which of the following statements pertaining to access control is false?
Respuesta
  • Users should only access data on a need-to-know basis.
  • If access is not explicitly denied, it should be implicitly allowed.
  • Access rights should be granted based on the level of trust a company has on a subject.
  • Roles can be an efficient way to assign rights to a type of user who performs certain tasks.

Pregunta 111

Pregunta
Which of the following is not part of the Kerberos authentication protocol?
Respuesta
  • Symmetric key cryptography
  • Authentication service (AS)
  • Principals
  • Public Key

Pregunta 112

Pregunta
Which access control model enables the owner of the resource to specify what subjects can access specific resources based on their identity?
Respuesta
  • Discretionary Access Control
  • Mandatory Access Control
  • Sensitive Access Control
  • Role-based Access Control

Pregunta 113

Pregunta
Which of the following access control models is based on sensitivity labels?
Respuesta
  • Discretionary access contro
  • Mandatory access control
  • Rule-based access control
  • Role-based access control
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