MCQs

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What is the primary characteristic upon which biometric authentication relies?
a. Something the user knows
b. Something the user is
c. Something the user has
d. Something the user does
Answer: bexamradar+1
Which of these is an example of a physiological biometric?
a. Password
b. Iris
c. PIN
d. Security token
Answer: blogintc+1
What is a potential vulnerability in biometric authentication systems?
a. Biometric data can be spoofed
b. Password reuse
c. Key sharing
d. Token expiration
Answer: akaspersky+1
What technique in biometrics helps mitigate spoofing attacks?
a. Password policies
b. Liveness detection
c. Multi-factor tokenization
d. Backup codes
Answer: bexamradar+1
What does biometric “template” refer to?
a. Stored password
b. Mathematical representation of biometric traits
c. User’s PIN
d. Security questions
Answer: bondato+1
Which process involves matching a user’s biometric sample to a stored record one-to-one?
a. Multimodal fusion
b. Identification
c. Verification
d. Token validation
Answer: caware+1
Which of the following is NOT a common biometric authentication method?
a. Fingerprint
b. Facial recognition
c. Username
d. Iris scan
Answer: ckaspersky+1
Which characteristic is essential for any biometric trait?
a. Universality
b. Changeability
c. Complexity
d. Obfuscation
Answer: ageeksforgeeks+1
What is multimodal biometrics?
a. Single biometric trait system
b. Combination of two or more biometric modalities
c. Token-based login
d. One-time passwords
Answer: bscribd+1
What is the biggest privacy concern with biometric data?
a. Key length
b. Data breach leading to permanent loss of identity
c. Password reset
d. Token expiration
Answer: bovic+1
Which device is necessary for capturing fingerprints in biometric systems?
a. Camera
b. Microphone
c. Fingerprint scanner
d. Router
Answer: cstudocu+1
Behavioral biometrics includes which of the following?
a. DNA
b. Keystroke dynamics
c. Retina
d. Finger vein
Answer: bsites.odu+1
In network access, why is biometric authentication considered advantageous?
a. Easy password sharing
b. Convenient and hard to steal
c. Frequent updates needed
d. Relies on external tokens
Answer: bsciencedirect+1
What is template ageing in biometrics?
a. Biometric device breakdown
b. Changes in biometric patterns over time
c. Password expiry
d. Token loss
Answer: bsciencedirect
Which protocol is commonly used alongside biometrics for network single sign-on?
a. SSL
b. SAML
c. HTTP
d. FTP
Answer: blogintc+1
What is an example of biometric data being used for logical network access?
a. Smart card building entry
b. Fingerprint authentication for VPN login
c. Metal key for server room
d. RFID tag for parking
Answer: bibm+1
Which statement best fits “template security” in biometrics?
a. Templates must be openly stored
b. Templates should be encrypted and access controlled
c. Templates must be deleted after each use
d. Templates cannot be backed up
Answer: bondato+1
Fingerprint authentication belongs to which kind of biometrics?
a. Behavioral
b. Hierarchical
c. Physiological
d. Logical
Answer: cexamradar+1
Which of the following is a disadvantage of biometric authentication in networking?
a. Cannot be copied
b. High accuracy
c. Permanence of compromised data
d. Usability
Answer: covic+1
In network environments, which is a real-world use of biometrics?
a. Logging into desktop with retina scan
b. Voice unlocking physical door
c. Password sharing
d. Email token login
Answer: aaware+1
What is one limitation of voice biometrics for network authentication?
a. Easily remembered
b. Sensitive to background noise
c. Non-linear scalability
d. High hardware cost
Answer: bkaspersky+1
What do multimodal biometric systems improve?
a. Cost-effectiveness
b. Speed of login
c. Accuracy and resistance to spoofing
d. Password memorability
Answer: cscribd+1
In context of biometrics, what is “intra-class variation”?
a. Variation in different biometric traits across many users
b. Variation in the same user’s biometric data
c. Data leakage between users
d. Template backup issues
Answer: bsciencedirect
How is “liveness detection” implemented in fingerprint scanners?
a. Checking for warmth and pulse
b. Password prompt
c. Sound detection
d. Token validation
Answer: aondato+1
What is the role of a biometric middleware in networking?
a. Captures signals
b. Interfaces between devices and network authentication services
c. Stores user PINs
d. Connects physical locks
Answer: bstudocu+1
How can biometric authentication contribute to network access control?
a. By strictly limiting access based on unique physical traits
b. By enabling password reuse
c. By increasing token-sharing
d. By handling only guest logins
Answer: atechtarget+1
What does “false rejection rate” in biometrics refer to?
a. Unauthorized user accepted
b. Unauthorized user creation
c. Authorized user denied access
d. Multiple user templates
Answer: cinnovatrics+1
Why is template protection crucial in biometric networking?
a. Prevents duplicity of devices
b. Protects sensitive biometric info from theft
c. Logs server uptime
d. Tracks network traffic
Answer: bondato+1
For which of the following is biometric authentication LEAST suitable?
a. Physical access
b. High-frequency ATM transactions
c. Emergency response team encryption
d. Password manager
Answer: cinnovatrics+1
Behavioral biometrics are commonly used for which authentication scenario?
a. Checking hard drives
b. Passive continuous authentication during user sessions
c. Backup power supply
d. Remote console
Answer: bovic+1
Which biometric trait has the highest commercial usage in networking?
a. Voice prints
b. Iris scan
c. Fingerprint
d. Gait
Answer: clogintc+1
Which factor limits the effectiveness of face recognition in low-light network environments?
a. Processor power
b. Camera lens size
c. Insufficient or variable lighting
d. Token tampering
Answer: ckaspersky+1
What is the primary benefit of using biometric authentication on mobile devices for network logins?
a. Fast and convenient
b. High error rate
c. Hardware dependency
d. Network bottlenecking
Answer: aondato+1
What is a biometric identification scenario?
a. System matches sample to all entries in database
b. System matches sample to a single user’s record
c. Multi-factor login
d. Password hashing
Answer: asciencedirect+1
Which of the following is NOT considered a soft biometric?
a. Age estimation
b. Hair color
c. Hand geometry
d. Password rules
Answer: dscribd+1
An example of a biometric modality used for perimeter network access:
a. Iris scan at secure gateway entry
b. Username typing
c. Smart card badge
d. Personal security questions
Answer: aaware+1
Why is vein pattern recognition considered highly secure in biometrics?
a. Patterns are internal
b. Easily viewable
c. Not unique
d. Changes daily
Answer: ainnovatrics+1
What is the main weakness of static biometric systems?
a. Prone to template ageing
b. Rapid adaptability
c. Uses physical tokens
d. High speed
Answer: ainnovatrics+1
Which network security protocol can integrate with biometrics for multifactor authentication?
a. RADIUS
b. HTTPS
c. HTTP
d. SMTP
Answer: alogintc+1
How do privacy laws impact biometric deployments in enterprise networks?
a. Encourage unrestricted storing
b. Impose strict requirements on data collection, storage, and use
c. Never change
d. Force password use
Answer: bscribd+1
What method can be used to reconstruct a person’s biometric data if compromised?
a. Token reset
b. None, it is generally irreplaceable
c. Password reset
d. Template re-creation from logs
Answer: btechtarget+1
What makes behavioral biometrics attractive for continuous authentication in cloud services?
a. Difficult to detect anomalies
b. Can monitor usage patterns in real time
c. Requires physical presence always
d. Involves card swipes
Answer: bovic+1
In biometric access control, what is “two-step authentication”?
a. Two biometric inputs
b. Biometric plus another factor
c. Password change
d. Template renewal
Answer: bkaspersky+1
Where are biometric templates typically stored for high-security network applications?
a. Printed files
b. Encrypted in secure hardware modules
c. User’s email account
d. Public web servers
Answer: bondato+1
What is the main advantage of iris scans over fingerprint scans in networking?
a. Lower accuracy
b. More unique and less susceptible to wear
c. Print size
d. Commonality
Answer: blogintc+1
Which attack method is unique to biometric authentication systems?
a. Password guessing
b. Presentation (spoof) attacks
c. Keylogging
d. DDoS
Answer: bexamradar+1
What type of biometric characteristic does keystroke dynamics analyze?
a. DNA
b. Behavioral
c. Physiological
d. Environmental
Answer: bsites.odu+1
What is the main international standard for biometric data interchange?
a. ISO/IEC 19794
b. IEEE 802.11
c. PCI DSS
d. ITIL
Answer: aaware+1
What happens if biometric data is compromised in a breach?
a. It can be reset
b. It cannot be changed like a password
c. It is reissued immediately
d. No impact
Answer: bscribd+1
Which combination increases biometric system security for network authentication?
a. Biometric + password/token
b. Password only
c. Smartcard only
d. PIN only
Answer: ageeksforgeeks+1

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