MCQs

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1. Which technology is most commonly integrated into badge readers for wireless identification in modern networking environments?
   a. Bluetooth
   b. RFID
   c. Infrared
   d. Wi-Fi
   Answer: b. RFIDgetkisi+1
2. What is the main purpose of employing badge readers in a workplace network?
   a. Increase internet bandwidth
   b. Control physical access
   c. Boost wireless coverage
   d. Monitor server temperatures
   Answer: b. Control physical accesssbedirect+1
3. Badge readers typically communicate with which type of access control device to grant entry?
   a. Firewall
   b. Access controller
   c. Proxy server
   d. Network printer
   Answer: b. Access controllergetkisi
4. What does NFC stand for in badge reader technology?
   a. Near Frequency Communication
   b. Networked Fast Card
   c. Near Field Communication
   d. Net Fingerprint Chip
   Answer: c. Near Field Communicationauthx+1
5. Which badge reader type is recommended for areas requiring high-security authentication, such as restricted server rooms?
   a. Barcode reader
   b. Biometric reader
   c. Magnetic stripe reader
   d. QR code reader
   Answer: b. Biometric readerhidglobal+1
6. RFID badge readers typically operate in which frequency range?
   a. 2.4 GHz
   b. 13.56 MHz
   c. 900 MHz
   d. 100 MHz
   Answer: b. 13.56 MHzsecuritycameraking+1
7. Which feature is unique to QR code badge readers compared to other badge reader types?
   a. Bluetooth connectivity
   b. Temporary guest access
   c. Proximity detection
   d. Ethernet support
   Answer: b. Temporary guest accesssynguard
8. What is the immediate action taken by an access controller when a badge reader authenticates a valid badge?
   a. Logs out user
   b. Unlocks the door
   c. Sends email notification
   d. Starts video recording
   Answer: b. Unlocks the doorsecuritycameraking+1
9. Which technology enables badge readers to work with mobile devices for access control?
   a. Virtual LAN
   b. Bluetooth Low Energy
   c. GPS tracking
   d. Fiber optic
   Answer: b. Bluetooth Low Energysynguard
10. What is a common security advantage of using encrypted communication between badge readers and controllers?
    a. Reduces latency
    b. Prevents unauthorized access
    c. Extends Wi-Fi coverage
    d. Increases badge lifespan
    Answer: b. Prevents unauthorized accesssynguard
11. Which component is NOT typically part of a badge reader access control system?
    a. Network switch
    b. Badge/card
    c. Electronic lock
    d. Access controller
    Answer: a. Network switchsecuritycameraking
12. For guests or temporary users, which badge reader feature is most beneficial?
    a. Magnetic stripe
    b. Biometric sensor
    c. QR code support
    d. Fiber optic connectivity
    Answer: c. QR code supportsynguard
13. Badge reader logs can be used for which network security measure?
    a. DDoS detection
    b. Physical presence auditing
    c. Routing optimization
    d. Firewall rule creation
    Answer: b. Physical presence auditinggetsafeandsound+1
14. What does OSDP refer to in modern badge reader systems?
    a. Open Synchronous Data Protocol
    b. Open Supervised Device Protocol
    c. Outdoor Security Device Platform
    d. Optical Security Detection Protocol
    Answer: b. Open Supervised Device Protocolsynguard
15. Which of the following is a downside of magnetic stripe badge readers compared to RFID readers?
    a. Slower data transfer
    b. Susceptibility to wear and tear
    c. Expensive installation
    d. Lower data encryption
    Answer: b. Susceptibility to wear and tearavigilon+1
16. What action is recommended if a badge is lost or stolen in a network environment?
    a. Reduce network bandwidth
    b. Disable badge credentials immediately
    c. Change server IP address
    d. Scan the badge for malware
    Answer: b. Disable badge credentials immediatelygetsafeandsound+1
17. Which protocol ensures secure, encrypted communication between badge readers and network controllers?
    a. TCP/IP
    b. OSDP Secure Channel
    c. HTTP
    d. ARP
    Answer: b. OSDP Secure Channelavigilon+1
18. What type of badge reader is best-suited for outdoor locations with frequent weather exposure?
    a. Magnetic stripe reader
    b. Waterproof RFID reader
    c. Biometric fingerprint reader
    d. USB badge reader
    Answer: b. Waterproof RFID readersbedirect
19. In the context of badge readers, what does ‘end-to-end security’ refer to?
    a. The ability to connect two buildings via fiber
    b. Encrypted communication for every transaction
    c. Cloud-managed device installation
    d. The use of edge routers for segmentation
    Answer: b. Encrypted communication for every transactionsynguard
20. What technology do badge readers utilize to identify credentials without physical contact?
    a. Barcode
    b. RFID/NFC
    c. USB token
    d. Ethernet packets
    Answer: b. RFID/NFCauthx+2
21. Which badge reader type is easiest to integrate with existing Ethernet networks?
    a. Biometric reader
    b. USB badge reader
    c. IP badge reader
    d. Bluetooth reader
    Answer: c. IP badge readersynguard
22. Badge readers used in multi-site organizations can contribute to which feature?
    a. Load balancing
    b. Centralized access management
    c. IPv6 subnetting
    d. Intrusion detection
    Answer: b. Centralized access managementauthx+1
23. What is the main function of door strike hardware in a badge reader system?
    a. Encrypt badge data
    b. Physically unlock doors
    c. Assign access levels
    d. Connect to the network
    Answer: b. Physically unlock doorssecuritycameraking
24. In access control, what is the result of a badge reader detecting an unauthorized badge?
    a. Network port shutdown
    b. No entry granted
    c. VLAN reassignment
    d. Alarm disables
    Answer: b. No entry grantedgetkisi+1
25. Which communication protocol do badge readers mostly rely on for integration with access management software?
    a. SNMP
    b. OSDP
    c. SMTP
    d. DHCP
    Answer: b. OSDPsynguard
26. What scenario best illustrates the use of badge readers in networking conferences?
    a. Speaker authentication
    b. Attendee tracking and access
    c. Router monitoring
    d. Application firewall rule management
    Answer: b. Attendee tracking and accessgetsafeandsound+1
27. What does a ‘proximity card’ badge reader use to grant access?
    a. Manual PIN entry
    b. Radio frequency for short-range communication
    c. Optical scan
    d. Magnetic field
    Answer: b. Radio frequency for short-range communicationavigilon+1
28. Which badge reader feature helps comply with workplace privacy policies?
    a. Network isolation
    b. Audit logging of badge activity
    c. Guest VLAN assignment
    d. DHCP snooping
    Answer: b. Audit logging of badge activitygetkisi+1
29. What advantage do mobile-enabled badge readers provide over traditional badge readers?
    a. Longer scan range
    b. Enabling phone-based access credentials
    c. Lower hardware cost
    d. Higher fingerprint accuracy
    Answer: b. Enabling phone-based access credentialssynguard
30. Which badge reader technology is preferred for quick and easy access in high-traffic buildings?
    a. Biometric sensor
    b. RFID/NFC reader
    c. Barcode scanner
    d. Serial port reader
    Answer: b. RFID/NFC readerauthx+1
31. When a badge reader detects an invalid badge or credentials, what network security action might be automatically triggered?
    a. Intrusion alarm activation
    b. Increase network throughput
    c. Reboot badge reader device
    d. Send a faked access grant
    Answer: a. Intrusion alarm activationgetkisi+1
32. Which is an example of a physical integration point for badge readers on a network door?
    a. Wi-Fi adapter
    b. Electric lock relay
    c. Firewall module
    d. HDMI port
    Answer: b. Electric lock relaysecuritycameraking
33. What is the best type of badge reader for an environment requiring high-speed, non-contact operation?
    a. Magnetic stripe reader
    b. RFID badge reader
    c. Biometric touch scanner
    d. Barcode badge reader
    Answer: b. RFID badge readersbedirect+1
34. How is individual access authorization typically managed in a badge reader system?
    a. Through badge firmware updates
    b. Centralized software database
    c. By badge physical color coding
    d. On the badge reader’s local display
    Answer: b. Centralized software databaseauthx+1
35. Which badge reader type supports short-term access for contractors with scannable codes?
    a. Magnetic stripe
    b. Barcode/QR code reader
    c. USB token reader
    d. Fiber badge reader
    Answer: b. Barcode/QR code readersynguard
36. The process of associating a badge with a user’s identity in the access system is referred to as?
    a. Pairing
    b. Badge issuance
    c. Credentialing
    d. Encoding
    Answer: c. Credentialingsbedirect+2
37. What networking standard do IP badge readers most commonly support?
    a. IEEE 802.11
    b. IEEE 802.3 (Ethernet)
    c. IEEE 802.15.4
    d. IEEE 802.1X
    Answer: b. IEEE 802.3 (Ethernet)synguard
38. Which badge reader technology is considered most secure against physical duplication?
    a. Magnetic stripe
    b. Biometric fingerprint
    c. Barcode
    d. RFID without encryption
    Answer: b. Biometric fingerprinthidglobal+1
39. What is the primary functional benefit of a badge reader system in networked office buildings?
    a. Delivers data analytics for routing
    b. Restricts access to authorized personnel
    c. Boosts wireless LAN performance
    d. Secures digital emails
    Answer: b. Restricts access to authorized personnelgetsafeandsound+2
40. What happens when a badge reader is disconnected from the network?
    a. Grants access randomly
    b. Access logs are not updated
    c. Automatically powers off
    d. Encrypts all badge data
    Answer: b. Access logs are not updatedauthx+1
41. Badge readers support which type of access control system integration?
    a. Biometric-only access
    b. Proximity and network controller integration
    c. Cloud storage access
    d. Web application firewall integration
    Answer: b. Proximity and network controller integrationavigilon+1
42. In a networked badge reader system, which role does the management console perform?
    a. Controls electrical locks directly
    b. Manages badge credentials and permissions
    c. Supplies PoE power to readers
    d. Encrypts server traffic
    Answer: b. Manages badge credentials and permissionssbedirect+1
43. What distinguishes RFID badge readers from barcode badge readers?
    a. Barcodes require line-of-sight; RFID does not
    b. RFID is less secure than barcode
    c. Barcodes have greater wireless range
    d. RFID cannot store user information
    Answer: a. Barcodes require line-of-sight; RFID does notsbedirect+1
44. Modern badge readers can be managed centrally using which networking architecture?
    a. Peer-to-peer topology
    b. Cloud-based access management
    c. Mesh wireless protocol
    d. Token ring network
    Answer: b. Cloud-based access managementenvoy+1
45. Badge tap-and-go systems rely on what fundamental wireless technology?
    a. Bluetooth
    b. NFC
    c. Wi-Fi
    d. Zigbee
    Answer: b. NFCauthx
46. What is a common integration feature of badge readers in smart building networks?
    a. Real-time usage monitoring
    b. Wireless data mirroring
    c. Multimedia streaming
    d. Automatic firmware rollback
    Answer: a. Real-time usage monitoringauthx+1
47. Badge readers employing OSDP Secure Channel offer what primary advantage?
    a. Lower cost implementation
    b. Cryptographically secure communication
    c. More frequent firmware updates
    d. Biometric input compatibility
    Answer: b. Cryptographically secure communicationsynguard
48. Which scenario best illustrates badge reader use for visitor management?
    a. Encrypting VPN traffic
    b. Issuing temporary QR code badges
    c. Assigning VLANs for employees
    d. Managing email quotas
    Answer: b. Issuing temporary QR code badgessynguard
49. How can badge readers increase workplace professionalism?
    a. Enable high-speed Wi-Fi
    b. Show secure entry control
    c. Reduce physical paperwork
    d. Manage printer sharing
    Answer: b. Show secure entry controlsbedirect
50. What type of badge reader is recommended for environments with high visitor turnover and varying device access needs?
    a. Barcode/QR code reader
    b. Biometric fingerprint reader
    c. USB badge reader
    d. Magnetic stripe reader
    Answer: a. Barcode/QR code readersynguard

1. https://www.getkisi.com/guides/badge-reader
2. https://www.securitycameraking.com/securitynews/badge-reader-door-lock/
3. https://sbedirect.com/en/blog/article/which-badge-reader-should-you-choose-to-control-access-to-your-premises-.html
4. https://getsafeandsound.com/blog/badge-access-control-systems/
5. https://www.authx.com/blog/badge-tap-and-go/
6. https://www.hidglobal.com/categories/door-readers-access-control-software
7. https://www.synguard.be/en/hardware/other-handware/badge-readers
8. https://www.avigilon.com/blog/employee-badge-access-systems
9. https://envoy.com/workplace-compliance-security-safety/badge-access-control-systems-guide
10. https://testbook.com/objective-questions/mcq-on-computer-networks–5eea6a0939140f30f369d8f8
11. https://testbook.com/objective-questions/mcq-on-computer-networks–5eea6a1039140f30f369e891
12. https://www.scientecheasy.com/2021/05/computer-network-mcq.html/
13. https://www.sanfoundry.com/computer-network-questions-answers/
14. https://www.uninets.com/blog/computer-networks-mcq
15. https://www.scribd.com/document/639805668/Chapter-no-5-mcqs
16. https://www.interviewbit.com/cyber-security-mcq/
17. https://www.youtube.com/watch?v=Y9paMPlq7NM
18. https://getsafeandsound.com/blog/badge-access-system/
19. https://www.vortexdoors.com/commercial-doors-services/access-control-systems/badge-readers
20. https://www.reddit.com/r/networking/comments/gtp7nu/badge_reader_software_recommendations_for/