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1. What is the primary function of a captive portal in networking?
   a. To encrypt all user data
   b. To authenticate users before allowing network access
   c. To assign IP addresses to clients
   d. To route packets efficiently
   Answer: b. To authenticate users before allowing network accesszenarmor+2
2. Where is a captive portal most commonly deployed?
   a. Private home networks
   b. Secure wired enterprise networks
   c. Public Wi-Fi networks
   d. Cellular networks
   Answer: c. Public Wi-Fi networkstp-link+2
3. Which protocol is typically redirected when a user first connects to a captive portal?
   a. FTP
   b. SMTP
   c. HTTP/HTTPS
   d. Telnet
   Answer: c. HTTP/HTTPStalentica+2
4. Before gaining access through a captive portal, what must a user usually accept?
   a. SSL certificates
   b. Acceptable Use Policy (AUP)
   c. Data encryption keys
   d. Private network address
   Answer: b. Acceptable Use Policy (AUP)adipsys+2
5. Which authentication method might be supported by a modern captive portal?
   a. RADIUS
   b. Social media logins (Google, Facebook)
   c. Local database credentials
   d. All of the above
   Answer: d. All of the aboverfc-editor+2
6. What happens if a user does not provide valid credentials on a captive portal?
   a. They get full internet access
   b. They see an error page and remain blocked
   c. The network assigns a static IP
   d. The portal switches to a different network
   Answer: b. They see an error page and remain blockedzenarmor+2
7. A captive portal can restrict access based on which of the following?
   a. MAC address
   b. IP address
   c. Device type
   d. All of the above
   Answer: d. All of the abovetp-link+1
8. What type of traffic is usually redirected by captive portals for unauthenticated users?
   a. DNS only
   b. ARP only
   c. All web traffic
   d. Telnet sessions
   Answer: c. All web traffictalentica+2
9. Which networking device typically hosts the captive portal application?
   a. Switch
   b. Router or Access Point
   c. Firewall
   d. Network printer
   Answer: b. Router or Access Pointrfc-editor+2
10. What regulatory compliance is relevant for captive portal data collection in Europe?
    a. HIPAA
    b. GDPR
    c. PCI DSS
    d. SOX
    Answer: b. GDPRadipsys+1
11. In an enterprise, captive portals are used to:
    a. Provide encrypted access only
    b. Allow guest access temporarily
    c. Slow down network traffic
    d. Upgrade firmware automatically
    Answer: b. Allow guest access temporarilyzenarmor+2
12. What does “Splash Page” refer to in captive portal terminology?
    a. HTML code for the router’s homepage
    b. The authentication/redirect page users see first
    c. The DNS welcome page
    d. The firewall configuration page
    Answer: b. The authentication/redirect page users see firstadipsys+2
13. Which user identification methods might a captive portal use?
    a. Email registration
    b. Phone number registration
    c. Social login
    d. All of the above
    Answer: d. All of the abovetp-link+2
14. What is a possible network design for captive portal in a Software Defined Networking (SDN) environment?
    a. Logic on the device only
    b. Centralized on an SDN controller
    c. Requires no authentication
    d. No support for SDN
    Answer: b. Centralized on an SDN controllertalentica
15. Which protocol may be involved in assigning IP addresses before captive portal redirection?
    a. DHCP
    b. SNMP
    c. BGP
    d. OSPF
    Answer: a. DHCPtalentica+1
16. Bandwidth throttling with captive portals helps to:
    a. Collect user data efficiently
    b. Prevent bandwidth abuse
    c. Improve encryption
    d. Route traffic faster
    Answer: b. Prevent bandwidth abusezenarmor+1
17. When a user is successfully authenticated by a captive portal, they are usually:
    a. Redirected to the original requested website
    b. Disconnected from the network
    c. Forced to change their password
    d. Given access only to local resources
    Answer: a. Redirected to the original requested websiteadipsys+1
18. Captive portal solutions can help businesses with:
    a. Marketing and personalized offers
    b. Increased hardware sales
    c. Printer management
    d. Domain registration
    Answer: a. Marketing and personalized offerstp-link+1
19. Captive portals may integrate with which external service for authentication?
    a. RADIUS servers
    b. LDAP/Active Directory
    c. OAuth/Social logins
    d. All of the above
    Answer: d. All of the aboverfc-editor+2
20. What element is critical for user experience in captive portals?
    a. Complex UI
    b. Straightforward, clear interface
    c. CLI-only configuration
    d. Mandatory VPN installation
    Answer: b. Straightforward, clear interfacezenarmor+1
21. Captive portals can apply restrictions to:
    a. Only one device per user
    b. Mobile and desktop users differently
    c. Both wired and wireless users
    d. Only wireless users
    Answer: c. Both wired and wireless usersrfc-editor+1
22. What is a “hard timeout” in captive portal context?
    a. Maximum time a session can be idle before termination
    b. Duration of encryption key validity
    c. Time allowed for firmware upgrades
    d. Maximum time user can browse social media
    Answer: a. Maximum time a session can be idle before terminationzenarmor
23. What security risk exists if passwords are collected in plain text by a captive portal?
    a. Device overheating
    b. Credentials interception
    c. Increased marketing effectiveness
    d. IP spoofing
    Answer: b. Credentials interceptiontp-link
24. In captive portal architecture, which standard provides guidelines for implementation?
    a. RFC 8952
    b. IEEE 802.3
    c. ISO 27001
    d. CCNA
    Answer: a. RFC 8952rfc-editor
25. What limitation may affect captive portal deployment with 802.1X authentication?
    a. High complexity for transient guests
    b. Poor wireless signal
    c. Lack of IPv6 support
    d. Overloaded data center
    Answer: a. High complexity for transient guestsitexams
26. Who decides the terms and formats required by a captive portal?
    a. End users
    b. Network administrators
    c. Internet service providers
    d. Device manufacturers
    Answer: b. Network administratorstp-link+1
27. Captive portal authentication can be bypassed if:
    a. MAC or IP whitelisting is used
    b. Encryption is enabled
    c. GPS is disabled
    d. ARP is disabled
    Answer: a. MAC or IP whitelisting is usedrfc-editor+1
28. When does a network switch install redirection flows for captive portal users in SDN?
    a. After successful authentication
    b. When users connect and before authentication
    c. When firmware is updated
    d. If VLAN tagging fails
    Answer: b. When users connect and before authenticationtalentica
29. For which scenario is captive portal Frequently NOT suitable?
    a. Temporary guest network access
    b. Permanent user authentication for employees
    c. Event venue Wi-Fi management
    d. Hotel guest networks
    Answer: b. Permanent user authentication for employeesexamtopics+1
30. Which layer in OSI model is most relevant to captive portal operation?
    a. Physical
    b. Data Link
    c. Network
    d. Application
    Answer: d. Applicationtalentica+1
31. Captive portals sometimes use which feature to ease user re-authentication across devices?
    a. MAC address tracking
    b. DNS caching
    c. Content filtering
    d. Encryption tunneling
    Answer: a. MAC address trackingzenarmor+1
32. What is the “Catch and Release” principle in captive portal operation?
    a. Users catch malware and release spam
    b. DHCP assigns IP, firewall restricts access until authentication
    c. Users connect via VPN before access
    d. Automatic firmware download prior login
    Answer: b. DHCP assigns IP, firewall restricts access until authenticationadipsys+1
33. Which log should a network admin review to monitor captive portal authentication attempts?
    a. System event log
    b. Captive portal authentication log
    c. Routing table log
    d. SNMP trap log
    Answer: b. Captive portal authentication logtp-link+1
34. Why might a business require captive portal customization for branding?
    a. Increase network speed
    b. Showcase company logo and policies
    c. Prevent IP spoofing
    d. Force updates to all client devices
    Answer: b. Showcase company logo and policiesadipsys+2
35. How does a captive portal maintain legal compliance with data privacy?
    a. Always encrypts traffic with IPsec
    b. Requires acceptance of data policy (GDPR, CNIL)
    c. Assigns static IPs to users
    d. Forces password change on every login
    Answer: b. Requires acceptance of data policy (GDPR, CNIL)adipsys+1
36. What is often necessary for first-time users connecting to a network with captive portal?
    a. Accept terms and fill out registration form
    b. Enter BIOS setup
    c. Connect via VPN
    d. Install client-side agent
    Answer: a. Accept terms and fill out registration formadipsys+1
37. A main limitation of plain captive portal login pages is:
    a. Vulnerability to phishing attacks
    b. Incompatibility with older browsers
    c. Excessive use of bandwidth
    d. Requirement for CLI commands
    Answer: a. Vulnerability to phishing attackszenarmor+1
38. Which of the following is a valid reason for applying bandwidth quotas via captive portal?
    a. Ensuring fair use among users
    b. Increasing latency
    c. Enabling hardware upgrades
    d. Limiting device compatibility issues
    Answer: a. Ensuring fair use among usersadipsys
39. What configuration is ESSENTIAL before enabling a captive portal on access points?
    a. Enabling port mirroring
    b. Setting up firewall rules to redirect unauthenticated traffic
    c. Activating SNMP protocol
    d. Installing a new operating system
    Answer: b. Setting up firewall rules to redirect unauthenticated trafficrfc-editor+1
40. Which metric is NOT typically tracked by a captive portal system?
    a. User ages
    b. Connection times
    c. Firmware version numbers
    d. Bandwidth usage
    Answer: c. Firmware version numberstp-link+1
41. Which is a critical disadvantage of using external authentication (OAuth/Social Login) on captive portals?
    a. Increased security risks from third parties
    b. Improved marketing insights
    c. Enhanced session timeout management
    d. Lower authentication speed
    Answer: a. Increased security risks from third partieszenarmor+1
42. Captive portals for hotel Wi-Fi often gather which information from guests?
    a. Name and room number
    b. Encryption key length
    c. Discount coupon codes
    d. DHCP lease time
    Answer: a. Name and room numbertp-link+1
43. Which RFC defines captive portal architecture and standards?
    a. RFC 1918
    b. RFC 8952
    c. RFC 2865
    d. RFC 2544
    Answer: b. RFC 8952rfc-editor
44. What does “idle timeout” refer to in captive portal settings?
    a. The maximum time allowed for an inactive session before disconnection
    b. The period for which encryption remains active
    c. The time until IP lease expires
    d. The interval for MAC address change
    Answer: a. The maximum time allowed for an inactive session before disconnectionrfc-editor+1
45. Why is RADIUS server integration important for enterprise captive portals?
    a. To provide centralized authentication and accounting
    b. To allow SSH access to devices
    c. To analyze routing protocols
    d. To enable SNMP monitoring
    Answer: a. To provide centralized authentication and accountingzenarmor+2
46. In SDN captive portal design, how does the controller manage unauthenticated users?
    a. Tracks users in a database and installs redirection flows
    b. Installs static routes
    c. Updates DNS records only
    d. Does not manage user sessions
    Answer: a. Tracks users in a database and installs redirection flowstalentica
47. Captive portal login page accessibility relies on which correct configuration?
    a. DNS and HTTP redirect settings
    b. ARP-only forwarding
    c. IMAP port opening
    d. TFTP service enablement
    Answer: a. DNS and HTTP redirect settingstalentica+2
48. Why might some mobile devices have trouble with captive portals?
    a. Automatic browser pop-up blocking
    b. DHCP failure
    c. Encryption mismatch
    d. VLAN misconfiguration
    Answer: a. Automatic browser pop-up blockingtp-link+1
49. Captive portal deployment in a city’s public Wi-Fi must comply with which requirement?
    a. Collection of user consent and proper data handling
    b. IPv6-only addressing
    c. Zero-configuration network
    d. Full traffic encryption at all times
    Answer: a. Collection of user consent and proper data handlingadipsys+1
50. What best describes the role of captive portal in network security?
    a. Front-line defense for guest network authentication and policy enforcement
    b. Automatic malware removal
    c. Physical network segmentation
    d. Intrusion detection only
    Answer: a. Front-line defense for guest network authentication and policy enforcementrfc-editor+2

1. https://www.zenarmor.com/docs/network-security-tutorials/what-is-captive-portal
2. https://www.talentica.com/blogs/sdn-captive-portal/
3. https://www.tp-link.com/ae/blog/1060/what-is-a-captive-portal-and-why-is-it-essential-for-your-network-structure-/
4. https://yestechie.com/articles/wifi-captive-portals
5. https://www.adipsys.com/en/how-does-a-captive-portal-work/
6. https://www.rfc-editor.org/rfc/rfc8952.html
7. https://www.itexams.com/exam/HPE6-A82
8. https://www.examtopics.com/discussions/comptia/view/150286-exam-n10-009-topic-1-question-11-discussion/
9. https://www.sanfoundry.com/computer-network-questions-answers/
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13. https://www.uninets.com/blog/computer-networks-mcq
14. https://www.interviewbit.com/computer-network-mcq/
15. https://www.includehelp.com/mcq/computer-network-mcqs.aspx
16. https://www.examtopics.com/discussions/comptia/view/126145-exam-n10-008-topic-1-question-640-discussion/
17. https://www.scribd.com/document/874321453/MCQ-Questions-Review-Network-Layer-Part-1
18. https://www.placementpreparation.io/mcq/computer-network/
19. https://www.certlibrary.com/exam/HPE6-A70
20. https://www.studocu.com/in/document/srm-institute-of-science-and-technology/computer-networks/cn-unit-1-mcqs-unit-1-computer-network-mcq/39245532