Captive Portal JN0-650 Practice Questions (Page 5)

Questions 21–25

1. 21application · medium

   A small office wants to deploy a captive portal for guest Wi-Fi without any external servers. They have a Juniper switch and want to use a local user database. They also want to display a custom welcome message on the login page. Which configuration steps are required?

   • AConfigure a RADIUS server, create local users, and set the captive portal to use RADIUS authentication.
   • BEnable 802.1X on the interface and use the local database for authentication.
   • CConfigure the captive portal to use LDAP and create local users for fallback.
   • DCreate local users, configure the captive portal to use local authentication, and customize the portal page with the welcome message.
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2. 22application · medium

   Users report that after entering valid credentials on a captive portal, they are not redirected to the originally requested website but instead see a blank page. The portal uses RADIUS authentication. What is the most likely cause?

   • AThe RADIUS server is not sending an Access-Accept message.
   • BThe user's browser does not support cookies.
   • CThe captive portal page is not customized.
   • DThe captive portal's redirect URL is not configured correctly.
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4. 23foundation · easy

   When configuring a captive portal on a Juniper device, which authentication method can be specified in the captive portal profile?

   • AOnly LDAP authentication
   • BRADIUS or local authentication
   • COnly TACACS+ authentication
   • DOnly certificate-based authentication
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5. 24foundation · easy

   What is the first step in the captive portal authentication flow when an unauthenticated user attempts to access a web page?

   • AThe user's HTTP request is intercepted by the captive portal
   • BThe device sends a RADIUS authentication request
   • CThe user enters their credentials on the login page
   • DThe user is redirected to the captive portal login page
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6. 25application · medium

   A hotel provides guest Wi-Fi with a captive portal. Guests connect and are redirected to a login page, but some guests report that they see a 'No Internet' message on their devices before the login page appears. The network uses DHCP and DNS services provided by the access layer. Which configuration change would most directly address this issue?

   • AChange the captive portal authentication method from RADIUS to local authentication.
   • BConfigure the captive portal to redirect all HTTP traffic to the portal's IP address.
   • CDisable the captive portal on the guest VLAN and use a pre-shared key instead.
   • DAdd a firewall filter to permit DHCP and DNS traffic before the captive portal redirect rule.
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