Online Access Free JN0-643 Practice Test

Your company uses 802.1X to authenticate your users. You want to provide access to the
Internet when users cannot authenticate on the RADIUS server or when the RADIUS server becomes unreachable.
Which two methods accomplish this goal? (Choose two.)

• A.using MAC RADIUS
• B.using a guest VLAN
• C.using a server fail fallback
• D.using a captive portal

You have been asked to implement a private VLAN with two community VLANs. This private VLAN will be confined to a single switch in your Layer 2 network. This private
VLAN, along with other VLANs configured on the switch, will require gateway services provided through a connected router.
Which statement about this deployment is true?

• A.A minimum of one private VLAN trunk port is required.
• B.A minimum of one promiscuous trunk port is required.
• C.Both community VLANs must have an assigned VLAN IDs.
• D.All isolated ports must be configured as trunk ports.

You just configured an interface as an access port and it is up and passing traffic.
However, you notice that all traffic transiting this interface is being classified as best effort.
Which default BA classifier is causing this behavior?

• A.dscp-default
• B.ieee8021p-default
• C.ieee8021p-untrust
• D.dscp-ipv6-default

Which three statements are correct about source specific multicast (SSM) on the junos
OS? (Choose three)

• A.IT HAS AN DEDICATED address block
• B.IGMPv2 and IGMPv3 can be used with SSM.
• C.SSM does not require the use of an RP
• D.SSM requires the use of an RP
• E.SSM must use the232/8 address range

You enable the captive portal authentication method on your juniper switch. There is no guest-Vlan configured in this scenario what will happen when the RADIUS server fails to respond?

• A.Access will not be allowed to any VLAN
• B.Access will be allowed to only VLAN 1
• C.Access will be allow to only VLAN 4096
• D.All access will be allowed