Free Enterprise Routing and Switching, Professional Exam JN0-649 Exam Practice Test

What are two similarities between OSPFv2 and OSPFv3? (Choose two.)

• virtual links
• support for multiple instances per link
• 32-bit router ID
• protocol processing per link, not per subnet

In OSPF, how does a router ensure that LSAs advertised to a neighboring router are received?

• LSA flooding guarantees that all routers will receive them successfully.
• LSAs are sent over a TCP connection.
• LSAs are acknowledged by the neighboring router.
• LSAs are advertised with an acknowledgement bit.

Your enterprise network is running BGP VPNs to support multitenancy. Some of the devices with which you peer BGP do not support the VPN NLRI. You must ensure that you do not send BGP VPN routes to the remote peer.Which two configuration steps will satisfy this requirement? (Choose two.)

• Configure an import policy on the remote peer to reject the routes when they are received.
• Configure an export policy on the local BGP peer to reject the VPN routes being sent to the remote peer.
• Configure a route reflector for the VPN NLRI.
• Configure the apply-vpn-export feature on the local BGP peer.

You want to create an OSPF area that only contains intra-area route information in the form of Type 1 and Type 2 LSAs.In this scenario, which area is needed to accomplish this task?

• totally non-to-stubby area
• totally stubby area
• stub area
• non-to-stubby area

You must provide network connectivity to hosts that fail authentication.In this scenario, what would be used in a network secured with 802.1X to satisfy this requirement?

• Configure the native-vlan-id parameter on the port.
• Use the server-reject-vlan command to specify a guest VLAN.
• Configure a secondary IP address on the port for unauthenticated hosts.
• Configure the port as a spanning tree edge port.

Which two statements are correct about the deployment of EVPN-VXLAN on QFX Series devices? (Choose two.)

• Type 1 route advertisements always have the single-active flag set to 1.
• Junos OS supports underlay replication for BUM traffic forwarding.
• Junos OS supports ingress replication for BUM traffic forwarding.
• Type 1 route advertisements always have the single-active flag set to 0.

You are deploying IP phones in your enterprise networks. When plugged in, the IP phones must be automatically provided with the correct VLAN ID needed for sending voice traffic to the EX Series switches.In this scenario, which two solutions are required to accomplish this task? (Choose two.)

• Enable LLDP-MED on appropriate access interfaces.
• Create two VLANs and assign them as VLAN members to the appropriate access interfaces.
• Enable the voice VLAN feature with the appropriate access interfaces and VLAN ID for voice traffic.
• Use LLDP on appropriate interfaces.

Your EX Series switch has IP telephones and computers connected to a single switch port. You are considering implementing the voice VLAN feature to help with this setup.In this scenario, which two statements are correct? (Choose two.)

• The voice VLAN feature must be used with LLDP-MED to associate VLAN ID and 802.1p values with the traffic.
• The interfaces must be configured as access ports.
• Assigning the incoming voice and data traffic to separate VLANs enables the ability to prioritize the traffic using CoS.
• The voice VLAN feature will enable incoming tagged data and voice traffic to be associated with separate VLANs.

Your enterprise network uses routing instances to support multitenancy. Your Junos devices use BGP to peer to multiple BGP devices. You must ensure that load balancing is achieved within the routing instance.Which two statements would accomplish this task? (Choose two.)

• Configure the multipath option at the [edit protocols bgp group neighbor] hierarchy.
• Configure the multipath option at the [edit protocols bgp group] hierarchy.
• Configure a load-balance per-packet policy and apply it at the [edit routing-options forwarding-table] hierarchy.
• Configure the multipath option at the [edit routing-instances routing-options] hierarchy.

You are using 802.1X authentication in your network to secure all ports. You have a printer that does not support 802.1X and you must ensure that traffic is allowed to and from this printer without authentication.In this scenario, what will satisfy the requirement?

• MAC filtering
• MACsec
• static MAC bypass
• MAC RADIUS