JN0-649 Exam Questions

Which statement is correct about IS-IS?

The connection between DC1 and DC2 is routed as shown in the exhibit. In this scenario, which statement is correct?

BGP multipath or multihop are not configured in your network. In this scenario, what is the correct sequence for BGP active route selection?

You are troubleshooting an EVPN-VXLAN IP fabric and observe the loop shown in the exhibit. Which two steps would you take to further troubleshoot this problem? (Choose two.)

Referring to the outputs shown in the exhibit, which two statements are correct about the IS-IS adjacency? (Choose two.)

Which two multicast listener registration protocols are supported in the Junos operating system? (Choose two.)

Which three statements are correct about EVPN route types? (Choose three.)

Referring to the exhibit, which two statements are correct? (Choose two.)

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?

A Layer 2 connection does not expend across data centers. The IP subnet in a Layer 2 domain is confined within a single data center. Which EVPN route type is used to communicate pr...

You are asked to implement fault tolerant RPs in your multicast network. Which two solutions would accomplish this behavior? (Choose two.)

Your network has an unmanaged switch between the hosts and your EX Series switch. After the traffic enters the EX Series switch, each host must be on a separate VLAN. How would you...

Which three MSTP parameters must match on all switches in the same MST region? (Choose three.)

Referring to the exhibit, a PIM-SM network is set up to enable communication between multicast devices. Which two statements are true? (Choose two.)

When using wide metrics, which two statements about route advertisement between IS-IS levels are correct? (Choose two.)

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

You recently committed a change to a router to reject OSPF routes sourced from area 10. However, you are still seeing area 10 routes in the routing table. Referring to the exhibit,...

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 sc...

You are deploying new Juniper EX Series switches in a network that currently is using Cisco's Per- VLAN spanning tree plus (PVST+) and you must provide compatibility with this envi...

A modified deficit round-robin scheduler is defined by which three variables? (Choose three.)

Which two statements are correct regarding the behavior shown in the exhibit? (Choose two.)

You are troubleshooting connectivity between an EVPN spine switch configured as a route reflector and a leaf node with an IP address of 10.30.100.6. Referring to the exhibit, what...

You have scheduled maintenance operations for one of the devices in your OSPF network. Referring to the exhibit, which three statements are correct? (Choose three.)

You are running OSPF as your IGP. The interfaces connecting two routers are in the ExStart state. You notice that something is incorrect with the configuration. Referring to the ex...

You are asked to configure an 802.1X solution that supports dynamic VLAN assignment. In this scenario, which two modes support using vendor-specific attributes (VSAs)? (Choose two....

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 thi...

Referring to the exhibit, which two statements are correct? (Choose two.)

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

Referring to the exhibit, which two statements are correct? (Choose two.)

A user is attempting to watch a high-definition video being streamed from the media server over the network. However, the user complains that the experienced video quality is poor....

There are two BGP routes to 10.200.200.0/24 received from two external peers. Route 1 comes from a neighbor with a router ID of 10.10.100.1 and a peer IP address of 10.10.30.1, and...

You are asked to configure 802.1X on your access ports to allow only a single device to authenticate. In this scenario, which configuration would you use?

Referring to the exhibit, which two statements are correct? (Choose two.)

You are asked to establish full connectivity between all devices in the BGP network. Referring to the exhibit, which two configuration changes will allow BGP route advertisements?...

Referring to the exhibit, which two statements are correct? (Choose two.)

You are deploying an 802.1X solution and must determine what would happen if clients are unable to re-authenticate to the RADIUS server. In this scenario, which configuration would...

You are deploying IP phones in your enterprise network that must receive their power through their Ethernet connection. You are using your EX Series switch's PoE ports that support...

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...

Referring to the exhibit, how will router E quickly learn that the remote MAC addresses are no longer reachable through the router attached to the failed link?

Referring to the exhibit, which statement is correct?

You are deploying IP phones in your enterprise networks. When plugged in, the IP phones must automatically negotiate the power requirements for the new connection with the EX Serie...

Referring to the exhibit, which statement is correct when a failure exists on the link between host2 and switch5 on this EVPN-VXLAN fabric?

Referring to the exhibit, traffic ingresses on interface ge-0/0/3 and egresses on interface ge-0/0/4. Which queue does traffic with the IP precedence value of 100 use?

Your network is multihomed to two ISPs. The BGP sessions are established; however, the ISP peers are not receiving any routes. Which two statements are correct about troubleshootin...

Referring to the exhibit, you have placed the cos multifield classifier on all edge interfaces and configured the relevant CoS parameters. In this scenario, which two statements ar...