JN0-681 Exam Questions

What are three functions supported by the Contrail Command user interface? (Choose three.)

Referring to the exhibit, Host 1 and Host 3 have exchanged traffic. In this scenario, which statement is true?

You want to configure redundant Layer 3 gateways. In this scenario, which two Juniper best practices would accomplish this task? (Choose two.)

Referring to the VTEP output shown in the exhibit, which two statements are true? (Choose two.)

Which EVPN route type would be used in a DCI situation in which the IP subnets between data centers are completely unique?

What happens when a packet is encapsulated by a VXLAN before being placed in the overlay?

In the exhibit, VM1 is part of the same VXLAN segment as VM3. Which type of message will R1 initially send to R2 so that VM1 receives BUM traffic from VM3?

You are asked to design a deployment plan for a large number of QFX Series switches using ZTP. The ZTP deployment plan must ensure all switches are configured with their designated...

You are asked to deploy 20 QFX Series devices using ZTP. Each QFX5100 requires a specific FTP server. In this scenario, which two components must you configure on the DHCP server?...

You are configuring an IP Fabric in your data center and you are trying to load-balance traffic across multiple equal-cost BGP routes. You have enabled multipath, but the traffic i...

When using eBGP as the underlay protocol for your IP fabric architecture, which two statements are true? (Choose two.)

What are three advantages of using MPLS for data center interconnects? (Choose three.)

You have configured a new MC-LAG connection to a host. After committing the configuration, the MC-LAG link is not functioning properly. Referring to the exhibit, how would you solv...

Which two combinations are supported when configuring a Virtual Chassis Fabric? (Choose two.)

The MC-LAG group shown in the exhibit is providing high availability services for the directly connected servers. The backup liveness detection is applied to the ICL-PL link, howev...

Which two statements define the use of route targets and route distinguishers in an EVPN? (Choose two.)

Which two statements describe an IP fabric? (Choose two.)

What is the purpose of the command shown in the exhibit? [edit protocols l2-learning] user@switch# show disable-vxlan-multicast-transit { vxlan-multicast-group 239.0.0.1; }

You have deployed two data centers that require a Layer 2 stretch between host1 and host2. Referring to the exhibit, what does a Layer 2 stretch require?

Referring to the exhibit, each node in the IP fabric is peering to its directly attached neighbor using EBGP. Each node is peering using physical interface IP addresses. Leaf 2 and...

Which two statements describe EVPN-based VXLAN implementations? (Choose two.)

You are troubleshooting an L3VPN that is part of an EVPN/MPLS DCI. You notice that the EVPN overlay BGP session toward 10.29.50.4 is unable to establish. Why is the BGP session fai...

You are building a new IP fabric data center underlay network and want to ensure predictable load-balancing behavior for traffic traversing the fabric. What are two approaches you...

You are asked to enable plug-and-play for future line card switches in an active VCF without making any future Junos configuration changes. You are also required to ensure that all...

A VXLAN has been created between devices leaf1 and leaf3. Referring to the exhibit, which statement is true?

What is the endpoint of a VXLAN tunnel?

Which EVPN route type prevents BUM traffic from looping back to a multihomed host?

Your colleague has begun working on the base configuration for an active-active multihomed EVPN connection shown in the exhibit. PE1 set interfaces ge-0/0/4 vlan-tagging set interf...

You have a site with thousands of MAC addresses multihomed to two leaf nodes in an EVPN VXLAN. In this scenario, which EVPN feature provides fast network convergence in the event o...

What are two methods used to scale an IBGP IP Fabric? (Choose two.)

Which protocol is used between VCF member devices to create a loop-free topology?

You have deployed a VXLAN as shown in the exhibit leaf1, leaf3, spine1, and spine2 have been configured as VTEPs. Host1 cannot communicate with host2. Referring to the exhibit, how...

You are creating a new EVPN and are asked to selectively accept certain MAC advertisement routes from your EVPN peers using VXLAN encapsulation. Which statement is correct in this...

You have configured MP-IBGP to support EVPN for your overlay network. However, you are not seeing the expected routes on your edge devices. Peer: 10.255.14.182+179 AS 69 Local: 10....

You are deploying your a secure ARP and DHCP traffic across your local Ethernet links. In this scenario, which technology will accomplish this task?

Which protocol replicates forwarding information between MC-LAG peers?

Which two statements are true about Virtual Chassis? (Choose two.)

What are two valid types of VXLAN signaling? (Choose two.)

to establish your MP-BGP peering sessions and see your EVPN routes, but traffic will not traverse the VXLAN using EVPN signalling overlay network. What is a solution to this proble...

You are asked to configure VXLAN for your data center using multicast to exchange VTEP information. In this scenario, which two configuration parameters must match on the VTEPs in...

In the exhibit, VM1 is part of the same VXLAN segment as VM3. Which type of message will VTEP B initially send to the RP so that VM3 can communicate with VM1?

Devices spine1 and spine2 have been configured as distributed Layer 3 gateways in the VXLAN topology, and devices leaf1 and leaf3 have been configured as Layer 2 gateways. Device h...

Referring to the exhibit, what would cause the problem on VCP 0/50?

You want to ensure high availability of the Junos devices in your data center. In this scenario, which three features would accomplish this task? (Choose three.)

Which EVPN service consists of a single broadcast domain per EVPN instance?

Which two statements are correct when performing a unified ISSU? (Choose two.)

Referring to the exhibit, PE1 and PE2 are acting as MPLS Layer 3 VPN PEs to provide the DCI between DC and DC2, which are IP Fabrics. Leaf 1 and Leaf 2 are QFX5100 Series devices a...

Referring to the exhibit, which two MAC addresses are learned from the local side of the MC-LAG link?

An EX9200 switch is acting as a Layer 3 VXLAN gateway. In this scenario, which action will allow you to communicate between two VLANs?

You are deploying a spine-and-leaf IP Fabric in your data center using EBGP. In this scenario, which three statements are true? (Choose three.)