JN0-681 Training & Certification Get Latest JNCIP-DC Updated on Sep 22, 2021
Certification Training for JN0-681 Exam Dumps Test Engine
NEW QUESTION 18
You are designing a network for a small data center. In this scenario, which underlay protocol allows for the simplest implementation?
- A. EBGP
- B. IBGP
- C. MPLS
- D. OSPF
Answer: A
NEW QUESTION 19
You need to add perimeter security to the network shown in the exhibit. All traffic must be inspected for attacks. The edge routers are using all available ports. Your solution must maintain both port and device resiliency.
In this scenario, which design would satisfy these requirements?
- A. inline SRX Series chassis cluster
- B. inline SRX Series device using LAG
- C. one-arm SRX Series chassis cluster
- D. one-arm SRX Series device using LAG
Answer: A
NEW QUESTION 20
Referring to the exhibit, PE1 and PE2 are acting as MPLS Layer 3 VPN PEs to provide the DCI between DC1 and DC2, which are IP Fabrics. Leaf1 and Leaf2 are QFX5100 Series devices acting as VXLAN Layer 2 Gateways using EVPN signaling for the same VXLAN segment.
Which statement is correct about the Edge1 device in this scenario?
- A. Edge1's routing table must contain an IP route to both Leaf1 and Leaf2.
- B. Edge1 must be configured for BGP labeled unicast on its PE1-facing interface.
- C. Edge1 must be configured for MP-BGP using L3VPN signaling.
- D. Edge1 must be configured for MP-BGP using EVPN signaling.
Answer: D
NEW QUESTION 21 
You are attempting to deploy a VCF as shown in the exhibit. SW-1 and SW-2 are functioning as the spine devices and SW-3 and SW-4 are functioning as the leaf devices. However, the VCF is not functioning properly.
Which two actions would solve this problem? (Choose two.)
- A. Switch the positions of SW-1 and SW-3.
- B. Switch the positions of SW-2 and SW-4.
- C. Switch the positions of SW-2 and SW-3.
- D. Switch the positions of SW-1 and SW-4.
Answer: C,D
NEW QUESTION 22
Which two statements are true regarding EVPN Route Distinguishers? (Choose two.)
- A. It can contain a two byte administration field and a four byte assigned number field.
- B. It can contain a six byte administration field and a two byte assigned number field.
- C. It can contain a two byte administration field and a six byte assigned number field.
- D. It can contain a four byte administration field and a two byte assigned number field.
Answer: A,D
NEW QUESTION 23
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, however, when one of the members rebooted, there was traffic loss for a few seconds.
In this scenario, where should you apply the backup liveness detection?
- A. On the management interfaces
- B. On the ae0 interface
- C. On the ae2 interface
- D. On the ae1 interface
Answer: A
NEW QUESTION 24
Referring to the exhibit, which hardware change would be made to the IP Fabric to ensure an exact 4:1 oversubscription ratio?
- A. Add three leaf nodes to the IP Fabric.
- B. Add a spine node to the IP Fabric.
- C. Add two leaf nodes to the IP Fabric.
- D. Upgrade the fabric links to 100GbE.
Answer: B
NEW QUESTION 25
Which two statements define the use of route targets and route distinguishers in an EVPN? (Choose two.)
- A. Route distinguishers ensure that routes from different client remain unique within the data center domain
- B. Route targets ensure that routes from different clients remain unique within the data center domain
- C. Route distinguishers identify the VRF into which the route should be placed
- D. Route targets identify the VRF into which the route should be placed
Answer: A,D
NEW QUESTION 26
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, however, when one of the members rebooted, there was traffic loss for a few seconds.
In this scenario, where should you apply the backup liveness detection?
- A. On the management interfaces
- B. On the ae0 interface
- C. On the ae2 interface
- D. On the ae1 interface
Answer: A
NEW QUESTION 27
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?
- A. PIM join
- B. PIM register message
- C. IGMP Join (*, G)
- D. IGMP Join (S,G)
Answer: B
NEW QUESTION 28 
Referring to the exhibit, VMs on Server-1 are sending traffic to VMs on Server-2. All VCPs in the VCF have 40Gbps of bandwidth available and automatic fabric trunking is bundling multiple VCPs together.
Which statement is correct in this scenario?
- A. The traffic will load balance across the SW-1, SW-2, and SW-3 devices.
- B. The traffic will load balance across the SW-1 and SW-2 devices.
- C. The traffic only takes the SW-4, SW-2, SW-5 path.
- D. The traffic only takes the SW-4. SW-1, SW-5 path.
Answer: A
NEW QUESTION 29
You are building a new IP fabric data center underlay network and want to ensure predicted load-balancing behavior for traffic, traversing the fabric.
What are two approaches you should take to satisfy the requirement in this scenario? (Choose two.)
- A. Ensure that all spine devices are the same switched mode.
- B. Ensure that all uplinks are 40GbE.
- C. Ensure that every node has a link to every other leaf node
- D. Ensure that every leaf node has an uplink spine node
Answer: A,D
NEW QUESTION 30
You are building a mixed-mode Virtual Chassis with two QFX5100-24Qs, four QFX3500-48s, two EX4600-40Fs and two EX4300-48Ts. The Virtual Chassis will not provision.
In this scenario. which statement is correct?
- A. EX4600s must be preprovisioned as the master and backup.
- B. EX4600s are only allowed with EX4300s.
- C. QFX3500s are not allowed in mixed mode.
- D. Mixed-mode Virtual Chassis only allows for eight members.
Answer: B
NEW QUESTION 31
Which protocol is used between VCF member devices to create a loop-free topology?
- A. LLDP
- B. VCCP
- C. RSTP
- D. MSTP
Answer: B
NEW QUESTION 32
Referring to the exhibit, what would cause the problem on VCP 0/50?
- A. The VCP has been disabled through configuration
- B. VCP 0/50 is configured as a network port.
- C. The port is missing the interface hardware
- D. The remote side is not configured as a VCP
Answer: D
NEW QUESTION 33
You are asked to deploy 20 QFX Series devices using ZTP Each QFX5 100 requires FTP server.
In this scenario, which two component must you configure on the DHCP Server? (Choose two.)
- A. The MAC address of each FTP QFX5100
- B. The MAC address of the FTP server
- C. The IP address of the FTP server
- D. The MAC address of each QFX5100
Answer: B,C
NEW QUESTION 34
Which statement is correct about EVPN Type 2 routers?
- A. An EVPN Type 2 route prevents the need to advertise host IP reachability.
- B. An EVPN Type 2 route disables MAC flowing to remote hosts.
- C. An EVPN Type 2 route allows data plane-based host MAC learning.
- D. An EVPN Type 2 route provides local proxy-arp for remote hosts.
Answer: C
NEW QUESTION 35
You have configured MP-IBGP to support EVPN for your overlay network. However, you are not seeing the expected routes on your edge devices.
Referring to the exhibit, how would you solve this problem?
- A. The group types on both devices should be set to external
- B. The family evpn signaling parameter must be configured on the remote peer.
- C. Graceful restart must be disabled for this session
- D. The family 12vpn signaling must be configured on the local peer
Answer: B
NEW QUESTION 36
A company wants to expect their hosting business and is seeking solutions to supported multiple tenants. Each tenant should be able to configure their own logical interfaces. Also, based on customer needs, all routing features must be supported.
What will satisfy the customer's requirements?
- A. Logical systems
- B. Tenant systems
- C. Bridge domains
- D. Routing instances
Answer: A
NEW QUESTION 37
What are two valid types of VXLAN signaling? (Choose two.)
- A. MPLS
- B. RSVP
- C. EVPN
- D. RSTP
Answer: A,C
NEW QUESTION 38
You are asked to design a deployment plan for a large number of QFX Series switches using zero touch provisioning (ZTP). The ZTP deployment plan must ensure all switches are upgraded to the desired software version.
Which DHCP option are suboption combination would be used to accomplish this task?
- A. DHCP options 66 with a supoption of 00
- B. DHCP options 43 with a supoption of 03
- C. DHCP options 43 with a supoption of 00
- D. DHCP options 66 with a supoption of 03
Answer: C
NEW QUESTION 39
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.)
- A. graceful Routing Engine switchover
- B. Multiple Spanning Tree Protocol
- C. virtual private LAN service
- D. Virtual Router Redundancy Protocol
- E. dual Routing Engines
Answer: A,D,E
Explanation:
Explanation/Reference:
NEW QUESTION 40
You created an IP Fabric based on IBGP. You noticed that ECMP load sharing is not working. In this scenario, what is the problem?
- A. BGP route reflectors only reflect the best route.
- B. A route input policy needs to be added on all non-route reflectors to allow ECMP.
- C. Each member of the IP Fabric needs a different autonomous system number.
- D. ECMP load sharing is only supported on 40GbE and 100GbE interfaces.
Answer: A,B
NEW QUESTION 41
What are two primary uses for VXLAN? (Choose two.)
- A. Create a Layer 3 overlay on a Layer 2 network.
- B. Provide data privacy and security in a datacenter.
- C. Create a Layer 2 overlay on a Layer 3 network.
- D. Enable Layer 2 connectivity between remote hosts.
Answer: C,D
NEW QUESTION 42
In a preprovisioned mixed Virtual Chassis, which statement is correct about converting a 40Gbps QSFP+ to a Virtual Chassis port in an EX4300?
- A. Both ends of the link have the default configuration.
- B. LLDP is enabled on that interface.
- C. One end of the link is configured as a Virtual Chassis port.
- D. LLDP is disabled on that interface.
Answer: C
NEW QUESTION 43
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