A fully updated 2021 JN0-681 Exam Dumps exam guide from training expert BraindumpsVCE
Provides complete coverage of every objective on exam and exam preparation JN0-681
NEW QUESTION 26
Your manager asks you to secure ARP and DHCP traffic across your local Ethernet links.
In this scenario, which technology will accomplish this task?
- A. SSL
- B. MACsec
- C. a firewall filter
- D. IPsec
Answer: B
NEW QUESTION 27
An EVPN-signaled VXLAN overlay has been deployed in the network shown in the exhibit. Host1 is a bare metal server, and is dual-homed to the network. The IP addresses 10.1.1.1/24 and 10.1.1.2/24 are assigned to the same physical NIC, and no virtualization is configured on the server.
In this scenario, which two statements are true? (Choose two.)
- A. Traffic from IP address 10.1.1.1/24 must traverse the VXLAN network to reach IP address 10.1.1.2/24
- B. The connection host1 to devices leaf1 and leaf2 must be configuration a LAG.
- C. The MAC address associated with 10.1.1.1/24 and 10.1.1.2/24 will be same when advertised to leaf3.
- D. The ESI assigned to the host1 link must be the as the ESI assigned to the leaf2 host1 link.
Answer: B,D
NEW QUESTION 28
Which two statements describe MAC address learning for VPLS and EVPN? (Choose two.)
- A. EVPN learns MAC addresses in the data plane
- B. EPLS learns MAC addresses in the control plane
- C. EVPN learns MAC addresses in the control plane
- D. VPLS learns MAC addresses in the data plane
Answer: C,D
NEW QUESTION 29
You want to configure redundant Layer 3 gateways.
In this scenario, which two Juniper best practices would accomplish this task? (Choose two.)
- A. configuring both IRB interfaces manually with the same MAC address.
- B. allowing Junos to dynamically create the virtual MAC address of the IRB interface.
- C. allowing Junos to dynamically create the virtual IP address of the IRB interface.
- D. configuring both IRB interfaces manually with the same IP address.
Answer: B,D
NEW QUESTION 30 
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 31
Referring to the exhibit, DC1 and DC2 have a DCI across a service provider WAN connection. Host1 in DC1 must have Layer 2 connectivity to host2 in DC2. A VXLAN tunnel must be created between VTEP1 and VTEP2.
In this scenario, which statement is true?
- A. The service provider WAN connection be an MPL5-based WAN connection.
- B. A route to the loopback address on VTEP must be present on VTEP1.
- C. VXLAN Layer 3 gateway must be provisioned at the Super Spine layer.
- D. VTEP and VTEP2 must peer using IBGP.
Answer: B
NEW QUESTION 32
You are asked to configure VXLAN for you c data center using multicast to exchange VTEP information?
In this scenario, which two configuration parameters must match on the VTEPs in the same VXLAN segment? (Choose two.)
- A. VLAN ID
- B. Routing instance name
- C. VNI
- D. Multicast group
Answer: C,D
NEW QUESTION 33
What is the purpose of the command shown in the exhibit?
- A. to disable the multicast group 239.0.0.1 across the entire VXLAN.
- B. to stop the reception of transit multicast traffic when there are no interested receivers attached to the local VTEP.
- C. to disallow IGMP requests for the group 239.0.0.1 from hosts attached to the local VTEP.
- D. to stop the transmission of transit multicast traffic when there are no interested receivers attached to a remote VTEP.
Answer: D
NEW QUESTION 34
Referring to the exhibit, Host 1 and Host 3 have exchanged traffic.
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In this scenario, which statement is true?
- A. Leaf 2 learn Host 1's MAC address when Host 3 learns Host 1's MAC address.
- B. Leaf 2 learn Host 1's MAC address when Leaf 1 queries Host 1.
- C. Leaf 2 learn Host 1's MAC address through periodic updates from Spine 2
- D. Leaf 2 does not learn Host 1's MAC address until Host1 and Host2 send traffic to each other
Answer: A
NEW QUESTION 35
A client with five data centers spread around the country uses MPLS L2VPNs to provide point-to-point data center Interconnects between each data center in a full-mesh network. The client is considering an MPLS EVPN implementation.
In this scenario, what are three advantages of using MPLS EVPN interconnects? (Choose three.)
- A. They provide for lower transmission latency.
- B. They provide for a local proxy ARP/ND resolution.
- C. They provide for point-to-multipoint connectivity.
- D. They provide for static configuration that does not require a Dynamic Routing Protocol.
- E. They provide for MAC learning in the control plane.
Answer: B,C,E
NEW QUESTION 36
Host1 and host2 are connected to an EVPN signaled VXLAN overlay, and must have Layer 3 connectivity.
The VNI and VLAN assignments are shown in the exhibit.
In this scenario, which two statements are true? (Choose two.)
- A. A layer 3 gateway can be configured on the spine devices.
- B. The VNI assigned to the host1 link must be same as the VNI assigned to the host2 link.
- C. A Layer 3 gateway can be configured on the leaf devices.
- D. The ESI assigned to the host1 link will be different from the ESI assigned to the host link.
Answer: A,C
NEW QUESTION 37
The MC-LAG group shown in the exhibit is providing high availability services for the directly connected servers.
Where does Juniper Networks recommend you provide the backup liveness detection?
- A. on the ae1 interface
- B. on the management interfaces
- C. on the ae2 interface
- D. on the ICL-PL connection
Answer: D
NEW QUESTION 38
Which two statements are true about Virtual Chassis? (Choose two.)
- A. By default, Junos switches are in a non-mixed mode Virtual Chassis.
- B. The request virtual-chassis mode fabric reboot command will set the Virtual Chassis to mixed mode.
- C. By default, Junos switches are in mixed mode Virtual Chassis.
- D. The request virtual-chassis mode fabric reboot command will set the Virtual Chassis to fabric mode with similar devices.
Answer: A,B
NEW QUESTION 39
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 ae1 interface
- C. on the ae0 interface
- D. on the ae2 interface
Answer: A
NEW QUESTION 40
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 41
Which EVPN router type prevents BUM traffic from looping back to a multihued host?
- A. Ethernet segment router
- B. IP prefix route
- C. Inclusive multicast-Ethernet tag route
- D. Ether auto discovery route
Answer: D
NEW QUESTION 42
Your colleague has begun working on the base configuration for an active-active multihomed EVPN connection shown in the exhibit.
Which two actions will ensure a successful implementation? (Choose two.)
- A. Change the ESI mode on PE1 to signal-active
- B. Change the ESI value on the PE1 device to 00.22.44.88.00.22.44.66.88
- C. Change the ESI value on the PE2 device to 00.00.00.00.00.00.00.00.00.00
- D. Change the ESI mode on PE2 to all-active
Answer: B,D
NEW QUESTION 43
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