JN0-681 Free Exam Study Guide! (Updated 68 Questions)
JN0-681 Dumps for JNCIP-DC Certified Exam Questions and Answer
NEW QUESTION 13
Which two statements are true Virtual Chassis? (Choose two.)
- A. By default, Junos switches are in a mixes 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 non-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 14
You are logged in to Leaf 1.
When examining the routing table, you notice that you have no routes from Leaf 2.
Referring to the exhibit, which two commands would you use to troubleshoot the problem? (Choose two.)
- A. From Leaf 1, issue the show route receive-protocol bgp 172.16.1.1command.
- B. From Spine 1, issue the show route advertising-protocol bgp 172.16.1.2command.
- C. From Spine 1, issue the show route advertising-protocol bgp 172.16.1.1command.
- D. From Leaf 2, issue the show route advertising-protocol bgp 172.16.1.2command.
Answer: A,B
NEW QUESTION 15
Referring to the exhibit, R1 and R2 are QFX5100s and are acting as VXLAN Layer 2 Gateways for VLAN 100 using PIM-SM signaling. R2 currently has only the (*.G) state established for VNI 5100.
Which event will cause R2 to establish the (S,G) state for VNI 5100 using R1 as the multicast source?
- A. when R2 first learns the MAC address of a locally attached host
- B. when R2 receives broadcast, multicast, or unknown unicast from Host A
- C. when R2's VNI 5100 configuration is committed
- D. when R1 receives a known unicast Ethernet frame from Host A
Answer: D
NEW QUESTION 16
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 is not being load-balanced.
Referring to the exhibit, what will solve this problem?
- A. You should apply load-balance policy as an import policy to the forwarding table
- B. You should apply the load-balance policy as an export policy to the forwarding table
- C. You should apply the load-balance policy as an export policy to the BGP neighbor
- D. You should apply the load-balance policy as an export policy for the BGP neighbor
Answer: B
NEW QUESTION 17
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 device using LAG
- B. inline SRX Series chassis cluster
- C. one-arm SRX Series chassis cluster
- D. one-arm SRX Series device using LAG
Answer: B
NEW QUESTION 18
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 host1 must be able to communicate with device host2.
Referring to the exhibit, which two statements are true? (Choose two.)
- A. An IRB interface must be configured on devices leaf1 and leaf2.
- B. Traffic from host1 to host2 will transit the VXLAN tunnel from leaf1 to leaf3.
- C. An IRS interface must be configured on devices spine1 and spine2.
- D. Traffic from host1 to host2 will transit a VXLAN tunnel to spine1 or spine2, then a VXLAN tunnel from spine1 or spine2 to leaf3.
Answer: C,D
NEW QUESTION 19
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 the same VXLAN segment?
(Choose two.)
- A. multicast group
- B. VNI
- C. routing instance name
- D. VLAN ID
Answer: A,B
NEW QUESTION 20
Which EVPN route type would be used in DCI situation in which the IP subnets between data center are complete unique?
- A. Type 3
- B. Type 4
- C. Type 2
- D. Type 5
Answer: D
NEW QUESTION 21
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. IPsec
- C. MAC sec
- D. A firewall filter
Answer: C
NEW QUESTION 22
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 Leaf 1 queries Host 1.
- B. Leaf 2 learn Host 1's MAC address when Host 3 learns Host 1's MAC address.
- C. Leaf 2 does not learn Host 1's MAC address until Host1 and Host2 send traffic to each other
- D. Leaf 2 learn Host 1's MAC address through periodic updates from Spine 2
Answer: B
NEW QUESTION 23
Referring to the exhibit, a failure has occurred and the original VCF has split into two separate VCFs. The VCF associated with SW-1 is active and the VCF associated with SW-3 is inactive.
In this scenario, why are the two VCFs in these states?
- A. The active VCF contains the master and backup REs.
- B. The active VCF contains the master RE and more than half of the VCF members.
- C. The active VCF contains the backup RE and more than half of the VCF members.
- D. The active VCF contains less operational interfaces than the deactivated VCF.
Answer: B
NEW QUESTION 24
What are two primary uses for VXLAN? (Choose two.)
- A. Enable Layer 2 connectivity between remote hosts.
- B. Provide data privacy and security in a datacenter.
- C. Create a Layer 3 overlay on a Layer 2 network.
- D. Create a Layer 2 overlay on a Layer 3 network.
Answer: A,D
NEW QUESTION 25
VMs on Server-1 and Server-2 are on the same Layer 2 domain within a VCF and are sending traffic to each other.
Referring to the exhibit, which three criteria are used when load-balancing traffic? (Choose three.)
- A. destination IP
- B. incoming port ID
- C. source MAC
- D. EtherType
- E. Layer 4 source port
Answer: B,C,D
NEW QUESTION 26
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?
- A. IGMP Join (*,G)
- B. PIM Register message
- C. IGMP Join (S,G)
- D. PIM Join
Answer: D
NEW QUESTION 27
Referring to the exhibit, what would cause the problem on VCP 0/50?
- A. The port is missing the interface hardware.
- B. VCP 0/50 is configured as a network port.
- C. The remote side is not configured as a VCP.
- D. The VCP has been disabled through configuration.
Answer: D
NEW QUESTION 28
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. a firewall filter
- C. IPsec
- D. MACsec
Answer: D
NEW QUESTION 29
Which two combinations are supported when configuring a Virtual Chassis Fabric? (Choose two.)
- A. two spine nodes and 16 leaf nodes
- B. four spine nodes and 20 leaf nodes
- C. two spine nodes and 28 leaf nodes
- D. four spine nodes with 16 leaf nodes
Answer: A,D
NEW QUESTION 30
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 host1 must be able to communicate with device host2.
Referring to the exhibit, which two statements are true? (Choose two.)
- A. An IRB interface must be configured on devices leaf1 and leaf2.
- B. Traffic from host1 to host2 will transit the VXLAN tunnel from leaf1 to leaf3.
- C. An IRS interface must be configured on devices spine1 and spine2.
- D. Traffic from host1 to host2 will transit a VXLAN tunnel to spine1 or spine2, then a VXLAN tunnel from spine1 or spine2 to leaf3.
Answer: C,D
NEW QUESTION 31
You are logged in to Leaf 1. When examining the routing table, you notice that you have no routes from Leaf 2.
Referring to the exhibit, which two commands would you use to troubleshoot the problem? (Choose two.)
- A. From Leaf 2, issue the show route advertising-protocol bgp 172.16.1.2 command.
- B. From Spine 1, issue the show route advertising-protocol bgp 172.16.1.2 command.
- C. From Leaf 1, issue the show route receive-protocol bgp 172.16.1.1 command.
- D. From Spine 1, issue the show route advertising-protocol bgp 172.16.1.1 command.
Answer: B,C
NEW QUESTION 32
Exhibit:
You created an IP Fabric topology as shown in the exhibit and are having connectivity problems.
What is causing these problems?
- A. /31 addresses are not supported on Juniper devices.
- B. There is an Overlapping address.
- C. The 192.168 network is reserved and should not be used for IP fabrics.
- D. 192.168.0.0 is not a valid endpoint address.
Answer: B
NEW QUESTION 33
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 scenario?
- A. You can use VRF import policies and community values to filter out unwanted routes.
- B. You can use MAC filtering to filter out unwanted routes.
- C. You can use firewall filters to filter out unwanted routes.
- D. You can use VRF import policies and route distinguisher values to filter out unwanted routes.
Answer: A
NEW QUESTION 34
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