信頼できるJNCIP-DC JN0-681問題集PDF2022年01月09日最近更新された問題
必ず合格できるJuniper JN0-681試験正確な68問題と解答あります
質問 38
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.
正解: C,D
質問 39
What is the endpoint of a VXLAN tunnel?
- A. VCF
- B. DLCI
- C. LSR
- D. VTEP
正解: D
質問 40
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 must be configured for MP-BGP using L3VPN signaling.
- B. Edge1 must be configured for MP-BGP using EVPN signaling.
- C. Edge1 must be configured for BGP labeled unicast on its PE1-facing interface.
- D. Edge1's routing table must contain an IP route to both Leaf1 and Leaf2.
正解: B
質問 41
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. one-arm SRX Series chassis cluster
- C. inline SRX Series chassis cluster
- D. one-arm SRX Series device using LAG
正解: B
質問 42
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 would you solve this problem?
- A. A Layer 3 VXLAN gateway must be configured on at least one of the devices.
- B. Host1 and host2 must be placed in the same VRF.
- C. The VLAN ID on the link connected to host2 must be changed to VLAN 100.
- D. A DCI connection must be created between the VLANs.
正解: A
質問 43
You are configuring an EVPN overlay network. You want to ensure that leaf devices can respond to ARP requests from locally connected hosts, when the leaf device knows the MAC of the intended destination.
In this scenario, what should you configure on the leaf devices to accomplish this task?
- A. Static ARP entries
- B. Proxy ARP
- C. IGMP snooping
- D. Persistent MAC learning
正解: B
質問 44
Which protocol is used between VCF member devices to create a loop-free topology?
- A. MDTP
- B. LLDP
- C. RSTP
- D. VCCP
正解: D
質問 45
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. The ESI assigned to the leaf1-host1 link must be the same as the ESI assigned to the leaf2-hostl link.
- B. The MAC address associated with 10.1.1.1/24 and 10.1.1.2/24 will be the same when advertised to leaf3.
- C. Traffic from IP address 10.1.1.1/24 must traverse the VXLAN network to reach IP address 10.1.1.2/24.
- D. The connection from host1 to devices leaf1 and leaf2 must be configured as a LAG.
正解: A,D
質問 46 
Which statement is valid for EVPN multihoming CE1 to PE1 and PE2 as shown in the exhibit?
- A. The PEs must be manually configured for the ESI value on the interfaces attached to the CEs.
- B. CE1 must have LACP enabled on the interfaces attached to the PEs.
- C. The PEs use BPDU autodiscovery by enabling STP on the interfaces attached to CE1.
- D. CE1 must have the MAC mobility extended community enabled in BGP on both the CE and PEs.
正解: A
質問 47
Referring to the exhibit, each leaf node is a QFX5100 acting as a VXLAN Layer 2 Gateway using EVPN signaling. Leaf 2 and Leaf 3 are both attached to the same EVPN Ethernet segment. Leaf 2 has been elected the designated forwarder for VLAN 200 on that Ethernet segment.
In this scenario, which two actions will Leaf 1 perform with the broadcast Ethernet frame received from Host A? (Choose two.)
- A. Leaf 1 will strip the VLAN tag from the Ethernet frame before encapsulating it in VXLAN.
- B. Leaf 1 will send a VXLAN encapsulated copy of the Ethernet frame to Leaf 2 only.
- C. Leaf 1 will send a VXLAN encapsulated copy of the Ethernet frame to both Leaf 2 and Leaf 3.
- D. Leaf 1 will change the VLAN tag of the Ethernet frame to 200 before encapsulating it in VXLAN.
正解: A,B
質問 48
Your server administrator asks you to preserve the inner VLAN tags of the frames coming from a Layer 2 VXLAN Gateway of the EVPN-enabled segment.
Which two parameters must you add to the configuration to allow the VLAN tag to be passed? (Choose two.)
- A. encapsulate-inner-vlan
- B. decapsulate-accept-inner-vlan
- C. dotlq-tunneling
- D. layer2-protocol-tunneling
正解: A,B
質問 49
You are asked to enable plug-and-play line card switches in an active VCF without making any future Junos configuration charges. You are also required to ensure that all new line card are automatically upgrade to the correct Junos version without any manual intervention.
In this scenario, which two actions will accomplish this task? (Choose two.)
- A. Ensure that the newly instead card's MAC addresses are present in the DHCP configuration for ZTP.
- B. Set the Virtual Chassis as per-provision before the line are inserted.
- C. Configure the auto-sw-update parameter on the VCF before inserting new line cards.
- D. Set the virtual Chassis as auto-provisioned before the line cars are inserted.
正解: C,D
質問 50
Which two statements about VXLAN are true? (Choose two.)
- A. Devices that terminate VXLAN tunnels are known as VTEPs.
- B. VXLAN adds an additional 32 bytes worth of headers.
- C. A VTEP is virtual or physical device that maps end devices to VXLAN segments.
- D. VXLAN uses a UDP destination port 4987.
正解: A,C
質問 51
You host a multitenant data center that runs VMware. You must perform deep packet inspection on all inter-tenant traffic that is flowing between the VMs within the same hypervisor. Your solution must provide the security services without needing to leave the physical device.
In this scenario, what should you do to solve this problem?
- A. Use VLANs to isolate each tenant's networks and use an SRX Series device to evaluate inter-tenant traffic.
- B. Use separate vSwitches to isolate each tenant's networks and use a vSRX Series device to evaluate inter-tenant traffic.
- C. Use a vMX device to isolate each tenant's networks and use with firewall filters to evaluate inter-tenant traffic.
- D. Use separate vSwitches to isolate each tenant's networks and use IP tables to evaluate inter-tenant traffic.
正解: B
質問 52
Referring to the exhibit, what would cause the problem on VCP 0/50?
- A. The remote side is not configured as a VCP
- B. The VCP has been disabled through configuration
- C. VCP 0/50 is configured as a network port.
- D. The port is missing the interface hardware
正解: B
質問 53
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. A Layer 3 gateway can be configured on the leaf devices.
- C. The VNI assigned to the host1 link must be the same as the VNI assigned to the host2 link.
- D. The ESI assigned to the host1 link will be different from the ESI assigned to the host2 link.
正解: A,B
質問 54
You are designing a Layer 3 fabric underlay using EBGP. You will implement an E VPN-signaled VXLAN overlay on the Layer 3 fabric.
In this scenario, what must you do in the underlay to ensure that the VXLAN overlay will be able to function properly?
- A. Each device in the underlay should advertise its loopback address
- B. The underlay should advertise the host connected interlaces on all leaf device
- C. The underlay should be configured with a separate VRF tor each potential tenant
- D. The underlay should support the PIM protocol
正解: A
質問 55
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. Each member of the IP Fabric needs a different autonomous system number.
- B. BGP route reflectors only reflect the best route.
- C. ECMP load sharing is only supported on 40GbE and 100GbE interfaces.
- D. A route input policy needs to be added on all non-route reflectors to allow ECMP.
正解: B,D
質問 56
Referring to the VTEP output shown in the exhibit, which two statements are true? (Choose two.)
- A. The MAC address.52:54:00:5e:88:6a belongs to a local host.
- B. The MAC address 52:54:00:2c:4b:a2 belongs to a remote host.
- C. The MAC address 52:54:00:2c:4b:a2 belongs to a local host.
- D. The MAC address 52:54:00:5e:88:6a belongs to a remote host.
正解: B,D
質問 57
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. PIM Register message
- B. IGMP Join (S, G)
- C. PIM Join
- D. IGMP Join (*.G)
正解: C
質問 58
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
正解: B
質問 59
You are establishing an IP Fabric where your QFX10002-72Q spine devices are connecting to leaf devices. Each leaf is a Virtual Chassis comprised of ten EX4300s.
What is the maximum number of leaf devices supported in this scenario?
- A. 0
- B. 1
- C. 2
- D. 3
正解: C
質問 60
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2022年最新の実際にある検証済みのJN0-681問題集：https://www.goshiken.com/Juniper/JN0-681-mondaishu.html