Passing Juniper JN0-682 Exam Using 2024 Practice Tests
JN0-682 Study Guide Brilliant JN0-682 Exam Dumps PDF
Juniper JN0-682 exam is a challenging certification exam that requires candidates to have a deep understanding of data center technologies and protocols. JN0-682 exam covers a broad range of topics, including data center design, implementation, and support. Candidates who pass the JN0-682 exam can demonstrate their expertise in managing and troubleshooting Juniper Networks data center devices and technologies, which can help them advance their careers in the networking industry.
NEW QUESTION # 25
You are asked to manage the oversubscription ratio of your spine and leaf IP fabric. You determine that you
are at a 3:1 ratio of downstream to upstream traffic and must achieve a 1.1ratio.
In this scenario, which two actions would you take to achieve this goal? (Choose two.)
- A. Increase the number of server facing ports that each leaf node uses to carry traffic.
- B. Reduce the number of leaf nodes on your design.
- C. Increase the number of spine nodes in your design.
- D. Reduce the number of server facing that each leaf node uses to carry traffic.
Answer: C,D
NEW QUESTION # 26
You are deploying a switch using ZTP.
Which two statements are true in this scenario? (Choose two.)
- A. If the switch is already running the referenced image, no action is performed and the switch moves to the next ZTP step in the ZTP process.
- B. Using DHCP Option 150. the DHCP server informs the switch of a software image name.
- C. If no configuration file is referenced in DHCP Options, the switch downloads a default configuration file from the storage server.
- D. Using DHCP Option 43 sub option 01, the DHCP server informs the switch of the configuration file name.
Answer: A,C
NEW QUESTION # 27
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. Set the virtual Chassis as auto-provisioned before the line cars are inserted.
- B. Configure the auto-sw-update parameter on the VCF before inserting new line cards.
- C. Set the Virtual Chassis as per-provision before the line are inserted.
- D. Ensure that the newly instead card's MAC addresses are present in the DHCP configuration for ZTP.
Answer: A,B
Explanation:
Setting the Virtual Chassis as auto-provisioned (A) and configuring the auto-sw-update parameter (D) are key to enabling plug-and-play functionality for line card switches in an active VCF. This ensures that new line cards are automatically recognized and updated to the correct Junos version without manual intervention.
Reference:
Juniper Networks - Virtual Chassis Fabric Configuration Guide
NEW QUESTION # 28
Exhibit.
You are attempting to configure filter-based forwarding in your data center. All traffic from Host1 that is going to Host2 should be inspected by the data center firewall. You have verified that the traffic is being forwarded from router leaf L1's VRF-1 to its INSPECT-VRF. however, the traffic is not reaching service L2.
Referring to the exhibit, which two steps should you take to troubleshoot the problem? (choose two.)
- A. Ensure that VRF-1 and INSPECT-VRF route targets on L1 and L2 match.
- B. Examine the INSPECT-VRF.evpn 0 route table on L1 for a default route that will direct the traffic to L2.
- C. Ensure that the route target in the INSPECT-VRF of L1 matches the route target of the INSPECT-VRF of L2.
- D. Examine the INSPECT-VRF.inet. 0 route table on L1 for a default route that will direct the traffic to L2.
Answer: C,D
NEW QUESTION # 29
Which two statements define the use of route targets and route distinguishers in an EVPN? (Choose two.)
- A. Route distinguishers identify the VRF into which the route should be placed
- B. Route distinguishers ensure that routes from different client remain unique within the data center domain
- C. Route targets identify the VRF into which the route should be placed
- D. Route targets ensure that routes from different clients remain unique within the data center domain
Answer: A,B
Explanation:
A) Route distinguishers (RDs) ensure that routes from different clients remain unique within the data center domain by appending a unique identifier to each route, allowing overlapping IP spaces to coexist in the same network.
C) Route targets (RTs) identify the VRF into which the route should be placed. They are used in the import and export policies to control the distribution of routes among different VRFs, ensuring that routes are only shared with the intended VRFs.
NEW QUESTION # 30
You have deployed a multitenant EVPN-VXLAN fabric. You must have the routes in the BLUE VRF show up in the RED VRF. In this scenario, how would you achieve this goal?
- A. Configure a VRF import policy on the RED VRF that matches the BLUE VRF route target.
- B. Configure a VRF export policy on the BLUE VRF that matches the RED VRF route target.
- C. Configure the BLUE route target in the RED VRF.
- D. Configure the RED route target in the BLUE VRF.
Answer: C
NEW QUESTION # 31
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. Virtual private LAN service
- B. Multiple Spanning Tree Protocol
- C. Virtual Router Redundancy protocol
- D. Dual Routing Engineers
- E. graceful Routing Engine switchover
Answer: C,D,E
NEW QUESTION # 32
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 Spine 1, issue the show route advertising-protocol bgp 172.16.1.1 command.
- B. From Leaf 1, issue the show route receive-protocol bgp 172.16.1.1 command.
- C. From Leaf 2, issue the show route advertising-protocol bgp 172.16.1.2 command.
- D. From Spine 1, issue the show route advertising-protocol bgp 172.16.1.2 command.
Answer: B,D
NEW QUESTION # 33
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. Virtual private LAN service
- B. Multiple Spanning Tree Protocol
- C. Virtual Router Redundancy protocol
- D. Dual Routing Engineers
- E. graceful Routing Engine switchover
Answer: C,D,E
Explanation:
B) Virtual Router Redundancy Protocol (VRRP) ensures high availability by allowing multiple routers to work together to provide network resilience.
C) Graceful Routing Engine switchover (GRES) allows for the seamless transition of control plane functions between Routing Engines, ensuring continuous operation of the network.
D) Dual Routing Engines provide a hardware-based high-availability solution, where a backup Routing Engine takes over in case the primary fails, ensuring uninterrupted network service.
NEW QUESTION # 34
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. VXLAN Layer 3 gateway must be provisioned at the Super Spine layer.
- C. VTEP and VTEP2 must peer using IBGP.
- D. A route to the loopback address on VTEP must be present on VTEP1.
Answer: D
NEW QUESTION # 35
Exhibit.
The two data centers shown in the exhibit need to be connected using EVPN.
Which two statements are correct in this situation? (Choose two.)
- A. Hosts in VLAN 10 can communicate with hosts in Data Center 2 using Layer 2.
- B. Hosts in VLAN 202 can communicate using Layer 3 between data centers.
- C. Hosts in VLAN 202 can communicate using Layer 2 between data centers.
- D. Hosts in VLAN 10 can communicate with hosts in Data Center 2 using Layer 3.
Answer: C,D
NEW QUESTION # 36
You are asked to configure JTI on the QFX Series devices in your data center fabric. You must use sensors with the least amount of latency. Which type of sensor should you use in this scenario?
- A. analog sensors
- B. JTI native sensors
- C. JTI OpenConfig sensors
- D. Python sensors
Answer: B
NEW QUESTION # 37
What are three advantages of using MPLS for data center interconnects? (Choose two.)
- A. Dedicated connections between customer sites
- B. Any to any connectivity
- C. Dedicated MPLS backbones for Layer 1 and Layer 3 DCIs
- D. Sub 50 ms failover times
- E. Traffic engineering
Answer: B,D,E
Explanation:
Any to any connectivity is a key advantage of using MPLS for data center interconnects (DCIs). It allows for flexible and efficient connectivity options between various data center locations.
Traffic engineering is another significant advantage. MPLS allows for the control and optimization of traffic flows within the network, providing enhanced performance and efficient use of network resources
NEW QUESTION # 38
What is an advantage that EVPN has over VPLS when used for DC I?
- A. active/standby multihoming
- B. reverse path forwarding
- C. transparent BPDU transport
- D. mass MAC withdrawal
Answer: D
NEW QUESTION # 39
Exhibit.
A VXLAN has been created between devices leaf1 and Ieaf3.
Referring to the exhibit, which statement is true?
- A. Traffic sent from host1 to host2 will be tagged with VLAN ID 100 when exiting Ieaf3.
- B. Traffic sent from host1 to host2 will be tagged with VLAN ID 200 when exiting Ieaf3.
- C. Traffic sent from host1 to host2 will be dropped on leaf1.
- D. Traffic sent from host1 to host2 will be dropped on Ieaf3.
Answer: A
NEW QUESTION # 40
Which two statements define the use of route targets and route distinguishers in an EVPN?
(Choose two.)
- A. Route distinguishers identify the VRF into which the route should be placed
- B. Route targets identify the VRF into which the route should be placed
- C. Route distinguishers ensure that routes from different client remain unique within the data center domain
- D. Route targets ensure that routes from different clients remain unique within the data center domain
Answer: B,C
NEW QUESTION # 41
Which three statements are correct about multitenancy in a Junos EVPN environment? (Choose three.)
- A. Virtual switch instances allow for varying EVPN services on the same device.
- B. VRF instances allow for overlapping subnets.
- C. MAC-VRF instances allow for varying EVPN services on the same device.
- D. Virtual switch instances allow for overlapping VLANs.
- E. MAC-VRF instances allow for overlapping routes and VLANs.
Answer: A,B,E
NEW QUESTION # 42
What is an advantage that EVPN has over VPLS when used for DCI?
- A. active/standby multihoming
- B. reverse path forwarding
- C. transparent BPDU transport
- D. mass MAC withdrawal
Answer: D
Explanation:
One of the primary advantages of EVPN (Ethernet VPN) over VPLS (Virtual Private LAN Service) is the capability of mass MAC withdrawal (A). This feature allows EVPN to quickly remove MAC addresses from the forwarding database when a link or node fails, improving convergence times and network stability. In contrast, VPLS lacks this efficient mechanism for withdrawing MAC addresses en masse, which can lead to slower convergence and potential traffic blackholing in the event of network changes or failures. Reference:
Juniper Networks - EVPN Overview
Understanding EVPN
NEW QUESTION # 43
Exhibit.
You are troubleshooting a connectivity issue across a VXLAN overlay network. In the exhibit, you are using the ping overlay command from a local VTEP residing on a OFX 5120 to a remote VTEP residing on a separate QFX5120.
What is the problem in this situation?
- A. VXLAN VN1100 is not configured on both end points.
- B. VXLAN VN1100 is not configured on the local VTEP
- C. VXLAN VN1100 is not configured on the remote VTEP.
- D. The VXLAN controller is down.
Answer: A
NEW QUESTION # 44
You are asked to enable visibility into your EVPN-VXLAN network traffic by monitoring traffic continuously. Which two statements are correct in this scenario? (Choose two.)
- A. You cannot enable sFlow monitoring on each interface individually.
- B. The sFlow agent is installed by default on your OFX Series switch.
- C. You must enable sFlow monitoring on each interface individually.
- D. The sFlow agent needs to be manually installed on your QFX Series switch.
Answer: B,C
NEW QUESTION # 45
You are deploying a VXLAN using signaling overlay network in your new data center. You are able to establish your MP BGP peering session and see your EVPN routes, but traffic will not traverse the VXLAN using signaling overlay network.
What is a solution to this problem?
- A. Increase the MTU on the logical VTEP source interface of all devices participating in VXLAN using EVPN signaling.
- B. Increase the physical MTU on all ports on all devices participating in VXLAN using EVPN signaling.
- C. Increase the protocol MTU on all devices participating in VXLAN using EVPN signaling
- D. Enable the mtu-discovery feature on the MP peering sessions between VXLAN ANs EVPN signaling peers.
Answer: B
Explanation:
Increasing the physical MTU on all ports of devices participating in a VXLAN EVPN signaling network is essential. VXLAN encapsulation adds additional bytes to the Ethernet frame, which can lead to packet drops if the MTU is not large enough to accommodate the increased frame size. Ensuring that the physical MTU is set correctly on all devices allows for successful transmission of VXLAN encapsulated packets.
Reference:
Juniper Networks - Understanding VXLANs
NEW QUESTION # 46
Which IP fabric underlay protocol provides the highest degree of scalability?
- A. IS-IS
- B. EBGP
- C. OSPF
- D. RIP
Answer: B
NEW QUESTION # 47
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. The underlay should advertise the host connected interlaces on all leaf device
- B. The underlay should be configured with a separate VRF tor each potential tenant
- C. The underlay should support the PIM protocol
- D. Each device in the underlay should advertise its loopback address
Answer: D
Explanation:
For a VXLAN overlay to function properly over a Layer 3 EBGP fabric underlay, it's essential that each device in the underlay advertises its loopback address. This ensures reachability between the devices, facilitating proper tunnel establishment for the VXLAN overlay.
Reference:
Juniper Networks - EVPN VXLAN Configuration Guide
NEW QUESTION # 48
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The JN0-682 exam is intended for individuals who have a deep understanding of data center architectures, protocols, and technologies. It covers a range of topics, including data center design, implementation, and troubleshooting. Candidates must also have experience working with Juniper Networks products, including Junos OS, Contrail, and QFX Series switches.
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