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Data Center, Professional (JNCIP-DC) Practice Test

JN0-682 exam Format | Course Contents | Course Outline | exam Syllabus | exam Objectives

Exam Specification:

- exam Name: Data Center- Professional (JNCIP-DC)
- exam Code: JN0-682
- exam Duration: 120 minutes
- exam Format: Multiple-choice and hands-on lab questions
- Passing Score: 65% (may vary)

Course Outline:

1. Data Center Deployment and Management
- Data center architecture and design principles
- Data center fabric and infrastructure components
- Data center deployment and management best practices
- Data center troubleshooting and maintenance

2. Layer 2 Data Center Technologies
- Ethernet switching in data centers
- Virtual LAN (VLAN) configuration and management
- Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP)
- Link Aggregation Control Protocol (LACP)

3. Layer 3 Data Center Technologies
- IP addressing and subnetting
- Routing protocols (OSPF- BGP) in a data center environment
- Virtual Router Redundancy Protocol (VRRP)
- Inter-VLAN routing and Layer 3 forwarding

4. Data Center Overlay Technologies
- Virtual Extensible LAN (VXLAN) and Network Virtualization using Generic Routing Encapsulation (NVGRE)
- Overlay tunneling protocols (GRE- MPLS)
- Virtual Network Functions (VNFs) and Network Function Virtualization (NFV)

5. Data Center Security
- Data center security threats and mitigation techniques
- Access control and identity management in data centers
- Firewall and security policies
- Virtual private networks (VPNs) in data center environments

6. Data Center Storage and Virtualization
- Storage Area Networks (SANs) and Fibre Channel
- Network-Attached Storage (NAS)
- Data center virtualization technologies (VMware- KVM)

Exam Objectives:

1. Design- deploy- and manage data center architectures.
2. Configure and troubleshoot Layer 2 and Layer 3 data center technologies.
3. Implement and optimize data center overlay technologies.
4. Ensure data center security and implement access controls.
5. Understand storage and virtualization technologies in data centers.
6. Perform troubleshooting and maintenance tasks in data center environments.

Exam Syllabus:

The exam syllabus covers the following courses (but is not limited to):

- Data center architecture and design
- Layer 2 switching and VLANs
- Spanning Tree Protocol and Link Aggregation
- Layer 3 routing protocols
- Data center overlay technologies
- Data center security
- Storage and virtualization in data centers
- Troubleshooting and maintenance in data center environments

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Juniper
JN0-682
Data Center, Professional (JNCIP-DC)
https://killexams.com/pass4sure/exam-detail/JN0-682
Question: 53
Which statement is true about a Data Center Interconnect over an IP network?
A. Layer 2 data must traverse a point-to-point link.
B. Layer 2 data must traverse an MPLS LS
D. Layer 2 data must be encapsulated.
E. Layer 3 data must be encapsulated.
Answer: C
Question: 54
You work in a data center where VMs and hosts are frequently moved. Your design needs to eliminate inefficient
traffic flows.
In this scenario, which two solutions will satisfy this requirement? (Choose two.)
A. VXLAN
B. EVPN
C. VMTO
D. VPLS
Answer: B, C
Question: 55
A VXLAN adds 50 to 54 bytes of extra header information to an Ethernet frame.
In this scenario, how would you accommodate this increase?
A. Decrease the number VXLANs used.
B. Increase the MTU on the physical interface connected to the VXLAN network.
C. Only use switches as VTEPs.
D. Increase the MTU on the VTEP interface connected to the VXLAN network.
Answer: B
Question: 56
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 separate vSwitches to isolate each tenant�s networks and use IP tables to evaluate inter-tenant traffic.
B. Use VLANs to isolate each tenant�s networks and use an SRX 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 a vSRX Series device to evaluate inter-tenant
traffic.
Answer: D
Question: 57
Which two statements describe MAC address learning for VPLS and EVPN? (Choose two.)
A. EVPN learns MAC addresses in the data plane.
B. VPLS learns MAC addresses in the control plane.
C. VPLS learns MAC addresses in the data plane.
D. EVPN learns MAC addresses in the control plane.
Answer: C, D
Question: 58
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 1:1 ratio.
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 server-facing ports that each leaf node uses to carry traffic.
C. Increase the number of spine nodes in your design.
D. Reduce the number of leaf nodes in your design.
Answer: B, C
Question: 59
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 172.16.1.2command.
B. From Spine 1, issue the show route advertising-protocol bgp 172.16.1.1command.
C. From Spine 1, issue the show route advertising-protocol bgp 172.16.1.2command.
D. From Leaf 1, issue the show route receive-protocol bgp 172.16.1.1command.
Answer: C, D
Question: 60
A company wants to expand their hosting business and is seeking solutions to support 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. routing instances
B. tenant systems
C. logical systems
D. bridge domains
Answer: A
Question: 61
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 MAC address associated with 10.1.1.1/24 and 10.1.1.2/24 will be the same when advertised to leaf3.
B. The connection from host1 to devices leaf1 and leaf2 must be configured as a LA
D. Traffic from IP address 10.1.1.1/24 must traverse the VXLAN network to reach IP address 10.1.1.2/24.
E. The ESI assigned to the leaf1-host1 link must be the same as the ESI assigned to the leaf2-hostl link.
Answer: C, D
Question: 62
You are designing a Layer 3 fabric underlay using EBGP. You will implement an EVPN-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 interfaces on all leaf devices.
B. Each device in the underlay should advertise its loopback address.
C. The underlay should be configured with a separate VRF for each potential tenant.
D. The underlay should support the PIM protocol.
Answer: B
Question: 63
After configuring an IP fabric using EBGP as your routing protocol, you notice that not all of the routes are showing
up in the routing tables. You have Checked that all adjacencies have formed, and that all policies are in place and
configured properly.
In this scenario, which statement is true?
A. The routers have not been configured with the multipath multiple-asparameter.
B. The routers have not been configured using the add-pathparameter.
C. The routers have not been configured using the bfd-liveness-detectionparameter.
D. The routers have not been configured using the multihopparameter.
Answer: D
Question: 64
You are designing an EBGP IP fabric for a multi-site data center. In this scenario, which two statements are true?
(Choose two.)
A. Public AS numbers must be used.
B. Different AS numbers should be used on all devices.
C. The same AS number should be used on all devices across all data centers.
D. Private AS numbers can be used.
Answer: B, D
Question: 65
You are configuring VXLAN, and you must ensure that all switches for the multicast groups advertise their existence
and learn about other VTEPs.
In this scenario, which protocol will accomplish this task?
A. OSPF
B. BGP
C. EVPN
D. PIM
Answer: D
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