[Nov-2021] The Best JNCDS-DC JN0-1302 Professional Exam Questions
Try 100% Updated JN0-1302 Exam Questions [2021]
NEW QUESTION 18
Exhibit.
You are designing a data center where all your servers in each rack will be connected to two top-of-rack (ToR) switches using Layer 2 as shown in the exhibit You must implement a high availability solution that maintains link layer connectivity to each server when one of the ToR switches fails In this scenario, which solution will accomplish this task?
- A. bidirectional forwarding detection (BFD)
- B. Virtual Chassis with LAG
- C. non-stop bridging (NSB)
- D. chassis cluster with LAG
Answer: D
NEW QUESTION 19
Which protocol is used to exchange control information between the participating multichassis LAG (MC-LAG) peers?
- A. ICCP
- B. OSPF
- C. VCCP
- D. BGP
Answer: A
NEW QUESTION 20
Which two statements describe CoS? (Choose two.)
- A. CoS does not create additional bandwidth.
- B. CoS can be used to differentiate traffic for different customers.
- C. CoS creates an end-to-end guaranteed bandwidth reservation
- D. CoS does not protect sensitive traffic flows
Answer: B,C
NEW QUESTION 21
Which three statements are correct regarding a Clos-style IP fabric network? (Choose three )
- A. Spine nodes should not be interconnected
- B. Spine nodes can be interconnected
- C. Leaf nodes should not be interconnected
- D. Leaf nodes can be interconnected
- E. Leaf nodes should be connected to spine nodes
Answer: D
NEW QUESTION 22
What are two reasons for using cRPD? (Choose two.)
- A. SOHO
- B. cloud-native routing
- C. route reflector
- D. core routing
Answer: B,D
NEW QUESTION 23
Exhibit.
Referring to the exhibit, which two statements are correct7 (Choose two)
- A. You should use CoS schedulers for traffic leaving the leaf devices and going to the spine devices.
- B. You should use CoS schedulers for traffic coming into the leaf devices from the servers
- C. You should use CoS schedulers for traffic coming into the spine devices from the leaf devices
- D. You should use CoS schedulers for traffic leaving the spine devices and going to the leaf devices.
Answer: A,D
NEW QUESTION 24
You are asked to design a DCI that offers policy control, active/active multihoming with load balancing, and minimizes flooding of BUM traffic.
Which DCI implementation satisfies these requirements?
- A. circuit cross-connect
- B. VPLSLAG
- C. BGP Layer 2 VPN
- D. EVPN
Answer: D
NEW QUESTION 25
Exhibit.
Which two statements about the redundancy design shown in the exhibit are true? (Choose two )
- A. Multicast IP addressing is in use
- B. Anycast IP addressing is in use
- C. User traffic must be policy-routed to the active data center
- D. Inter-server traffic must use an alternate IP address
Answer: C,D
NEW QUESTION 26
Exhibit.
You are designing a data center where all your servers in each rack will be connected to two top-of-rack (ToR) switches using Layer 2 as shown in the exhibit You must implement a high availability solution that maintains link layer connectivity to each server when one of the ToR switches fails In this scenario, which solution will accomplish this task?
- A. bidirectional forwarding detection (BFD)
- B. Virtual Chassis with LAG
- C. non-stop bridging (NSB)
- D. chassis cluster with LAG
Answer: D
NEW QUESTION 27
You want to deploy chassis clustering to provide high availability on the SRX Series devices that are securing your data center In this scenario, which statement is correct?
- A. MC-LAG can provide high availability
- B. The reth interfaces can provide high availability
- C. NSR can provide high availability.
- D. GRES can provide high availability
Answer: B
NEW QUESTION 28
Exhibit.
For a fully configured and functional IP fabric underlay as shown in the exhibit how many external BGP neighbors are expected to be in established state for Leaf 1?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 29
Contrail Networking performs which three functions? (Choose three)
- A. Deploy bare metal compute devices
- B. Virtualize networks
- C. Configure physical network functions
- D. Configure storage components
- E. Perform service chain network functions
Answer: B,C,E
NEW QUESTION 30
Which data center architecture is open, flexible, and uses Layer 3 only?
- A. MC-LAG
- B. virtual chassis
- C. STP
- D. IP fabric
Answer: A
NEW QUESTION 31
You must implement high availability features in the design for a data center Every network device in this design will have dual routing engines In this scenario, which two high availability features should you use? (Choose two )
- A. NSR with graceful restart
- B. NSR with NSB
- C. GRES with NSB
- D. GRES with NSR
Answer: A,D
NEW QUESTION 32
You are designing a QoS scheme for your data center. You must ensure lossless Ethernet.
What are three protocols that would be used in this scenario? (Choose three.)
- A. DCBx
- B. SPB
- C. TRILL
- D. ETS
- E. PFC
Answer: A,D,E
NEW QUESTION 33
Exhibit.
You are designing a Data Center Interconnect to transport VXLAN traffic between DC-A and DC-B Which two technologies will allow the MX Series routers to transport the VXLAN packets over the WAN, as shown in the exhibit? (Choose two)
- A. Layer 3 VPN
- B. VPLS
- C. IP routing
- D. Layer 2 VPN
Answer: A,B
NEW QUESTION 34
Which statement about a Virtual Chassis deployment is correct?
- A. All member switches must be running the same Junos version.
- B. A Virtual Chassis can include switches mounted in multiple different racks.
- C. A Virtual Chassis uses Spanning Tree Protocol between individual member switches
- D. A Virtual Chassis can interconnect as many as 20 switches to form a single virtual device.
Answer: D
NEW QUESTION 35
You are designing a large IP fabric and must determine if you should use IBGP or EBGP to signal your underlay Which statement is correct in this scenario?
- A. EBGP will require a full mesh on all devices for load balancing.
- B. EBGP will require that you include the add-path feature for load balancing.
- C. EBGP will require that you include the multipath and multiple-as features for load balancing
- D. EBGP will require that an IGP is also configured for load balancing.
Answer: B
NEW QUESTION 36
You are designing a large IP fabric and must determine if you should use IBGP or EBGP to signal your underlay Which statement is correct in this scenario?
- A. IBGP will allow your network to scale to larger device numbers.
- B. EBGP will require more BGP neighbors per device.
- C. IBGP will require a full mesh on all devices
- D. EBGP will require that an IGP is also configured
Answer: A
NEW QUESTION 37
Which two statements describe CoS? (Choose two.)
- A. CoS can be used to differentiate traffic for different customers.
- B. CoS does not protect sensitive traffic flows
- C. CoS does not create additional bandwidth.
- D. CoS creates an end-to-end guaranteed bandwidth reservation
Answer: A,C
NEW QUESTION 38
What are two elements of data center security? (Choose two.)
- A. ATP Cloud advanced anti-malware
- B. DDoS protection
- C. segmentation with VLANs in hypervisors
- D. JIMS for user identify and management
Answer: A,C
NEW QUESTION 39
You want to encapsulate Layer 2 frames for transport across a Layer 3 network.
Which three methods are supported by Juniper Networks to accomplish this task? (Choose three)
- A. VXLAN
- B. MPLS over UDP
- C. MPLS over GRE
- D. EVPN
- E. Layer 3 VPN
Answer: B,C,D
NEW QUESTION 40
Your company is deploying a private cloud based on OpenStack and has selected Contrail Networking as their SDN controller. The data center supporting this private cloud will use an IP fabric architecture consisting of QFX Series switches and MX Series routers.
Which two statements are true in this scenario? (Choose two )
- A. Each vRouter maintains separate forwarding tables for various virtual networks
- B. Spine and leaf devices may contain per-tenant MAC and IP addresses
- C. All vRouters maintain identical forwarding tables for all virtual networks.
- D. SDN Gateway devices may contain per-tenant MAC and IP addresses
Answer: A,D
NEW QUESTION 41
Exhibit.
For a fully configured and functional IP fabnc underlay as shown in the exhibit, how many external BGP neighbors are expected to be in the established state for Spine 1?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 42
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