Download Data Center Design, Specialist (JNCDS-DC).JN0-1301.SelfTestEngine.2020-01-21.39q.vcex

Vendor: Juniper
Exam Code: JN0-1301
Exam Name: Data Center Design, Specialist (JNCDS-DC)
Date: Jan 21, 2020
File Size: 586 KB
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Demo Questions

Question 1
Referring to the exhibit, what must you change to make the topology a supported Virtual Chassis Fabric design?  
  
  1. Change the Routing Engine to a line card.
  2. Remove one leaf node.
  3. Add a second spine node.
  4. Change one of the line cards to a VCP master instance.
Correct answer: C
Question 2
You are designing an IP fabric using EVPN with VXLAN and must ensure that all links between the leaf and spine nodes are used as efficiently as possible. Which two design considerations are important to achieve this task? (Choose two.)
  1. Load balancing is automatic in an IP fabric design.
  2. Load balancing must be managed by an SDN controller in an IP fabric design.
  3. The overlay network needs to support load balancing.
  4. The underlay network needs to support load balancing.
Correct answer: AD
Question 3
You are designing a Control-based SDN overlay network. IP filtering and tenant separation for Layer 3 and Layer 4 traffic is required for this installation.  
In this scenario, which Contrail component performs this function?
  1. vSwitch
  2. control node
  3. vRouter
  4. compute node
Correct answer: C
Question 4
You want to provide Layer 2 connectivity to a backup data center or to a disaster recovery site. What would you use to accomplish this task?
  1. Data Center Interconnect
  2. network redundancy
  3. SDN
  4. SAN protocols
Correct answer: A
Question 5
A customer has selected QFX5110 switches. The initial installation will contain two switches located in racks about two meters apart.  
What is the most cost-effective way to interconnect these switches?
  1. Use SMF between the racks and interconnect the switches with LX4 transceivers.
  2. Use a Virtual Chassis cable between the VCP cards.
  3. Use MMF between the racks and interconnect the switches with SR4 transceivers.
  4. Use a three-meter passive DAC cable between the racks and interconnect the switches with it.
Correct answer: D
Question 6
Which two statements are true about IP fabrics? (Choose two.)
  1. IP-based applications do not require an overlay network to maintain connectivity.
  2. Applications that require security needs an overlay to provide the security.
  3. Applications that require Layer 2 adjacencies require an overlay network to maintain connectivity.
  4. IP fabrics can natively support both Layer 2 and Layer 3 applications.
Correct answer: CD
Question 7
Clos architectures are based on which network topology?
  1. ring
  2. VLANs
  3. hybrid
  4. spine and leaf
Correct answer: D
Question 8
What are two methods used to protect the data center perimeter? (Choose two.)
  1. session authentication
  2. DDoS protection
  3. asset classification
  4. network subnetting
Correct answer: AB
Question 9
What are two requirements for a VXLAN tunnel endpoint (VTEP)? (Choose two.)
  1. TCP session tracking
  2. MAC address learning
  3. IGMP filtering
  4. IP address learning of interested VTEPs
Correct answer: BD
Question 10
You are designing a Layer 2 fabric implementation for a small data center and have chosen to implement a Virtual Chassis Fabric. You must accommodate two racks of servers with 1 Gbps connectivity, 10 racks of servers with 10 Gbps connectivity, and maintain a single management interface.  
Which device would satisfy the requirements in this implementation?
  1. QFX5110
  2. QFX10002
  3. EX4600
  4. EX4300
Correct answer: A
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