Juniper JN0-1103 Exam Questions

Questions for the JN0-1103 were updated on : Dec 01 ,2025

Page 1 out of 5. Viewing questions 1-15 out of 65

Question 1

Click the Exhibit button.

Which type of IP fabric is shown in the exhibit?

  • A. collapsed fabric
  • B. 5-stage IP fabric
  • C. 7-stage IP fabric
  • D. 3-stage IP fabric
Answer:

C

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Question 2

You are considering changing an IBGP-based IP fabric design to one that is EBGP-based.
In this scenario, which two statements are correct about an EBGP-based design? (Choose two.)

  • A. Route reflection is not required.
  • B. An IGP is not required.
  • C. AS numbers are not required.
  • D. Confederations may be used.
Answer:

A,B

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Question 3

Which two statements correctly describe an ESI-LAG? (Choose two.)

  • A. Both VTEPs advertise connectivity to the same Ethernet segment.
  • B. Both VTEPs advertise connectivity to different Ethernet segments.
  • C. The LACP system ID on the two connected leafs is configured with the same value.
  • D. The LACP system ID on the two connected leafs is configured with different values.
Answer:

A,C

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Question 4

When determining the oversubscription ratio for an IP fabric, which two statements are true?
(Choose two.)

  • A. Removing spine nodes from the IP fabric increases the oversubscription ratio.
  • B. Removing leaf nodes from the IP fabric increases the oversubscription ratio.
  • C. Adding spine nodes to the IP fabric decreases the oversubscription ratio.
  • D. Adding leaf nodes to the IP fabric decreases the oversubscription ratio.
Answer:

A,C

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Question 5

Which statement is true about 3-stage IP fabrics?

  • A. There must be physical connections between all of the spine nodes.
  • B. Each leaf node must have at least one physical connection to each spine node.
  • C. There must be physical connections between all of the leaf nodes.
  • D. Each leaf node must have at least two physical connections to each spine node.
Answer:

B

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Question 6

Which two statements are correct about using BGP as the underlay routing protocol in an IP fabric?
(Choose two.)

  • A. Static routes are required for EBGP neighbors to establish.
  • B. EBGP underlay requires the multipath multiple-as parameter with the corresponding load- balancing policy.
  • C. Route Reflection can be used in an IBGP underlay to increase control plane scalability.
  • D. Using an IGP is required for an EBGP underlay.
Answer:

B,C

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Question 7

Which two technologies would be used to encapsulate frames to provide Layer 2 reachability across
an IP fabric data center? (Choose two.)

  • A. MACsec
  • B. IPsec
  • C. MPLS
  • D. VXLAN
Answer:

C,D

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Question 8

As a network architect, where would you add PTX Series routers?

  • A. core network
  • B. access network
  • C. cellular edge
  • D. branch location
Answer:

A

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Question 9

Which two switches should you recommend as leaf nodes for a small data center where cost is a
factor? (Choose two.)

  • A. EX4300
  • B. QFX5700
  • C. EX4400
  • D. QFX5130
Answer:

A,C

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Question 10

In an EVPN-VXLAN data center, what would be a reason to consider using discrete border leafs rather
than placing border roles onto the spines?

  • A. to provide for differentiated oversubscription ratios for traffic into and out of the data center
  • B. to eliminate multicast traffic in and out of the fabric
  • C. to allow for provisioningACLs between the data center and the WAN
  • D. to provide specific devices designed for handlingtraffic burstiness on the WAN
Answer:

A

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Question 11

What does the Virtual Extensible LAN (VXLAN) overlay solution provide?

  • A. BGP overlay
  • B. Layer 2 overlay
  • C. Layer 3 underlay
  • D. IGP overlay
Answer:

B

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Question 12

You are designing the security domain of a large data center requiring 10 GbE interfaces.
Which two Juniper products would you recommend in this situation? (Choose two.)

  • A. SRX5800
  • B. SRX345
  • C. vSRX
  • D. SRX300
Answer:

A,C

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Question 13

What is a design consideration for using IBGP for the underlay in a Clos data center fabric?

  • A. A full mesh of IBGP neighbors will be required.
  • B. BGP ADD-PATH must be enabled for multipath to work on leafs.
  • C. An IGP will always be required for learning loopback addresses.
  • D. A 5-stage Clos topology will not work with IBGP underlay.
Answer:

B

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Question 14

You are asked to review a migration plan from standalone SRX to SRX chassis clusters that connect to
the core network.
Which two types of interfaces will be required to support this design on the SRX Series devices?
(Choose two.)

  • A. management
  • B. fab
  • C. loopback
  • D. control
Answer:

B,D

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Question 15

As a network architect, in which three areas would you add MX Series routers? (Choose three.)

  • A. mobile device
  • B. data center network
  • C. C. service provider
  • D. edge networkE WiMAX
Answer:

B,C,D

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