Try Juniper : JN0-348 valid & accurate questions and answers

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Juniper JN0-348 Exam Syllabus Topics:

SectionWeightObjectives
Layer 2 Security and Loop Prevention10% - 15%- Spanning Tree Technologies
  • 1. BPDU protection
  • 2. Loop and root protection
  • 3. STP and RSTP operation
- Security Features
  • 1. Layer 2 access control mechanisms
  • 2. Port security concepts
IS-IS10% - 15%- IS-IS Fundamentals
  • 1. Adjacency formation
  • 2. Route propagation
  • 3. Level 1 and Level 2 routing
BGP15% - 20%- BGP Routing
  • 1. BGP peering
  • 2. Routing policies
  • 3. Path selection process
  • 4. BGP attributes
High Availability5% - 10%- Redundancy Technologies
  • 1. VRRP
  • 2. Virtual Chassis
  • 3. Link aggregation groups
OSPF15% - 20%- OSPF Operation
  • 1. LSA types
  • 2. Route summarization
  • 3. Area concepts
  • 4. Neighbor establishment
Routing Fundamentals15% - 20%- IP Routing Concepts
  • 1. Load balancing
  • 2. Static routing
  • 3. Routing tables and route preference
Layer 2 Switching and VLANs15% - 20%- Ethernet Switching Fundamentals
  • 1. MAC learning and forwarding
  • 2. Frame processing
  • 3. Switching and bridging concepts
- VLAN Technologies
  • 1. VLAN configuration and verification
  • 2. Trunk and access ports
  • 3. 802.1Q tagging
Tunneling and Network Services5% - 10%- Tunneling Technologies
  • 1. Traffic forwarding concepts
  • 2. GRE tunnels

Everything Candidates Ask About the Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT)

To pass the JN0-348 exam you need 60%, and the official registration fee is USD 300. Since a failed attempt is not discounted — retaking means paying USD 300 in full again — treat the booking as the last step, not the first. Work through the Exams-boost practice questions until your timed scores sit comfortably above 60%, and only then lock in your exam date.

The JN0-348 (Enterprise Routing and Switching, Specialist (JNCIS-ENT)) is the official Juniper examination that awards the JNCIS-ENT certification to candidates who pass it. Within the Juniper program it is classed as a Specialist credential. It sits alongside related certifications such as Juniper Networks Certified Internet Specialist - Enterprise Routing and Switching (JNCIS-ENT), Juniper Networks Certified Associate - Junos (JNCIA-Junos). Because the credential comes straight from the vendor, employers treat it as verified proof of skill — and the 95 practice questions at Exams-boost follow the same published blueprint.

Our money-back guarantee applies if you sit the corresponding JN0-348 exam within 60 days of purchase and do not pass: submit a scan of your enrollment slip plus the official Score Report PDF within 2 days of the exam, and the claim is settled within 7 days. The registration name must match the buyer's name; attempts within 3 days of purchase, downloads never used in a real sitting, free materials, and expired orders fall outside the policy. If you prefer, you can forgo the refund and instead receive two free exam products of equal value while keeping updates on your original purchase. As for delivery, your files arrive by email within one minute of payment — if 2 hours pass without a message, check spam and contact support — and you can install the product on unlimited computers.

The official Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) blueprint breaks the content into 8 domains, starting with these three:

  • Layer 2 Security and Loop Prevention (10% - 15%)
  • IS-IS (10% - 15%)
  • Routing Fundamentals (15% - 20%)

The full domain-by-domain outline is listed above on this page — use it as your checklist while you work through the Exams-boost practice questions.

On exam day you will have 90 minutes to complete 65 questions in the JN0-348 exam. Divide your attention deliberately: answer what you know first, mark anything doubtful, and sweep back through flagged items near the end rather than burning minutes on a single question. The best way to defuse time pressure is exposure — schedule at least one full-length timed session in the Exams-boost test engine so the pacing feels automatic when it counts.

Before you register, review the stated prerequisites: JNCIA-Junos certification is recommended before attempting the JNCIS-ENT exam.

For the latest wording, always double-check the official exam page: https://www.juniper.net/us/en/training/certification/tracks/enterprise-routing-switching.html.

Yes — every Exams-boost product, including the JN0-348 Q&A, has a free PDF demo you can download before spending anything. Your purchase then stays current with 365 days of free updates, and if the update period lapses you can renew it at 50% off from your member zone.

Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:

Question #1

You must implement filter-based forwarding. You need to direct traffic from 192.168.1.0/24 through vr1 and traffic from 10.210.0.128/26 through vr2.
Which configuration is correct in this scenario?

  • A. firewall {
    family inet {
    filter fbf-filter1 {
    term match-192-subnet {
    from {
    source-address {
    192.168.1.0/26;
    }
    }
    then {
    routing-instance vr2;
    }
    }
    term match-10-subnet {
    from {
    source-address {
    10.210.0.128/26;
    }
    }
    then {
    routing-instance vr1;
    }
    }
    }
    }
    }
  • B. firewall {
    family inet {
    filter fbf-filter1 {
    term match-192-subnet {
    from {
    source-address {
    192.168.0.0/24;
    }
    }
    then {
    routing-instance vr1;
    }
    }
    term match-10-subnet {
    from {
    source-address {
    10.210.0.128/27;
    }
    }
    then {
    routing-instance vr2;
    }
    }
    }
    }
    }
  • C. firewall {
    family inet {
    filter fbf-filter1 {
    term match-192-subnet {
    from {
    source-address {
    192.168.2.0/26;
    }
    }
    then {
    routing-instance vr2;
    }
    }
    term match-10-subnet {
    from {
    source-address {
    10.210.1.128/26;
    }
    }
    then {
    routing-instance vr1;
    }
    }
    }
    }
    }
  • D. firewall {
    family inet {
    filter fbf-filter1 {
    term match-192-subnet {
    from {
    source-address {
    192.168.1.0/24;
    }
    }
    then {
    routing-instance vr1;
    }
    }
    term match-10-subnet {
    from {
    source-address {
    10.210.0.128/26;
    }
    }
    then {
    routing-instance vr2;
    }
    }
    }
    }
    }
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #2

You want to configure your Junos device so that routing information from certain prefixes on a Neighboring router are ignored.
What should you configure on your device?

  • A. Martian address
  • B. It interface
  • C. vt interface
  • D. Firewall rule
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #3

How many bytes of overhead are added to packet traversing a GRE tunnel?

  • A. 24
  • B. 12
  • C. 16
  • D. 20
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #4

Which statement is correct about trunk ports?

  • A. Trunk ports must have an IRB assigned to accept untagged traffic.
  • B. By default, trunk ports accept only VLAN tagged traffic
  • C. By default, a trunk port can have only a single VLAN assigned
  • D. Trunk ports mast have an IRB assigned to accept VLAN tagged traffic
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

Which statement is correct about 13 IS link state PDUs?

  • A. They are used to maintain link slid.: database synchronization
  • B. They are used to establish adjacencies
  • C. They are used to build the link state database.
  • D. They are used to determine whether the neighbors are Level 1 or Level 2
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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