عراب ال IT 
امتحانات دوليه
(ENSLD - 300-420)
Enterprise Design
About the Certification
The 300-420 ENSLD (Designing Cisco Enterprise Networks) is a Cisco specialization certification focused on Enterprise Network Design. It centers on designing Enterprise infrastructures including network layers, addressing schemes, routing architecture, security, SD-WAN, wireless, and service integration. This certification is one of the concentration exam options required to earn the CCNP Enterprise certification after passing the ENCOR 350-401 core exam.
Main Curriculum
The curriculum is divided into seven main sections
- Routing Design
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- OSPF design
- EIGRP design
- BGP design
- Route summarization
- High-availability routing design
- Addressing Design
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- IPv4 and IPv6 addressing
- VLSM and route summarization
- VRFs
- VLAN and trunking design
- Infrastructure Services Design
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- QoS design
- Multicast design
- Network assurance
- Management and telemetry
- Wireless Network Design
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- Wireless LAN architecture
- RF design principles
- Mobility and roaming
- Wireless security design
- Security Design
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- Segmentation
- Trust-based security models
- Identity services (ISE integration)
- Secure WAN design
- SD-WAN Design
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- Controller placement
- TLOC design
- Policy design (Traffic engineering and security)
- Platform considerations
- Enterprise Network Architecture Design
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- Campus network design
- WAN design
- Layered models (Access, Distribution, Core)
- Software-Defined Access fundamentals
Exam Details
- Exam code: 300-420 (ENSLD)
- Exam duration: 90 minutes
- Number of questions: 55–65 questions
- Question types: Multiple choice + Drag & Drop + Scenario-based questions
- Language: English
- Passing score: 700 out of 1000
- Exam fee: USD 300 (taxes may apply depending on country)
- Certification validity: 3 years
Do I need certifications before it ?
No, not required.
However, it is strongly recommended to have a solid understanding of the 350-401 ENCOR content, along with 1–3 years of hands-on experience in network design or operations. CCNA is considered an excellent foundation before specializing in Enterprise network design.
Which certifications are recommended after this one ?
Not mandatory.
However, for professionals seeking a strong path in Enterprise network design especially in infrastructure architecture, network planning, and ensuring scalability and high availability Enterprise Design is one of the strongest specializations.
What are the main uses of the Enterprise Design (ENSLD) certification ?
- CCNP Enterprise
- Earned by combining: ✔ ENCOR 350-401 (Core) ✔ ENSLD 300-420 (Concentration).
- CCIE Enterprise Infrastructure ENSLD provides a strong architectural foundation before attempting the lab exam.
- ENSDWI 300-415 Expand into SD-WAN design.
- ENAUTO 300-435 Combine network design with automation.
Your First Step Toward Enterprise Network Architecture :
This certification is ideal for Network Engineers who want to master designing stable, secure, and scalable Enterprise infrastructures. It opens a strong path toward CCNP Enterprise and gradually toward CCIE.
Who is this certification suitable for ?
- Network Designers or Network Engineers responsible for planning and architecture.
- Professionals preparing for the CCNP Enterprise track with a focus on design rather than operations.
- Engineers working in large organizations or service providers who design integrated network infrastructures.
- Individuals seeking deeper understanding of scalability, redundancy, and high availability principles.
- Professionals involved in SD-WAN or Enterprise wireless design projects.