Topics of Cisco 300-420 Exam

The Cisco 300-420 certification exam validates the students’ knowledge of enterprise design. It covers a wide range of subject areas, such as advanced addressing & routing solutions, security services, WAN, advanced enterprise campus networks, SDA, and network services. The breakdown of these topics into the components of skills to be measured in the test is as follows:

Advanced Routing and Addressing Solutions

About 25% of the exam content is covered in this domain, and the candidates have to perform their skills in the following tasks:

• Developing the scalable, stable, and secure routing design for EIGRP, IS-IS, BGP, OSPF.
• Creating the structured addressing strategies for both IPv6 & IPv4;

Reference: https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/ensld-300-420.html

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Objectives of 300-420 Test

There are various topics that are included in the exam and they are:

• Advanced Address and Routing Solutions (25%).
This domain mainly focuses on creating structured addressing plans for IPv4 and IPv6; creating scalable, stable, and secure routing designs for IS-IS, EIGRP, OSPF, and BGP, including route filtering, load sharing, address families, path preference attributes, and route reflectors; determining IPv6 migration strategies, involving native, boundaries, and overlay.
• Advanced Enterprise Campus Networks (25%).
This part of the exam content measures one's skills in designing campus networks for high availability and knowledge of techniques for platform abstraction, graceful restart, etc.; designing campus Layer 2 infrastructures and multicampus Layer 3 ones, including route summarization, VRFs, convergence, etc.; describing SD-Access Architecture as well as SD-Access fabric design for wireless and wired access.
• Automation (10%).
The Automation domain includes things like choosing the correct YANG data model taking current requirements into account; differentiating between IETF, Cisco native YANG models, and Openconfig as well as between RESTCONF and NETCONF; understanding the impact of model-drive telemetry, covering on-change and periodic publications; comparing dial-in and dial-out approaches to model-drive telemetry.
• Network Services (20%).
The last domain focuses on the ability to choose proper QoS strategies, designing network management techniques; designing end-to-end QoS policies covering shaping, queuing, marking, and more; describing multicast routing concepts, and creating multicast services, including MSDP, SSM, and PIM bidirectional.
• Enterprise Networks and WAN (20%).
This section addresses the following areas: comparison of WAN connectivity options (DWDM, Layer 2 VPN, 4G/5G, Metro Ethernet, etc.); designing site-to-site VPN, including dynamic multipoint VPN, Ipsec, GRE, and others; designing high availability for enterprise WAN (failover, backip connectivity, etc.); Cisco SD-WAN architecture (on-boarding, security, control plane, and more); Cisco SD-WAN design considerations (redundancy, security design, overlay design, and others).

Career Opportunities for People Who Pass 300-420 Exam and Get Certified

If you are starting the IT career, earning an intermediate-level Cisco certification can provide a plethora of employment opportunities. There are various positions that you can apply for after passing the Cisco 300-420 exam and obtaining the CCNP Enterprise certificate and they are as follows:

• Wireless Design Engineer
• Network Architect
• System Engineer
• Network Engineer
• Network Administrator
• Network Design Engineer
• Network Manager
• Network Security Engineer

Having this certification under your belt can help you get a much higher salary as well. Depending on what position you land, extra skills, and experience, your compensation can vary. According to PayScale.com, as a network engineer, you can earn around $74k, while the salary for a network architect is around $122k annually. If you start working as a network security engineer you can easily get over $82k per year.