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Cisco 350-401 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Automation and Programmability15%- Automation Concepts
  • 1. JSON, XML data formats
  • 2. REST API basics
  • 3. Ansible, Puppet, Chef basics
  • 4. Python programming (scripts, modules)
- Configuration Management
  • 1. DHCP, DNS automation
  • 2. Configuration backup and restore
  • 3. Python EEM (Embedded Event Manager)
- Cisco DNA Center
  • 1. Intent-based networking concepts
  • 2. DNA Center APIs
  • 3. Device discovery and provisioning
Topic 2: Network Assurance15%- Network Monitoring
  • 1. SNMP v2c, v3
  • 2. Syslog
  • 3. IP SLA
  • 4. SPAN, RSPAN, ERSPAN
  • 5. NetFlow, Flexible NetFlow
- Diagnostic Methodology
  • 1. Root cause analysis
  • 2. 6-step troubleshooting methodology
- Debugging and Troubleshooting
  • 1. VLAN, STP, EtherChannel
  • 2. Debug commands
  • 3. Layer 2/3 troubleshooting
  • 4. Routing protocol verification
Topic 3: IP Connectivity20%- Path Control
  • 1. Fallback routing
  • 2. PBR (Policy-Based Routing)
  • 3. IP SLA tracking
- Switching
  • 1. VLAN, VTP, DTP
  • 2. Layer 2 switching fundamentals
  • 3. SPAN, RSPAN, ERSPAN
  • 4. EtherChannel (LACP, PAgP)
  • 5. STP (802.1D, RPVST+, MSTP)
- Layer 3 Routing
  • 1. BGP (iBGP, eBGP, route maps, prefix lists)
  • 2. EIGRP (feasible successors, variance)
  • 3. Route maps, prefix lists, ACLs
  • 4. Route redistribution
  • 5. OSPF (multi-area, stub, NSSA, virtual links)
Topic 4: Security Foundations20%- Device Security
  • 1. Switch security hardening
  • 2. Management plane security
  • 3. Layer 2 security (Port Security, DHCP Snooping, DAI)
  • 4. Control plane protection
- Advanced Security
  • 1. uRPF (Unicast Reverse Path Forwarding)
  • 2. CAPWAP, AP join process
  • 3. WPA2, WPA3 (Wireless Security)
  • 4. IPv6 First-Hop Security (RA Guard, DHCPv6 Guard)
- Network Security
  • 1. 802.1X (Port-Based NAC)
  • 2. AAA (Authentication, Authorization, Accounting)
  • 3. IPv6 ACLs
  • 4. Access Control Lists (ACLs)
  • 5. MACsec, IPsec
Topic 5: Architecture15%- Network Architecture
  • 1. Design principles (hierarchy, modularity, resilience)
  • 2. Data center architecture
  • 3. WAN architecture (VPN, DMVPN, SD-WAN)
  • 4. Campus LAN design (two-tier, three-tier)
  • 5. Wireless architecture (controller-based, fabric, SD-Access)
- Network Programmability
  • 1. SDN architectures (APIC-EM, DNA Center)
  • 2. REST APIs
  • 3. NETCONF, YANG
- Virtualization
  • 1. LISP, L2TP, PPPoE
  • 2. VXLAN (Virtual Extensible LAN)
  • 3. VRF-Lite
  • 4. VRF (Virtual Routing and Forwarding)
Topic 6: IP Services15%- Additional Services
  • 1. HTTP, HTTPS
  • 2. FTP, TFTP
  • 3. AAA (local, TACACS+, RADIUS)
  • 4. NTP (time synchronization)
  • 5. SNMP monitoring
- NAT and DHCP
  • 1. DHCP Snooping
  • 2. Static NAT, Dynamic NAT, PAT
  • 3. DHCP server and relay
- Quality of Service (QoS)
  • 1. Classification and marking
  • 2. WRED, DSCP
  • 3. QoS models (IntServ, DiffServ)
  • 4. Queuing (LLQ, CBWFQ)
  • 5. Shaping and policing

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Cisco Implementing Cisco Enterprise Network Core Technologies (350-401 ENCOR) Sample Questions (Q78-Q83):

NEW QUESTION # 78
Refer to the exhibit. A network engineer issues the debug command while troubleshooting a network issue. What does the output confirm?

Answer: D


NEW QUESTION # 79
Which standard access control entry permits from odd-numbered hosts in the 10.0.0.0/24 subnet?

Answer: C

Explanation:
Explanation
Remember, for the wildcard mask, 1s are I DON'T CARE, and 0s are I CARE. So now let's analyze a simple ACL:
access-list 1 permit 172.23.16.0 0.0.15.255
Two first octets are all 0's meaning that we care about the network 172.23.x.x. The third octet of the wildcard mask, 15 (0000 1111 in binary), means that we care about first 4 bits but don't care about last 4 bits so we allow the third octet in the form of 0001xxxx (minimum:00010000 = 16; maximum: 0001111 = 31).

The fourth octet is 255 (all 1 bits) that means I don't care.
Therefore network 172.23.16.0 0.0.15.255 172.23.31.255.
Now let's consider the wildcard mask of 0.0.0.254 (four octet: 254 = 1111 1110) which means we only care the last bit. Therefore if the last bit of the IP address is a "1" (0000 0001) then only odd numbers are allowed. If the last bit of the IP address is a "0" (0000 000 ) then only even numbers are allowed.
Note: In binary, odd numbers are always end with a "1" while even numbers are always end with a "0".
Therefore in this question, only the statement "permit 10.0.0.1 0.0.0.254" will allow all oddnumbered hosts in the 10.0.0.0/24 subnet.


NEW QUESTION # 80
A network engineer is configuring OSPF on a router. The engineer wants to prevent having a route to 177.16.0.0/16 learned via OSPF. In the routing table and configures a prefix list using the command ip prefix-list OFFICE seq S deny 172.16.0.0/16. Winch two identical configuration commands must be applied to accomplish the goal? (Choose two.)

Answer: C,D


NEW QUESTION # 81
Which statement about TLS is true when using RESTCONF to write configurations on network devices?

Answer: B

Explanation:
Explanation
When a device boots up with the startup configuration, the nginx process will be running. NGINX is an internal webserver that acts as a proxy webserver. It provides Transport Layer Security (TLS)-based HTTPS. RESTCONF request sent via HTTPS is first received by the NGINX proxy web server, and the request is transferred to the confd web server for further syntax/semantics check.


NEW QUESTION # 82
Refer to the exhibit.

A network administrator configured RSPAN to troubleshoot an issue between switchl and switch2. The switches are connected using interface GigabitEthernet 1/1 An external packet capture device is connected to swich2 interface GigabitEthernet1/2 Which two commands must be added to complete this configuration?
(Choose two)

Answer: A,B


NEW QUESTION # 83
......

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