Efficient Study Guide 350-401 Pdf | Excellent 350-401 Reliable Test Blueprint: Implementing Cisco Enterprise Network Core Technologies (350-401 ENCOR)

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Cisco 350-401 Exam Syllabus Topics:

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

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Cisco Implementing Cisco Enterprise Network Core Technologies (350-401 ENCOR) Sample Questions (Q42-Q47):

NEW QUESTION # 42
Refer to the exhibit.

An engineer must ensure that all traffic leaving AS 200 will choose Link 2 as an entry point. Assuming that all BGP neighbor relationships have been formed and that the attributes have not been changed on any of the routers, which configuration accomplish task?

Answer: D

Explanation:
Explanation
R3 advertises BGP updates to R1 with multiple AS 100 so R3 believes the path to reach AS 200 via R3 is farther than R2 so R3 will choose R2 to forward traffic to AS 200.


NEW QUESTION # 43
Refer to the exhibit.

An engineer deploys a script to retrieve the running configuration from a NETCONF-capable Cisco IOS XE device that is configured with default settings. The script fails. Which configuration must be applied to retrieve the configurauon using NETCONF?

Answer: A

Explanation:
The NETCONF protocol typically communicates over port 830. When a script fails to retrieve the running configuration from a NETCONF-capable Cisco IOS XE device, it's often because the script is not using the correct port for NETCONF communication. By setting the script to use port 830, you align with the default NETCONF port, which should resolve the issue and allow the script to successfully retrieve the configuration.


NEW QUESTION # 44
Which statement about Cisco Express Forwarding is true?

Answer: D

Explanation:
Cisco Express Forwarding (CEF) provides the ability to switch packets through a device in a very quick and efficient way while also keeping the load on the router's processor low. CEF is made up of two different main components: the Forwarding Information Base (FIB) and the Adjacency Table. These are automatically updated at the same time as the routing table.
The Forwarding Information Base (FIB) contains destination reachability information as well as next hop information. This information is then used by the router to make forwarding decisions.
The FIB allows for very efficient and easy lookups.
The adjacency table is tasked with maintaining the layer 2 next-hop information for the FIB.
Note: A fast cache is only used when fast switching is enabled while CEF is disabled.


NEW QUESTION # 45
An engineer is concerned with the deployment of new application that is sensitive to inter-packet delay variance. Which command configures the router to be the destination of jitter measurements?

Answer: B

Explanation:
Reference:UDP Jitter measures the delay, delay variation (jitter), corruption, misordering and packet loss by generating periodic UDP traffic. This operation always requires IP SLA responder. The command to enable UDP Jitter Operation is "ip sla responder udp-echo {destination-ip-address} [destination-port]


NEW QUESTION # 46
Which unit is used to express the signal-to-noise ratio?

Answer: C

Explanation:
Signal-to-noise ratio (SNR or S/N) is the ratio of signal power to the noise power, and its unit of expression is typically decibels (dB).


NEW QUESTION # 47
......

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