Cisco 400-251 Exam Topics:
| Section | Weight Written | Weight Lab | Objectives |
|---|---|---|---|
| Identity Management, Information Exchange, and Access Control | 22% | 24% | 1 Describe, implement, and troubleshoot various personas of ISE in a multinode deployment 2 Describe, implement, and troubleshoot network access device (NAD), ISE, and ACS configuration for AAA 3 Describe, implement, and troubleshoot AAA for administrative access to Cisco network devices using ISE and ACS 4 Describe, implement, verify, and troubleshoot AAA for network access with 802.1X and MAB using ISE. 5 Describe, implement, verify, and troubleshoot cut-through proxy/auth-proxy using ISE as the AAA server 6 Describe, implement, verify, and troubleshoot guest life cycle management using ISE and Cisco network infrastructure 7 Describe, implement, verify, and troubleshoot BYOD on-boarding and network access flows with an internal or external CA 8 Describe, implement, verify, and troubleshoot ISE and ACS integration with external identity sources such as LDAP, AD, and external RADIUS 9 Describe ISE and ACS integration with external identity sources such as RADIUS Token, RSA SecurID, and SAML 10 Describe, implement, verify, and troubleshoot provisioning of AnyConnect with ISE and ASA 11 Describe, implement, verify, and troubleshoot posture assessment with ISE 12 Describe, implement, verify, and troubleshoot endpoint profiling using ISE and Cisco network infrastructure including device sensor 13 Describe, implement, verify, and troubleshoot integration of MDM with ISE 14 Describe, implement, verify, and troubleshoot certificate based authentication using ISE 15 Describe, implement, verify, and troubleshoot authentication methods such as EAPChaining and Machine Access Restriction (MAR) 16 Describe the functions and security implications of AAA protocols such as RADIUS, TACACS+, LDAP/LDAPS, EAP (EAP-PEAP, EAP-TLS, EAP-TTLS, EAP-FAST, EAP-TEAP, EAP- MD5, EAP-GTC), PAP, CHAP, and MS-CHAPv2 17 Describe, implement, and troubleshoot identity mapping on ASA, ISE, WSA and FirePOWER 18 Describe, implement, and troubleshoot pxGrid between security devices such as WSA, ISE, and Cisco FMC |
| Secure Connectivity and Segmentation | 17% | 19% | 1 Compare and contrast cryptographic and hash algorithms such as AES, DES, 3DES, ECC, SHA, and MD5 2 Compare and contrast security protocols such as ISAKMP/IKEv1, IKEv2, SSL, TLS/DTLS, ESP, AH, SAP, and MKA 3 Describe, implementc and troubleshoot remote access VPN using technologies such as FLEXVPN, SSL-VPN between Cisco firewalls, routers, and end hosts 4 Describe, implement, and troubleshoot the Cisco IOS CA for VPN authentication 5 Describe, implement, and troubleshoot clientless SSL VPN technologies with DAP and smart tunnels on Cisco ASA and Cisco FTD 6 Describe, implement, and troubleshoot site-to-site VPNs such as GETVPN, DMVPN and IPsec 7 Describe, implement, and troubleshoot uplink and downlink MACsec (802.1AE) 8 Describe, implement, and troubleshoot VPN high availability using Cisco ASA VPN clustering and dual-hub DMVPN deployments 9 Describe the functions and security implications of cryptographic protocols such as AES, DES, 3DES, ECC, SHA, MD5, ISAKMP/IKEv1, IKEv2, SSL, TLS/DTLS, ESP, AH, SAP, MKA, RSA, SCEP/EST, GDOI, X.509, WPA, WPA2, WEP, and TKIP 10 Describe the security benefits of network segmentation and isolation 11 Describe, implement, and troubleshoot VRF-Lite and VRF-Aware VPN 12 Describe, implement, and troubleshoot microsegmentation with TrustSec using SGT and SXP 13 Describe, implement, and troubleshoot infrastructure segmentation methods such as VLAN, PVLAN, and GRE 14 Describe the functionality of Cisco VSG used to secure virtual environments 15 Describe the security benefits of data center segmentation using ACI, EVPN, VXLAN, and NVGRE |
| Infrastructure Security, Virtualization, and Automation | 13% | 15% | 1 Identify common attacks such as Smurf, VLAN hopping, and SYNful knock, and their mitigation techniques 2 Describe, implement, and troubleshoot device hardening techniques and control plane protection methods, such as CoPP and IP Source routing. 3 Describe, implement, and troubleshoot management plane protection techniques such as CPU and memory thresholding and securing device access 4 Describe, implement, and troubleshoot data plane protection techniques such as iACLs, uRPF, QoS, and RTBH 5 Describe, implement, and troubleshoot IPv4/v6 routing protocols security 6 Describe, implement, and troubleshoot Layer 2 security techniques such as DAI, IPDT, STP security, port security, DHCP snooping, and VACL 7 Describe, implement, and troubleshoot wireless security technologies such as WPA, WPA2, TKIP, and AES 8 Describe wireless security concepts such as FLEX Connect, wIPS, ANCHOR, Rogue AP, and Management Frame Protection (MFP) 9 Describe, implement, and troubleshoot monitoring protocols such as NETFLOW/IPFIX, SNMP, SYSLOG, RMON, NSEL, and eSTREAMER 10 Describe the functions and security implications of application protocols such as SSH, TELNET, TFTP, HTTP/HTTPS, SCP, SFTP/FTP, PGP, DNS/DNSSEC, NTP, and DHCP 11 Describe the functions and security implications of network protocols such as VTP, 802.1Q, TCP/UDP, CDP, LACP/PAgP, BGP, EIGRP, OSPF/OSPFv3, RIP/RIPng, IGMP/CGMP, PIM, IPv6, and WCCP 12 Describe the benefits of virtualizing security functions in the data center using ASAv, WSAv, ESAv, and NGIPSv 13 Describe the security principles of ACI such as object models, endpoint groups, policy enforcement, application network profiles, and contracts 14 Describe the northbound and southbound APIs of SDN controllers such as APIC-EM 15 Identify and implement security features to comply with organizational security policies, procedures, and standards such as BCP 38, ISO 27001, RFC 827, and PCI-DSS 16 Describe and identify key threats to different places in the network (campus, data center, core, edge) as described in Cisco SAFE 17 Validate network security design for adherence to Cisco SAFE recommended practices 18 Interpret basic scripts that can retrieve and send data using RESTful API calls in scripting languages such as Python 19 Describe Cisco Digital Network Architecture (DNA) principles and components. |
| Evolving Technologies v1.1 | 10% | N/A | 1 Cloud a) Compare and contrast Cloud deployment models a) [i] Infrastructure, platform, and software services (XaaS) a) [ii] Performance and reliability a) [iii] Security and privacy a) [iv] Scalability and interoperability b) Describe Cloud implementations and operations b) [i] Automation and orchestration b) [ii] Workload mobility b) [iii] Troubleshooting and management b) [iv] OpenStack components 2 Network Programmability (SDN) a) Describe functional elements of network programmability (SDN) and how they interact a) [i] Controllers a) [ii] APIs a) [iii] Scripting a) [iv] Agents a) [v] Northbound vs. Southbound protocols b) Describe aspects of virtualization and automation in network environments b) [i] DevOps methodologies, tools and workflows b) [ii] Network/application function virtualization (NFV, AFV) b) [iii] Service function chaining b) [iv] Performance, availability, and scaling considerations 3 Internet of Things (IoT) a) Describe architectural framework and deployment considerations for Internet of Things a) [i] Performance, reliability and scalability a) [ii] Mobility a) [iii] Security and privacy a) [iv] Standards and compliance a) [v] Migration a) [vi] Environmental impacts on the network |
| Perimeter Security and Intrusion Prevention | 21% | 23% | 1 Describe, implement, and troubleshoot HA features on Cisco ASA and Cisco FirePOWER Threat Defense (FTD) 2 Describe, implement, and troubleshoot clustering on Cisco ASA and Cisco FTD 3 Describe, implement, troubleshoot, and secure routing protocols on Cisco ASA and Cisco FTD 4 Describe, implement, and troubleshoot different deployment modes such as routed, transparent, single, and multicontext on Cisco ASA and Cisco FTD 5 Describe, implement, and troubleshoot firewall features such as NAT (v4,v6), PAT, application inspection, traffic zones, policy-based routing, traffic redirection to service modules, and identity firewall on Cisco ASA and Cisco FTD 6 Describe, implement, and troubleshoot IOS security features such as Zone-Based Firewall (ZBF), application layer inspection, NAT (v4,v6), PAT and TCP intercept on Cisco IOS/IOS-XE 7 Describe, implement, optimize, and troubleshoot policies and rules for traffic control on Cisco ASA, Cisco FirePOWER and Cisco FTD 8 Describe, implement, and troubleshoot Cisco Firepower Management Center (FMC) features such as alerting, logging, and reporting 9 Describe, implement, and troubleshoot correlation and remediation rules on Cisco FMC 10 Describe, implement, and troubleshoot Cisco FirePOWER and Cisco FTD deployment such as in-line, passive, and TAP modes 11 Describe, implement, and troubleshoot Next Generation Firewall (NGFW) features such as SSL inspection, user identity, geolocation, and AVC (Firepower appliance) 12 Describe, detect, and mitigate common types of attacks such as DoS/DDoS, evasion techniques, spoofing, man-in-the-middle, and botnet |
| Advanced Threat Protection and Content Security | 17% | 19% | 1 Compare and contrast different AMP solutions including public and private cloud deployment models 2 Describe, implement, and troubleshoot AMP for networks, AMP for endpoints, and AMP for content security (CWS, ESA, and WSA) 3 Detect, analyze, and mitigate malware incidents 4 Describe the benefit of threat intelligence provided by AMP Threat GRID 5 Perform packet capture and analysis using Wireshark, tcpdump, SPAN, and RSPAN 6 Describe, implement, and troubleshoot web filtering, user identification, and Application Visibility and Control (AVC) 7 Describe, implement, and troubleshoot mail policies, DLP, email quarantines, and SenderBase on ESA 8 Describe, implement, and troubleshoot SMTP authentication such as SPF and DKIM on ESA 9 Describe, implement, and troubleshoot SMTP encryption on ESA 10 Compare and contrast different LDAP query types on ESA 11 Describe, implement, and troubleshoot WCCP redirection 12 Compare and contrast different proxy methods such as SOCKS, Auto proxy/WPAD, and transparent 13 Describe, implement, and troubleshoot HTTPS decryption and DLP 14 Describe, implement, and troubleshoot CWS connectors on Cisco IOS routers, Cisco ASA, Cisco AnyConnect, and WSA 15 Describe the security benefits of leveraging the OpenDNS solution. 16 Describe, implement, and troubleshoot SMA for centralized content security management 17 Describe the security benefits of leveraging Lancope |
As a layman, people just envy and adore the high salary and profitable return of the IT practitioner, but do not see the endeavor and suffering. But as the IT candidates, when talking about the 400-251 certification, you may feel anxiety and nervous. You may be working hard day and night because the test is so near and you want to get a good result. Someone maybe feel sad and depressed for the twice failure. Not getting passed maybe the worst nightmare for all the IT candidates. Now, I think it is time to drag you out of the confusion and misery. Here, I will recommend the CCIE Security 400-251 actual exam dumps for every IT candidates. With the help of the 400-251 exam study guide, you may clear about the knowledge and get succeeded in the finally exam test.
Actual questions ensure 100% passing
Before purchase our CCIE Security 400-251 exam dumps, many customers often consult us through the online chat, then we usually hear that they complain the dumps bought from other vendors about invalid exam questions and even wrong answers. We feel sympathy for that. Actually, the validity and reliability are very important for the exam dumps. After all, the examination fees are very expensive, and all the IT candidates want to pass the exam at the fist attempt. So, whether the questions is valid or not becomes the main factor for IT candidates to choose the exam dumps. Cisco 400-251 practice exam torrent is the most useful study material for your preparation. The validity and reliability are without any doubt. Each questions & answers of 400-251 CCIE Security Written Exam (v5.0) latest exam dumps are compiled with strict standards. Besides, the answers are made and edited by several data analysis & checking, which can ensure the accuracy. Some questions are selected from the previous actual test, and some are compiled according to the latest IT technology, which is authoritative for the real exam test. What's more, we check the update every day to keep the dumps shown front of you the latest and newest.
I want to say that the 400-251 actual questions & answers can ensure you 100% pass.
400-251 exam free demo is available for every one
Free demo has become the most important reference for the IT candidates to choose the complete exam dumps. Usually, they download the free demo and try, then they can estimate the real value of the exam dumps after trying, which will determine to buy or not. Actually, I think it is a good way, because the most basic trust may come from your subjective assessment. Here, Cisco 400-251 exam free demo may give you some help. When you scan the 400-251 exam dumps, you will find there are free demo for you to download. Our site offer you the 400-251 exam pdf demo, you can scan the questions & answers together with the detail explanation. Besides, the demo for the vce test engine is the screenshot format which allows you to scan. If you want to experience the simulate test, you should buy the complete dumps. I think it is very worthy of choosing our 400-251 actual exam dumps.
Cisco 400-251 braindumps Instant Download: Our system will send you the 400-251 braindumps file you purchase in mailbox in a minute after payment. (If not received within 12 hours, please contact us. Note: don't forget to check your spam.)
No help, Full refund!
Actual4Exams confidently stands behind all its offerings by giving Unconditional "No help, Full refund" Guarantee. Since the time our operations started we have never seen people report failure in the Cisco 400-251 exam after using our products. With this feedback we can assure you of the benefits that you will get from our products and the high probability of clearing the 400-251 exam.
We still understand the effort, time, and money you will invest in preparing for your certification exam, which makes failure in the Cisco 400-251 exam really painful and disappointing. Although we cannot reduce your pain and disappointment but we can certainly share with you the financial loss.
This means that if due to any reason you are not able to pass the 400-251 actual exam even after using our product, we will reimburse the full amount you spent on our products. you just need to mail us your score report along with your account information to address listed below within 7 days after your unqualified certificate came out.
