WIXLIB

CCNA Certification GuideDNSNetwork Address Translation (NAT)Certifications PathThe Domain Name Service (DNS) is like a phonebook that translates IP addresses into humanreadable form. For example, www.facebook.comis 157.240.22.35 (IPv4), or 2001:558:feed::1.VocabularyInfrastructure, containers,and virtual machinesIPv4 is limited to approximately 4 billion uniqueaddresses. NAT is a scheme that allows a singleaddress for a network (such as a small business)to be shared by all the users and devices onyour network.CCNA OverviewTraining OptionsExam OverviewResourcesNext StepsInfrastructure is a generic term for the underlyingdevices, physical or virtual, that provide computingpower or storage capacity or networks, used todeliver software or applications. Virtual machinescan emulate a computer system and are typicallybuilt as images, providing the same functionalityas the physical computer. Containers package upsoftware and dependencies into one descriptivefile that contains everything to run an application,regardless of the underlying systems.IP address (IPv4 and IPv6, classes,Open Systems Interconnection [OSI]and TCP/IP networking stack)IP Addresses are like street addresses. Everyservice or server on the internet has a uniqueaddress where it can be accessed.Malware analysisThe process of determining the functionality,origin, and potential impact of a given malware. 2021 Cisco and/or its affiliates. All rights reserved.Network data models(YANG, RESTCONF, NETCONF)YANG is a data modeling language for configurationand state data for network devices. It stands forYet Another Next Generation. RESTCONF andNETCONF are protocols defined by a standardsbody, so that you can manage configuration ofnetwork devices modeled with YANG.PacketA unit of data that can be sent from one networkendpoint to another. A packet has headers, footers,and a data payload, or some other information thatit carries. The headers encode details about howto route the packet.PythonA general-purpose, interpreted programminglanguage. Python emphasizes code readability withwhitespace requirements, so it is approachable andpowerful. Many network automation applicationsand tutorials are centered around Python.8

CCNA Certification GuideCCNA OverviewRole-based access controlSoftware Development Kit (SDK)Access to data given to a person based on theirjob function or role.A platform for writing programs and applicationstargeting an API. It often includes documentation,configurations, and tools (such as compilers orlinkers) to write and execute the code to interfacewith the API.Certifications PathRouterVocabularyA router connects different networks together,providing a route between two computers(or servers) in different networks. Routers buildthe internet.Training OptionsExam OverviewRouting protocols such as BorderGateway Protocol (BGP), EnhancedInterior Gateway Routing Protocol (EIGRP),and Open Shortest Path First (OSPF)ResourcesRouting protocols provide the overall mapand directions for a packet to find the properdestination.Next StepsSecurity Incident and EventManagement (SIEM)An approach to security management thatgathers data from multiple sources (such assyslog, device events, and error logs), processesthe data (including correlation to identify potentialthreats), and raises an alert or ticket for furtherinvestigation if the threat is deemed to be real.Security Orchestration andAutomation Response (SOAR) 2021 Cisco and/or its affiliates. All rights reserved.An approach that enables SOC teams tomanage tickets raised through SIEM for threatresponse. SOAR enables automated workflowsfor responding to the threats.SubnetSubnetting is a scheme for efficiently apportioningor assigning your IP addresses to systems inyour organization.SwitchA switch is a component that is used to build anetwork and to connect hosts and servers withina network. A switch cannot route packets ordata between networks.Threat intelligenceEvidence-based knowledge, including context,mechanisms, indicators, implications, andaction-oriented advice about an existing oremerging hazard to assets.Threat huntingThe process of proactively and iterativelysearching through networks to detect and isolateadvanced threats.9

CCNA Certification GuideCCNA OverviewTime-based access controlTemporary access to data given to a person ona need basis for a period of time.Certifications PathVLANVocabularyA Virtual Local Area Network is a simple schemeto build in access control and restrictions withina network. It allows you to keep “Sales” separatefrom “Engineering,” for example, and to preventinappropriate access to data.Training OptionsExam OverviewResourcesNext Steps 2021 Cisco and/or its affiliates. All rights reserved.10

CCNA Certification GuideCCNA OverviewCertifications PathVocabularyTraining OptionsExam OverviewResourcesNext StepsTraining OptionsThis is where the real work happens. You’ll need two things: the exam blueprintas well as a strategy for learning, studying, and practicing. We highly recommendthat you use the CCNA exam blueprint to guide your approach to certification.Download the complete list of CCNA exam topics, track your progress and focuson the material you need to know for the exam.Keep this in mind: when the verb for a topic area is “describe,” you won’t needthe same depth of knowledge for that topic as when the verbs are “configure,”“troubleshoot,” and “design.”There are several training options to help you prepare: Cisco Guided Study Groups offer you a180-day journey of certification preparation.This approach offers a best-of-all-worldspath toward certification, with the flexibilityand convenience of e-learning plus themotivation and accountability of workingwith a live coach. Use the Cisco Learning Locator to findinstructor-led courses-both in-personand virtual. If books are your thing, check out the CiscoPress CCNA 200-301 Official Cert Guide, aperfect addition to your self-study plan. Browse available self-paced e-learning coursesfrom the Cisco Learning Network Store. The CCNA Preparation Bundle helps youprepare for the 200-301 Cisco CertifiedNetwork Associate (CCNA) exam. For a limitedtime, save 16% off the bundle price.Regardless of how you prepare for the exam, it’s crucial to get your hands on thegear to practice. This is called “labbing,” as in “practicing in a lab environment.” Yourability to execute critical tasks will be tested on the exam, so you need to practice.Lab early. Lab often. Then lab some more. 2021 Cisco and/or its affiliates. All rights reserved.11

CCNA Certification GuideCCNA OverviewCertifications PathVocabularyTraining OptionsExam OverviewCCNA certification exams are administered by our testing partner,Pearson VUE, as proctored exams. When you take the exam, you’ll bein a controlled environment to ensure fairness and to give you the best,most consistent experience.The CCNA exam blueprint is essential in preparing for the certification exam. If you can successfullycomplete the tasks defined for each topic, you’re ready for the exam.And now you can take certification exams online, so you can stay on track, even when you can’ttravel to a testing center.Exam OverviewVisit www.cisco.com/go/onlinetesting to perform a system check.ResourcesNext StepsDuring the exam, it will be just you, your knowledge, and experience against the test. Keep track of thetime, read each question carefully, answer each one (and if you don’t know the answer, try to eliminateone or more options and then guess), and keep moving to the end.To view a walk-through demonstration of the various exam question types and howthey function, check out the Cisco Certification Exam Tutorial Videos page. 2021 Cisco and/or its affiliates. All rights reserved.12

CCNA Certification GuideCCNA OverviewCertifications PathVocabularyResourcesCCNA EssentialsStill thinking about getting certified?Click CCNA Essentials for more detailsabout the program. It will help youmake the best decision.CCNA PrepAlready decided to get certified, andwant to start studying? Click CCNA Prepto find the ultimate resources to developyour self-study plan.Training OptionsExam OverviewResourcesNext StepsWe have many resources to help your progress. We encourage you to sign up for the CiscoLearning Network to be able to access learning resources, including videos, learning mapsand more. Just as an example the CCNA Training Video learning map has over 52 hours ofself-study preparation tools and content.Other CCNA resources include:Stay connected through:Associate CertificationsLinkedIn GroupCCNA CertificationFacebookCisco Learning Network CCNA communityTwitterCCNA Certification Training VideosCisco Learning NetworkCertification BlogsUse code CCNAGUIDE to save 35% on CCNA 200-301Official Cert Guide Library at www.ciscopress.com/ccnalibrary. 2021 Cisco and/or its affiliates. All rights reserved.13

CCNA Certification GuideCCNA OverviewCertifications PathVocabularyTraining OptionsNext StepsThese are exciting times to be working in technology. The IT landscapeevolves daily, but through it all, knowledge of routing and switching remainthe core foundation on which you can build your career.So many vibrant technological developments culminating all at once can seem overwhelming. You needto be able to catch the wave of change and ride it smoothly. This is precisely why we believe right nowis the best time to explore how training and certification can keep you focused and help make you atechnical superstar in your organization.Earning a CCNA is the gateway to a rewarding and lucrative IT career. With your CCNA, you’ll be moreknowledgeable and confident about all things IT.Exam OverviewUse this email template to let your manager know why training and certification is so beneficial foryou—and for them. Get the help you need to transform your career, your income, and your skill set.ResourcesBut beyond that, training and certificationcan transform your life. By learning the latestmethods and skills in IT, you’ll gain the selfconfidence that comes from setting goals, thenaccomplishing them. And that self-confidencewill continue to empower your career.Next StepsWhy get certified13 reasons for seeking training and certification 2021 Cisco and/or its affiliates. All rights reserved. Ciscoand the Cisco logo are trademarks or registered trademarks ofCisco and/or its affiliates in the U.S. and other countries. To viewa list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks. Third-party trademarks mentioned are the propertyof their respective owners. The use of the word partner does notimply a partnership relationship between Cisco and any othercompany. (1110R) DEC21CS5919 08/21With testimonials from IT networkerswho met the challengeGet certified eBook 2021 Cisco and/or its affiliates. All rights reserved.Ask your manager to sponsor yourtraining. Once they understand thebenefits to your organization, theywill be eager to learn more andsupport you with next steps.Download eBookGet started14

CCNA Certification Guide CCNA Overview If you’re looking to embark on a rewarding and lucrative information technology (IT) career, obtaining your Cisco Certified Networking Associate (CCNA) certification is a great place to start. Earning your CCNA gives you a solid foundati