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CCNA Certification Guide
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© 2021 Cisco and/or its affiliates. All rights reserved.
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CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps

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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 foundation for any field/role/specialty
you want to pursue in IT. It covers the basics, from IP addressing to
security and automation. A CCNA certification is the perfect start if you
know you want to build or support IT infrastructure. You can specialize later.
A CCNA can help you prepare for a wide variety of IT jobs, including:
• Infrastructure Engineer
• Network Engineer
• IT Specialist
• Network Technician
• Network/Systems Administrator
• Business roles in IT organizations, from sales
and marketing to the management track
CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps

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CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps
And while you build your skills, you’re also building your income.
Here’s proof. The Global Knowledge 2020 IT Skills and Salary Report
examined data from over 9,500 technology professionals. Those
who obtained a new certification saw their salary increase by nearly
$13,000—a strong indication that training and certifications pay off.
According to the same report, 87 percent of IT professionals hold at least one certification, up
from 85 percent in 2019 and just behind the all-time high of 89 percent in 2018. And 99 percent
of organizations surveyed use technical certifications to make hiring decisions.
The network needs you. The field of IT is full of rewarding, meaningful, challenging work. Earning
your CCNA certification can make your resume stand out and gets your foot in the door.
The CCNA arms you with a broad range of career skills. Get started today.
Automation and programmability
Security fundamentals
IP services
IP connectivity
Network access
Network fundamentals
What You’ll Learn
CCNA Exam

5
CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps
Look ahead - Certification Tracks
As you can see, CCNA is one of many steps you can take on
your learning journey. With each step, you build your knowledge
base—and your reputation—and become increasingly valuable to
any IT organization.
Cisco Certifications Power the Teams of the Future
Be job ready today, tomorrow and beyond with Cisco Certifications. Fuel your career
with the new learning portfolio that unlocks possibilities for both network engineers
and software developers. You control where to start and how you learn.
Cisco Certification Technician (CCT)
Cisco Certification Technician (CCT)
CCT Collaboration
Required Exam: 100-890 CLTECH
CCT Data Center
Required Exam: 010-151 DCTECH
CCT Routing and Switching
Required Exam: 100-490 RSTECH
Starting point for individuals interested in starting a career as
a networking professional.
CCNA
Required Exam: 200-301 CCNA
Cisco Certified DevNet Associate
Required Exam: 200-901 DEVASC
Cisco Certified CyberOps Associate
Required Exam: 200-201 CBROPS
Master the essentials needed to launch a rewarding career and
expand your job possibilities with the latest technologies.
This certification is accepted worldwide as the most prestigious
certification in the technology industry.
CCDE
Required Exams:
352-001 CCDE Written Exam, CCDE Practical Exam
CCIE Enterprise Infrastructure
Required Exams: ENCOR 350-401, CCIE Routing and Switching lab,
CCIE Enterprise Infrastructure v1.0 lab
CCIE Enterprise Wireless
Required Exams: ENCOR 350-401, CCIE Wireless v3.1 lab,
CCIE Enterprise Wireless v1.0 lab
CCIE Collaboration
Required Exams: CLCOR 350-801, CCIE Collaboration v2.0 lab,
CCIE Collaboration v3.0 lab
CCIE Data Center
Required Exams: DCCOR 350-601, CCIE Data Center v2.0 lab,
CCIE Data Center v3.0 lab
CCIE Security
Required Exams: SCOR 350-701, CCIE Security v5.0 lab,
CCIE Security v6.0 lab
CCIE Service Provider
Required Exams: SPCOR 350-501, CCIE Service Provider v4.0 lab,
CCIE Service Provider v5.0 lab
Select a core technology track and a focused concentration
exam to customize your professional-level certification.
Cisco Certified DevNet Professional
Required Exams:
Core exam: 350-901 DEVCOR
Concentration exam (choose one):
300-435 ENAUTO, 300-835 CLAUTO, 300-635 DCAUTO,
300-535 SPAUTO, 300-735 SAUTO, 300-910 DEVOPS,
300-915 DEVIOT, 300-920 DEVWBX
CCNP Enterprise
Required Exams:
Core exam: 350-401 ENCOR
Concentration exam (choose one): 300-410 ENARSI,
300-415 ENSDWI, 300-420 ENSLD, 300-425 ENWLSD,
300-430 ENWLSI, 300-435 ENAUTO
CCNP Collaboration
Required Exams:
Core exam: 350-801 CLCOR
Concentration exam (choose one):
300-810 CLICA, 300-815 CLACCM, 300-820 CLCEI,
300-820 CLCNF, 300-835 CLAUTO
CCNP Data Center
Required Exams:
Core exam: 350-601 DCCOR
Concentration exam (choose one): 300-610 DCID, 300-615 DCIT,
300-620 DCACI, 300-625 DCSAN, 300-630 DCACIA, 300-635 DCAUTO
CCNP Security
Required Exams:
Core exam: 350-701 SCOR
Concentration exam (choose one): 300-710 SNCF, 300-715 SISE,
300-720 SESA, 300-725 SWSA, 300-730 SVPN, 300-735 SAUTO
CCNP Service Provider
Required Exams:
Core exam: 350-501 SPCOR
Concentration exam (choose one): 300-510 SPRI, 300-515 SPVI,
300-535 SPAUTO
Cisco Certified CyberOps Professional
Required Exams:
Core exam: 350-201 CBRCOR
Concentration exam: 300-215 CBRFIR
Entry Professional
Associate Expert
Collaboration
Cisco Unified Contact Center
Enterprise Specialist
Required Exams: 500-440 UCCED, 500-450 UCCEIS
Data Center
Cisco and NetApp FlexPod
Design Specialist
Required Exam: 500-173 FPDESIGN
Cisco and NetApp FlexPod Implementation
and Administration Specialist
Required Exam: 500-174 FPIMPADM
Specialist
Customer Success
Cisco Customer Success Manager
Required Exam: 820-605 CSM
Cisco Renewals Manager
Required Exam: 700-805 CRM
Meraki Solutions Specialist
Required Exam: 500-220 ECMS
© 2021 Cisco and/or its affiliates. All rights reserved. Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks. Third party trademarks mentioned are the property of their respective owners. (1110R) DEC21CS5919 08/21
Make the Next Move
Cisco Certifications training and exam
requirements: www.cisco.com/go/nextlevel
Continuing education options for all levels:
www.cisco.com/go/continuingeducation
Online testing available:
www.cisco.com/go/onlinetesting
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Cisco certifications are available in multiple levels
of expertise and various professional areas.
Proof that you’ve mastered the
essentials to build your IT career
The most prestigious certification
you can obtain
CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps
Earning the certification you need can lead you to the career you want. It can also keep you
competitive in a field where 87% of IT professionals hold certifications (GK). Cisco’s certification
portfolio offers more options than ever before, empowering you to customize your learning path
to meet your career needs, interests, and aspirations. Since every Cisco exam you pass earns
you a certification, each of these milestones you reach tells a new chapter in your story. Here are
the different Cisco certification levels you can earn:
Enhance your networking knowledge
in tech such as security, data center,
or video
Specialist
Expert
Associate
Focus on a core technology track to
sharpen your specialized expertise
Professional

7
CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps
Vocabulary
Knowing these key terms will help you on your CCNA journey.
Application Programming Interfaces
(APIs) and REST APIs
APIs are published instructions to interface with
a product or service. APIs enable developers to
assemble a command or request for a service or
data, to submit it, and to receive any output. They
are published and maintained by the vendor.
Attack surface
A collection of all the possible paths a hacker or a
malware application might follow to compromise
protected data.
Authentication (Authentication,
Authorization, and Accounting [AAA],
Radius)
Authentication is how you control access to your
network and prevent intrusions, data loss, and
unauthorized users.
Continuous Integration/Continuous
Development (CICD)
A CICD system provides automated builds and
tests for creating software, making configuration
changes, or completing other deployment tasks.
When using a CICD pipeline, coders can
continually merge their changes to a main branch
of an existing application, run integration tests on
changes, keep changes small, and minimize the
potential for problems due to multiple, gated test
result requirements.
Data formats
(XML, JavaScript Object Notation [JSON], YAML
Ain’t Markup Language [YAML]) Common data
formats that are both machine-readable and
human-readable for providing input to programs
and applications using interfaces (APIs).
DevOps
A combination of Development (Dev) and
Operations (Ops), DevOps focuses on automation,
regularly allowing failures that can be automatically
fixed with mitigated risks, as well as connecting
business outcomes to the availability goals for
a given system. The DevOps movement makes
developers responsible for deployment and also
has teams use coding workflows and tools to
manage infrastructure.

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DNS
The Domain Name Service (DNS) is like a phone
book that translates IP addresses into human
readable form. For example, www.facebook.com
is 157.240.22.35 (IPv4), or 2001:558:feed::1.
Infrastructure, containers,
and virtual machines
Infrastructure is a generic term for the underlying
devices, physical or virtual, that provide computing
power or storage capacity or networks, used to
deliver software or applications. Virtual machines
can emulate a computer system and are typically
built as images, providing the same functionality
as the physical computer. Containers package up
software and dependencies into one descriptive
file 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. Every
service or server on the internet has a unique
address where it can be accessed.
Malware analysis
The process of determining the functionality,
origin, and potential impact of a given malware.
Network Address Translation (NAT)
IPv4 is limited to approximately 4 billion unique
addresses. NAT is a scheme that allows a single
address for a network (such as a small business)
to be shared by all the users and devices on
your network.
Network data models
(YANG, RESTCONF, NETCONF)
YANG is a data modeling language for configuration
and state data for network devices. It stands for
Yet Another Next Generation. RESTCONF and
NETCONF are protocols defined by a standards
body, so that you can manage configuration of
network devices modeled with YANG.
Packet
A unit of data that can be sent from one network
endpoint to another. A packet has headers, footers,
and a data payload, or some other information that
it carries. The headers encode details about how
to route the packet.
Python
A general-purpose, interpreted programming
language. Python emphasizes code readability with
whitespace requirements, so it is approachable and
powerful. Many network automation applications
and tutorials are centered around Python.
CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps

9
Role-based access control
Access to data given to a person based on their
job function or role.
Router
A router connects different networks together,
providing a route between two computers
(or servers) in different networks. Routers build
the internet.
Routing protocols such as Border
Gateway Protocol (BGP), Enhanced
Interior Gateway Routing Protocol (EIGRP),
and Open Shortest Path First (OSPF)
Routing protocols provide the overall map
and directions for a packet to find the proper
destination.
Security Incident and Event
Management (SIEM)
An approach to security management that
gathers data from multiple sources (such as
syslog, device events, and error logs), processes
the data (including correlation to identify potential
threats), and raises an alert or ticket for further
investigation if the threat is deemed to be real.
Security Orchestration and
Automation Response (SOAR)
An approach that enables SOC teams to
manage tickets raised through SIEM for threat
response. SOAR enables automated workflows
for responding to the threats.
Software Development Kit (SDK)
A platform for writing programs and applications
targeting an API. It often includes documentation,
configurations, and tools (such as compilers or
linkers) to write and execute the code to interface
with the API.
Subnet
Subnetting is a scheme for efficiently apportioning
or assigning your IP addresses to systems in
your organization.
Switch
A switch is a component that is used to build a
network and to connect hosts and servers within
a network. A switch cannot route packets or
data between networks.
Threat intelligence
Evidence-based knowledge, including context,
mechanisms, indicators, implications, and
action-oriented advice about an existing or
emerging hazard to assets.
Threat hunting
The process of proactively and iteratively
searching through networks to detect and isolate
advanced threats.
CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps

10
Time-based access control
Temporary access to data given to a person on
a need basis for a period of time.
VLAN
A Virtual Local Area Network is a simple scheme
to build in access control and restrictions within
a network. It allows you to keep “Sales” separate
from “Engineering,” for example, and to prevent
inappropriate access to data.
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CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps

There are several training options to help you prepare:
• Cisco Guided Study Groups offer you a
180-day journey of certification preparation.
This approach offers a best-of-all-worlds
path toward certification, with the flexibility
and convenience of e-learning plus the
motivation and accountability of working
with a live coach.
• Use the Cisco Learning Locator to find
instructor-led courses-both in-person
and virtual.
• If books are your thing, check out the Cisco
Press CCNA 200-301 Official Cert Guide, a
perfect addition to your self-study plan.
• Browse available self-paced e-learning courses
from the Cisco Learning Network Store.
• The CCNA Preparation Bundle helps you
prepare for the 200-301 Cisco Certified
Network Associate (CCNA) exam. For a limited
time, save 16% off the bundle price.
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Training Options
This is where the real work happens. You’ll need two things: the exam blueprint
as well as a strategy for learning, studying, and practicing. We highly recommend
that you use the CCNA exam blueprint to guide your approach to certification.
Download the complete list of CCNA exam topics, track your progress and focus
on the material you need to know for the exam.
CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps
Keep this in mind: when the verb for a topic area is “describe,” you won’t need
the same depth of knowledge for that topic as when the verbs are “configure,”
“troubleshoot,” and “design.”
Regardless of how you prepare for the exam, it’s crucial to get your hands on the
gear to practice. This is called “labbing,” as in “practicing in a lab environment.” Your
ability to execute critical tasks will be tested on the exam, so you need to practice.
Lab early. Lab often. Then lab some more.

12
Exam Overview
CCNA certification exams are administered by our testing partner,
Pearson VUE, as proctored exams. When you take the exam, you’ll be
in 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 successfully
complete 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’t
travel to a testing center.
CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps
Visit www.cisco.com/go/onlinetesting to perform a system check.
To view a walk-through demonstration of the various exam question types and how
they function, check out the Cisco Certification Exam Tutorial Videos page.
During the exam, it will be just you, your knowledge, and experience against the test. Keep track of the
time, read each question carefully, answer each one (and if you don’t know the answer, try to eliminate
one or more options and then guess), and keep moving to the end.

13
Resources
CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps
CCNA Essentials CCNA Prep
We have many resources to help your progress. We encourage you to sign up for the Cisco
Learning Network to be able to access learning resources, including videos, learning maps
and more. Just as an example the CCNA Training Video learning map has over 52 hours of
self-study preparation tools and content.
Other CCNA resources include:
Associate Certifications
CCNA Certification
Cisco Learning Network CCNA community
CCNA Certification Training Videos
Certification Blogs
Still thinking about getting certified?
Click CCNA Essentials for more details
about the program. It will help you
make the best decision.
Already decided to get certified, and
want to start studying? Click CCNA Prep
to find the ultimate resources to develop
your self-study plan.
Stay connected through:
LinkedIn Group
Facebook
Twitter
Cisco Learning Network
Use code CCNAGUIDE to save 35% on CCNA 200-301
Official Cert Guide Library at www.ciscopress.com/ccnalibrary.

Next Steps
These are exciting times to be working in technology. The IT landscape
evolves daily, but through it all, knowledge of routing and switching remain
the core foundation on which you can build your career.
So many vibrant technological developments culminating all at once can seem overwhelming. You need
to be able to catch the wave of change and ride it smoothly. This is precisely why we believe right now
is the best time to explore how training and certification can keep you focused and help make you a
technical superstar in your organization.
Earning a CCNA is the gateway to a rewarding and lucrative IT career. With your CCNA, you’ll be more
knowledgeable and confident about all things IT.
Use this email template to let your manager know why training and certification is so beneficial for
you—and for them. Get the help you need to transform your career, your income, and your skill set.
CCNA Overview
Certifications Path
Vocabulary
Training Options
Exam Overview
Resources
Next Steps
Why get certified
13 reasons for seeking training and certification
With testimonials from IT networkers
who met the challenge Get started
Get certified eBook
But beyond that, training and certification
can transform your life. By learning the latest
methods and skills in IT, you’ll gain the self-
confidence that comes from setting goals, then
accomplishing them. And that self-confidence
will continue to empower your career.
14
© 2021 Cisco and/or its affiliates. All rights reserved. Cisco
and the Cisco logo are trademarks or registered trademarks of
Cisco and/or its affiliates in the U.S. and other countries. To view
a list of Cisco trademarks, go to this URL: www.cisco.com/go/
trademarks. Third-party trademarks mentioned are the property
of their respective owners. The use of the word partner does not
imply a partnership relationship between Cisco and any other
company. (1110R) DEC21CS5919 08/21
Ask your manager to sponsor your
training. Once they understand the
benefits to your organization, they
will be eager to learn more and
support you with next steps.
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