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You're reading from  Implementing and Administering Cisco Solutions: 200-301 CCNA Exam Guide

Product typeBook
Published inNov 2020
PublisherPackt
ISBN-139781800208094
Edition1st Edition
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Author (1)
Glen D. Singh
Glen D. Singh
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Glen D. Singh

Glen D. Singh is a cybersecurity author, educator and SecOps professional. His areas of expertise are cybersecurity operations, offensive security tactics and techniques, and enterprise networking. He holds a Master of Science (MSc) in cybersecurity and many industry certifications from top awarding bodies such as EC-Council, Cisco, and Check Point. Glen loves teaching and mentoring others while sharing his wealth of knowledge and experience as an author. He has written many books, which focus on vulnerability discovery and exploitation, threat detection, intrusion analysis, incident response, network security, and enterprise networking. As an aspiring game changer, Glen is passionate about increasing cybersecurity awareness in his homeland, Trinidad and Tobago.
Read more about Glen D. Singh

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Characteristics of IPv4

Learning about computer networking is always a fascinating topic as it also introduces you to how computing devices interpret data and present information. Using a computer or smart device, we usually see a very well-polished graphical user interface (GUI). In Microsoft Windows, for example, there is Windows Explorer, which helps us navigate the various areas (locations) of a computer easily. When opening files, such as pictures, the photo viewer application presents us with a picture our minds can interpret. However, by default, computers and networking devices are unable to interpret the objects within a picture.

When data is written onto a hard disk drive (HDD), there's an actuator arm that contains a read/write head (pin), which is used to magnetize and de-magnetize areas on the platters to represent data. This means that what we see as a picture of a car on the computer screen is, to the device, a portion of the HDD being magnetized and de-magnetized...

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Implementing and Administering Cisco Solutions: 200-301 CCNA Exam Guide
Published in: Nov 2020Publisher: PacktISBN-13: 9781800208094

Author (1)

author image
Glen D. Singh

Glen D. Singh is a cybersecurity author, educator and SecOps professional. His areas of expertise are cybersecurity operations, offensive security tactics and techniques, and enterprise networking. He holds a Master of Science (MSc) in cybersecurity and many industry certifications from top awarding bodies such as EC-Council, Cisco, and Check Point. Glen loves teaching and mentoring others while sharing his wealth of knowledge and experience as an author. He has written many books, which focus on vulnerability discovery and exploitation, threat detection, intrusion analysis, incident response, network security, and enterprise networking. As an aspiring game changer, Glen is passionate about increasing cybersecurity awareness in his homeland, Trinidad and Tobago.
Read more about Glen D. Singh