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Welcome to the Cybrary blog

Your go-to resource for all things cybersecurity. Explore expert insights, industry trends, product updates, and practical tips for creating a more secure world.

Certifications
September 9, 2025

Cloud Security Certifications: Top Credentials for Cybersecurity Specialists

Clint Kehr
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Cloud Security Certifications: Top Credentials for Cybersecurity Specialists
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CISSP Study Guide
December 15, 2022

CISSP Study Guide: Fiber Optic Cables

Fiber optic cable transmits secure signals with little signal degradation, resistant to EMI. Comes in two types: single-mode & multimode for strength and reliability.

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CISSP Study Guide
December 15, 2022

CISSP Study Guide: OSI Reference Model: TCP/IP Protocols

In the 70s, the US DoD developed six key Internet network protocols. They form the basis of today's Internet, managing errors and info for IP packet processing.

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CISSP Study Guide
December 15, 2022

CISSP Study Guide: Wireless Networks

Improve network access, range, and more with IEEE 802.11 standards, Ad-hoc and Infrastructure Modes all powered by Wireless Network Adapters. Read this blog to learn more.

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CISSP Study Guide
December 15, 2022

CISSP Study Guide: Voice Communications in Network Security

Protect your network with VoIP and secure voice comms with physical, technical and admin measures. Prevent colored boxes, dial-in/out, and more threats.

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CISSP Study Guide
December 15, 2022

CISSP Study Guide: Point-to-Point Protocol (PPP)

PPP is the industry-standard network protocol, providing flexibility, authentication, compression, error detection, multiplexing, and support for PAP & CHAP.

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CISSP Study Guide
December 15, 2022

CISSP Study Guide: Twisted Pair Cables Used to Build Networks

STP & UTP cabling are used in LANs, most often UTP Cat. 3/5 (Level 5 offers 350MHz for 1Gbps). Read more for grades, connectors & installation info.

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CISSP Study Guide
December 15, 2022

CISSP Study Guide: All About The Central Processing Unit (CPU)

Explore CPUs: RISC/CISC, multitasking, multiprogramming, multithreading & multiprocessing. Importance of controlling system operations. Two inputs: instructions & data.

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CISSP Study Guide
December 15, 2022

CISSP Study Guide: Types of Network Topologies

Compare LAN topologies to find best cost & redundancy option - star, bus, ring, mesh, & hybrid.

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CISSP Study Guide
December 15, 2022

CISSP Study Guide: All About Database Management

Learn DBMS transactions for data accuracy: use locking, serialize & set isolation lvls for integrity. Understand atomicity, consistency, isolation & durability for transactions.

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CISSP Study Guide
December 15, 2022

CISSP Study Guide: Types of Computer Memory

Learn about computer memory types, uses and more--volatile/nonvolatile, RAM, ROM, cache, virtual & active memory.

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CISSP Study Guide
December 15, 2022

CISSP Study Guide: OSI Reference Model: TCP/IP Layers

The TCP/IP protocol suite has 4 components: application, transport, internetwork, and network interface. Each layer has roles & popular protocols.

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CISSP Study Guide
December 15, 2022

CISSP Study Guide: OSI Reference Model: Inter-OSI Layer Interaction

Understand OSI headers & trailers: meaning, importance & data. Max 100 char.

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