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Video: OCA Java SE 8 Programmer I (1Z0-808): Understanding Integer Primitive Types Literal Forms
By Simon Roberts
Dec 7, 2015
In this excerpt from OCA Java SE 8 Programmer I (1Z0-808) Complete Video Course, Simon Roberts looks at the formats of literal values that represent integers.
Video: OCA Java SE 8 Programmer I (1Z0-808): Using Common String Methods to Perform Comparisons
By Simon Roberts
Dec 4, 2015
In this excerpt from OCA Java SE 8 Programmer I (1Z0-808) Complete Video Course, Simon Roberts takes a look at some of the string methods that perform comparisons.
Network Address Translation (NAT) Implementation Methods
By Sean Wilkins
Dec 1, 2015
Have you ever adjusted to a new area code or ZIP code? Everyone needs unique phone numbers and addresses, which is a struggle for the phone companies and the post office. The Internet has the same growing pains on a planetary scale, with everyone's Net-connected devices needing unique IP addresses. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains how Network Address Translation makes it possible for all of us and our gadgets to communicate.
Video: CCNA Wireless 200-355: Encryption
By Jerome Henry
Nov 30, 2015
In this excerpt from CCNA Wireless 200-355 Complete Video Course, Jerome Henry discusses an important security component of Wi-Fi: encryption.
Video: CCNA Wireless 200-355: RF Characteristics - Frequency, Amplitude, Phase, Wavelength
By Jerome Henry
Nov 26, 2015
To work with Wi-Fi, you need to understand how waves work. In this excerpt from CCNA Wireless 200-355 Complete Video Course, Jerome Henry discusses RF characteristics: frequency, amplitude, phase, and wavelength.
Inner Workings of the Domain Name System (DNS)
By Sean Wilkins
Nov 24, 2015
When you type an address into a browser and hit Enter, you expect to arrive at the intended website. Without the Domain Name System (DNS), that wouldn't happen. Whether simple or very complex, networks worldwide rely on the DNS to connect client and target. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains how DNS connects one person or server with another, and why you need to know about this undervalued service.
Video: CCNA Wireless 200-355: Control Plane
By Jerome Henry
Nov 24, 2015
In this excerpt from CCNA Wireless 200-355 Complete Video Course, Jerome Henry discusses FlexConnect communication options; specifically, the control plane.
CCDE Study Guide: Enterprise Campus Architecture Design
By Marwan Al-shawi
Nov 23, 2015
In this chapter from CCDE Study Guide, Marwan Al-shawi discusses issues related to enterprise campus architecture design, including hierarchical design models, modularity, access-distribution design model, layer 3 routing design considerations, EIGRP versus link state as a campus IGP, and enterprise campus network virtualization.
Video: CCNA Wireless 200-355: Radio
By Jerome Henry
Nov 20, 2015
In this excerpt from CCNA Wireless 200-355 Complete Video Course, Jerome Henry discusses working with radio in the network interface.
Video: CCNA Wireless 200-355 Complete Video Course: An Overview
By Jerome Henry
Nov 19, 2015
In this excerpt from CCNA Wireless 200-355 Complete Video Course, Jerome Henry introduces the course and what you will learn, covers his qualifications, and discusses why CCNA Wireless as a certification is important and the career opportunities it creates.
Video: ITIL Foundation Exam: The CSI Approach
By Jill Knapp
Nov 19, 2015
This excerpt from ITIL Foundation Exam LiveLessons covers a 6-step improvement process called the CSI Approach.
Five (or Six) Things That Will Make You a DHCP Wizard
By Sean Wilkins
Nov 17, 2015
You're probably using the Dynamic Host Configuration Protocol (DHCP) right now, as you read this article. Surprised? Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains what you need to know about the use of DHCP in modern communications.
Video: ITIL Foundation Exam: Business Relationship Management
By Jill Knapp
Nov 17, 2015
This excerpt from ITIL Foundation Exam LiveLessons covers business relationship management, the purpose of which is to establish and maintain a business relationship between the service provider and the customer.
Video: HRCI Certification Exam: What if I Fail?
By Cathy Winterfield, Kelley Snyder
Nov 13, 2015
This excerpt from HRCI Certification Exams: Your Video Coach to Preparing and Passing the Exams covers the importance of having a positive and mindful attitude toward the exam.
Network Routing Protocols and Methods, Part 2
By Sean Wilkins
Nov 10, 2015
In the conclusion of this series, Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains how to untangle the detailed network information provided by two popular network routing protocols.
CCNA Collaboration CICD 210-060 Official Cert Guide: Managing Endpoints and End Users in CUCM
By Michael Valentine
Nov 9, 2015
This chapter from CCNA Collaboration CICD 210-060 Official Cert Guide reviews the configuration of endpoints and users in Cisco Unified Communications Manager (CUCM), including setting up basic network services, registering phones, configuration, and bulk administration.
Exam Profile: CompTIA Linux+ (LX0-103 and LX0-104) and LPIC-1 (101-400 and 102-400)
By Sean Walberg
Nov 4, 2015
Sean Walberg, co-author of CompTIA Linux+ / LPIC-1 Cert Guide, provides important details you need to know to prepare for taking the Linux exams: CompTIA Linux+ (powered by LPI) LX0-103 and LX0-104, or the LPIC-1 101-400 and 102-400 exams.
Network Routing Protocols and Methods, Part 1
By Sean Wilkins
Nov 3, 2015
In this two-part series, Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, discusses current network routing protocols and methods for implementing them. This article covers the types of static versus dynamic routing protocols and the differences between them.
Video: HRCI Certification Exam: What Can I Expect This Experience to be Like?
By Cathy Winterfield, Kelley Snyder
Oct 26, 2015
In this video from HRCI Certification Exams: Your Video Coach to Preparing and Passing the Exams, Cathy Winterfield talks about what the HRCI exam experience will be like and how you can embark on your own hero's journey.
Common Protocols for Virtual Private Networks (VPNs)
By Sean Wilkins
Oct 22, 2015
Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, discusses some of the protocols used on modern virtual private networks.

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