CCNA4 Pretest Exam (v5.03) 2016

CCNA4 Pretest Exam Answer v5.03 2016 When is a dial-up connection used to connect to an ISP? when a cellular telephone provides the service when a high-speed connection is provided over a cable TV network when a satellite dish is used when a regular telephone line is used Why would a network administrator use the […]
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IPv4 Addresses and Subnet Masks

The Format of an IPv4 Address An IPv4 address can be written in two ways: dotted decimal notation – 192.168.1.1 32-bit binary notation – 11000000.10101000.00000001.00000001 The address has 4 octets separated by periods and counted from let to right. There are three types of IPv4 addresses: a network address, a host address, and a broadcast […]
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Network Layer

Network Layer Overview The Network Layer is all about networks and routing packets to the correct network, it is the “Layer of The Internet” the layer of the IP protocol. The IP protocol is a connectionless protocol, it doesn’t care about setting up a connection prior to sending like TCP’s three way handshake, it just sends. IP is […]
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Data Link Layer

Overview The data link layer provides the upper layers access to the network media. It is responsible for controlling access to the media, encapsulating packets into appropriately sized frames for the media used, physical addressing, the exchange of frames between nodes on the local network, and error detection. Media Access Control Control Based Access – […]
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Communicating on a Network – Page 2

Cont. Network communication does not happen without rules or protocols. In this class we will learn about the many protocols or rules that are necessary to send a message across the local area network as well as the internet. In order to have successful communication between people you have to follow social and cultural conventions, […]
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Cisco IOS and CLI

Overview For the Cisco CCNA you are required to know how to configure Cisco routers and Cisco switches using the command line interface or CLI. A command line interface is a command driven user shell that allows the user to interface with the operating system. The command line interface or CLI is operated with just […]
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Active Directory Trusts

Active Directory Trusts Trusts in Active Directory create the pathways for authentication to occur. They are used to link Active Directory domains to each other and also link Active Directory domains to non Microsoft systems. Demonstration 08:56 In order to share resources between two domains, there must a trust or trusts connecting the two domains. […]
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Upgrading Active Directory

Upgrading Active Directory This video looks at upgrading your current Active Directory environment so that you can deploy Windows Server 2008/R2 domain controllers in your environment. The video looks at the prerequisites required, the commands you need to run and a demonstration of how to prepare your environment for Windows Server 2008/R2. Upgrading demo 05:40 […]
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Forest Functional Levels

Forest Functional Levels Like domain functional levels, the forest functional level determines which additional features in Active Directory will be available. In order to raise your forest functional level, all domains in the forest domain functional level must be at that corresponding forest functional level or higher. This video looks at the features that are […]
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