Follow @ASM_Educational Taking a Network+ exam? Follow us on Facebook and ask us about our study group. The (Open Systems Interconnection) OSI has been developed by International Organization for Standardization (ISO). The OSI model provides a framework for creating and implementing networking standards and devices and describes how network applications on different computers… Read more »
Posts Tagged: Network+
Follow @ASM_Educational Taking a Network+ exam? Follow us on Facebook and ask us about our study group. WiFi is not an acronym but a brand name created by a marketing firm that’s meant to serve as an interoperability seal for marketing efforts. WiFi technology however provides wireless Internet access via the use of radio waves… Read more »
Source mc mcse Certification Resources DoS (Denial of Service) – A DoS attack is a common type of attack in which false requests to a server overload it to the point that it is unable to handle valid requests, cause it to reset, or shut it down completely.
Source mc mcse Certification Resources Physical Security – physical security is just as it sounds, locks on the doors, cameras everywhere, and so forth.
Source mc mcse Certification Resources PKI (Public Key Infrastructure) – A public key infrastructure (PKI) is the combination of software, encryption technologies, processes, and services that enable an organization to secure its communications and business transactions.
Source mc mcse Certification Resources ACL (Access Control List) – An ACL is a table in an operating system or network device (such as a router) that denies or allows access to resources.
Source mc mcse Certification Resources Cable Testers – Cable testers are electronic devices used to test a cable’s integrity by checking for opens and shorts which can cause connectivity problems.
Source mc mcse Certification Resources Application Layer vs. Network Layer – An application layer firewall works at the application layer of a protocol stack.
Source mc mcse Certification Resources Crosstalk Symptoms: Slow network performance and/or an excess of dropped or unintelligible packets. In telephony applications, users hear pieces of voice or conversations from a separate line.
Source mc mcse Certification Resources Gather Information on the Problem In a contact center network, problems are typically discovered and reported by one of the following types of users:
Source mc mcse Certification Resources Bandwidth – is the average number of bits that can be transmitted from the source to a destination over the network in one second.
Source mc mcse Certification Resources Quality of Service – (QoS) is a set of parameters that controls the level of quality provided to different types of network traffic.
The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to their underlying internal structure and technology.
Multilayer Switch – A multilayer switch (MLS) is a computer networking device that switches on OSI layer 2 like an ordinary network switch and provides extra functions on higher OSI layers.
Hub – A physical layer network device used to connect multiple Ethernet devices together.
Vertical Cross Connect – is a location within a building where cables originate and / or are terminated, reconnected using jumpers or pass throughs or are connected to patch panels or other similar devices where the locations are from upper or lower floors in the building.
Peer to Peer – A peer to peer network is one in which lacks a dedicated server and every computer acts as both a client and a server.
Ethernet – Ethernet is the most widely-installed local area network ( LAN) technology.
Frame Relay – Frame relay is a secure, private network that utilizes a logical path or “virtual circuit” to allocate bandwidth for high performance transmissions.
568A and 568B – The number 568 refers to the order in which the individual wires inside a CAT 5 cable are terminated.
Cable Types :
Wireless networks allow computers to comunicate without the use of cables using IEEE 802.11 standards, also known as Wi-Fi.
Introduction To Network
The Purpose and Properties of Routing
Common IPv4 and IPv6 Routing Protocols
Proper Use of Addressing Technologies
Identify the Following Address Formats
Traceroute – A command-line troubleshooting tool that enables you to view the route to a specified host. This will show how many hops the packets have to travel and how long it takes. In Windows operating systems, the command used is “tracert”.
Common Networking Protocols
Here are the steps for troubleshooting a network
Identify Commonly Used TCP/UDP Ports
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