Physical layer and lans what role

After completing this chapter, you will be able to perform the following tasks: Identify what a VLAN is and how it operates. Configure a VLAN to improve network performance. Identify what role the switch plays in the creation of VLANs.

Physical layer and lans what role

Physical layer and lans what role

A service provided by local exchange and interexchange carriers LECs and IECs that allow customers to use high-speed switched digital data capability without having to subscribe to private network services.

It is usually associated with the supply voltage to the computer, not inside the computer. Sags are the opposite of spikes and are sometimes called brown downs when the sag is not momentary.

They are very often damaging to computer equipment. From its early beginning in as a leading provider of electrical books, Sams Publishing has established a long history of supplying technical minds with technical information. COM is one of the largest and most successful computer book publishers in the world generating over 45 million in sales and titles in print.

An industry term to identify a schematic diagram for anything electronic.

Physical layer and lans what role

Originally the Howard W. Sams Company, it is now Sams Technical Publisihing.

ICND1 100-105

See them at HTTP: Samsung A leading manufacturer and supplier in all commercial electronics industries worldwide. They have several International manufacturing and operations locations.

A network, or usually, a section of an enterprise network, that is there only to store data for backup purposes or for data retrieval purposes. It can be in any configuration or topology.

11 thoughts on “Answer CCNA Security Chapter 8 Test – CCNAS v0”

An acronym for Service Advertising Protocol. A Novell NetWare protocol used to identify the services and addresses of servers attached to the network. The responses are used to update a table in the router known as the Server Information Table. An acronym for Secondary Audio Program.

An NTSC audio channel used for auxiliary transmission, such as foreign language broadcasting or teletext.


Most current television devices have provisions for SAP. Generally a complete industrial or control computer on one board.

A term used by hardware repair people that refers to the fact that computers are not in question as to IF they will crash and die; it is only a matter of when. The three lethal factors are heat, power that is not clean and cigarette smoke residue.

The acronym applies to humans as well; everyone knows that. However the heat and power are not as critical as the loaded gun in the form of cigarettes. Smoke in power supplies and on mainboards leaves a greasy, oily residue that is actually conductive.

Firewall (computing) - Wikipedia

Once it begins to pick up dust, heat begins to build and a path allowing electricity to take the path of the least resistance happens.Basic Networking Tutorial - a network is any collection of independent computers that communicate with one another over a shared network medium.A computer network is a collection of two or more connected computers.

When these computers are joined in a network, people can share files and peripherals such as modems, printers, tape backup drives, or CD-ROM drives. View and Download Dell Force10 C configuration manual online. FTOS Configuration Guide FTOS E-Series TeraScale, C-Series, S-Series (S50/S25).

Force10 C Server pdf manual download. Point-to-Point Protocol (PPP) is an open standard protocol that is mostly used to provide connections over point-to-point serial links. The main purpose of PPP is to transport Layer 3 packets over a Data Link layer point-to-point link.

For flat file storage, encrypting a spreadsheet file in a department share provides an additional layer of separation. Only employees with the right authorization have access. The workforce is changing as businesses become global and technology erodes geographical and physical organizations are critical to enabling this transition and can utilize next-generation tools and strategies to provide world-class support regardless of location, platform or device.

The hierarchical list below shows the complete contents and organization of the electronic version of The TCP/IP Guide.

For a shorter summary of the contents of The.

Network switch - Wikipedia