CertiGuide to Network+  9  Glossary

O 1 2 3 4 5 6 7 8 Q

Physical Layer (OSI Layer 1)

The layer of the OSI model that converts packets of data into electrical 0 and 1 values.

The location designation assigned to media managed by Removable Storage. The two classes of physical locations include libraries and offline media physical locations. The offline media physical location is where Removable Storage lists the cartridges that are not in a library. The physical location of cartridges in an online library is the library in which it resides.

A storage object that data can be written to, such as a disk or magnetic tape. A physical medium is referenced by its physical media ID (PMID).

An object, such as an ATM card or smart card used in conjunction with a piece of information, such as a PIN number, to authenticate users. In two-factor authentication, physical objects are used in conjunction with another secret piece of identification, such as a password, to authenticate users. In two-factor authentication, the physical object might be an ATM card that is used in combination with a PIN to authenticate the user.

A tool that verifies connections to one or more remote hosts. The ping command uses the ICMP Echo Request and Echo Reply packets to determine whether a particular IP system on a network is functional. Ping is useful for diagnosing IP network or router failures.

To make a network file or folder available for offline use.

Data that is not encrypted. Sometimes also called clear text.

A set of specifications developed by Intel that allows a computer to automatically detect and configure a device and install the appropriate device drivers.

A way of installing network printers on a user’s local computer. Point and Print allows users to initiate a connection to a network printer and loads any required drivers onto the client’s computer. When users know which network printer they want to use, Point and Print greatly simplifies the installation process.

The local access point for a network provider. Each POP provides a telephone number that allows users to make a local call for access to online services.

O 1 2 3 4 5 6 7 8 Q