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112 Cards in this Set

  • Front
  • Back

What is the correct wiring order for the T568A standard?









What is the correct wiring order for the T568B standard?









What is the purpose of Power over Ethernet (PoE)?

It allows an Ethernet connection to be used as both a network and power connection.

What does a cable rated as "plenum" indicate about the cable?

It will not produce toxic gas when it burns.

What is the main difference in the physical composition of UTP and STP cable?

Mesh shielding

Which transmission cable has a transmission range up to 100 meters or 328 feet?

Unshielded twisted pair (UTP) or shielded twisted pair (STP) cable

Which type of network contains a computer, cell phone, personal digital assistant (PDA), or other personal device, and operates using Bluetooth, infrared, USB, or FireWire connectivity?

A personal area network (PAN)

Which type of wireless network interference is caused by electrical devices, such as fluorescent lights?

Electromagnetic interference (EMI)

Which IEEE standard defines the Physical layer and the media access control (MAC) sublayer of the Data Link layer for a wired Ethernet?

IEEE 802.3

What is the transmission distance supported by multi-mode fiber optic cable?

3000 feet

What does the acronym SNMP denote?

Simple Network Management Protocol

What does the acronym SMTP denote?

Simple Mail Transfer Protocol

What does the acronym ISP denote?

Internet Service Provider

To which port on the router or switch should you connect a computer to access the Internet?

To the local area network (LAN) port

What is the transmission distance supported by single-mode fiber optic cable?

Approx 20 miles

What device must be installed in a computer to connect the computer to other computers or a network?

A network adapter

What are the two main types of network cables?

A straight through cable and a crossover cable

Which type of network cable is required to directly connect one computer to another computer?

Crossover cable

Which four data rates are defined for operation over twisted-pair and optical fiber cables for Ethernet networks?

10 Mbps for 10Base-T, 100 Mbps for Fast Ethernet, 1000 Mbps for Gigabit Ethernet, 10 Gbps for 10-Gigabit Ethernet

Which type of port is used to connect a computer to a 100BaseT network?


Which type of port is included on a dial-up modem?


What are the three most popular connectors available for fiber-optic cabling?

The LC, ST, and SC connectors

What is the maximum transmission speed of Category 5e cable?

1000 Mbps or 1 Gbps

What is the maximum length of RG-8 ThickNet coaxial cable?

Appr. 500 meters (1,640 feet)

Which types of unshielded twisted pair (UTP) cables support data transfer up to 1000 Megabits per second (Mbps)?

CAT5e, CAT6, CAT6a, CAT7, and CAT7a UTP cables

Which device enables you to connect a wired Ethernet device to a wireless network?

Wireless bridge

Which device is used to extend the range of an existing wireless network?

Wireless repeaters

What is the maximum transmission speed supported by CAT5 cables?

1000 Mbps or 1 Gbps

Which connector is used for 10Base-T network cables?


Which cable is used to connect two workstations directly without using a hub or a switch?

Crossover cable

Which component do you install in a computer to establish a physical connection to the network media?

Network Interface Card (NIC)

Which hardware device routes data from a local area network (LAN) to a phone line or other network connection?


Which hardware device routes data from a local area network (LAN) to a phone line or other network connection?


How many network cards are required in each computer when Internet access is shared via a router?

One network card in each computer

Which type of address should you specify in wireless clients when you configure a wireless access point as a router?

Gateway address

Which devices are used to connect workstations in a 100-BaseT network?

Routers, switches, and hubs

Which device is the combination of bridge and a router?


Which cable is used with RJ-45 connectors?

Unshielded twisted pair (UTP) or shielded twisted pair (STP)

Which devices are used to forward packets between multiple networks?


What device should you use to isolate broadcast traffic on your LAN to certain segments?


Which type of cable is used in a 10BASE-T Ethernet standard?

CAT3 or CAT5 unshielded twisted pair (UTP) cable

Which hardware device operates at the Physical layer (Layer 1) of the Open Systems Interconnection (OSI) model to provide connectivity to network computers?

A hub

Which hardware device operates at the Data Link layer of the Open Systems Interconnection (OSI) model to provide connectivity to network computers?

A switch

What hardware device can connect dissimilar networks and can operate at different layers of the Open Systems Interconnection (OSI) model?


Which hardware device can connect similar networks and can separate the network traffic on each segment?


Which unshielded twisted pair (UTP) cables can support Gigabit Ethernet cards?

CAT5e, CAT6, CAT6a, CAT7, and CAT 7a

How is information translated in digital communication?

It is converted into binary format (zero or one) where each bit is representative of two distinct amplitudes.

How is information transmitted in analog communication?

Information is translated into electric pulses of varying amplitude

What does the acronym ACL denote?

Access control list

What are the two main connectors used with coaxial cable?

Bayonet Neill-Concilman (BNC) and Threaded Neill-Concilman (TNC) connectors

How does communication occur in full-duplex mode?

You can transmit and receive the signal on the same channel at the same time.

How does communication occur in half-duplex mode?

A single communication channel is used for both transmitting and receiving.

How does communication occur in simplex mode?

Two separate channels are used for transmitting and receiving the signal.

What is the maximum transmission speed of Category 6 (Cat6) cable?

10 Gbps

What is the maximum length of RG-58 ThinNet coaxial cable?

Appr. 185 meters (607 feet)

What does the acronym DMZ denote?

Demilitarized zone

What does the acronym AP denote?

Access Point

What does the acronym IPSec denote?

Internet Protocol Security

access control list (ACL)

The set of rules that determines which traffic gets through a firewall and which traffic is blocked.

active hub

A type of hub that uses electronics to amplify and clean up the signal before it is broadcast to the other ports.

BNC connector

A type of connector used to attach stations to a thinnet network.

bus topology

A network topology in which all computers are connected in a serial fashion. A bus typically uses coaxial cable.

centralized processing

A network-processing scheme in which all "intelligence" is found in one computer and all other computers send requests to the central computer to be processed. Mainframe networks use centralized processing.

client computer

A computer that requests resources from a network, often referred to as a workstation.

client software

Software that allows a device to request resources from a network.


When two or more stations transmit onto a shared medium simultaneously, invalidating the data sent from each station.

connectivity device

Any device that facilitates connections between network devices. Some examples are hubs, routers, switches, and bridges.


A type of connection in which there is competition between two or more network devices for the same bandwidth.

crossover cable

A twisted-pair network cable used for connecting computers directly to each other. One end has pins 1 and 3 and 2 and 6 reversed, hence the term crossover.

dedicated server

The server that is assigned to perform a specific application or service.

distributed processing

A computer system in which processing is performed by several separate computers linked by a communications network. The term often refers to any computer system supported by a network, but it more properly refers to a system in which each computer is chosen to handle a specific workload and the network supports the system as a whole.


Also referred to as a client-server networking model, a domain is a network in which security is managed by a centralized server, often known as a domain controller.

Ethernet over Power

Technology that allows for network signals to be sent via electrical power outlets. Devices must be on the same electrical circuit for Ethernet over Power to work.


The type of network cable connector that is found on the end of cable television cables.

file locking

A feature of many network operating systems that "locks" a file to prevent more than one person from updating the file at the same time.

file server

A computer used primarily for the storage and management of files on a network.


The Data Link layer product that includes a portion of the original user data, upper-layer headers, and the Data Link header and trailer.

full-duplex communication

Communications in which both entities can send and receive simultaneously.

half-duplex communication

Communications that occur when only one entity can transmit or receive at any one instant.


Information attached to the beginning of a network data frame.


A basic connectivity device used to link several computers together into a physical star topology. A hub repeats any signal that comes in one port and copies it to the other ports.

hybrid topology

A physical network topology that is a combination of bus, star, and mesh.

local area network (LAN)

A group of computers and associated peripherals connected by a communications channel and capable of sharing files and other resources among several users.

local connector (LC)

Fiber-optic cable connector that corresponds to the mini form-factor standard. Colloquially known as the "little connector."

mesh topology

A type of logical topology in which each device on a network is connected to every other device on the network. This topology uses routers to search multiple paths and determine the best path.

metropolitan area network (MAN)

Network that is defined by its geographical nature, such as spanning a metropolitan area or a college campus.

multimode fiber

Fiber-optic cable that can transmit multiple signals at the same time.

network interface card (NIC)

In networking, the PC expansion board that plugs into a personal computer or server and works with the network operating system to control the flow of information over the network. The network interface card is connected to the network cabling (twisted-pair, coaxial, or fiber-optic cable), which in turn connects all of the network interface cards in the network.

network operating system (NOS)

Operating system that runs on a computer and allows it to connect and operate on a computer network.

nondedicated server

A computer that can be both a server and a workstation. In practice, by performing the functions of both server and workstation, this type of server does neither function very well. Nondedicated servers are typically used in peer-to-peer networks.

Open Systems Interconnection (OSI) model

A seven-layer theoretical networking model developed by the International Organization of Standardization (ISO).

passive hub

A type of hub that electrically connects all network ports together. This type of hub is not powered.

personal area network (PAN)

A small-scale network of Bluetooth-enabled devices.


When referring to coaxial covering, a designation that means the coating does not produce toxic gas when burned (as PVC does) and it is rated for use in air plenums that carry breathable air.

polyvinyl chloride (PVC)

The type of plastic coating found on most network cables. Emits poisonous gasses when burned.

Power over Ethernet (PoE) injector

A hardware device that sits between a switch and an access point that requires power to be provided over the Ethernet connection. The injector supplies the power on the Ethernet connection if the switch is not equipped to do so.


In networking and communications, the specification that defines the procedures to follow when transmitting and receiving data. Protocols define the format, timing, sequence, and error-checking systems used.

ring topology

A physical network topology that has computers connected in a ring shape. Uncommonly used.

RJ (registered jack)

RJ (registered jack)A connector type for twisted-pair cabling. Telephone cabling uses an RJ-11 connector and network cabling uses an RJ-45 connector.


In networking, an intelligent connecting device that can send packets to the correct local area network segment to take them to their destination. Routers link LAN segments at the Network layer of the OSI model for computer-to-computer communications.

routing tables

Tables on a router that determine where the router will send packets on the network.


A network of two or more piconets.

shielded twisted-pair (STP)

Copper network cable that has two or four pairs of twisted wires, shielded by a braided mesh and covered with an outside coating.

single point of failure

A computer term used to define one device or connection that, if it fails, brings down the entire system.

Single-mode fiber (SMF)

Fiber-optic cable that can transmit only one signal at a time. It's the longest-distance cable available for networking use today.


A hardware device that takes one input signal and sends it to several output devices.

star topology

A physical network topology in which all computers are attached to a central connectivity point.

straight tip (ST)

One of the most common fiber-optic connectors, similar in style to the BNC connector used in 10Base2 Ethernet.

subscriber connector (SC)

A fiber-optic cable connector that snaps and locks into place.


A Layer 2 device similar to a hub in its port count but more advanced, with the ability to filter traffic based on the destination MAC address of each frame.

unshielded twisted-pair (UTP)

Networking cable that has four twisted pairs of copper wire and a flexible outer coating.

wide area networks (WANs)

A network that expands LANs to include networks outside of the local environment and also to distribute resources across distances.