CompTIA Network+ Exam

A set of standards that describes the media type and the speeds at which each type of media operates

An IEEE standard that specifies an over-the-air interface between a wireless client and a base station or between two wireless clients.

An IEEE standard used to address the need for MAC sub-layer addressing in bridges.

An IEEE standard used to standardize Ethernet and expand it to include a wide range of cable media.

A family of networking standards developed by IEEE.

A DNS record that maps the host name to its IP address using a 32-bit IPv4 address.

A DNS record that maps the host name to its IP address using a 128-bit IPv6 address.

An electrical current that switches its flow back and forth in a circuit

In security terms, the process of determining and assigning privileges to various resources, objects, and data.

In security terms, the process of determining who to hold responsible for a particular activity or event.

A set of data (user names, passwords, time and date, IP address, MAC address, etc.) that is used to control access to a resource such as a computer, file, or network.

A hub that regenerates the signal similar toa repeater.

An IDS that detects a security breach according to the parameters it has been configured with, logs the activity, and then takes the appropriate action to block the user from the suspicious activity.

A peer-to-peer wireless configuration where each wireless workstation talks directly to other workstations.

A method used by end users to provide a fake name or address to post on consumer websites or newsgroups.

Software that automatically displays or downloads advertisements when it is used.

A protocol that IPSec uses to provide data integrity through the use of MDS and SHA. AH takes an IP packet and uses either MDS or AH to hash the IP header and the data payload, and then adds its own header to the packet.

In encryption, the rule, system, or mechanism used to encrypt data.

The crest or trough of a wave from the midpoint of the waveform to its top or bottom.

The process of superimposing a low frequency data signal over a high frequency carrier waveform.

A signal that oscillates over time between minimum and maximum values and can take on any value between those limits.

A name server that responds to name-related queries in one or more zones.

The national standards institute of the United States, which facilitates the formation of a variety of national standards, as well as promoting those standards internationally.

A software program that scans a computer or network for known viruses, Trojans, worms, and other malicious software.

A device or software that facilitates communication and provides enhanced security to wireless devices.

A service that enables a DHCP client computer to configure itself automatically with an IP address on the 169.254.0.0 network in case no DHCP servers respond to the client's DHCP discover broadcast.

The OSI layer provides services and utilities that enable applications to access the network and its resources.

An IDS software component that monitors a specific application on a host.

A communications protocol that resolves IP addresses to MAC addresses.

A table used to maintain a correlation between each MAC address and its corresponding IP address.

A command that enables an administrator to view and manipulate the ARP cache, including deleting it or adding an entry to it.

A self-contained network on the Internet that deploys a single protocol and has a single administration.

A communication method in which special start and stop bit patterns are inserted between each byte of data allowing the receiver to distinguish between the bytes in the data stream.

A cell-switching network technology designed for the high-speed transfer of voice, video, and data in LANs, WANs, and telephone networks.

Any technique that is used to exploit a vulnerability in any application on a computer system without authorization.

A term for a user who gains unauthorized access to computers and networks for malicious purposes.

The fading or degradation of a signal as it travels across a network medium.

In security terms, the process of tracking and recording system activities and resource access. Also known as accounting.

A 15-pin D-shaped connector. Also known as a DIX connector, named for the three companies that invented it Digital Equipment Corporation (DEC), Intel, and Xerox.

A network security measure in which a computer user or some other network component proves its identity in order to gain access to network resources.

Authentication based entirely on a user name/password combination.

In security terms, the process of determining what rights and privileges a particular entity has.

The fundamental security goal of ensuring that systems operate continuously and that authorized persons can access data that they need.

The random amount of time a node in a CSMA/CD network waits after a collision has occurred; a typical backoff period is a few milliseconds long.

The average number of bits of data that can be transmitted from a source to a destination over the network in one second.

A transmission technique in which digital signaling is used to send data over a single transmission medium using the entire bandwidth of that medium.

A record of a system's performance statistics under normal operating conditions.

A path-vector protocol used by ISPs to establish routing between one another.

Authentication schemes based on an individual's physical characteristics.

A hacker who exposes vulnerabilities for financial gain or for some malicious purpose.

A method used by attackers to send out unwanted Bluetooth signals from PDAs, mobile phones, and laptops to other Bluetooth-enabled devices.

A process in which attackers gain access to unauthorized information on a wireless device using a Bluetooth connection.

A wireless technology that facilitates short-range wireless communication between devices such as personal computers, laptop, cellular phones, and gaming consoles, thus creating a WPAN.

A UDP network protocol that helps diskless workstation computers get an IP address before loading an advanced operating system.

A router situated on the edge of an AS that connects the AS to one or more remote networks.

A collection of software robots run by a command and control program that is controlled by a person.

A component of a system that performs poorly when compared to other components and reduces the overall system performance.

A networking medium that uses a physical conductor, typically made of metal or glass.

A technology that allows domestic power lines for broadband transmission.

In a physical tree topology, the number of point-to-point connections that are consistently found between a node and the nodes beneath it in the tree structure.

A network device that divides a logical bus network into subnets.

A transmission technique in which analog signaling is used to send data over a transmission medium using a portion of the medium's bandwidth.

A logical area in a computer network where any node connected to the computer network can directly transmit to any other node in the domain without a central routing device.

A form of RF networking that is non-directional, uses a single frequency for transmission, and comes in low- and high-power versions.

A transmission method in which data goes from a source node to all other nodes on a network.

A type of password attack where an attacker uses an application to exhaustively try every possible alphanumeric combination to try to crack encrypted passwords.

A service set that defines the way a WLAN is configured.

An attack that targets system vulnerability to cause the device operating system to crash or reboot and may result in loss of data or execute rogue code on devices.

A flow control technique in which received data is stored on a temporary high-speed memory location.

A special type of telephone used by telecom technicians when installing and testing local lines. Also known as a lineman's test set.

A server that can issue digital certificates and the associated public/private key pairs.

A type of certifier that can perform tests, such as cable testing and validity testing.

A WAN connectivity technology that uses a cable television connection and a cable modem to provide high-speed Internet access to homes and small businesses.

Hardware that connects subscribers to a service provider's cable systems.

An electrical instrument that verifies if a signal is transmitted by a cable. Also called a media tester.

A buffer that is used when reading information from a disk or RAM.

An application or service that stores requested data in order to provide faster responses to future requests for the data.

A network that covers an area equivalent to an academic campus or business park.

A redundancy protocol that allows a number of computers to be grouped together to use a single virtual network interface between them.

A high frequency signal that is superimposed on an analog signal to carry information.

An AES cipher-based encryption protocol used in WPA2.

The area covered by a wireless access point Alternatively, a cell is a type of network, similar to a packet switching network, in which data is transmitted as fixed-length packets called cells.

A type of network, similar to a packet switching network, in which data is transmitted as fixed-length packets called cells.

A network in which a central host computer controls all network communication and performs data processing and storage on behalf of clients.

A system that provides the software tools to perform the day-to-day functions of a PKI.

A database containing digital certificates.

A systematic way of approving and executing change in order to assure maximum security, stability, and availability of information technology services.

An encrypted remote-access authentication method that enables connections from any authentication method requested by the server, except for PAP and SPAP unencrypted authentication.

A value to let the receiver test the integrity of received data.

Multiple data signals generated in the DSSS technique.

The three principles of security control and management: confidentiality, integrity, and availability. Also known as the information security triad or information security triple.

A subnetting method that selects a subnet mask that meets an individual network's networking and node requirements and then treats the mask like a 32-bit binary word.

A method for concealing the meaning of text.

Data that has been encoded with a cipher and is unreadable.

A switching technique in which one endpoint creates a single path connection to another, depending on the requirement.

An electrical instrument that displays whether an electrical outlet is wired correctly.

A block of iP addresses from 1.0.0.0 to 127.255.255.255 that provides the largest number of nodes (16,777,214) for the smallest number of networks (126), thus increasing the number of nodes per network.

A block ofiP addresses from 128.0.0.0 to 191.255.255.255 that provides a good balance between the number of networks and the number of nodes per network-16,382 networks of 65,534 nodes each.

A block of IP addresses from 192.0.0.0 to 223.255.255.255 that provides the largest number of networks (2,097,150) and the smallest number of nodes per network (254).

A block of IP addresses from 224.0.0.0 to 239.255.255.255 used to support multicast sessions.