NETWORK+ Terms Numbers and A's Flashcards
An IEEE 802.3 specification for Ethernet at 10Mbps over thin coaxial cable. The maximum length of a \_\_\_\_\_\_ segment is 185 meters (607 feet). It operates at 10Mbps and uses a baseband transmission method.
10Base2
The IEEE 802.3 specification for 10Mbps Ethernet using thick coaxial cable. The maximum length of a \_\_\_\_\_ segment is 500 meters (1,640 feet).
10Base5
The IEEE 802.3 specification
for running Ethernet at
10Mbps over fiber-optic cable. The
maximum length of a _____ segment is 2,000 meters
10BaseFL
The IEEE 802.3i specification
for running Ethernet at
10Mbps over twisted-pair cabling.
The maximum length of a _____segment is 100 meters (328 feet).
10BaseT
A 10Gbps Ethernet
networking standard that can be
used up to 40,000 meters.
10GbaseER
Both the types of this Gigabit standards deploy with extralong- wavelength single-mode fiber. This medium provides transmission distances ranging from 2 meters to 40 kilometers. 10GbaseER deploys over dark fiber, but the \_\_\_\_\_\_ standard is used primarily with SONET equipment.
10GbaseEW
A 10Gbps Ethernet networking standard that can be used up to 10,000 meters. \_\_\_\_\_ uses single-mode fiberoptic cabling.
10GbaseLR
The IEEE 802.3 specification for running Fast Ethernet at 100Mbps over fiber-optic cable. The maximum length of a \_\_\_\_\_segment is 2,000 meters (6,561 feet) in full-duplex mode.
100BaseFX
The _____Ethernet standard is over singlemode fiber. Both the these standards are designed to be used over long-wavelength single-mode fiber, giving it a potential transmission range of anywhere from 2
meters to 10 kilometers. This
standard is designed to connect to
SONET equipment.
10GbaseLW
The IEEE 802.3 specification for running Ethernet at 100Mbps over twisted-pair cabling. The maximum length of a \_\_\_\_\_ segment is 100 meters (328 feet).
100BaseT
A 10Gbps Ethernet
networking standard that can be
used over relatively short distances,
up to 300 meters.
10GbaseSR
An IEEE 802.3u specification, also known as Fast Ethernet, for running Ethernet at 100Mbps over STP or UTP. The maximum length of a \_\_\_\_\_segment is 100 meters (328 feet).
100BaseTX
Both of these are designed for deployment over shortwavelength multimode fiber. The distance range for both classifications ranges from as little as 2 meters to 300 meters. The difference between the two classifications is that SR is designed for use over dark fiber. The \_\_\_\_\_ standard is designed for longer-distance data communications and connects to SONET equipment.
10GbaseSW
An IEEE 802.3ab standard that specifies Gigabit Ethernet over Category 5 UTP cable. The standard allows for fullduplex transmission using four pairs of twisted cable.
1000BaseT
Telecommunications standards from the Telecommunications Industry Association (TIA) and the Electronics Industry Association (EIA). These ____ standards specify the pinaarrangements for the RJ-45 connectors on UTP or STP cables. The number refers to the order in which the wires within the UTP cable are terminated and attached to the connector.
568A/568B standards
A term commonly used to refer to the 10Gbps Ethernet networking standards such as 10GbaseER, 10GbaseLR, and 10GbaseSR. _____is defined in the IEEE 802.3ae standard.
10GbE
___ is the process to determine if someone
is authorized to use the network— if he can log on to the network. ___refers to identifying
the resources a user can access after he is authenticated. ___ refers to the tracking methods used to identify who uses the network
and what they do on the network.
Authentication, authorization, and accounting (AAA)
A n _____ _____has power supplied to it for the purposes of regenerating the signals that pass through it.
active hub
Defines a wireless network layout whereby devices communicate directly between
themselves without using an access
point. Sometimes called an unmanaged
or peer-to-peer wireless topology.
ad hoc topology
A transmitter and receiver (transceiver) device commonly used to facilitate communication between a wireless client and a wired network. \_\_\_ \_\_\_ are used with the wireless infrastructure network topology to provide a connection point between WLANs and a wired Ethernet LAN.
access point
A set of numbers used to
identify and locate a resource or
device on a network. An example is as 192.168.2.1.
address
A person responsible
for the control and security of
the user accounts, resources, and
data on a network.
administrator
On a Windows system, the default account that has rights to access everything and to assign rights to other users on the network. Unlike other user accounts, the \_\_\_\_ account cannot be deleted.
Administrator account
The ____ message
sent between two hosts during
a TCP session.
ACK-acknowledgment
The list of trustees assigned to a file or directory. A trustee can be any object available to the security subsystem. The term \_\_\_ \_\_\_ \_\_\_is also used with routers and firewall systems to refer to the list of permitted computers or users.
ACL (access control list)
A service that transmits digital voice and data over existing (analog) phone lines.
ADSL (Asymmetric Digital
Subscriber Line)
Used in Windows network environments, this is a directory services system that enables network objects to be stored in a database. This database can then be divided and distributed among different servers on the network.
Active Directory
An encryption algorithm for securing sensitive networks used by U.S. Government agencies. Has become the encryption standard for corporate networks.
AES (Advanced Encryption
Standard)
One of the two separate protocols IPSec
consists of (the other being ESP).
___ provides the authentication and
integrity checking for data packets.
AH (Authentication Header)
A log file on a Windows system that provides
information on events that occur
within an application.
application log
One of the earliest forms of radio modulation,
this is a technique used in communication to transmit information over a radio wave.
AM (Amplitude Modulation)
A flag that is set on a file after it has been created or altered. Some backup methods reset the flag to indicate that it has been backed up.
archive bit
An organization that
publishes standards for communications,
programming languages, and
networking.
ANSI (American National Standards
Institute)
The regional
Internet registry responsible for
managing both IPv4 and IPv6 IP
number distribution.
ARIN (American Registry for
Internet Numbers)
A software application that detects and removes
virus programs.
antivirus software
A protocol in the TCP/IP suite used to resolve IP addresses to MAC addresses. Specifically, the \_\_\_\_ command returns a Layer 2 address for a Layer 3 address.
ARP (Address Resolution Protocol)
A network device that offers connectivity
between wireless clients and (usually)
a wired portion of the network.
AP (wireless access point)
The ARP utility that resolves IP addresses to MAC addresses. The ARP \_\_\_ utility tests connectivity by pinging a MAC address directly.
ARP ping
A technology implemented on certain Windows platforms through which a system assigns itself an IP address in the absence of a DHCP server. Addresses are assigned from the 169.254.x.x address range.
APIPA (Automatic Private IP
Addressing)
A table of entries used
by ARP to store resolved ARP
requests. Entries can also be manually
stored.
ARP table
Layer 7 of the
OSI model, which provides support
for end users and for application
programs using network resources
application layer
A group of devices arranged
in a fault-tolerant configuration. See
also RAID.
array
\_\_\_ \_\_\_ firewalls operate at the application layer of the OSI model. Application layer firewalls can inspect data packets traveling to or from an application.
application-level firewall
A vendor who provides computerbased
services over the network.
ASP (Application Service Provider)
The loss of signal experienced as data transmits over distance and across the network
medium.
attenuation
A packet-switching technology that
provides transfer speeds ranging
from 1.544Mbps to 622Mbps.
ATM (Asynchronous Transfer Mode)
The process by which a user’s identity is validated on a network. The most common
authentication method is a username
and password combination.
authentication
