NW203 Test3Ch8-10 terms

  1. Apache Web Server
    A popular open source Linux Web server.
  2. Baseline
    Values collected for comparison against later performance statistics.
  3. Distribution
    A downloadable or otherwise distributable set of Linux installation files for a specific Linux flavor and kernel version. Most distributions include a suite of preinstalled applications.
  4. Extensible Markup Language (XML)
    A data format used for formatting data for transmission using defined schemas, similar in format to the HTML used for webpages.
  5. Firewall
    A security device that filters traffic into or out of a network or subnet.
  6. GNU public license
    The specific open source license that applies to most Linux distributions.
  7. Group Policy Object (GPO)
    An Active Directory method for defining and distributing policy configuration information throughout the directory or to specify groups of users or computers.
  8. Kerberos
    A highly secure industry-standard authentication method. Developed for UNIX and supported on most current NOSs as an authentication method.
  9. Keychain
    A Macintosh operating system feature that supports local caching of online (Internet) passwords.
  10. Lightweight Directory Access Protocol (LDAP)
    A TCP/IP authentication protocol.
  11. LPD/LPR
    TCP/IP protocols that support network printer access in a UNIX/Linux network environment.
  12. Open Directory
    A Mac directory-based networking model.
  13. Shell
    A UNIX/Linux command-line interface.
  14. Virtual Machine (VM)
    A software simulated computer.
  15. Web services
    Specialized applications that run on Web servers and provide services to clients over the Internet.
  16. X Windows System
    A popular UNIX graphical user interface.
  17. 802.15
    The IEEE standard for WPAN or Bluetooth devices.
  18. Acknowledgement (ACK)
    A special packet type sent by a receiving system to acknowledge successful receipt of one or more datagrams.
  19. ATM
    Asynchronous Transfer Mode (ATM) A packet-switched network standard communication method that provides improved performance compared to X.25 and is scalable up to 39Gbps.
  20. BRI
    Basic rate interface (BRI) An ISDN configuration that has two B channels and one D channel.
  21. CSMA/CA
    Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) An access method used on Wi-Fi networks that is similar to the CSMA/CD used on Ethernet networks, except that it makes more of an effort to avoid collisions between transmitting devices.
  22. CTS
    Clear to send (CTS) A signal sent by a WAP to inform a computer that it can send data.
  23. Cloud architecture
    A connection architecture in which you know your connection points but not the communication path inside the cloud.
  24. Dedicated circuit network
    A connection method in which you lease circuits from common carriers at a flat rate.
  25. DCF
    Distributed coordination function (DCF) A media access method in which a device must physically listen before transmitting. Also known as physical carrier-sense method (PCSM).
  26. DHCP
    Dynamic Host Configuration Protocol (DHCP) A protocol and service used to provide IP addresses and TCP/IP configuration parameters.
  27. EAP-TLS
    EAP–Transport Layer Security (EAP-TLS) An EAP protocol extension designed for use with smart cards for authentication.
  28. Frame Relay
    A transmission method that transmits data faster than X.25 but slower than ATM; it does not include any error control.
  29. ISDN
    Integrated Services Digital Network (ISDN) A circuit-switched network communication method that combines voice, video, and data communication.
  30. IPSec
    Internet Protocol Security (IPsec) An industry-standard security protocol that provides encryption and authentication for L2TP VPN connections.
  31. IP Control Protocol (IPCP) A PPP network control protocol that manages and configures TCP/IP over PPP support.
  32. L2TP
    Layer 2 Tunneling Protocol (L2TP) An industry-standard VPN connection protocol.
  33. NAK
    Negative acknowledgement (NAK) A special packet type sent by a receiving system to indicate that a packet was not successfully received.
  34. PAD
    Packet assembly/disassembly device (PAD) A packet-switched network connection device.
  35. Packet-switched network
    A cloud architecture carrier network that uses a fixed-rate connection plus per-packet charges to determine charges.
  36. PCSM
    Physical carrier sense method (PCSM) See distributed coordination function (DCF).
  37. POTS
    Plain old telephone service (POTS) A telephone network and infrastructure that includes the standard dial-up phone network.
  38. PCF
    Point coordination function (PCF) A wireless transmission method that uses RTS and CTS to control transmissions. Also known as virtual carrier-sense method (VCSM).
  39. PPPoE
    Point-to-Point Protocol over Ethernet (PPPoE) A communication protocol that encapsulates PPP frames inside Ethernet packets.
  40. PPP
    Point-to-Point Protocol (PPP) A protocol that is used for remote connections over a variety of connection methods and that supports multiple network protocols.
  41. PPTP
    • Point-to-Point Tunneling Protocol (PPTP) A Microsoft-developed protocol that is used for VPN connectivity.
    • Primary rate interface (PRI) An ISDN configuration that supports up to 23 64Kbps B channels and one 64Kbps D channel.
  42. PSTN
    Public Switched Telephone Network (PSTN) A telephone network and infrastructure that includes the standard dial-up phone network.
  43. Remote access server
    Any combination of hardware and software components that are used to permit access to a network from remote clients.
  44. RADIUS
    Remote Authentication Dial-in User Service (RADIUS) A centralized authentication method.
  45. RTS
    Request to transmit (RTS) A message type in a WAP, whereby a system requests to be permitted to transmit on the network.
  46. SLIP
    Serial Line Internet Protocol (SLIP) An older access protocol originally designed for use with UNIX computers. SLIP passes user names and passwords as clear text.
  47. SDH
    Synchronous Digital Hierarchy (SDH) The name under which SONET is marketed.
  48. SONET
    Synchronous Optical Network (SONET) An ANSI-standard high-speed U.S. fiber-based communication network.
  49. T1
    The standard T-carrier circuit for carrying voice and data. 1.544Mbps
  50. T2, T3, and T4
    Bundles of T1 lines. T2=6.312Mbps, T3=44.376Mbps, T4=274.176Mbps
  51. Terminal adapter
    (TA) An ISDN client device that performs the same role as a network adapter for ISDN connectivity. Also known as an ISDN modem.
  52. Transport mode
    An IPsec mode in which the data portion of a packet is encrypted for host-to-host communications.
  53. Tunnel mode
    An IPsec mode in which the entire IP packet is encrypted and then encapsulated in another IP packet for host-to-host, host-to-network, and network-to-network communications.
  54. VPN
    Virtual private network (VPN) An encrypted, secure, private communication path over a public carrier.
  55. WPAN
    Wireless Personal Area Network (WPAN) The standard covering Bluetooth devices, also known as the IEEE 802.15 standard.
  56. X.25
    The oldest packet-switched service in current use.
  57. PSTN
    Public Switched Telephone Network (PSTN) A telephone network and infrastructure that includes the standard dial-up phone network.
  58. Remote access server
    Any combination of hardware and software components that are used to permit access to a network from remote clients.
  59. RADIUS
    Remote Authentication Dial-in User Service (RADIUS) A centralized authentication method.
Author
slc53
ID
319447
Card Set
NW203 Test3Ch8-10 terms
Description
NW203 Test3 terms
Updated