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Security+ Chap 7

Chapter 7 Administering a Secure Network

QuestionAnswer
cloud computing A pay-per-use computing model in which customers pay only for the computing resources that they need, and the resources can be easily scaled.
disabling unused ports A security technique to turn off ports on a network device that are not required.
File Transfer Protocol (FTP) An unsecure TCP/IP protocol that is commonly used for transferring files.
flood guard A feature that controls a device's tolerance for unanswered service requests and helps to prevent a DoS attack.
FTP using Secure Sockets Layer (FTPS) A TCP/IP protocol that uses Secure Sockets Layer/Transport Layer Security (SSL/TLS) to encrypt commands sent over the control port (Port 21) in an FTP session.
IEEE.802.1X A standard that blocks all traffic on a port-by-port basis until the client is authenticated using credentials stored on an authentication server.
Internet Control Message Protocol (ICMP) A TCP/IP protocol that is used by devices to communicate updates or error information to other devices.
Internet Protocol version 6 (IPv6) The next generation of the IP protocol that addresses weaknesses of IPv4 and provides several significant improvements.
IP telephony Using a data-based IP network to add digital voice clients and new voice applications onto the IP network.
loop protection Preventing broadcast storms by using the IEEE 802.1d standard spanning-tree algorithm (STA).
MAC limiting and filtering A security technique to limit the number of media access control (MAC) addresses allowed on a single port.
rule-based management The process of administration that relies on following procedural and technical rules.
Secure Copy Protocol (SCP) A TCP/IP protocol used mainly on UNIX and Linux devices that securely transports files by encrypting files and commands.
Secure FTP (SFTP) A secure TCP/IP protocol that is used for transporting files by encrypting and compressing all data and commands.
Simple Network Management Protocol (SNMP) A TCP/IP protocol that exchanges management information between networked devices. It allows network administrators to remotely monitor, manage, and configure devices on the network.
Transmission Control Protocol/Internet Protocol (TCP/IP) The most common protocol suite used today for local area networks (LANS) and the Internet.
virtualization A means of managing and presenting computer resources by function without regard to their physical layout or location.
How many layers does the TCP/IP architecture use? Four
What are the valid Internet Control Message Protocol (ICMP) Type 3 error messages? Network unreachable, Host unreachable, Protocol unreachable, Source route failed, Destination network unknown, Destination host unknown, Communication with destination network administratively prohibited, and Host unreachable for type of service.
Name the attacks use ICMP? Network discovery, Smurf DoS attack, ICMP redirect attack, and Ping of Death
Created by: Anne Louis Anne Louis on 2012-03-03



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