Security+ Guide to Network Security Fundamentals
... Encrypts and encapsulates a network protocol within packets carried by second network Best-known example: virtual private networks Replacing WAN links because of security and low cost An option for most IP connectivity requirements ...
... Encrypts and encapsulates a network protocol within packets carried by second network Best-known example: virtual private networks Replacing WAN links because of security and low cost An option for most IP connectivity requirements ...
Chap 11: Network Security Topologies
... through untrusted/shared network infrastructure Encrypts and encapsulates a network protocol within packets carried by second network Best-known example: virtual private networks Replacing WAN links because of security and low cost An option for most IP connectivity requirements ...
... through untrusted/shared network infrastructure Encrypts and encapsulates a network protocol within packets carried by second network Best-known example: virtual private networks Replacing WAN links because of security and low cost An option for most IP connectivity requirements ...
No Slide Title
... Packet-switching Connectionless Unreliable Best-effort delivery Depends on TCP to provide error checking and reliability ...
... Packet-switching Connectionless Unreliable Best-effort delivery Depends on TCP to provide error checking and reliability ...
Data Transmission Review
... 9. With data masses divided into ______________, individual transmissions occur more frequently so that every computer on the network has more opportunities to transmit and receive data. 10. Packets may contain session-control codes, such as error correction, that indicate the need for a ___________ ...
... 9. With data masses divided into ______________, individual transmissions occur more frequently so that every computer on the network has more opportunities to transmit and receive data. 10. Packets may contain session-control codes, such as error correction, that indicate the need for a ___________ ...
Data Communications Data Communications Features
... signals back to a number of earth-based stations Transmitted waves can be received on the all ground through a satellite antenna. Æ security issue ...
... signals back to a number of earth-based stations Transmitted waves can be received on the all ground through a satellite antenna. Æ security issue ...
PSTN-Internet Convergence with QoS and Wireless Applications
... (Sometimes an incomplete version of the function provided by the communication system may be useful as a performance enhancement.) (J. H. Saltzer et al., “End-to-end Arguments in System Design”) ...
... (Sometimes an incomplete version of the function provided by the communication system may be useful as a performance enhancement.) (J. H. Saltzer et al., “End-to-end Arguments in System Design”) ...
ITGS
... – The thin client merely acts as a terminal for accepting input and displaying output • The client only contains enough software to initialize the hardware and network connection, and connect to the server • Because this is all they do, clients have very low specifications – No secondary storage – S ...
... – The thin client merely acts as a terminal for accepting input and displaying output • The client only contains enough software to initialize the hardware and network connection, and connect to the server • Because this is all they do, clients have very low specifications – No secondary storage – S ...
Internet History and Architectural Principles
... Layering to combat complexity Explicit structure allows identification, relationship of complex system’s pieces layered reference model for discussion Modularization eases maintenance, updating of system change of implementation of layer’s service transparent to rest of system e.g., chang ...
... Layering to combat complexity Explicit structure allows identification, relationship of complex system’s pieces layered reference model for discussion Modularization eases maintenance, updating of system change of implementation of layer’s service transparent to rest of system e.g., chang ...
William Stallings Data and Computer Communications
... Ñ Dedicated communications path established for the duration of the conversation Ñ e.g. telephone network ...
... Ñ Dedicated communications path established for the duration of the conversation Ñ e.g. telephone network ...
Document - Oman College of Management & Technology
... Use Cable Modems • Use coaxial cable to carry TV signal and High speed Internet access ...
... Use Cable Modems • Use coaxial cable to carry TV signal and High speed Internet access ...
Computer networks and the Internet
... In 1832, James Lindsay gave a classroom demonstration of wireless telegraphy via conductive water to his students. By 1854, he was able to demonstrate a transmission across the Firth of Tay from Dundee, Scotland, to Woodhaven, a distance of about two miles (3 km), again using water as the transmissi ...
... In 1832, James Lindsay gave a classroom demonstration of wireless telegraphy via conductive water to his students. By 1854, he was able to demonstrate a transmission across the Firth of Tay from Dundee, Scotland, to Woodhaven, a distance of about two miles (3 km), again using water as the transmissi ...
networks
... • Networks used in business are often client/server networks where users login in to access the server. The server is run by an administrator who ensures that backups are done on a regular basis. • Business may also use intranets or private web sites not accessible to the public in order to make inf ...
... • Networks used in business are often client/server networks where users login in to access the server. The server is run by an administrator who ensures that backups are done on a regular basis. • Business may also use intranets or private web sites not accessible to the public in order to make inf ...
Test your knowledge
... Twisted-pair wire is used for telephone systems. Coaxial cable is used for cable television. It can be cabled over longer distances that twisted-pair cable can. 27. What advantages does fibre optics have over wire cables? The advantages fibre optic cables have over wire cables is; ...
... Twisted-pair wire is used for telephone systems. Coaxial cable is used for cable television. It can be cabled over longer distances that twisted-pair cable can. 27. What advantages does fibre optics have over wire cables? The advantages fibre optic cables have over wire cables is; ...
Communications and networking history and background Internet
... • a LAN connects computers ("hosts") in a small geographical area • Ethernet is the most widely used LAN technology – developed by Bob Metcalfe & David Boggs at Xerox PARC, 1973 – each host has a unique 48-bit identification number – data sent from one host to another in "packets" of 100-1500 b ...
... • a LAN connects computers ("hosts") in a small geographical area • Ethernet is the most widely used LAN technology – developed by Bob Metcalfe & David Boggs at Xerox PARC, 1973 – each host has a unique 48-bit identification number – data sent from one host to another in "packets" of 100-1500 b ...
Topics discussed in this section
... A network is a set of devices (often referred to as nodes) connected by communication links. A node can be a computer, printer, or any other device capable of sending and/or receiving data generated by other nodes on the network. Topics discussed in this section: Distributed Processing Network Cri ...
... A network is a set of devices (often referred to as nodes) connected by communication links. A node can be a computer, printer, or any other device capable of sending and/or receiving data generated by other nodes on the network. Topics discussed in this section: Distributed Processing Network Cri ...
Introduction to Networking & telecommunications
... Packets are short (averaging a few hundred bytes) because networking devices handle short messages more efficiently ...
... Packets are short (averaging a few hundred bytes) because networking devices handle short messages more efficiently ...
Extended Learning Module E
... to access a wired network using radio waves. (WiFi, Wireless Fidelity, IEEE 802.11b, 802.11a, 802.11g, 802.11n, or Bluetooth) ...
... to access a wired network using radio waves. (WiFi, Wireless Fidelity, IEEE 802.11b, 802.11a, 802.11g, 802.11n, or Bluetooth) ...