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Exchange

There are 8 entries for the tag Exchange
Computer Networks UNISA - Chap 8 – Wireless Networking
After reading this section you should be able to Explain how nodes exchange wireless signals Identify potential obstacles to successful transmission and their repercussions, such as interference and reflection Understand WLAN architecture Specify the characteristics of popular WLAN transmission methods including 802.11 a/b/g/n Install and configure wireless access points and their clients Describe wireless MAN and WAN technologies, including 802.16 and satellite communications The Wireless Spectrum...

Posted On Saturday, April 07, 2012 12:30 PM | Feedback (0) |

Computer Networks UNISA - Chap 10 – In Depth TCP/IP Networking
After reading this section you should be able to Understand methods of network design unique to TCP/IP networks, including subnetting, CIDR, and address translation Explain the differences between public and private TCP/IP networks Describe protocols used between mail clients and mail servers, including SMTP, POP3, and IMAP4 Employ multiple TCP/IP utilities for network discovery and troubleshooting Designing TCP/IP-Based Networks The following sections explain how network and host information in...

Posted On Saturday, April 07, 2012 9:51 AM | Feedback (0) |

Organizations & Architecture UNISA Studies – Chap 7
Learning Outcomes Name different device categories Discuss the functions and structure of I/.O modules Describe the principles of Programmed I/O Describe the principles of Interrupt-driven I/O Describe the principles of DMA Discuss the evolution characteristic of I/O channels Describe different types of I/O interface Explain the principles of point-to-point and multipoint configurations Discuss the way in which a FireWire serial bus functions Discuss the principles of InfiniBand architecture External...

Posted On Saturday, March 17, 2012 12:28 PM | Feedback (0) |

Organization & Architecture UNISA Studies – Chap 3
Computer Components Virtually all contemporary computer designs are based on concepts developed by John von Neumen, which includes the following three concepts… Data and instructions are stored in a single read-write memory The contents of this memory are addressable by location, without regard to the type of data contained there Execution occurs in a sequential fashion (unless explicitly modified) from one instruction to the next Keep in mind that software and hardware are typically interchangeable...

Posted On Wednesday, February 08, 2012 5:41 AM | Feedback (0) |

Computer Networks UNISA - Chap 4 – Introduction to TCP/IP
After reading this chapter you should be able to Identify and explain the functions of the core TCP/IP protocols Explain how the TCP/IP protocols correlate to layers of the OSI model Discuss addressing schemes for TCP/IP in IPv4 and IPv6 Describe the purpose and implementation of DNS and DHCP Identify the well-known ports for key TCP/IP services Describe common Application layer TCP/IP protocols Characteristics of TCP/IP (Transmission Control Protocol / Internet Protocol) TCP/IP is a suite of specialized...

Posted On Monday, January 23, 2012 6:30 AM | Feedback (0) |

Computer Networks UNISA - Chap 7 – WANS and Remote Connectivity
After reading this you should be able to Identify a variety of uses for WANs Explain different WAN topologies, including their advantages and disadvantages Compare the characteristics of WAN technologies, including their switching type, throughput, media, security, and reliability Describe several WAN transmission and connection methods, including PSTN, ISDN, T-carriers, DSL, broadband cable, ATM and SONET Describe multiple methods for remotely connecting to a network WAN Essentials A WAN is a network...

Posted On Monday, January 23, 2012 6:27 AM | Feedback (0) |

Computer Networks UNISA - Chap 6 – Network Hardware
After reading this you should be able to Identify the functions of LAN connectivity hardware Install, configure, and differentiate between network devices such as NAIC’s, hubs, bridges, switches, routers, and gateways Explain the advanced features of a switch and understand popular switching techniques, including VLAN management Explain the purposes and properties of routing Describe common IPv4 and IPv6 routing protocols NICs (Network Interface Cards) Are connectivity devices that enable a workstation,...

Posted On Saturday, January 14, 2012 7:01 PM | Feedback (0) |

Computer Networks UNISA – Chap 2 - Networking Standards and the OSI Models
After reading this chapter you should be able to Identify organizations that set standards for networking Describe the purpose of the OSI model and each of its layers Explain specific functions belonging to each OSI model layer Understand how two network nodes communicate through the OSI model Discuss the structure and purpose of data packets and frames Describe the two types of addressing covered by the OSI model Networking Standards Organizations What are standards? Standards are documented agreements...

Posted On Saturday, January 07, 2012 1:20 PM | Feedback (2) |

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