ccna exploration chapter 4 osi transport layer

... www.bkacad.com 45 Chapter 4 - OSI Transport Layer CCNA Exploration version 4. 0CCNA Exploration version 4. 0 Flow Control When datagrams arrive too quickly for a host or gateway to process and the transport ... Học viện mạng Bách khoa - Website: www.bkacad.com 29 Transport Layer Role and Services ã Describe the role of segments in the transport layer and the two principle ways segments can be marked ... mạng Bách khoa - Website: www.bkacad.com 25 Transport Layer Role and Services Học viện mạng Bách khoa - Website: www.bkacad.com 9 ã At the Transport layer the three basic operations of reliability...

Ngày tải lên: 22/12/2013, 13:17

... viện mạng Bách khoa - Website: www.bkacad.com Chapter 8 - OSI Physical Layer CCNA Exploration 4. 0CCNA Exploration 4. 0 Học viện mạng Bách khoa - Website: www.bkacad.com Characteristics & ... been segmented by the Transport layer, placed into packets by the Network layer, and further encapsulated as frames by the Data Link layer. The purpose of the Physical layer is to create the ... to transport high RF signals, especially cable television signals. Characteristics & Uses of Network Media Học viện mạng Bách khoa - Website: www.bkacad.com Chapter 8 - OSI Physical Layer CCNA...

Ngày tải lên: 22/12/2013, 13:17

... Network Layer in data networks ã The protocols of the OSI model Network layer specify addressing and processes that enable Transport layer data to be packaged and transported. The Network layer ... known as routing. 4. Decapsulation Học viện mạng Bách khoa - Website: www.bkacad.com 4 ( Refer to 5.1.1 ) Network Layer Fields Học viện mạng Bách khoa - Website: www.bkacad.com 14 ã 8 bits ã Specifies ... size for the packet. Network Layer Fields Học viện mạng Bách khoa - Website: www.bkacad.com 13 ã 4 bits ã Indicates datagram header length in 32 bit words Network Layer Fields Học viện mạng Bách...

Ngày tải lên: 22/12/2013, 13:17

Ngày tải lên: 22/06/2014, 16:20

... Học viện mạng Bách khoa - Website: www.bkacad.com Chapter 3 - Application Layer Functionalityand Protocols CCNA Exploration 4. 0CCNA Exploration 4. 0 DNS - Example Học viện mạng Bách khoa - Website: ... Describe how the TCP/IP Application Layer protocols provide the services specified by the upper layers of the OSI model. ã Define how people use the Application Layer to communicate across the ... packet 33 DHCP Server1 broadcasts a DHCPACK packet 44 DHCP Client DHCP Server1 Overview ã Describe how the functions of the three upper OSI model layers provide network services to end user applications. ã...

Ngày tải lên: 12/12/2013, 14:15

... communications. Học viện mạng Bách khoa - Website: www.bkacad.com Chapter 2 - Communicating over the Network CCNA Exploration 4. 0CCNA Exploration 4. 0 End Devices and their Role on the Network ã The network ... that are compatible with other networks. ã The Open System Interconnection (OSI) reference model released in 19 84 was the descriptive network model that the ISO created. ã It provided vendors ... Communication Servers and Modems. – Security Devices (firewalls). The TCP/IP Model ã The first layered protocol model for internetwork communications was created in the early 1970s and is referred...

Ngày tải lên: 12/12/2013, 14:15

... Networks Hc vin mng Bỏch khoa - Website: www.bkacad.com Chapter 1 - Living in a Network Centric World CCNA Exploration 4. 0CCNA Exploration 4. 0 Học viện mạng Bách khoa - Website: www.bkacad.com ... Website: www.bkacad.com Networks Supporting the Way We Live ã Data networks that were once the transport of information from business to business have been repurposed to improve the quality...

Ngày tải lên: 12/12/2013, 14:15

... IP (VoIP) – Routing multiple Layer 3 Basic Network Media Required to Make a LAN Connection Học viện mạng Bách khoa - Website: www.bkacad.com – Routing multiple Layer 3 protocols Special services ... construction. Electromagnetic Interference/Radio Frequency Interference ã Must be considered when choosing a media type. ã Interference can be produced by electrical machines, lighting, and other ... lightweight, flexible, small diameter, which allows it to fit into small spaces. The connectors, RJ -45 plugs: easy to install. ã Fiber-optic cables: contain a thin glass fiber. Crimps or sharp bends...

Ngày tải lên: 22/12/2013, 13:17

... and wavelength of the optical signal. Layer 2 addressing and its Impact on Network Operation and Performance Data Link Layer ã OSI Data Link layer (Layer 2) physical addressing, implemented ... addressing and its Impact on Network Operation and Performance Network Layer ã Network layer (Layer 3) addresses, such as IPv4 addresses, provide the ubiquitous, logical addressing that is understood ... is the lower Ethernet sublayer of the Data Link layer. MAC is implemented by hardware, typically in the computer Network Interface Card (NIC). ã The Ethernet MAC sublayer has two primary responsibilities: ...

Ngày tải lên: 22/12/2013, 13:17

... Connecting Upper Layer Services to the Media 11 ã To support a wide variety of network functions, the Data Link layer is often divided into two sublayers: an upper sublayer and an lower sublayer. – ... Internetwork 44 Học viện mạng Bách khoa - Website: www.bkacad.com Data Link Layer Protocols- The Frame 38Học viện mạng Bách khoa - Website: www.bkacad.com Overview Upon completion of this chapter, ... signal paths are defined by Data Link layer protocols. ã The Data Link layer "sees" the logical topology of a network when 24 ã The Data Link layer "sees" the logical topology...

Ngày tải lên: 22/12/2013, 13:17

... Server Telnet 19 Transport Layer TCP UDP 4  Transport Layer: Responsible for creating and maintaining a logical connection between the endpoints  What are the two protocols at the transport layer? TCP ... expires Receive buffers are increasing, less bits to process. 44  Step 1: Client sends ISN, SEQ=8563 (last four digits) Transport Layer www.cisco.com TCP Segment 7  Primary responsibilities: Tracking ... to the application layer protocol (example TFTP) to decide what to do, such as prompt the user to download/upload the entire file again. Total: 1111101111111111 Transport Layer Overview Client...

Ngày tải lên: 01/04/2014, 12:20

... into a Layer 2 or Layer 3 service. 4- 48 Cisco 7600 Series Ethernet Services Plus (ES+) and Ethernet Services Plus T (ES+T) Line Card Configuration Guide OL-16 147 - 04 Chapter 4 Configuring Layer ... page 4- 27 ã EVC On Port-Channel, page 4- 36 ã LACP Support for EVC Port Channel, page 4- 40 ã DHCP Snooping with Option-82 on EVC, page 4- 44 ã IP Source Guard for Service Instance, page 4- 49 ã ... submode. 4- 44 Cisco 7600 Series Ethernet Services Plus (ES+) and Ethernet Services Plus T (ES+T) Line Card Configuration Guide OL-16 147 - 04 Chapter 4 Configuring Layer 1 and Layer 2 Features ...

Ngày tải lên: 25/01/2014, 11:20

... with networking skills will continue to grow. Living in a Network Centric World CCNA Exploration Semester 1 Chapter 1 Security 39  The security and privacy expectations that result from the ... national borders, geographic distances, and physical limitations become less relevant. 14 Trends 49  Three major trends that are contributing to the future shape of complex information networks: Increasing ... lives http://www.youtube.com/watch? 13 http://www.youtube.com/watch? v=fQKNvPn3V- 8&mode=related&search= Chapter 1 Chapter 1 Living in a Network Centric World Architecture of the Internet ...

Ngày tải lên: 01/04/2014, 12:20

... Exploration Semester 1 OSI network layer CCNA Exploration Semester 1 1 17-Jul-12 CCNA Exploration Semester 1 CCNA Exploration Semester 1 Chapter 5 The End 49 17-Jul-12 CCNA Exploration Semester ... together. 18 17-Jul-12 CCNA Exploration Semester 1 Message to same network 28 17-Jul-12 CCNA Exploration Semester 1 Labs 48 17-Jul-12 CCNA Exploration Semester 1 A Quick Look at Routing 32 17-Jul-12 CCNA Exploration ... networks of networks 26 17-Jul-12 CCNA Exploration Semester 1 Network layer encapsulation Segment from transport layer Packet header added to make 13 17-Jul-12 CCNA Exploration Semester 1 Packet...

Ngày tải lên: 01/04/2014, 12:20

... 192.168.255.255 (192.168.0.0/ 24) Subnet chart 48 23-Jul-12 11001111 to decimal 128 64 32 16 8 4 2 1 1 1 0 0 1 1 1 1 128 64 8 4 2 1 1023-Jul-12 128 64 8 4 2 1 128 + 64 + 8 + 4 + 2 + 1 207 207 Ping ... addresses  Ping and Traceroute Utilities 01010101 to decimal 128 64 32 16 8 4 2 1 0 1 0 1 0 1 0 1 64 16 4 1 923-Jul-12 64 16 4 1 64 +16 + 4 + 1 85 85 192.168.1.70/28 Last octet binary Last octet ... 00000000 00010000 00100000 00110000 10000000 10010000 10100000 10110000 44 23-Jul-12 192.168.1 .48 192.168.1. 64 192.168.1.80 192.168.1.96 192.168.1.112 192.168.1.176 192.168.1.192 192.168.1.208 192.168.1.2 24 192.168.1. 240 00110000 01000000 01010000 01100000 01110000 10110000...

Ngày tải lên: 01/04/2014, 12:20

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Ngày tải lên: 27/06/2014, 16:20

Ngày tải lên: 06/07/2014, 06:21

Ngày tải lên: 28/07/2014, 18:21