osi network layer ppt

Ngày tải lên: 22/12/2013, 13:17

Ngày tải lên: 05/03/2014, 21:20

Ngày tải lên: 06/03/2014, 12:20

Ngày tải lên: 21/06/2014, 14:20

Ngày tải lên: 21/06/2014, 14:20

Ngày tải lên: 21/06/2014, 18:20

Ngày tải lên: 27/06/2014, 01:21

... link Network Layer 4-11 Network layer connection and connection-less service ❒ datagram network provides network- layer connectionless service ❒ VC network provides network- layer connection service ❒ analogous ... conventions ICMP protocol •error reporting • router “signaling” Transport layer: TCP, UDP Link layer physical layer Network layer Network Layer 4-41 IP addressing: CIDR CIDR: Classless InterDomain Routing ❍ subnet ... loss) no congestion no congestion yes no Guarantees ? Network Layer 4-31 The Internet Network layer forwarding table Host, router network layer functions: Routing protocols •path selection • RIP,...

Ngày tải lên: 12/09/2012, 15:06

... supposed that 2 IP sub -network share physically the same LAN. The stations on each sub -network then will see circulating all the packets diffused on the physic network. 1 The network layer Addressing ... rental lease) 7 - Engineers network link: 2B-14-62-91-C9-B1 - Engineers network link towards the external router: 2B-14-62-3F-39-21 - Commercial network link: 1C-96-AA-F4-C2-91 - Commercial network link towards ... 194.12.230.140. 1. Propose a mask of sub -network for the network of company. 194.12.230.0 is a Class C address, the last byte must be used to encode the numbers of sub -network and the numbers of hosts...

Ngày tải lên: 17/09/2012, 09:13

... Using Business Desk 44 Review 55 Module 5: Managing the Business Logic Layer Module 5: Managing the Business Logic Layer 3 HTTP: A Stateless Protocol  State: Information or data that ... customers. 22 Module 5: Managing the Business Logic Layer Using Application Center 2000  Features  Simplified cluster operations - Network load balancing - Component load balancing - Request ... the configuration of load-balancing options. The load-balancing options include: • Network load balancing Network load balancing (NLB) is a clustering technology that is offered as part of...

Ngày tải lên: 10/12/2013, 16:16

... Interface The Network Interface layer of the DoD model corresponds to the lowest level of the TCP/IP protocol architecture and correlates to Layers 1 and 2 in the OSI model.The Network Interface layer ... defines four layers starting at the network cable (or interface) and working its way up: ■ Network Interface ■ Internet (or Internetworking) ■ Host to Host (or Transport) ■ Application Each layer is ... later in this chapter. Layer Four: Application The Application layer of the DoD model operates at the Session, Presentation, and Application layers of the OSI model.This layer enables applications...

Ngày tải lên: 10/12/2013, 17:15

... Ethernet services • Carrier-class TDM over packet networks • Protection from network failures • LoopStar 700 in-band or out-of-board management • Network processor-based architecture • Compact, ... Extending the Metro Network Further Service providers must be able to deliver a diverse mix of services to all customers—regardless of the capacity size or location—across any type of network. Yet ... providers to create a secure, reliable network that resolves today’s multiservice challenges while setting the stage for migration to next-generation networking. 2 w w w . a d c . c o m • +...

Ngày tải lên: 10/12/2013, 19:15

... Comprehensive Guide to Network Security page 33 Network Layer The network layer describes how systems on different network segments find each other; it also defines network addresses. A network address ... to serialize network devices (like network cards or networking hardware) and is a unique identifier that distinguishes it from any other networking device in the world. No two networking devices ... “More on the Network Layer later in this chapter. Transport Layer The transport layer deals with the actual manipulation of your data and prepares it for delivery through the network. If...

Ngày tải lên: 11/12/2013, 03:15

... 10:13:49 AM Color profile: Generic CMYK printer profile Composite Default screen ✓ TWO-MINUTE DRILL Cisco’s Networking Products ❑ When choosing a network product, consider: is it easy to install/support, ... printer profile Composite Default screen SELF TEST ANSWERS Cisco’s Networking Products 1. D. The amount of memory is not, typically, an important item when choosing between different networking products. ý ... profile Composite Default screen CERTIFICATION SUMMARY When choosing a networking product, you should consider ease-of-use, features and functions, capacity, reliability, and management. When choosing...

Ngày tải lên: 11/12/2013, 13:15

... C. Increase the Network Monitor buffer size setting. D. Decrease the Network Monitor buffer size setting. E. Increase the Network Monitor frame size setting. F. Decrease the Network Monitor ... B. Run Network Monitor in dedicated capture mode. C. Configure a Network Monitor capture filter. D. Increase the buffer size in Network Monitor. Answer: B Dedicated capture mode, Network ... protocol. Network Monitor also makes it possible for a user to design a capture trigger to initiate a specified action when Network Monitor detects a particular set of conditions on the network. ...

Ngày tải lên: 11/12/2013, 14:15

... 802.1X The 802.1X standard defines port-based network access control to provide authenticated network access for Ethernet networks. This port-based network access control uses the physical characteristics ... visible network is now a more preferred network according to the policy’s list of preferred networks). In all other cases, the association does not change. • If a GPO that contains wireless network ... for clients (for example, whether a network key is provided for wireless network adapters). 9. To specify that the network is a computer-to-computer (ad hoc) network, click to select the This...

Ngày tải lên: 11/12/2013, 14:15

... wireless networks, cryptographic keys need to be used to individually choose which devices should be connected to a network. Devices allowed onto a network would be given the key to use that network. ... coverage networking, as with wireless or power-line networking, might also restrict the number of networks the homeowner could define. With individual wires, the homeowner can set up separate networks ... only a wired network and have no other security. If such a home network uses wireless networking, one can make sure that link encryption is used to enforce the policy that only home network devices...

Ngày tải lên: 11/12/2013, 15:15

... in the output layer (feature level) equals the number of features, like the input layer. Each neuron in the second hidden layer is connected to the output layer neurons. The output layer neurons ... input layer, the feature vectors are fed into the first hidden layer, referred to as the feature family layer . The second hidden layer corresponds to manufacturing resources. The output layer ... Competitive Learning Model Competitive learning models use a network consisting of two layers — an input layer and an output layer — which are fully connected, as shown in Figure 4.6. First,...

Ngày tải lên: 17/12/2013, 06:15

... thấy được nhau ta phải tạo các VPN Network Connection Bạn vào Network Connections của từng VPN Server chọn New Connection Winzard Chọn tiếp Connect to the network at my workplace 12 of 34 Nhập ... Public của mạng kia trong bài chính là 192.168.1.1 Trong cửa sổ Network Connections của PC01 xuất hiện thêm icon VPN với giao thức PPTP 14 of 34 Kết quả cho thấy màn hình ta đang làm việc là màn ... Server Tiếp tục cấu hình VPN cho máy Client Bạn vào Network Connections của máy Client chọn New Connection Winzard Chọn tiếp Connect to the network at my workplace 31 of 34 Nhập IP Public của...

Ngày tải lên: 17/12/2013, 13:15