osi network layer chapter 5

... 39 Network Layer Protocols and Internet Protocol (IP) Học viện mạng Bách khoa - Website: www.bkacad.com 3 • Define the basic role of the Network Layer in data networks • The protocols of the OSI ... to 5. 1.1 ) Network Layer Fields Học viện mạng Bách khoa - Website: www.bkacad.com 14 • 8 bits • Specifies the level of importance that has been assigned by upper -layer protocol Routing and Layer ... the control communication between the Data Link layer and the Network layer is the establishment of a maximum size for the packet. Network Layer Fields Học viện mạng Bách khoa - Website:...

Ngày tải lên: 22/12/2013, 13:17

Ngày tải lên: 05/07/2014, 00:20

Ngày tải lên: 06/07/2014, 23:20

... 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 electrical, optical, ... context to give them meaning to the upper layers of the networking model. This framing method can be provided by the Data Link layer, the Physical layer, or by both. • Signal patterns can indicate: ... cable television signals. Characteristics & Uses of Network Media Học viện mạng Bách khoa - Website: www.bkacad.com Chapter 8 - OSI Physical Layer CCNA Exploration 4.0CCNA Exploration 4.0 Học...

Ngày tải lên: 22/12/2013, 13:17

... appear in an e-mail. Summary Học viện mạng Bách khoa - Website: www.bkacad.com 45 Chapter 4 - OSI Transport Layer CCNA Exploration version 4.0CCNA Exploration version 4.0 Flow Control When datagrams ... mạng Bách khoa - Website: www.bkacad.com 25 Transport Layer Role and Services Học viện mạng Bách khoa - Website: www.bkacad.com 9 • At the Transport layer the three basic operations of reliability ... viện mạng Bách khoa - Website: www.bkacad.com 29 Transport Layer Role and Services • Describe the role of segments in the transport layer and the two principle ways segments can be marked for...

Ngày tải lên: 22/12/2013, 13:17

... 1999 URL:http://mike.passwall.com/networking/netmodels/isoosi7layermodel.html [4] R Feig, “The OSI Reference Model”, Date Unknown, URL:http://www2.rad.com/networks/1994 /osi/ osi.htm [5] H S Ha, OSI 7 Layer , 2000 URL:http://userpages.umbc.edu/~hha1 /network/ protocol.html [6] ... Room Author retains full rights. Page 9 Applying the OSI seven -layer model to Information Security Layer Three - Network Layer The Network layer is concerned with the global topology of the internet ... Applying the OSI seven -layer model to Information Security Layer Six- Presentation Layer The Presentation Layer deals with the organization of data passed from the application layer into the network. ...

Ngày tải lên: 05/03/2014, 21:20

... discussed in this section: 19.7 Numbering systems are reviewed in Appendix B. Note 19.1 Chapter 19 Network Layer: Logical Addressing Copyright © The McGraw-Hill Companies, Inc. Permission required ... 19.3 Solution a. There must be no leading zero (0 45) . b. There can be no more than four numbers. c. Each number needs to be less than or equal to 255 . d. A mixture of binary notation and dotted-decimal ... dots for separation. 19.48 Figure 19.13 An ISP and NAT 19.31 Figure 19.4 A network configuration for the block 2 05. 16.37.32/28 19.30 c. The number of addresses can be found by complementing...

Ngày tải lên: 06/03/2014, 12:20

... section: 20 .5 Figure 20.3 Network layer at the source, router, and destination 20. 25 Figure 20.9 Maximum transfer unit (MTU) 20.44 Table 20.9 Comparison between IPv4 and IPv6 packet headers 20. 35 Figure ... IPv6 20.1 Chapter 20 Network Layer: Internet Protocol Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 20.23 In an IPv4 packet, the value of HLEN is 5, and ... packet is carrying 20 bytes of data (40 20).− Example 20.3 20 .50 Figure 20.20 Tunneling strategy 20.7 Switching at the network layer in the Internet uses the datagram approach to packet switching. Note 20.9 20-2...

Ngày tải lên: 06/03/2014, 12:20

... multicast address is shown in color. Any packet with a multicast address from 224.0.0.0 to 239. 255 . 255 . 255 is masked and delivered to the Ethernet interface. Example 21.9 21.40 Figure 21.19 Example ... time was 0.9 95 ms, the second was 0.899 ms, and the third was 0.878 ms. The second line shows the second router visited. The router is named Dbackup.fhda.edu with IP address 153 .18. 251 .4. The ... 0.0.0.0. Note 21. 15 ICMP always reports error messages to the original source. Note 21.28 The first line shows the first router visited. The router is named Dcore.fhda.edu with IP address 153 .18.31. 254 ....

Ngày tải lên: 06/03/2014, 12:20

Ngày tải lên: 06/03/2014, 12:20

Ngày tải lên: 21/06/2014, 14:20

Ngày tải lên: 27/06/2014, 05:20

Ngày tải lên: 06/07/2014, 06:21

... 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 ... link physical network data link physical network data link physical network data link physical network data link physical network data link physical network data link physical application transport network data link physical application transport network data...

Ngày tải lên: 12/09/2012, 15:06

... sub -network. - 194.12.230.0/ 255 . 255 . 255 .192 Administrative sub network address range: 194.12.230.1 (00 000001) has 194.12.230.62 (00 111110) - Engineers in 194.12.230.64/ 255 . 255 . 255 .192 network ... 194.12.230.192/ 255 . 255 . 255 .192 in interconnection network address range: 194.12.230.193 (10 000001) has 194.12.230. 254 (01 111110) 4. Trace a network diagram of the company by making appear the host of the network ... for three sub-networks the subnet mask is complete: 255 . 255 . 255 .192. 2. Calculate the total number of host which can contain each sub -network. 62 hosts per subnet 3. Affect a number of sub-networks...

Ngày tải lên: 17/09/2012, 09:13

... 79 149 U n i q U e s e r v i c e P r o c e d U r e s 150 151 Checking Oil Pressure • Remove the engine oil pressure sensor (EOP) from the oil cooler. • ... perform the job at hand. • Tool # 310- 158 (fuel caps) Fuel Rail Caps Fuel Injector Caps Fuel Filter Lid Fuel Filter Element Oil Filter Lid Oil Filter Element 75 137 U n i q U e s e r v i c e P r ... filter lid to the specified torque. NOTE: Before starting the vehicle, turn the key to the on position for 30 seconds, then key off. Do this 6 times to ensure the fuel filter housing is full...

Ngày tải lên: 20/10/2012, 08:08

... length depends on the position of the pivot point which is easily adjusted, even during rotation, by rotating the eccentric shaft. 157 Sclater Chapter 5 5/3/01 11:46 AM Page 157 138 LINKAGE RATIOS ... pressures. The screw head is welded to the washer for a leaktight joint. Sclater Chapter 5 5/3/01 11: 45 AM Page 1 35 129 Fig. 5 This sleeve bearing, consisting of a hardened sleeve, balls, and retainer, ... rotation. The output is fed through a gear differential to convert it to a positive number. Sclater Chapter 5 5/3/01 11:46 AM Page 159 This drive multiplies the finger force of a type- writer, producing...

Ngày tải lên: 22/10/2012, 14:26

... phẩm Chương 5 CHIẾN LƯC SẢN PHẨM 17 7. PHÁT TRIỂN SẢN PHẨM MỚI * Mới đối với thế giới * Họ sản phẩm mới * Bổ sung cho họ sản phẩm hiện tại * Cải tiến các sản phẩm hiện tại * Tái định vị (repositioning): ... Thu hút nhóm khách hàng trung thành; * Giúp phân khúc thị trường; * Tạo dựng hình ảnh công ty. 25 • Sản phẩm: Tính năng, công dụng, tiện ích, bền vững, an toàn, cơ động, kiểu dáng, thiết kế. • Dịch ... chất: * Các thuộc tính không thuộc cấu tạo vật chất của sản phẩm * Do các nỗ lực tiếp thị tạo ra 15 Nhóm sản phẩm : Bao gồm nhiều sản phẩm có quan hệ chặt chẽ với nhau, do: • * Chức năng tương...

Ngày tải lên: 25/10/2012, 08:58