ccna chapter 5 osi network layer
Tài liệu Chapter 5 - OSI Network Layer CCNA Exploration version 4.0 ppt
... a destination network H c vi n m ng Bách khoa - Website: www.bkacad.com Network Layer Protocols and Internet Protocol (IP) • • Define the basic role of the Network Layer in data networks The protocols ... networks 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 encapsulation allows its ... need to know network portion (network address) to indicate the best path to reach the network H c vi n m ng Bách khoa - Website: www.bkacad.com 35 Routing Protocols • Routing is an OSI Layer function...
Ngày tải lên: 22/12/2013, 13:17
Tài liệu Chapter 8 - OSI Physical Layer CCNA Exploration 4.0 pdf
... www.bkacad.com Physical Layer Protocols & Services • The OSI Physical layer provides the means to transport across the network media the bits that make up a Data Link layer frame H c vi n m ng ... Physical layer signaling and encoding as they are used in networks Identify the basic characteristics of copper, fiber and wireless network media Describe common uses of copper, fiber and wireless network ... receiver circuitry on the network devices At this stage of the communication process, the user data has been segmented by the Transport layer, placed into packets by the Network layer, and further encapsulated...
Ngày tải lên: 22/12/2013, 13:17
Tài liệu Chapter 4 - OSI Transport Layer CCNA Exploration version 4.0 docx
... Website: www.bkacad.com Transport Layer Role and Services • Explain the purpose of the Transport layer • Enables multiple applications • • to communicate over the network at the same time on a single ... ng Bách khoa - Website: www.bkacad.com Transport Layer Role and Services • Major functions of the transport layer and the role it plays in data networks – Tracking the individual communication ... Overview • • • • Explain the role of Transport Layer protocols and services in supporting communications across data networks Analyze the application and operation of TCP mechanisms...
Ngày tải lên: 22/12/2013, 13:17
SANS Institute InfoSec Reading Room: Applying the OSI Seven Layer Network Model To Information Security pptx
... 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 Layer , 2000 URL:http://userpages.umbc.edu/~hha1 /network/ protocol.html ... Applying the OSI seven -layer model to Information Security Layer Four - Transport Layer fu ll r igh ts The Transport Layer is concerned with the transmission of data streams into the lower layers of ... Applying the OSI seven -layer model to Information Security Layer Six- Presentation Layer fu ll r igh ts The Presentation Layer deals with the organization of data passed from the application layer into...
Ngày tải lên: 05/03/2014, 21:20
Chapter 19 Network Layer: Logical Addressing potx
... addresses 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 ... a 00000001 00001011 00001011 11101111 b 11000001 10000011 00011011 11111111 c 14.23.120.8 d 252 .5. 15. 111 Solution a The first bit is This is a class A address b The first bits are 1; the third ... 19.30 Figure 19.4 A network configuration for the block 2 05. 16.37.32/28 19.31 Note The first address in a block is normally not assigned to any device; it is used as the network address that...
Ngày tải lên: 06/03/2014, 12:20
Chapter 20 Network Layer: Internet Protocol pot
... Internet as a Datagram Network Internet as a Connectionless Network 20.2 Figure 20.1 Links between two hosts 20.3 Figure 20.2 Network layer in an internetwork 20.4 Figure 20.3 Network layer at the source, ... 20-1 INTERNETWORKING In this section, we discuss internetworking, connecting networks together to make an internetwork or an internet Topics discussed in this section: Need for Network Layer Internet ... the source, router, and destination 20 .5 Figure 20.3 Network layer at the source, router, and destination (continued) 20.6 Note Switching at the network layer in the Internet uses the datagram...
Ngày tải lên: 06/03/2014, 12:20
Chapter 21 Network Layer: Address Mapping, Error Reporting, and Multicasting pdf
... with a multicast address from 224.0.0.0 to 239. 255 . 255 . 255 is masked and delivered to the Ethernet interface 21 .50 Example 21.9 (continued) 21 .51 ... 130.23.43. 25 and physical address A4:6E:F4 :59 :83:AB The two hosts are on the same Ethernet network Show the ARP request and reply packets encapsulated in Ethernet frames Solution Figure 21 .5 shows ... of bytes as 64 This is the total number of bytes in the ICMP packet (56 + 8) 21.24 Example 21.3 (continued) 21. 25 Figure 21. 15 The traceroute program operation 21.26 Example 21.4 We use the traceroute...
Ngày tải lên: 06/03/2014, 12:20
Chapter 22 Network Layer: Delivery, Forwarding, and Routing ppt
... 22-1 DELIVERY The network layer supervises the handling of the packets by the underlying physical networks We define this handling as the delivery of a packet ... 22.2 Route method versus next-hop method 22 .5 Figure 22.3 Host-specific versus network- specific method 22.6 Figure 22.4 Default method 22.7 Figure 22 .5 Simplified forwarding module in classless ... 180.70. 65. 140 Solution The router performs the following steps: The first mask (/26) is applied to the destination address The result is 180.70. 65. 128, which does not match the corresponding network...
Ngày tải lên: 06/03/2014, 12:20
CCNA Exploration Semester 1-Chapter 5 ppt
... OSI network layer OSI model layer TCP/IP model Internet layer Application Presentation Session Transport Network Data link Physical 17-Jul-12 Data stream ... – in chapter 17-Jul-12 CCNA Exploration Semester Purpose of layer Decide how to get the data from source to destination, then route it 17-Jul-12 CCNA Exploration Semester Layer protocol A layer ... 17-Jul-12 TCP or UDP used in Transport layer CCNA Exploration Semester 15 Protocol field enables the Network layer to pass the data to the appropriate upper -layer protocol Example values are: 01...
Ngày tải lên: 01/04/2014, 12:20
Mobile and wireless communications network layer and circuit level design Part 5 docx
... Simulated 120 150 150 30 60 90 Measured - Simulated 180 00 -10 30 60 -30 90 150 150 -20 60 -30 120 180 120 (b) H-plane at 5. 5GHz 30 -20 60 60 90 (a) H-plane at 3.5GHz 00 30 -30 90 150 -10 -20 ... will be widened as well as excellent level of matching can be achieved -5 R tu L ss,d e rn o B -10 - 15 -20 25 30 45, Opt 65 - 25 -30 Fig 12 Effects of second bevel angle frequency,GHz 10 11 12 UWB ... 15 and 16 illustrate the simulated and measured H-plane and E-plane radiation patterns 128 Mobile and Wireless Communications: Network layer and circuit level design respectively at 3 .5, 5. 5,...
Ngày tải lên: 21/06/2014, 14:20
CCNA 2 Chapter 5 pot
... enable RIP on Router B for all connected networks? RouterB# router rip RouterB(router)# network 210.36.7.0 RouterB(router)# network 220.17.29.0 RouterB(router)# network 211.168.74.0 RouterB(config)# ... RouterB(config-router)# network 198.16.4.0 RouterB(config-router) #network 211.168.74.0 RouterB(configrouter)# network 199.84.32.0 RouterB(config)# configure router rip RouterB(config-router)# network 210.36.7.0 ... RouterB(config-router)# network 199.84.32.0 RouterB(config-router)# network 211.168.74.0 RouterB(config)# router rip RouterB(config-router)# network 198.16.4.0 RouterB(config-router) #network 210.36.7.0...
Ngày tải lên: 22/06/2014, 16:20
NETWORK+ GUIDE TO NETWORKS, FOURTH EDITION - CHAPTER 5 pot
... Operates at multiple OSI Model layers Email gateway Internet gateway LAN gateway Voice/data gateway Firewall 45 SUMMARY 46 Network adapters come in a variety of types depending on access method, network transmission ... Dual inline package (DIP) switch indicates parameter setting 15 INSTALLING AND CONFIGURING NIC HARDWARE 16 Figure 5- 10: A properly inserted NIC 16 INSTALLING AND CONFIGURING NIC HARDWARE (CONTINUED) 17 Figure 5- 11: Installing a PCMCIA-standard ... dedicated channel 31 INSTALLING A SWITCH 32 Figure 5- 20: Connecting a workstation to a switch 32 INSTALLING A SWITCH (CONTINUED) 33 Figure 5- 21: A switch on a small network 33 CUTTHROUGH MODE 34 Switch running in cutthrough mode reads frame’s ...
Ngày tải lên: 27/06/2014, 05:20
