cisco semester 1 chapter 5 osi network layer v 4 0

Tài liệu Chapter 5 - OSI Network Layer CCNA Exploration version 4.0 ppt

Tài liệu Chapter 5 - OSI Network Layer CCNA Exploration version 4.0 ppt

Ngày tải lên : 22/12/2013, 13:17
... Website: www.bkacad.com 11 Network Layer Fields • bits • Indicates version of IP used • IPv4: 01 0 0; IPv6: 01 1 0 H c vi n m ng Bách khoa - Website: www.bkacad.com 12 Network Layer Fields • • bits Indicates ... to 5 .1. 1 ) H c vi n m ng Bách khoa - Website: www.bkacad.com Network Layer Protocols • Protocols implemented at the Network layer that carry user data include: – Internet Protocol version (IPv4)* ... www.bkacad.com 10 IPv4 packet header • Identify the major header fields in the IPv4 protocol and describe each field's role in transporting packets H c vi n m ng Bách khoa - Website: www.bkacad.com 11 Network...
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CCNA Exploration Semester 1-Chapter 5 ppt

CCNA Exploration Semester 1-Chapter 5 ppt

Ngày tải lên : 01/04/2014, 12:20
... First Look Network 19 2 .16 8 .1. 0/ 24 Network 19 2 .16 8.2 .0/ 24 19 2 .16 8 .1. 2 54 / 24 C 19 2 .16 8.2 .0/ 24 is direction connected, FastEthernet0 /1 Routers know about: Directly connected networks (C): Network addresses ... Exploration Semester 18 IP Fragmentation Original IP Packet IP Data = 14 80 bytes IP Header = 20 bytes IP Packet Fragments IP Data = 50 0 IP Data = 50 0 IP Data = 48 0 L2 Data = 52 0 L2 L2 Data = 52 0 L2 ... that network This is just like a host that is configured with an IP address/mask (coming) 17 -Jul -12 CCNA Exploration Semester 34 Routing – First Look Network 19 2 .16 8 .1. 0/ 24 Network 19 2 .16 8.2 .0/ 24...
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Tài liệu Điều khiển hệ thống 1 - Chapter 5 pptx

Tài liệu Điều khiển hệ thống 1 - Chapter 5 pptx

Ngày tải lên : 12/12/2013, 16:15
... đổi từ → ∞  V dụ: Nghiệm phương trình đặc trưng K thay đổi 1+ K System and Control s+3 =0 ( s + 1) ( s + 2)( s + 4) ( s + 5) Ngo Quang Hieu Phương pháp quỹ đạo nghiệm số Định nghĩa V dụ: Nghiệm...
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Tài liệu Chapter 8 - OSI Physical Layer CCNA Exploration 4.0 pdf

Tài liệu Chapter 8 - OSI Physical Layer CCNA Exploration 4.0 pdf

Ngày tải lên : 22/12/2013, 13:17
... 802 .11 b and 802 .11 g standards IEEE 802 .11 b - Operates in the 2 .4 GHz frequency band, speed up to 11 Mbps Longer range and better able to penetrate building structures than devices based on 802 .11 a ... on 802 .11 a IEEE 802 .11 g - Operates in the 2 .4 GHz frequency band, speed up to 54 Mbps Devices implementing this standard therefore operate at the same radio frequency and range as 802 .11 b but ... the bandwidth of 802 .11 a IEEE 802 .11 n - Is currently in draft form The proposed standard defines frequency of 2 .4 Ghz or GHz The typical expected data rates are 10 0 Mbps to 2 10 Mbps with a distance...
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CCNA Exploration Semester 1-Chapter 1 docx

CCNA Exploration Semester 1-Chapter 1 docx

Ngày tải lên : 01/04/2014, 12:20
... regional service, pay Teir -1 for connectivity Tier-3 providers: Provide service directly to end users, usually connected through Tier-2 providers 43 Quality of Service 44 Quality of Service 45 QoS ... physical limitations become less relevant 12 Networks are integral in our daily lives http://www.youtube.com/watch? v= fQKNvPn 3V8 &mode=related&search= 13 14 Examples of Today’s Popular Communication ... protocols 33 Converged Networks Traditional telephone, radio, television, and computer data networks each have their own individual versions of the four basic network elements Technology advances are...
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CCNA Exploration Semester 1-Chapter 6 pptx

CCNA Exploration Semester 1-Chapter 6 pptx

Ngày tải lên : 01/04/2014, 12:20
... 19 2 .16 8 .1. 64 19 2 .16 8 .1. 96 19 2 .16 8 .1. 128 19 2 .16 8 .1. 1 60 19 2 .16 8 .1. 192 19 2 .16 8 .1. 2 24 255 . 255 . 255 .2 24 00 000 000 0 01 0 00 00 01 0 00 000 01 1 00 000 10 00 000 0 10 100 000 11 00 000 0 11 100 000 11 100 000 43 Subnetting 19 2 .16 8 .1. 0/ 24 ... 10 100 000 19 2 .16 8 .1. 48 19 2 .16 8 .1. 176 0 01 1 00 00 10 1 10 00 0 19 2 .16 8 .1. 64 19 2 .16 8 .1. 192 01 0 00 000 11 00 000 0 19 2 .16 8 .1. 80 19 2 .16 8 .1. 208 01 0 100 00 11 01 0 00 0 19 2 .16 8 .1. 96 19 2 .16 8 .1. 2 24 01 1 00 000 11 100 000 19 2 .16 8 .1. 112 ... 8-bit binary 248 11 111 00 0 18 7 10 111 01 1 89 01 0 1 10 01 Convert to decimal 0 01 1 01 0 0 52 01 0 1 01 0 1 85 11 0 01 1 11 207 23-Jul -12 11 IPv4 address 19 2 16 8 21 17 11 00 000 0 10 1 01 0 00 00 01 0 1 01 00 01 0 0 01 octet octet...
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CCNA Exploration Semester 1-Chapter 4 pot

CCNA Exploration Semester 1-Chapter 4 pot

Ngày tải lên : 01/04/2014, 12:20
... 15 16 Client Server 31 16-bit Source Port Number 16 -bit Destination Port Number 16 -bit UDP Length 16 -bit UDP Checksum Time Data (if any) Cumulative Sum: 11 0 01 0 1 01 1 0 01 0 10 1s complement: 0 01 1 01 0 10 01 1 01 0 1 ... 15 16 Client Server 31 16-bit Source Port Number 16 -bit Destination Port Number 16 -bit UDP Length 16 -bit UDP Checksum Time Data (if any) Cumulative Sum: 11 0 01 0 1 01 1 0 01 0 10 1s complement: 0 01 1 00 01 0 01 1 01 0 1 ... 0 01 1 01 0 10 01 1 01 0 1 Total: 11 111 111 111 111 11 UDP checksum provides error detection, any changed bits or missing segments Simplified explanation (see RFC 10 71 for more details): Sender UDP adds 16 bit...
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Tài liệu Chapter 1 - Living in a Network Centric World CCNA Exploration 4.0 pptx

Tài liệu Chapter 1 - Living in a Network Centric World CCNA Exploration 4.0 pptx

Ngày tải lên : 12/12/2013, 14:15
... television, and computer data networks each have their own individual versions of the four basic network elements H c vi n m ng Bách khoa - Website: www.bkacad.com Converged Networks Converged networks ... www.bkacad.com Networks Supporting the Way We Live • Early data networks were limited to exchanging character-based • information between connected computer systems Current networks have evolved to carry voice, ... the message H c vi n m ng Bách khoa - Website: www.bkacad.com Communicating over Networks • These data or information networks vary in size and capabilities, but all networks have four basic elements...
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Tài liệu Chapter 4 - OSI Transport Layer CCNA Exploration version 4.0 docx

Tài liệu Chapter 4 - OSI Transport Layer CCNA Exploration version 4.0 docx

Ngày tải lên : 22/12/2013, 13:17
... client-server communication H c vi n m ng Bách khoa - Website: www.bkacad.com 43 Labs H c vi n m ng Bách khoa - Website: www.bkacad.com 44 Summary H c vi n m ng Bách khoa - Website: www.bkacad.com 45 ... Transport layer protocol H c vi n m ng Bách khoa - Website: www.bkacad.com 10 TCP Header format: H c vi n m ng Bách khoa - Website: www.bkacad.com 11 TCP Header format: Port number • Source Port 16 ... messenger, or view web pages while also viewing the video H c vi n m ng Bách khoa - Website: www.bkacad.com Controlling the Conversation • • Segmentation and Reassembly Most networks have a limitation...
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Tài liệu Cisco Secure VPN Version 5.1 pptx

Tài liệu Cisco Secure VPN Version 5.1 pptx

Ngày tải lên : 17/01/2014, 08:20
... Firewall 51 5 2 900 303 0 36 60 Answer: A QUESTION NO: 44 How many simultaneous session can a Cisco VPN 303 0 support? A B C D 10 0 10 00 15 00 50 00 Answer: C Explanation: VPN 306 0 • Height – 2U • Memory – 12 8 ... 300 2 manager What command will you enter at the browser? A B C D E F http:/ /19 2 .16 8 . 10 .1: 808 0 http:/ /19 2 .16 8 . 10 .1 https:/ /19 2 .16 8 . 10 .1 https:/ /19 2 .16 8 .19 .1: 808 0 http:/ /19 2 .16 8 .1. 1 http:/ /19 2 .16 8 .1. 1 ... Reference: VPN 300 0 Configuration Reference 3.6.pdf QUESTION NO: 67 Which is a correct way to enter an auto-update URL? A B C D http:/ / 10 .0 .1. 10/ vpn 300 2-3 .5. Rel-k9.bin http:/ / 10 .0 .1. 10/ vpn 300 2-3 .5. rel-k9.bin...
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SANS Institute InfoSec Reading Room: Applying the OSI Seven Layer Network Model To Information Security pptx

SANS Institute InfoSec Reading Room: Applying the OSI Seven Layer Network Model To Information Security pptx

Ngày tải lên : 05/03/2014, 21:20
... Africa 2 01 3 Johannesburg, ZA Mar 04 , 2 01 3 - Mar 09 , 2 01 3 Live Event SANS 2 01 3 Orlando, FLUS Mar 08 , 2 01 3 - Mar 15 , 2 01 3 Live Event SANS Secure Canberra 2 01 3 Canberra, AU Mar 18 , 2 01 3 - Mar 23, 2 01 3 ... Feb 18 , 2 01 3 - Feb 23, 2 01 3 Live Event RSA Conference 2 01 3 San Francisco, CAUS Feb 24, 2 01 3 - Feb 25, 2 01 3 Live Event SANS Secure Singapore 2 01 3 Singapore, SG Feb 25, 2 01 3 - Mar 02 , 2 01 3 Live Event ... 20 01 , p 3 14 [12 ] Cisco Systems, Cisco SAFE Enterprise Layer Two Addendum”, 200 3, URL:http://www .cisco. com/en/US/netsol/ns 3 40 /ns3 94/ ns1 71/ ns128/networking_s olutions_white_paper0 918 6a 008 0 14 870f.shtml...
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Chapter 19 Network Layer: Logical Addressing potx

Chapter 19 Network Layer: Logical Addressing potx

Ngày tải lên : 06/03/2014, 12:20
... Figure 19 .2 Finding the classes in binary and dotted-decimal notation 19 .12 Example 19 .4 Find the class of each address a 00 000 0 01 00 0 01 0 11 00 0 01 0 11 111 01 1 11 b 11 00 00 01 100 00 01 1 00 01 1 01 1 11 111 111 ... 0 01 0 01 1 1 If we set 32 − 28 rightmost bits to 1, we get 11 0 01 1 01 00 01 0 00 0 0 01 0 01 0 1 0 01 0 111 1 or 2 05 .16 .37 .47 This is actually the block shown in Figure 19 .3 19 . 24 Note The number of addresses in the block ... Example 19 .5 the /28 can be represented as 11 111 111 11 111 111 11 111 111 11 1 10 00 0 (twenty-eight 1s and four 0s) Find a The first address b The last address c The number of addresses 19 .27 Example 19 .9...
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Chapter 20 Network Layer: Internet Protocol pot

Chapter 20 Network Layer: Internet Protocol pot

Ngày tải lên : 06/03/2014, 12:20
... tes of data ( 40 − 20) 20. 23 Example 20 .4 An IPv4 packet has arrived with the first few hexadecimal digits as shown 0x 45 0 00 02 800 01 0 00 0 01 0 2 How many hops can this packet travel before being dropped? ... Checksum Options 20. 9 Figure 20 .4 Position of IPv4 in TCP/IP protocol suite 20 . 10 Figure 20 .5 IPv4 datagram format 20 .11 Figure 20. 6 Service type or differentiated services 20 .12 Note The precedence ... precedence subfield was part of version 4, but never used 20 .13 Table 20 .1 Types of service 20 . 14 Table 20. 2 Default types of service 20 . 15 Table 20. 3 Values for codepoints 20 .16 Note The total length...
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Chapter 21 Network Layer: Address Mapping, Error Reporting, and Multicasting pdf

Chapter 21 Network Layer: Address Mapping, Error Reporting, and Multicasting pdf

Ngày tải lên : 06/03/2014, 12:20
... Ethernet multicast physical address is in the range 01 : 00 :5E :00 :00 :00 to 01 : 00 :5E:7F:FF:FF 21. 45 Example 21. 7 Change the multicast IP address 2 30 .43 . 14 .7 to an Ethernet multicast physical address Solution ... 21. 7 Example 21. 1 A host with IP address 13 0. 23 .43 . 20 and physical address B2: 34 :55 : 10 :22 : 10 has a packet to send to another host with IP address 13 0. 23 .43 . 25 and physical address A4:6E:F4 :59 :83:AB ... error messages 21. 18 Figure 21. 11 Redirection concept 21. 19 Figure 21. 12 Query messages 21. 20 Figure 21. 13 Encapsulation of ICMP query messages 21. 21 Example 21. 2 Figure 21. 14 shows an example...
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Chapter 22 Network Layer: Delivery, Forwarding, and Routing ppt

Chapter 22 Network Layer: Delivery, Forwarding, and Routing ppt

Ngày tải lên : 06/03/2014, 12:20
... send a packet with destination address 12 0 . 14 . 64. 0 to 12 0 . 14 .12 7. 255 to the regional ISP 22. 20 Figure 22.9 Hierarchical routing with ISPs 22. 21 Figure 22 . 10 Common fields in a routing table 22.22 ... address The result is 18 0. 70. 65 .12 8, which does not match the corresponding network address The second mask (/ 25) is applied to the destination address The result is 18 0. 70. 65 .12 8, which matches ... Table 22 .1 Routing table for router R1 in Figure 22.6 22 .12 Example 22.2 Show the forwarding process if a packet arrives at R1 in Figure 22.6 with the destination address 18 0. 70. 65 . 14 0 Solution...
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