three responsibilities of the data link layer

... Trang 1The Data Link LayerChapter 3 Trang 2Data Link Layer Design Issues• Services Provided to the Network Layer • Framing • Error Control • Flow Control Trang 3Functions of the Data Link Layer• ... Data Link Protocols• HDLC – High-Level Data Link Control • The Data Link Layer in the Internet Trang 41High-Level Data Link ControlFrame format for bit-oriented protocols Trang 42High-Level Data ... bytes (b) Four examples of byte sequences before and after stuffing Trang 9Framing (3)Bit stuffing (a) The original data (b) The data as they appear on the line (c) The data as they are stored in

Ngày tải lên: 21/12/2017, 11:48

... 3Functions of the Data Link Layer• Provide service interface to the network layer • Dealing with transmission errors • Regulating data flow SinhVienZone.Com Trang 4Functions of the Data Link Layer ... (2)SinhVienZone.Com Trang 40Example Data Link Protocols• HDLC – High-Level Data Link Control • The Data Link Layer in the Internet SinhVienZone.Com Trang 41High-Level Data Link ControlFrame format for ... examples of byte sequences before and after stuffing. SinhVienZone.Com Trang 9Framing (3)Bit stuffing (a) The original data. (b) The data as they appear on the line. (c) The data as they are

Ngày tải lên: 30/01/2020, 23:02

... Trang 1The Data Link LayerChapter 3 Trang 2Data Link Layer Design Issues• Services Provided to the Network Layer • Framing • Error Control • Flow Control Trang 3Functions of the Data Link Layer• ... 39Petri Net Models (2)Trang 40Example Data Link Protocols• HDLC – High-Level Data Link Control • The Data Link Layer in the Internet Trang 41High-Level Data Link ControlFrame format for bit-oriented ... (b) Four examples of byte sequences before and after stuffing. Trang 9Framing (3)Bit stuffing (a) The original data. (b) The data as they appear on the line. (c) The data as they are stored in

Ngày tải lên: 14/12/2021, 07:14

... Trang 1A note on the use of these ppt slides:We’re making these slides freely available to all (faculty, students, readers) They’re in powerpoint form so you can add, ... one) and slide content to suit your needs They obviously represent a lot of work on our part In return for use, we only ask the following: ‰ If you use these slides (e.g., in a class) in substantially ... mạng cần cân nhắc các yếu tố: Trang 8Truyền thông giữa các bộ thích ứng mạngframe datagram rcving node link layer protocol sending node frame adapter adapter  thêm thông tin điều khiển và kiểm

Ngày tải lên: 23/10/2014, 21:01

... tested the applicability of House‘s model to the translation of legal contracts and verified the usefulness of the model in the assessment of different translations of the same source text The application ... PROCEDURES III.1 Subject of study As the study of the whole text is beyond the scope of this paper, the object under investigation is the first three chapters in the SL ―The Da Vinci Code‖ written ... presence of redundancy As a result of the analysis mentioned above, a textual profile is established for the source text under the form of a Statement of Function The translation text is then analyzed

Ngày tải lên: 02/03/2015, 14:22

... PROCEDURES III.1 Subject of study As the study of the whole text is beyond the scope of this paper, the object under investigation is the first three chapters in the SL ―The Da Vinci Code‖ written ... present the results of data analysis and discussions In part 3, the conclusion of the study will be stated with three components: Recapitulation of the study, Limitation of the study, and Recommendations ... chapters will be analyzed under the light of J House‘s approach of TQA in order to reach the objectives of (1) discovering the features of the source text (ST) in the light of Halliday‘s functional

Ngày tải lên: 10/08/2015, 19:48

... field in the data-link trailer This field contains a value that is the result of a mathematical formula applied to the data in the Trang 11Data Link Function 4: Identifying the Encapsulated Data ... Typical LAN Features for OSI Layer 1  The OSI physical layer, or Layer 1, defines the details of how to move data from one device to another  The OSI physical layer defines the standards used to send ... Typical LAN Features for OSI Layer 2 Trang 5Data Link Function 1: Arbitration The specifications for these data-link protocols define how to arbitrate the use of the physical medium to avoid

Ngày tải lên: 12/08/2015, 09:13

... 1346 Ann Arbor, MI 48106-1346 Trang 3The undersigned, appointed by the Dean of the Graduate School, have examined the thesis A FURTHER ANALYSIS OF THE CAUSAL LINK BETWEEN ABORTION AND CRIME Presented ... the typical client tended to be more affluent After the lifting of the ban, however, the rate of abortions soared, and the beneficiary tended to be the less affluent, unwed teenage mother10 The ... element11 The second contention provided by the authors is an analysis of the national series data The peak of the crime wave in all categories of crime was in 1991; time-afterwards the trend

Ngày tải lên: 01/10/2015, 16:59

... dividing the area on the surface of the sphere lying within the intersection of the solid angle by the square of the radius of the sphere, as indicated in Equation 2 FUNCTION OF AREA AND RADIUS OF ... calculate the area of the sphere that is intersected by the solid angle: Finally, from Equation 2, the number of steradians is calculated by dividing the area, A, by the square of the radius, R Therefore, ... by a factor of 4 (while maintaining the same half-angle) This distance-square function of the area is the reason the available power drops as a function of the square of the distance The total

Ngày tải lên: 11/01/2016, 11:46

... parity bit The majority of the DES code is for the Implementation of the permutation of the block of bits The 56-bits of the key, stored in K1 through K8, scrambled-bit output is stored in the eight ... Invertibility of the DES is that one half-word of the out-put is precisely the bit configuration which was used to encode the other half, with the aid of the particular stage subkey Therefore, by using the ... permutation is the inverse of the initial permutation Figure 10 shows a block diagram of the enciphering portion of the algo-rithm The reverse process of deciphering is shown in Figure 11 The initial

Ngày tải lên: 11/01/2016, 11:52

... is the middle value of the lower half of the data, and the third quartile, Q3, is the middle value, or median, of the upper half of the data To get the idea, considerthe same data set: 1; 1; 2; ... part of the data, is the first quartile One-fourth of the entiresets of values are the same as or less than two and three-fourths of the values are morethan two The upper half of the data is 7.2, ... than nine The third quartile is part of the data set in this example The interquartile range is a number that indicates the spread of the middle half or the middle 50% of the data It is the difference

Ngày tải lên: 19/10/2016, 22:03

... Determine the link efficiency for the following type of data link if the velocity of propagation is 2.108 m/s and the bit error rates of the links are all negligibly low: 3 2 Trang 33Example of link ... max window Trang 424 2Trang 43 Data Link Control Protocols  The data link control layer is concerned with the transfer of dataover a serial data link The link can be:  point‐to‐point physical ...  responsibilities of the data link The most important layer are flow control and error control Collectively, these functions are known as data link control. procedures used to restrict the

Ngày tải lên: 04/12/2016, 08:57

... sniff(iface=interface,prn=monitorPackets) 1 2 3 4 Trang 5Arp Spoofing• ARP translates layer 3 to layer 2 addresses • Clients maintain their own ARP tables of these logical-to-physical bindings • But anyone ... Attack• Clients authenticate themselves to access points prior to association with the network • Authentication typically occurs over unencrypted layer 2 management frames • De-authentication also ... AttackdefmonitorPackets(p): if p.haslayer(BOOTP): global reqCnt global ofrCnt opCode = p.getlayer(BOOTP).op if opCode == 1: reqCnt=reqCnt+1 elif opCode == 2: ofrCnt=ofrCnt+1 print"[*]

Ngày tải lên: 12/09/2017, 01:26

... will cover the standarderror of the mean in the chapterThe Central Limit Theorem(not now) The notation forthe standard error of the mean is √σn where σ is the standard deviation of the population ... Explanation of the standard deviation calculation shown in the table The deviations show how spread out the data are about the mean The data value 11.5 is farther from the mean than is the data value ... and n is the size of the sample In a fifth grade class, the teacher was interested in the average age and the samplestandard deviation of the ages of her students The following data are the ages

Ngày tải lên: 31/10/2017, 12:41

... 1Measures of the Center of theData By: OpenStaxCollege The "center" of a data set is also a way of describing location The two most widely used measures of the "center" of the data ... sense of the middle of the data Another measure of the center is the mode The mode is the most frequent value There can be more than one mode in a data set as long as those values have the same ... number of data values is 100, then n + 12 = 100 + 12 = 50.5 The median occurs midway between the 50thand 51stvalues The location of the median and the value of the median are not the same The upper

Ngày tải lên: 31/10/2017, 16:48

... 15Collision & Broadcast DomainsNo of Broadcast domains= No of every active interface of the Routers No of collision domains = No of every active interface of the Switches & Routers Trang ... Ethernet – IP – ARP – DHCP Trang 4Functions of a LANTrang 5LAN SizesTrang 6LAN StandardsTrang 7Ethernet Frame StructureTrang 8Communicating Within the LANTrang 9MAC Address ComponentsTrang 10MAC ... v3.0—2-1Understanding Ethernet Trang 2Local Area NetworkTrang 3LAN Components• Computers – PCs – Servers • Interconnections – NICs – Media • Network devices – Hubs – Switches – Routers • Protocols – Ethernet

Ngày tải lên: 20/04/2018, 23:48

... segments of the photoreceptors (OS), the inner segments of the cones (arrows), the outer nuclear layer (ONL), the outer plexiform layer (OPL), the inner nuclear layer (ONL), the inner plexiform layer (IPL and the ganglion cell layer (GCL). Note the ... Fig 1 shows a cross­section through the eye of the European eel. Going from outside to inside, the sclera, the choroid, the pigment epithelium and the retina can be identified. At first glance, the eye of the European silver eel does not differ from the general organization of the vertebrate eye. However, one striking deviation from this general scheme is present in the posterior eye ... retina [20]. The opsin antibodies are raised against the sequences of the zebrafish opsins, when positive in the eel retina, they stained the discs of the photoreceptor, demonstrating their validity. The GluR1 antibody from Chemicon (AB1504), the monoclonal

Ngày tải lên: 26/09/2019, 16:14

... 15Collision & Broadcast DomainsNo of Broadcast domains= No of every active interface of the Routers No of collision domains = No of every active interface of the Switches & Routers Trang ... the Packet Delivery Process Trang 18ARPTrang 19ARP TableTrang 20Host-to-Host Packet Delivery (1 of 22)Trang 29Host-to-Host Packet Delivery (10 of 22)Trang 30Host-to-Host Packet Delivery (11 of ... Trang 1BSCI v3.0—2-1Understanding Ethernet Trang 2Local Area NetworkTrang 5LAN SizesTrang 6LAN StandardsTrang 7Ethernet Frame StructureTrang 8Communicating Within the LANTrang 9MAC Address ComponentsTrang

Ngày tải lên: 08/11/2019, 18:10

... tested the applicability of House‘s model to the translation of legal contracts and verified the usefulness of the model in the assessment of different translations of the same source text The application ... PROCEDURES III.1 Subject of study As the study of the whole text is beyond the scope of this paper, the object under investigation is the first three chapters in the SL ―The Da Vinci Code‖ written ... presence of redundancy As a result of the analysis mentioned above, a textual profile is established for the source text under the form of a Statement of Function The translation text is then analyzed

Ngày tải lên: 23/09/2020, 22:39

... consists of virtual connections between the nodes of a network independent of their physical layout. – These logical signal paths are defined by Data Link layer protocols. • The Data Link layer ... Upper Layer Services to the Media 11 • 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. – The ... www.bkacad.com Overview Upon completion of this chapter, you will be able to: • Explain the role of Data Link layer protocols in data transmission. • Describe how the Data Link layer prepares data for transmission...

Ngày tải lên: 22/12/2013, 13:17