Forum discussion: I decided to sniff traffic on a SDSL circuit I monitor at work with a Fluke II and got a nasty surprise. At least 62 stations come up. Funny thing is that only MAC addresses show ...Mar 26, 2018 · The macOS Sierra Trust Store contains three categories of certificates: Trusted root certificates are used to establish a chain of trust that's used to verify other certificates signed by the trusted roots, for example to establish a secure connection to a web server. †Not applicable. 1 Research universities with a very high level of research activity.; 2 Research universities with a high level of research activity.; 3 Institutions that award at least 20 research/scholarship doctor's degrees per year, but did not have a high level of research activity.†Not applicable. 1 Research universities with a very high level of research activity.; 2 Research universities with a high level of research activity.; 3 Institutions that award at least 20 research/scholarship doctor's degrees per year, but did not have a high level of research activity. Publication Date 2023-07-24 Start Date 2021-11-02 End Date 2021-11-27 File Modification Date 2023-07-28 01:02:13Certificate name Issued by Type Key size Sig alg Serial number Expires; aa01 : CNNIC EV SSL : RSA : 1024 bits : SHA-1 : 1A 2F DD D9 35 3B 65 EE 1B B4 66 19 4D F3 10 DCThe macOS Sierra Trust Store contains three categories of certificates: Trusted root certificates are used to establish a chain of trust that's used to verify other certificates signed by the trusted roots, for example to establish a secure connection to a web server.Feb 21, 2020 · Trust Stores contains trusted root certificates that are preinstalled with iOS, macOS, watchOS, and tvOS. Well, it means that ufw blocked a connection from SRC to DST on TCP Port 8443. Unless you wanted this connection to be successful it is not a bad thing. Port 8443 is mainly used by webservices, for example it is used by VMware ESXi, or some (HTTPS) Application Servers. You can check if your box is running anything on that port by issueing sudo ...Jul 19, 2017 · Decoding RS485 signal. I'm spying on some RS485 communication between two devices. The only information I know is that the master is 'pinging' the slave constantly. Its checking if it is still connected and functioning. The first i need to detect is the correct properties of the signal (baud rate, data bits, parity, stop bits). LANL Engineering Standards Manual STD-342-100 Chapter 17-Pressure Safety Section REF References Rev. 0, 9/17/2014 REF-3 ASME B31.3 Process Piping Guide Page 3 of 171 TABLE OF CONTENTSMay 12, 2012 · 5d d3 ce dd 24 8e 85 5e 7b b2 7d 1a 63 90 b5 1a. 29 8c 8a b7 57 fc c0 77 63 69 d2 71 00 8c 63 bd. 7e 27 fa 23 e4 7d bb 11 b9 72 d2 8a f4 b8 42 4f. e7 21 c0 4c e7 0f 46 de 85 89 54 b2 2f 32 df 02. 3d 8e 75 01 a9 86 21 43 76 cf 77 e0 0c 88 8f 5c. 6a 9a cd 57 5a 63 cb 9d 47 6e 74 66 dc 41 8c bc. Company Range ; Zeppelin Systems GmbH: 38:07:D4:00:00:00 - 38:07:D4:FF:FF:FF: More Info: Silca Spa: 38:08:FD:00:00:00 - 38:08:FD:FF:FF:FF: More Info: Firefly ...Jan 23, 2017 · Certificate name Issued by Type Key size Sig alg Serial number Expires; aa01 : CNNIC EV SSL : RSA : 1024 bits : SHA-1 : 1A 2F DD D9 35 3B 65 EE 1B B4 66 19 4D F3 10 DC View 55C219A2-EB40-462F-B37F-6D876DF9E411.png from MATH GEOMETRY 1.01 at Keystone High School. 6:07 PM Wed Jul 27 . . . 149% ED < > AA fueled.brightspace.com a FC + K Student Courses Dashboard X D21The Terminal Link shuttle bus stops at all terminals from 5:00 a.m. to 12:00 a.m. with an out-of-hours service available by calling 972-574-5465. Buses operate every 5 to 10 minutes from the departures level of each terminal, excluding Terminal D where pick-up and drop-off are from the arrivals level.Lifegarb's interactive graph and data of "MAC Address Indtification" is a line chart, showing 00:9a:cd:2d:1b:12, 00:ee:bd:5b:fe:f3, 00:ee:bd:a1:60:ec, 00:ee:bd:b0:a5 ... Lifegarb's interactive graph and data of "MAC Address Indtification" is a line chart, showing 00:9a:cd:2d:1b:12, 00:ee:bd:5b:fe:f3, 00:ee:bd:a1:60:ec, 00:ee:bd:b0:a5 ...Info; Owner: CN=Actalis Authentication Root CA,O=Actalis S.p.A./03358520967,L=Milan,C=IT; Valid Dates: 09-22-2011 to 09-22-2030; Serial No: 6271844772424770508 ...We would like to show you a description here but the site won’t allow us.This is generally not possible. Using the MAC address, you can look up the maker of the Bluetooth radio. That’s it. Sometimes, this can give a strong hint at the type. However, if a device is close enough for mutual data exchange, you will eventually get their name and device type using the so-called Inquiry process.The following example contains a CMC key archival request. The example was generated by using the Certreq.exe and Certutil.exe tools. The .inf file used as input to Certreq.exe contains the following configuration. This configuration generates the following sample output. The configuration specifies the subject, the type of request (CMC), and ...MAC Prefix Vendor / Company Address Country; E8-6F-38 / E86F38: CHONGQING FUGUI ELECTRONICS CO.,LTD. Building D21,No.1, East Zone 1st Road,Xiyong Town,Shapingba District Chongqing Chongqing 401332Trust Stores contains trusted root certificates that are preinstalled with iOS, iPadOS, macOS, tvOS, and watchOS.Cisco Systems, Inc. is an American multinational technology conglomerate headquartered in San Jose, California, in the center of Silicon Valley. Cisco develops, manufactures and sells networking hardware, software, telecommunications equipment and other high-technology services and products. Through its numerous acquired subsidiaries, such as ...LANL Engineering Standards Manual STD-342-100 Chapter 17-Pressure Safety Section REF References Rev. 0, 9/17/2014 REF-3 ASME B31.3 Process Piping Guide Page 3 of 171 TABLE OF CONTENTSDec 2, 2022 · Trust Stores contains trusted root certificates that are preinstalled with iOS, iPadOS, macOS, tvOS, and watchOS. The string for a given hex number will depend on the programming language of the string. Theoretically you can invent your own alphabet and language, encode it and produce strings. In ASCII, which is one of the most common encoding systems, a few conversion examples are as follows: 48 65 6C 6C 6F = Hello 68 65 6C 6C 6F = hello 47 6F 6F 64 20 6D ... The following example contains a CMC key archival request. The example was generated by using the Certreq.exe and Certutil.exe tools. The .inf file used as input to Certreq.exe contains the following configuration. This configuration generates the following sample output. The configuration specifies the subject, the type of request (CMC), and ...MACアドレス ベンダー一覧。 ～ ... Please enter the MAC address or vendor nameMac Address D8-08-31 - Samsung Electronics Co.,Ltd. Devices with MAC addresses that start with D8-08-31 were manufactured by Samsung Electronics Co.,Ltd.5d d3 ce dd 24 8e 85 5e 7b b2 7d 1a 63 90 b5 1a. 29 8c 8a b7 57 fc c0 77 63 69 d2 71 00 8c 63 bd. 7e 27 fa 23 e4 7d bb 11 b9 72 d2 8a f4 b8 42 4f. e7 21 c0 4c e7 0f 46 de 85 89 54 b2 2f 32 df 02. 3d 8e 75 01 a9 86 21 43 76 cf 77 e0 0c 88 8f 5c. 6a 9a cd 57 5a 63 cb 9d 47 6e 74 66 dc 41 8c bc.Converts a subset of a Unicode character array, which encodes binary data as base-64 digits, to an equivalent 8-bit unsigned integer array. Parameters specify the subset in the input array and the number of elements to convert. Jul 12, 2023 · Click Network. Under Preferred Networks, select the network connection you are using, then click Advanced. The MAC address is listed as Wi-Fi Address. Tap the Menu icon. Tap Devices, select the device, look for the MAC ID. Check if it matches any of your devices' MAC addresses. Trend Micro recommends removing unknown devices from your network. If you want to find the manufacturer a certain MAC address belongs to, enter your full MAC address or first 6 hexadecimal digits. This tool support most of the common formats such as 00-10-fa-c2-bf-d5, 00:10:fa:c2:bf:d5, 0010.fac2.bfd5, 00 10 fa c2 bf d5, or 0010fac2bfd5. If you want to find a list of MAC address prefixes based on the ... The macOS Sierra Trust Store contains three categories of certificates: Trusted root certificates are used to establish a chain of trust that's used to verify other certificates signed by the trusted roots, for example to establish a secure connection to a web server.A: Trash cans range in size from small to extra large. For indoor use, such as in a kitchen, a 13-gallon trash can is standard. For outdoor use, extra-large 32-gallon trash cans are most popular. People typically use these larger trash cans to contain trash accumulated indoors for several days or for items like bulky yard debris.E11: 69 only: 170 cid 1 barrel 6 Cylinder 115hp: E22: 70-71: 198 cid 1 barrel 6 Cylinder 125hp: E24: 69-71: 225 cid 1 barrel 6 Cylinder 145hp5a 4b 93 ed bd 85 46 6b 5b fc f0 66 d9 0c ab 47. 33 b2 42 46 a5 11 9a e8 97 dc 50 f8 78 12 4b 40. 5b 1d 57 b8 6b f9 b1 c5 8b 42 9b b4 f8 f0 ac 28. 16 9c 94 f8 91 16 51 f8 30 49 cb f5 a9 d6 ed b8. 51 fe 56 e3 10 25 ab b2 ef fc 97 e8 0e 13 5c fb. ae 45 fa 0a e4 0a db a7 7d 1c f6 27 ca ed e7 2c. 47 80 92 34 1b 53 ee 51 35 71 bd 55 38 b2 85 30.The string for a given hex number will depend on the programming language of the string. Theoretically you can invent your own alphabet and language, encode it and produce strings. In ASCII, which is one of the most common encoding systems, a few conversion examples are as follows: 48 65 6C 6C 6F = Hello 68 65 6C 6C 6F = hello 47 6F 6F 64 20 6D ...The following example contains a CMC key archival request. The example was generated by using the Certreq.exe and Certutil.exe tools. The .inf file used as input to Certreq.exe contains the following configuration. This configuration generates the following sample output. The configuration specifies the subject, the type of request (CMC), and ...Trust Stores contains trusted root certificates that are preinstalled with iOS, macOS, watchOS, and tvOS.Frequently bought together. This item: OTC (6681) Cam Tool Set - Ford 4.6L/5.4L/6.8L 3V Engine. $6470. +. OTC 6024 Crankshaft Positioning Tool for Ford. $14191.Apr 6, 2021 · In this article. If the client already has a license in its store, it sends the license in the Client License Information message as a response to the Server License Request (section 2.2.2.1) message. Click Network. Under Preferred Networks, select the network connection you are using, then click Advanced. The MAC address is listed as Wi-Fi Address. Tap the Menu icon. Tap Devices, select the device, look for the MAC ID. Check if it matches any of your devices' MAC addresses. Trend Micro recommends removing unknown devices from your network.Frequently bought together. This item: OTC (6681) Cam Tool Set - Ford 4.6L/5.4L/6.8L 3V Engine. $6470. +. OTC 6024 Crankshaft Positioning Tool for Ford. $14191.Mar 26, 2018 · The macOS Sierra Trust Store contains three categories of certificates: Trusted root certificates are used to establish a chain of trust that's used to verify other certificates signed by the trusted roots, for example to establish a secure connection to a web server. VeraCrypt is free open-source disk encryption software for Windows, Mac OS X and Linux. In case an attacker forces you to reveal the password, VeraCrypt provides plausible deniability.Select an air filter, oil filter, fuel filter or cabin air filter manufacturer link below to find a similar part to that manufacturer's part. 1. 1A First. 3. 3F Quality. A. Abarth. ABG. AC Delco.MACアドレス ベンダー一覧。 ～ ... Please enter the MAC address or vendor name Jul 19, 2017 · Decoding RS485 signal. I'm spying on some RS485 communication between two devices. The only information I know is that the master is 'pinging' the slave constantly. Its checking if it is still connected and functioning. The first i need to detect is the correct properties of the signal (baud rate, data bits, parity, stop bits). Dec 2, 2022 · Trust Stores contains trusted root certificates that are preinstalled with iOS, iPadOS, macOS, tvOS, and watchOS. If you want to find the manufacturer a certain MAC address belongs to, enter your full MAC address or first 6 hexadecimal digits. This tool support most of the common formats such as 00-10-fa-c2-bf-d5, 00:10:fa:c2:bf:d5, 0010.fac2.bfd5, 00 10 fa c2 bf d5, or 0010fac2bfd5. If you want to find a list of MAC address prefixes based on the ...Mar 26, 2018 · The macOS Sierra Trust Store contains three categories of certificates: Trusted root certificates are used to establish a chain of trust that's used to verify other certificates signed by the trusted roots, for example to establish a secure connection to a web server. Dec 2, 2022 · Trust Stores contains trusted root certificates that are preinstalled with iOS, iPadOS, macOS, tvOS, and watchOS. If you want to find the manufacturer a certain MAC address belongs to, enter your full MAC address or first 6 hexadecimal digits. This tool support most of the common formats such as 00-10-fa-c2-bf-d5, 00:10:fa:c2:bf:d5, 0010.fac2.bfd5, 00 10 fa c2 bf d5, or 0010fac2bfd5. If you want to find a list of MAC address prefixes based on the ...Feb 21, 2020 · Trust Stores contains trusted root certificates that are preinstalled with iOS, macOS, watchOS, and tvOS. ASME B31.1-2007and shall - Yumpu ... Power PipingTable 503.40. Percentage of 16- to 64-year-old undergraduate students who were employed, by attendance status, hours worked per week, and selected characteristics: 2010, 2015, and 2020100% (1 rating) Construction of RSA private key starts by choosing prime1 and prime2 numbers. prime1) prime1 is a randomly chosen prime number (for better security it should not be too small). prime2) prime2 is also a randomly chosen prime number (for better securit …. View the full answer.The string for a given hex number will depend on the programming language of the string. Theoretically you can invent your own alphabet and language, encode it and produce strings. In ASCII, which is one of the most common encoding systems, a few conversion examples are as follows: 48 65 6C 6C 6F = Hello 68 65 6C 6C 6F = hello 47 6F 6F 64 20 6D ... GitHub Gist: instantly share code, notes, and snippets. MAC/OUI Address Lookup Tool. Company MAC Address OUIs +plugg srl: 30-F3-3A: 01DB-METRAVIB: 70-02-58: 100fio networks technology llc We would like to show you a description here but the site won’t allow us.Alias name: accvraiz1 SHA1: 93:05:7A:88:15:C6:4F:CE:88:2F:FA:91:16:52:28:78:BC:53:64:17 SHA256: 9A:6E:C0:12:E1:A7:DA:9D:BE:34:19:4D:47:8A:D7:C0:DB:18:22:FB:07:1D:F1 ...Trust Stores contains trusted root certificates that are preinstalled with iOS, macOS, watchOS, and tvOS.We would like to show you a description here but the site won’t allow us.The string for a given hex number will depend on the programming language of the string. Theoretically you can invent your own alphabet and language, encode it and produce strings. In ASCII, which is one of the most common encoding systems, a few conversion examples are as follows: 48 65 6C 6C 6F = Hello 68 65 6C 6C 6F = hello 47 6F 6F 64 20 6D ... Volume 7A Chapters. Repayment of Unearned Portion of Bonuses and Other Benefits (10 pages, 96 KB) Health Professions Officer (HPO) Special and Incentive Pay (29 pages, 216 KB) Active Duty Enlisted Members Enlistment, Reenlistment, and Retention Bonuses (23 pages, 136 KB) Special Pay - Duty Subject to Hostile Fire or Imminent Danger (14 pages ...Cisco Systems, Inc. is an American multinational technology conglomerate headquartered in San Jose, California, in the center of Silicon Valley. Cisco develops, manufactures and sells networking hardware, software, telecommunications equipment and other high-technology services and products. Through its numerous acquired subsidiaries, such as ...Lifegarb's interactive graph and data of "MAC Address Indtification" is a line chart, showing 00:9a:cd:2d:1b:12, 00:ee:bd:5b:fe:f3, 00:ee:bd:a1:60:ec, 00:ee:bd:b0:a5 ... Trust Stores contains trusted root certificates that are preinstalled with iOS, iPadOS, macOS, tvOS, and watchOS.A media access control address ( MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment. MAC addresses are used as a network address for most IEEE 802 network technologies, including Ethernet. Logically, MAC addresses are used in the media access control protocol sublayer of the OSI ...all data sets download web mac addresses data set. 25-d3-aa-4f-d8-24 5e-cc-d5-c8-4f-97 23-7f-f4-66-23-8e d7-ec-90-87-76-4a 5e-8e-eb-ba-74-bd 3d-d8-71-e1-15-81 e9-3a-31-d3-3b-9b a9-d2-fa-51-50-f8 a0-ab-c7-e6-5f-e6 62-1e-96-cd-4b-24 dd-cb-d2-db-f8-7e 07-4e-32-39-a3-c0 7c-c1-99-e4-db-96 a1-6f-6d-d7-3b-e3 aa-d6-82-74-be-0a 8d-dd-6a-b9-a0-fc 8c-11-08-dc-6f-4b f1-04-b8-97-09-ee e6-36-9b-e2-34-2e 2f ... Table 204.90. Percentage of public school students enrolled in gifted and talented programs, by sex, race/ethnicity, and state: Selected years, 2004 through 2017-18Dec 2, 2022 · Trust Stores contains trusted root certificates that are preinstalled with iOS, iPadOS, macOS, tvOS, and watchOS. all data sets download web mac addresses data set. 25-d3-aa-4f-d8-24 5e-cc-d5-c8-4f-97 23-7f-f4-66-23-8e d7-ec-90-87-76-4a 5e-8e-eb-ba-74-bd 3d-d8-71-e1-15-81 e9-3a-31-d3-3b-9b a9-d2-fa-51-50-f8 a0-ab-c7-e6-5f-e6 62-1e-96-cd-4b-24 dd-cb-d2-db-f8-7e 07-4e-32-39-a3-c0 7c-c1-99-e4-db-96 a1-6f-6d-d7-3b-e3 aa-d6-82-74-be-0a 8d-dd-6a-b9-a0-fc 8c-11-08-dc-6f-4b f1-04-b8-97-09-ee e6-36-9b-e2-34-2e 2f ...E11: 69 only: 170 cid 1 barrel 6 Cylinder 115hp: E22: 70-71: 198 cid 1 barrel 6 Cylinder 125hp: E24: 69-71: 225 cid 1 barrel 6 Cylinder 145hpMar 11, 2014 · Frequently bought together. This item: OTC (6681) Cam Tool Set - Ford 4.6L/5.4L/6.8L 3V Engine. $6470. +. OTC 6024 Crankshaft Positioning Tool for Ford. $14191. MACアドレス ベンダー一覧。 ～ ... Please enter the MAC address or vendor name E11: 69 only: 170 cid 1 barrel 6 Cylinder 115hp: E22: 70-71: 198 cid 1 barrel 6 Cylinder 125hp: E24: 69-71: 225 cid 1 barrel 6 Cylinder 145hpJul 19, 2017 · Decoding RS485 signal. I'm spying on some RS485 communication between two devices. The only information I know is that the master is 'pinging' the slave constantly. Its checking if it is still connected and functioning. The first i need to detect is the correct properties of the signal (baud rate, data bits, parity, stop bits). The Wireshark OUI lookup tool provides an easy way to look up OUIs and other MAC address prefixes. It uses the Wireshark manufacturer database, which is a list of OUIs and MAC addresses compiled from a number of sources. Type or paste in a list of OUIs, MAC addresses, or descriptions below. OUIs and MAC addresses may be colon-, hyphen-, or ...Trust Stores contains trusted root certificates that are preinstalled with iOS, iPadOS, macOS, tvOS, and watchOS.EBCDIC and ASCII Default Conversion Tables. z/OS Cryptographic Services ICSF Application Programmer's Guide. SA22-7522-16. This section presents tables showing EBCDIC to ASCII and ASCII to EBCDIC conversion tables. In the table headers, EBC refers to EBCDIC and ASC refers to ASCII. Table 375 shows the EBCDIC to ASCII default conversion table.Trust Stores contains trusted root certificates that are preinstalled with iOS, iPadOS, macOS, tvOS, and watchOS.
The following example contains a CMC key archival request. The example was generated by using the Certreq.exe and Certutil.exe tools. The .inf file used as input to Certreq.exe contains the following configuration. This configuration generates the following sample output. The configuration specifies the subject, the type of request (CMC), and .... Goodwill outlet center and donation center
4.2.4.1 Input TS_RFX_TILESET Message. Article. 04/06/2021. Feedback. The following is an annotated dump of a TS_RFX_TILESET (section 2.2.2.3.4) message containing a single encoded 64x64 tile. 00000000 c7 cc 3e 0b 00 00 01 00 c2 ca 00 00 51 50 01 40 00000010 01 00 23 0b 00 00 66 66 77 88 98 c3 ca 23 0b 00 00000020 00 00 00 00 00 00 00 00 ae 03 ...MACアドレス ベンダー一覧。 ～ ... Please enter the MAC address or vendor name Lifegarb's interactive graph and data of "MAC Address Indtification" is a line chart, showing 00:9a:cd:2d:1b:12, 00:ee:bd:5b:fe:f3, 00:ee:bd:a1:60:ec, 00:ee:bd:b0:a5 ... all data sets download web mac addresses data set. 25-d3-aa-4f-d8-24 5e-cc-d5-c8-4f-97 23-7f-f4-66-23-8e d7-ec-90-87-76-4a 5e-8e-eb-ba-74-bd 3d-d8-71-e1-15-81 e9-3a-31-d3-3b-9b a9-d2-fa-51-50-f8 a0-ab-c7-e6-5f-e6 62-1e-96-cd-4b-24 dd-cb-d2-db-f8-7e 07-4e-32-39-a3-c0 7c-c1-99-e4-db-96 a1-6f-6d-d7-3b-e3 aa-d6-82-74-be-0a 8d-dd-6a-b9-a0-fc 8c-11-08-dc-6f-4b f1-04-b8-97-09-ee e6-36-9b-e2-34-2e 2f ... Our Database contains 4756 Thermometer Manuals, User Guides and Instructions for more than 7135 Devices. 1byone JPD-FR401. 1byone Thermometer JPD-FR401 Instruction manual (20 pages) 3B Thermometer Laser Pen 200 mW Operating instructions manual (72 pages) ABLE Asthma FR1MA1. ABLE Asthma Thermometer FR1MA1 Operation & user’s manual (9 pages ... The following example contains a CMC key archival request. The example was generated by using the Certreq.exe and Certutil.exe tools. The .inf file used as input to Certreq.exe contains the following configuration. This configuration generates the following sample output. The configuration specifies the subject, the type of request (CMC), and ...2 ASME’s Boiler and Pressure Vessel Code (BPVC) | 2013 Power Boilers Section I – Power Boilers Provides requirements for all methods of construction of power, electric, andTable 204.90. Percentage of public school students enrolled in gifted and talented programs, by sex, race/ethnicity, and state: Selected years, 2004 through 2017-18 Jan 23, 2017 · Certificate name Issued by Type Key size Sig alg Serial number Expires; aa01 : CNNIC EV SSL : RSA : 1024 bits : SHA-1 : 1A 2F DD D9 35 3B 65 EE 1B B4 66 19 4D F3 10 DC 5d d3 ce dd 24 8e 85 5e 7b b2 7d 1a 63 90 b5 1a. 29 8c 8a b7 57 fc c0 77 63 69 d2 71 00 8c 63 bd. 7e 27 fa 23 e4 7d bb 11 b9 72 d2 8a f4 b8 42 4f. e7 21 c0 4c e7 0f 46 de 85 89 54 b2 2f 32 df 02. 3d 8e 75 01 a9 86 21 43 76 cf 77 e0 0c 88 8f 5c. 6a 9a cd 57 5a 63 cb 9d 47 6e 74 66 dc 41 8c bc.Forum discussion: I decided to sniff traffic on a SDSL circuit I monitor at work with a Fluke II and got a nasty surprise. At least 62 stations come up. Funny thing is that only MAC addresses show ...Table 205.40. Number and percentage distribution of private elementary and secondary students, teachers, and schools, by orientation of school and selected characteristics: Fall 2009, fall 2017, and fall 2019A media access control address ( MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment. MAC addresses are used as a network address for most IEEE 802 network technologies, including Ethernet. Logically, MAC addresses are used in the media access control protocol sublayer of the OSI ....