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J ournal of Environmental Management and Tourism Journal of Environmental Management and Tourism
The paper describes the latest trends in the development of the tourist industry in the Russian Federation, estimates the degree of the tourist attractiveness of Russian regions and the role of tourist and recreational potential in the economic development of territories. The novelty of the authors' approach is based on the justified necessity of using new management methods for regional development, reflecting the innovative role of a region as an independent commodity with a set of tools for effective management of the region's marketing potential. The authors of the article propose a new conceptual apparatus along with a methodology for assessing the regional potential; recommendations on its development to increase its tourist appeal through the application of the marketing tools given; the authors also propose a set of indicators reflecting the effectiveness of the regional capacity management. The paper presents empirical studies on assessment of the regional potential for a strategically important Russian region – the North Caucasus Federal District - from the standpoint of marketing potential as the basis for ensuring competitiveness and functional efficiency in the modern conditions. The implementation of customized organizational, economic and other forms and tools of the region's marketing management and marketing attractiveness will provide the basis of the subsequent management of the marketing strategy in the region, along with the prospects for its effective development. Keywords: tourist attraction; tourist region; recreational resources of the region; recreational zoning; recreational wealth of the region; regional potential; marketing potential of the region; marketing activity of territorial units; use of the regional economic potential; system of indicators; competitive advantages of the region.
SAATLERI AYARLAMA ENSTUTUSU
Saatleri Ayarlama Enstitüsü'nde yer alan kişilerin Halit Ayarcı, Hayri İrdal, Ahmet Zamani Efendi, İspiritizmacılar, Define Peşinde Koşanlar vs. hemen hepsi içinde bulundukları durumu iyiye götürmek için gerçek dışı yöntem arayışına girerler. Bu tesadüf değildir. Romanın bünyesi ve iç mantığının doğal sonucudur; ancak doğal sonuç olarak kalmaz, sembolik olarak Cumhuriyet'in başlangıç aşamasındaki Batılılaşma'nın ve bu yöndeki çözüm arayışlarının da gerçekten ne kadar kopuk, hayat pratiğinden ne kadar yalıtılmış olduğunu göstermesi açısından da manidardır. Yazar, bunu doğrudan söyleyemediği için de ironiye başvurmak zorunda kalmıştır ister istemez.
Measuring Effectiveness of University Libraries: A Case Study of Bangladesh
2003
Thesis Submitted in Partial Fulfilment of the Requirement of the Degree of Doctor of Philosophy in the Department of Library and Information Science of North-Eastern Hill University, Shillong-14, India. April, 2003 MEASURING EFFECTIVENESS OF UNIVERSITY LIBRARIES: A CASE STUDY OF BANGLADESH
YOUTH TRAINING CENTER DESIGN ARCHITECTUREAL THESIS
Pabna University of science and technology, 2021
Youth constitute one-third of Bangladesh’s population and this demographic structure has poised her for ‘Demographic Dividend’. Our young people outnumber the old, and hence, we have more people who are able to work than those who are not. Reaping the demographic dividend is inextricably linked to the development and empowerment of young men and women Independent and sovereign Bangladesh came into being through a long struggle and the great Liberation War under the leadership of Father of the Nation Bangabandhu Sheikh Mujibur Rahman. The saga of all the endeavours to establish and develop the Bangali nationhood is glorious with the supreme sacrifices of youth. The youth played a valiant role at all critical junctures in the life of the nation, e.g. the Language Movement of 1952, Six-Point Movement initiated in 1966, Mass Uprising in 1969, General Elections in 1970 leading to Non-Cooperation Movement, the great Liberation War in 1971 and Public Uprising against the Autocratic Regime in 1990. Without absolute fulfillment of the youth’s potential, it is not possible for youth to develop their life nor for the nation to make inclusive advancement. There is no alternative to making sure that youth, the most creative and enterprising among the people, participate at local, national and international levels in the achievement of Vision 2021,Vision 2041 and the UN-adopted Sustainable Development Goals (2016-30).Youth development and empowerment also depend on their inclusion in decision-making process. To materialize this, a young community infused with high human and moral spirit and equipped with quality education and training is essential. Every young male and female will have an easier journey to development and empowerment if he or she is shaped accordingly. As a result, they will be able to devote themselves with confidence and competence to the mission of making Bangladesh a ‘Digital Bangladesh’, to elevating her to a middle-income country by 2021 and a developed nation in the world by 2041. National Youth Policy 2017 is framed with the spirit of nurturing in youth an exalted kind of mind, heart and soul and boosting them with the sense of responsibility to the country, society and the environment and developing them eventually into a modern and capable generation on a par with the 21st Century. Design of this youth’s training center will help our youth to be financially and mentally independent. Youth’s training center is a platform of youth where they will innovate themselves. Without the development of youth our nation cannot progress. So the design of a conducive learning environment for youth is very necessary.
Design and Fabrication of Pesticides Spraying Drone for Agriculture
IRJET, 2022
There are many technologies involved in modern Agriculture, where spraying with pesticides using drones is one of the emerging technologies. Spraying with personal insecticide causes many harmful effects on the workers involved in the spraying program. Exposure effects can range from mild skin irritation to birth defects, tumors, genetic mutations, blood and nerve disorders, endocrine disorders, dehydration or death. The WHO (World Health Organization) estimated that as many as one million infected cases were sprayed with insecticides on the plant. This explored the design of a non-aircraft fitted with a 12 V sprayer, a 0.50 Gm Liter storage tank, 4 microphones for atomize with a good spray, an octocopter stop frame, a suitable seating frame, 8 m-Brushless Direct Current (BLDC) has suitable propellers to produce the required thrust of about 38.2 KG (100% RPM) and a suitable Lithium-Polymer (LI-PO) battery with a current capacity of 22000 mAh and 22.2 V to meet the required current requirements and voltage. The First-Person View (FPV) camera and transmitter can be adjusted and wireless to monitor the spraying process and monitor pest infestation on plants. This pesticide spray drone reduces the time, number of workers and the cost of installing a pesticide. This type of drone can also be used to spray disinfectant on buildings, bodies of water and in densely populated areas by altering the flow of pump discharge.
Heidegger and Pragmatism - Course Guide and Syllabus
Seminar entitled Heidegger and Pragmatism, taught at Freie Universität Berlin. Summary: Heidegger’s life-long aim was that of thematising or tackling the question of being, i.e. what does it mean for something to be? In Being and Time he arguably failed in this endeavour. Nonetheless, this text provides insights into questions as diverse as: How is it that we have a meaningful engagement with other beings? How do beings and action gain meaning? What does it mean to exist as a self? How does one become who one is and what role does self- understanding play in this? What does it mean to always find oneself emotionally attuned? What is the nature of intersubjectivity and how can we square freedom with living in a shared public world? How are we embedded in the world and what is the normative force of using tools? How is the world around us structured? What is the relation between the structure of our existence and knowledge? Heidegger not only had a considerable impact on “continental” philosophers such as Merleau-Ponty, Derrida, Foucault, Agamben, etc. Thanks to Heidegger scholars such as Hubert Dreyfus, his ideas have been proven fruitful in the post-analytic anglophone setting. In this context, the interpretation of Heidegger’s philosophy has been influenced by the pragmatist tradition. This approach seeks to bring clarity to Heidegger’s highly complex arguments, while it tends to ignore the themes coming from the "existentialist" Heidegger (e.g. authenticity, death, anxiety) or the topic of temporality. In doing so, this reading makes up for an accessible way of approaching Heidegger's philosophy. It is this pragmatist anglophone reading of Heidegger’s early philosophy that this seminar seeks to explore. Apart from the pragmatist input from the secondary literature on Heidegger (e.g. Okrent, Dreyfus, Blattner, etc) we shall also succinctly survey texts belonging to classical pragmatism (by Peirce, James, and Dewey) in order to assess whether this is a justified reading of Heidegger.
Cisco Networking/CCENT/Ethernet LANs
This lesson covers Ethernet LANs.
Contents
1
Objectives and Skills
2
Readings
3
Multimedia
4
Activities
5
Lesson Summary
6
Key Terms
7
Review Questions
8
Assessments
9
See Also
10
References
Objectives and Skills
[1]
Objectives and skills for the Ethernet LANs and Devices portion of Cisco CCENT certification include:
Select the components required to meet a given network specification
Identify the appropriate media, cables, ports, and connectors to connect Cisco network devices to other network
devices and hosts in a LAN
Determine the technology and media access control method for Ethernet networks
Readings
1. Wikipedia: Ethernet
2. Wikipedia: Ethernet frame
3. Wikipedia: Hierarchical internetworking model
4. Cisco: Introduction to LAN Protocols
5. Cisco: Ethernet Technologies
Multimedia
1. YouTube: Ethernet Standards - CompTIA Network+ N10-006 - 5.4
2. YouTube: Collision Domains and Broadcast Domains - CompTIA Network+ N10-005: 1.4
3. YouTube: Crossover and Straight Through Cables - CompTIA Network+ N10-005: 3.1
4. YouTube: Media Distance and Speed Limitations - CompTIA Network+ N10-005: 3.1
5. YouTube: MAC Address Formats - CompTIA Network+ N10-005: 1.3
6. YouTube: Understanding Unicast, Multicast, and Broadcast - CompTIA Network+ N10-005: 1.3
7. YouTube: Wireless Connections - CompTIA Network+ N10-006 - 2.7
8. Cisco: Introduction to LAN Switches
9. YouTube: Hubs, Switches, and Routers
Activities
1. Review TechRepublic: Five Free Apps for Diagramming Your Network. Examine your school, work, or home network
and draw a network diagram that documents the network infrastructure. Include all networks, routers, switches, and
access points in the building.
2. For the network diagram above, identify the cable categories and data link technologies in use. Which links are
copper, which are fiber, and which are wireless? Which categories of copper and which ty
pes of fiber are installed?
Which protocols / bandwidth speeds are in use (100BASE-T
, 1000BASE-T, 802.11a/b/g/n/ac, etc.)? Which links are
half-duplex and which links are full duplex?
3. Enhance the network diagram above by adding IP addresses and MAC addresses to all devices. How many collision
domains are included? How many broadcast domains are included?
Lesson Summary
[2]
Ethernet networking devices include repeaters and hubs, bridges and switches, access points, and routers.
Repeaters and hubs function at the physical layer
, forwarding bits to all connected devices.[3]
Bridges and switches function at the data link layer
, forwarding frames only to one or multiple devices that need to
receive it.[4]
[5]
Access points function at the data link layer
, acting as a bridge between wired and wireless networks.
Routers function at the network layer, forwarding packets between computer networks.[6]
An Ethernet frame is preceded by a preamble and start frame delimiter (SFD), which are both part of the Ethernet
packet at the physical layer. Each Ethernet frame starts with an Ethernet header, which contains destination and
source MAC addresses as its first two fields. The middle section of the frame is payload data including any headers
for other protocols (for example, Internet Protocol) carried in the frame. The frame ends with a frame check
[7]
sequence (FCS), which is a 32-bit cyclic redundancy check used to detect any in-transit corruption of data.
A collision domain is a section of a network connected by a shared medium or through repeaters where data packets
can collide with one another when being sent. A collision occurs when more than one device attempts to send a
[8]
packet on a network segment at the same time.
A broadcast domain is a logical division of a computer network, in which all nodes can reach each other by
[9]
broadcast at the data link layer, either within the same network segment or bridged to other network segments.
[10]
Bridges and switches separate collision domains.
Routers separate broadcast domains.[11]
Access layer devices connect end-workstations and servers, and may or may not provide layer 3 switching
services.[12]
[13]
Distribution layer devices connect, route, and filter access layer devices.
Core layer devices provide high-speed, highly-redundant forwarding services to move packets between distributionlayer devices in different regions of the network.[14]
Key Terms
1000BASE-T
A term describing various technologies for transmitting Ethernet frames over category 5 or
better twisted pair cables at a rate of one gigabit per second,[15]
100BASE-T
A term describing any of several Fast Ethernet standards for transmitting Ethernet frames
over category 5 or better twisted pair cables at a rate of 100 Mbit/s.[16]
10BASE-T
A term describing technologies for transmitting Ethernet frames of category 3 or better
twisted pair cables at a rate of 10 Mbit/s.[17]
bridge
A device that connects two network segments, typically by operating transparently and
deciding on a packet-by-packet basis whether or not to forward from one network segment
to the other.[18]
broadcast address
A logical address at which all devices connected to a multiple-access communications
network are enabled to receive datagrams.[19]
category 3 cable
An unshielded twisted pair cable used in telephone wiring designed to reliably carry data up
to 10 Mbit/s.[20]
category 5 cable
A twisted pair cable for carrying signals with performance of up to 100 MHz and is suitable
for 10BASE-T, 100BASE-TX (Fast Ethernet), and 1000BASE-T (Gigabit Ethernet).[21]
category 6 cable
A cable standard provides performance of up to 250 MHz and is suitable for 10BASE-T,
100BASE-TX (Fast Ethernet), 1000BASE-T/1000BASE-TX (Gigabit Ethernet), and
10GBASE-T (10-Gigabit Ethernet).[22]
crossover cable
A type of Ethernet cable used to connect computing devices together directly, most often
used to connect two devices of the same type, such as two computers or two switches to
each other.[23]
carrier sense multiple access with collision detection (CSMA/CD)
A media access control method in which a transmitting data station detects other signals
while transmitting a frame, and stops transmitting that frame, transmits a jam signal, and
then waits for a random time interval before trying to resend the frame.[24]
Ethernet
A family of computer networking technologies for local area networks (LANs) and
metropolitan area networks (MANs) commercially introduced in 1980 and first standardized
in 1983 as IEEE 802.3.[25]
Ethernet address
See MAC address.[26]
Fast Ethernet
See 100BASE-T.[27]
Frame Check Sequence
A 32-bit cyclic redundancy check used to detect any in-transit corruption of data.[28]
full-duplex
A system that allows communication in both directions simultaneously.[29]
Gigabit Ethernet
See 1000BASE-T.[30]
half-duplex
A system that provides communication in both directions, but only one direction at a time
(not simultaneously).[31]
hub
A device used to connect multiple Ethernet devices together at the physical layer and make
them act as a single network segment.[32]
Institute of Electrical and Electronics Engineers (IEEE)
The organization responsible for the standards defining the physical layer and data link
layer's media access control (MAC) of wired Ethernet.[33]
media access control (MAC) address
A unique identifier assigned to network interfaces for communications on the physical
network segment.[34]
multicast address
A logical identifier for a group of hosts in a computer network, that are available to process
datagrams or frames intended to be sent to a group of destination hosts
simultaneously.[35][36]
network interface card (NIC)
Also known as network interface controller, a computer hardware component that connects a
computer to a computer network.[37]
organizationally unique identifier (OUI)
A 24-bit number that uniquely identifies a vendor, manufacturer, or other organization
globally or worldwide, and used as the first three octets of a MAC address.[38]
RJ-11 (Registered Jack-11)
A 6 position 2, 4 or 6 contact modular connector typically used for phone cable
connections[39]
RJ-45 (Registered Jack-45)
An 8 position 8 contact modular connector typically used for network cable connections.[40]
repeater
See hub.[41]
rollover cable
A type of null-modem cable that is often used to connect a computer terminal to a router's
console port.[42]
router
A networking device that forwards data packets between computer networks.[43]
straight-through cable
A type of Ethernet cable used to connect devices of different types together, such as a
computer to a network switch or hub.[44]
switch
A computer networking device that connects devices together on a computer network, by
using packet switching to receive, process and forward data to one or multiple devices that
need to receive it.[45]
unicast address
A unique address identifying a single network destination for a transmission.[46]
Review Questions
1. Ethernet networking devices include _____, _____, _____, and _____.
Ethernet networking devices include repeaters and hubs, bridges and switches, access points, and routers.
2. Repeaters and hubs function at the _____ layer
, forwarding _____ to _____.
Repeaters and hubs function at the physical layer
, forwarding bits to all connected devices.
3. Bridges and switches function at the _____ layer
, forwarding _____ only to _____.
Bridges and switches function at the data link layer
, forwarding frames only to one or multiple devices that need to
receive it.
4. Access points function at the _____ layer
, acting as a _____ between _____.
Access points function at the data link layer
, acting as a bridge between wired and wireless networks.
5. Routers function at the _____ layer, forwarding _____ between _____.
Routers function at the network layer, forwarding packets between computer networks.
6. An Ethernet frame is preceded by _____, which are both part of the Ethernet packet at the _____ layer
.
An Ethernet frame is preceded by a preamble and start frame delimiter (SFD), which are both part of the Ethernet
packet at the physical layer.
7. Each Ethernet frame starts with _____, which contains _____ as its first two fields.
Each Ethernet frame starts with an Ethernet header
, which contains destination and source MAC addresses as its
first two fields.
8. The middle section of an Ethernet frame is _____ including _____.
The middle section of an Ethernet frame is payload data including any headers for other protocols (for example,
Internet Protocol) carried in the frame.
9. The Ethernet frame ends with _____.
The Ethernet frame ends with a frame check sequence (FCS), which is a 32-bit cyclic redundancy check used to
detect any in-transit corruption of data.
10. A collision domain is _____.
A collision domain is a section of a network connected by a shared medium or through repeaters where data packets
can collide with one another when being sent. A collision occurs when more than one device attempts to send a
packet on a network segment at the same time.
11. A broadcast domain is _____.
A broadcast domain is a logical division of a computer network, in which all nodes can reach each other by
broadcast at the data link layer, either within the same network segment or bridged to other network segments.
12. Bridges and switches separate _____ domains.
Bridges and switches separate collision domains.
13. Routers separate _____ domains.
Routers separate broadcast domains.
14. Access layer devices connect _____, and may or may not provide _____.
Access layer devices connect end-workstations and servers, and may or may not provide layer 3 switching services.
15. Distribution layer devices connect, route, and filter _____.
Distribution layer devices connect, route, and filter access layer devices.
16. Core layer devices provide high-speed, highly-redundant forwarding services to move packets between _____.
Core layer devices provide high-speed, highly-redundant forwarding services to move packets between distributionlayer devices in different regions of the network.
Assessments
Flashcards: Quizlet: CCENT - Ethernet LANs
Quiz: Quizlet: CCENT - Ethernet LANs
See Also
References
1. Cisco: ICND1 Exam Topics (https://learningnetwork.cisco.com/community/certifications/ccna/icnd1_v2/exam-topics)
2. Wikipedia: Ethernet
3. Wikipedia: Ethernet hub
4. Wikipedia: Network switch
5. Wikipedia: Wireless access point
6. Wikipedia: Router (computing)
7. Wikipedia: Ethernet frame
8. Wikipedia: Collision domain
9. Wikipedia: Broadcast domain
10. Wikipedia: Collision domain
11. Wikipedia: Broadcast domain
12. Wikipedia: Hierarchical internetworking model
13. Wikipedia: Hierarchical internetworking model
14. Wikipedia: Hierarchical internetworking model
15. Wikipedia: Gigabit Ethernet
16. Wikipedia: Fast Ethernet
17. Wikipedia: Ethernet over twisted pair
18. Wikipedia: Bridging (networking)
19. Wikipedia: Broadcast address
20. Wikipedia: Category 3 cable
21. Wikipedia: Category 5 cable
22. Wikipedia: Category 6 cable
23. Wikipedia: Ethernet crossover cable
24. Wikipedia: Carrier sense multiple access with collision detection
25. Wikipedia: Ethernet
26. Wikipedia: Ethernet
27. Wikipedia: Fast Ethernet
28. Wikipedia: Ethernet frame
29. Wikipedia: Duplex (telecommunications)
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
Wikipedia: Gigabit Ethernet
Wikipedia: Duplex (telecommunications)
Wikipedia: Ethernet hub
Wikipedia: IEEE 802.3
Wikipedia: MAC address
Wikipedia: Multicast address
Wikipedia: Multicast
Wikipedia: Network interface controller
Wikipedia: Organizationally unique identifier
Wikipedia: Registered jack
Wikipedia: Registered jack
Wikipedia: Ethernet hub
Wikipedia: Rollover cable
Wikipedia: Router (computing)
Wikipedia: Ethernet crossover cable
Wikipedia: Network switch
Wikipedia: Unicast
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