Track and field is a collection of athletic events that involve running, throwing, jumping, and walking. There are short, middle, and long distance running races on the track ranging from 50m to 10,000m. Field events include jumping events like long jump, triple jump, high jump, and pole vault as well as throwing events such as shot put, discus, javelin, and hammer throw. The decathlon and heptathlon involve completing a variety of track and field events over two days to test athletes' overall abilities.
Sports 101: Get to Know the Types of Running Sportsjane arellano
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La preparacion fisica en el futbol base para entrenadoresJavier Perez
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Sports 101: Get to Know the Types of Running Sportsjane arellano
Afterschool.ae is the largest dedicated provider of quality on-site after school activities, programs, tutoring, summer camps, sports and child care services in United Arab Emirates
La preparacion fisica en el futbol base para entrenadoresJavier Perez
Es una presentación sobre la preparación fisica en fútbol base a entrenadores que no tienen preparadores físicos.
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Multi-cluster Kubernetes Networking- Patterns, Projects and GuidelinesSanjeev Rampal
Talk presented at Kubernetes Community Day, New York, May 2024.
Technical summary of Multi-Cluster Kubernetes Networking architectures with focus on 4 key topics.
1) Key patterns for Multi-cluster architectures
2) Architectural comparison of several OSS/ CNCF projects to address these patterns
3) Evolution trends for the APIs of these projects
4) Some design recommendations & guidelines for adopting/ deploying these solutions.
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# Internet Security: Safeguarding Your Digital World
In the contemporary digital age, the internet is a cornerstone of our daily lives. It connects us to vast amounts of information, provides platforms for communication, enables commerce, and offers endless entertainment. However, with these conveniences come significant security challenges. Internet security is essential to protect our digital identities, sensitive data, and overall online experience. This comprehensive guide explores the multifaceted world of internet security, providing insights into its importance, common threats, and effective strategies to safeguard your digital world.
## Understanding Internet Security
Internet security encompasses the measures and protocols used to protect information, devices, and networks from unauthorized access, attacks, and damage. It involves a wide range of practices designed to safeguard data confidentiality, integrity, and availability. Effective internet security is crucial for individuals, businesses, and governments alike, as cyber threats continue to evolve in complexity and scale.
### Key Components of Internet Security
1. **Confidentiality**: Ensuring that information is accessible only to those authorized to access it.
2. **Integrity**: Protecting information from being altered or tampered with by unauthorized parties.
3. **Availability**: Ensuring that authorized users have reliable access to information and resources when needed.
## Common Internet Security Threats
Cyber threats are numerous and constantly evolving. Understanding these threats is the first step in protecting against them. Some of the most common internet security threats include:
### Malware
Malware, or malicious software, is designed to harm, exploit, or otherwise compromise a device, network, or service. Common types of malware include:
- **Viruses**: Programs that attach themselves to legitimate software and replicate, spreading to other programs and files.
- **Worms**: Standalone malware that replicates itself to spread to other computers.
- **Trojan Horses**: Malicious software disguised as legitimate software.
- **Ransomware**: Malware that encrypts a user's files and demands a ransom for the decryption key.
- **Spyware**: Software that secretly monitors and collects user information.
### Phishing
Phishing is a social engineering attack that aims to steal sensitive information such as usernames, passwords, and credit card details. Attackers often masquerade as trusted entities in email or other communication channels, tricking victims into providing their information.
### Man-in-the-Middle (MitM) Attacks
MitM attacks occur when an attacker intercepts and potentially alters communication between two parties without their knowledge. This can lead to the unauthorized acquisition of sensitive information.
### Denial-of-Service (DoS) and Distributed Denial-of-Service (DDoS) Attacks
1.Wireless Communication System_Wireless communication is a broad term that i...JeyaPerumal1
Wireless communication involves the transmission of information over a distance without the help of wires, cables or any other forms of electrical conductors.
Wireless communication is a broad term that incorporates all procedures and forms of connecting and communicating between two or more devices using a wireless signal through wireless communication technologies and devices.
Features of Wireless Communication
The evolution of wireless technology has brought many advancements with its effective features.
The transmitted distance can be anywhere between a few meters (for example, a television's remote control) and thousands of kilometers (for example, radio communication).
Wireless communication can be used for cellular telephony, wireless access to the internet, wireless home networking, and so on.
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APNIC Foundation, presented by Ellisha Heppner at the PNG DNS Forum 2024APNIC
Ellisha Heppner, Grant Management Lead, presented an update on APNIC Foundation to the PNG DNS Forum held from 6 to 10 May, 2024 in Port Moresby, Papua New Guinea.
3. The track:
It is split into six to ten
lanes which circle
around an inner field
used for throwing and
jumping events.
4. The winner of all races conducted on the track is the
first person whose torso crosses the finishing line.
A runner is disqualified from a race
if they make two false starts, which
are counted if they leave the
starting blocks before the starting
gun is fired.
5. STARTING BLOCK
Device made up of two
adjustable pedals that
allow sprinters to give
themselves momentum
during a start.
7. SHORT DISTANCE RACES
• 100 m - The shortest running event in athletics.
• 200 m - As with the 100 m, the 200 m requires
instant acceleration but it also needs stamina to
maintain the speed for the duration of the race.
• 400 m - The distance of one circuit around the
track.
• 600 m (this is only included in Indoor Athletics
competitions).
8. MIDDLE DISTANCE RACES
•800 m - This consists of two circuits around the
track, requiring the athlete to demonstrate good
speed combined with endurance.
•1500 m - Also known as the metric mile, the
1500m race requires athletes to run 3.75 times
around the track. It requires endurance in order
that contestants maintain speed and have enough
energy to make a final push to the finish line.
10. LONG DISTANCE RACES
•3000 m - A distance that is
often run by runners who are
comfortable at both 1500m
and 5000m.
•5000 m - Requiring extreme
endurance and aerobic
training the 5000 m requires
athletes to run 12.5 times
around the track.
•10000 m - The longest track
event in athletics
competition, the 10000 m
requires intense training
sessions in order that the
athlete can build up the
stamina and mental
determination necessary to
run the required 25 times
around the track.
11. Road Events– MARATHON
The marathon is a race covering the distance of 42.195 km,
which was first run by a Greek messenger in 490 BC.
– RACEWALKING
Racewalking is a popular event world wide but it is usually only
included in the major competitions, including the Olympics, the
Commonwealth Games and the IAAF Athletics World
Championships.
12. Others Races
RELAY
4 X 100 M
4 x 200 m
4 x 400 m
4 x 800 m
HURDLES
110 m. & 110 m.
400 m.
3.000 m.
14. JUMPING EVENTS
1. Starting run - this is the period of time
where the athlete gathers speed for the
take-off.
2. Take off - this is the transition between the
run and the jump with the athlete propelling
their body into the air.
3. Flight - this is the period of time when the
body is airborne, sending them horizontally
away from the starting point in the long
jump or triple jump and vertically over the
bar in the high jump.
4. Landing - this is the point at which the
athlete finishes the jump marking the
distance (in the case of the long jump and
triple jump) that they have travelled
through the air.
15. High Jump
In the high jump event, athletes
sprint down a runway towards a four
meter long horizontal bar and jump
vertically over the bar on to a
cushioned mattress
16. Long Jump
The long jump
requires athletes to
sprint down a runway
and jump off a raised
platform into a
stretch of sand or
other marked area,
with the aim of
landing as far from
the starting point as
possible.
17. Triple Jump
Also known as ‘the hop, step and
jump’ the triple jump requires the
athlete to begin with speed but to
maintain energy for the take-off.
18. Pole Vault
The pole vault requires
the athlete to clear the
height of a horizontal
bar with the assistance
of a vertical pole, with
the bar increasing in
height as more
athletes are eliminated
from the competition.
19. THROWING
EVENTS
The four events are:
the hammer, the
discus, the javelin
and the shot put
There are four different
throwing events included in
athletics competition which
require athletes to
demonstrate power, strength
and accuracy..
20. Hammer
The ‘hammer’ is an extremely
heavy metal ball weighing 7.2kg
which is attached to a handle by
a steel wire
21. Discus
Making use of a
spinning technique to
bring about speed and
strength, the discus
requires the athlete to
throw a disc shaped
object across the field
as far as possible.
22. Javelin
The Javelin combines
speed with great
strength, requiring the
athlete to throw a long
spiked pole as far as
possible across the
field.
23. Shot Put
Requiring perhaps more strength than any other
athletic event, the shot put requires the athlete
to throw an extremely heavy ball across a
specified distance by transferring leg strength up
through the arms.