Attacks on layer two of the OSI model Seven layers of OSI In 1977 a model called Open Systems Interconnection (OSI) was proposed‚ with the aim to establish an interoperability standard for different vendor products. This model defines several layers related to data transfer‚ from the lowest (physical) to the highest (application) layer. They have a strong dependence upon one another and headers are usually added when traversing from a lower layer to a higher one. The seven layers are: Layer 1 -
Premium OSI model Ethernet Internet Protocol Suite
Panic Attack Written by: Amarjit Kaur Fundamental of Nursing (Chapter 6) Panic attack is a sudden episode of intense fear that develops for no apparent reason and that triggers severe physical reactions. Panic attacks can be very frightening. When a panic attack occurs‚ the people might think that they are losing control‚ having a heart attack or even dying. People may have only one or two panic attacks in their lifetime‚ but if they have panic attack frequently‚ it could mean that they
Premium Panic attack Panic disorder Anxiety
Running head: Heart Attack Heart attack: sudden illness Ridhima Katyal First Aid and CPR (HNES 210) December 6‚ 2008 North Dakota State University A heart attack occurs when the blood supply to part of the heart muscle itself — the myocardium
Premium Heart Myocardial infarction Atherosclerosis
point higher than the Dubai World Trade Centre at the time. At first the architect Hazel Wong designed both towers as office towers but according to financial market analysis the shorter tower was converted into a hotel. Background Jumeirah Emirates Towers was completed in the late 20th century (2000). It is now one of the most stunning architectural highlights on the Dubai skyline. The Towers are located on Sheikh Zayed Road; the centre of Dubai’s commercial business district and a highly visible
Premium Mohammed bin Rashid Al Maktoum United Arab Emirates Emirates Office Tower
On september 11th 2001 a series of 4 terrorist attacks by Al-Qaeda occurred killing almost 3000 people and injuring over 6000. This terrorist attack resulted in the destruction of the world trade centre and overwhelming damage to nearby buildings. Many studies and investigations have been performed by social scientists looking into the attack‚ resulting in many different answers and also conspiracies. As displayed in the information provided below‚ anthropologists‚ sociologists and psychologists
Premium Police Crime Police officer
made hundreds of attacks on targets in northwest Pakistan since 2004 using drones (unmanned aerial vehicles) controlled by the American Central Intelligence Agency ’s Special Activities Division.[4] Most of these attacks are on targets in the Federally Administered Tribal Areas along the Afghan border in Northwest Pakistan. These strikes were begun by President George W. Bush and have increased substantially under President Barack Obama.[5] Some media refer to the series of attacks as a "drone war"
Premium George W. Bush United States Al-Qaeda
out in the deeper water‚ and all of a sudden‚ a dorsal fin pops out. For everyone on the beach who sees it‚ music from Jaws starts playing in their heads. The swimmer does not even notice it‚ and in a few seconds‚ a great white shark veraciously attacks him. This is what comes to mind when most people think of sharks‚ but they are not really just man-eating monsters of the sea. Sharks are a fascinating group of fishes that strike fear into the minds of humans‚ but they are nothing to be afraid
Premium Shark Ocean Great white shark
Story: Woolwich Attack On May 22 2013‚ a British Army soldier named Drummer (Private) Lee Rigby of the Royal Regiment of Fusiliers was killed by two men in Woolwich‚ southeast London. Rigby was off duty whilst walking down Wellington Street at the time of the attack. At first he was run down with a car‚ then the attackers used knives and a cleaver to stab him which resulted in his death. They then dragged him onto the road and waited for police to arrive. Five minutes after the attack‚ armed police
Free Islam Muslim Qur'an
"Attack" is a poem written in 1917 by Siegfried Sassoon while he was convalescing from his wounds in a hospital in Scotland. He was a soldier who fought in the First World War. Attack is a short‚ 13-line poem written in speech rhythm with some rhyme. The poem is described in a very vivid way which makes the reader think that the author himself witnessed the scene. The poem begins with the poet describing the setting of the poem. The landscape is in a battlefield where there are still remains of previous
Premium Poetry Siegfried Sassoon Rhyme
Salami Attack A salami attack is when small attacks add up to one major attack that can go undetected due to the nature of this type of cyber crime. It also known as salami slicing/penny shaving where the attacker uses an online database to seize the information of customers‚ that is bank/credit card details‚ deducting minuscule amounts from every account over a period of time. These amounts naturally add up to large sums of money that is unnoticeably taken from the collective accounts. Most people
Premium Attack Attack!