Answer: Style inheritance
Explanation:
Style inheritance is used to design style sheets. It is a process in which properties are inherited by children from a parent element. For example you wish that all text on a page use same font color i.e. red. You can apply they following style for <body> tag like {body color:red;}. All the elements in the web page will inherit this font color. This is better to use than to create styles for each tag. Every heading and paragraph will be displayed in this font color until you define different color for particular element.
<em>Answer:</em>
<em>Each entry in the label stack contains four fields:
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<em>A 20-bit label value. A label with the value of 1 represents the router alert label.
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<em>a 3-bit Traffic Class field for QoS (quality of service) priority and ECN (Explicit Congestion Notification). Prior to 2009 this field was called EXP.[8]
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<em>a 1-bit bottom of stack flag. If this is set, it signifies that the current label is the last in the stack.
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<em>an 8-bit TTL (time to live) field.</em>
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The rule for object moving at constant (average) velocity is
where is the space, is the velocity and is time. We deduce that
So, to travel 450km at a rate of 130km/h, it will take
So, starting 1PM, after about 3.5 hours it wil be 4.30PM