Answer:
B. 80%
Explanation:
To assertain:
1 hit takes 1 clock cycle while 1 miss takes 6 clock cycles
Assuming that:
- we have 100 accesses in total,
- p are hits,
- 100 - p are misses

Hence, option B. 80% will result in an effective access time of 2 clock cycles.
Answer:
wireless replay attack
Explanation:
Based on the scenario being described within the question it can be said that the type of attack that is being described is known as a wireless replay attack. Like mentioned in the question this is a network attack where an individual hijacks data in the middle of it being sent in order to copy it before the data reaches the intended recipient. This information can then be used for whatever the attacker intends.
Answer:
Computer has making human life faster because of its incredible speed,Accuracy and storage, with which human can save anything and search it out easily when needed. We can say computer a versatile machine because it is very flexible in performing their jobs.
1. Learning Languages such as C+, VB, etc.
2. Gather data, proficient websites that will come to your need.
3. Install certain softwares to see it in action.
4. Do lots and lots of studying and research.
5. Ask for help, the Internet is here.
The answer would be d, none kf the above.