Answer:
The answer is "One week".
Explanation:
Following are the number represents of the given values:
Serial number (se) 
Refresh (ref)
Updated -retry (ret)
Expiry
Minimum 
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:
Click DATA, Look for "Sort & Filter", Click Filter Box (right above "Sort & Filter"). Done.
If the network administrator found that one of his routers is slow in performance better to check the traffic packet transactions. If any huge file size is been transferred better to disconnect the router and reconnect.
Possible to kill the network task packet so the network speed can be restored.
<u>Explanation:</u>
Moreover, possible to scan the end-user PC or workstation or desktop whether any malware or spyware is affected, if so better to remove that particular PC or workstation or desktop to disconnected from the router.
Updating the PC or workstation or desktop OS patches to be done at regular intervals.