Can use some help with Computer Networking, with a focus on routing protocols. Part A: Which of these routing protocols is the oldest? (Please select from one of the four options)1. RIP2. BGP3. OSPF4. IGRPPart B: Some routing protocols determine the best route to take based on how many routers a packet must traverse to reach its destination. Which metric measures this? (Please select from one of the four options)1. Hop count2. Latency3. MTU4. Link state

An excel which cell contains =b2 is copied to row below, the same column. what will be the new cell's content

This problem has been solved! see the answeran evil king has a cellar containing n bottles of expensive wine, and his guards have just caught a spy trying to poison the king’s wine. fortunately, the guards caught the spy after he succeeded in poisoning only one bottle. unfortunately, they don’t know which one. to make matters worse, the poison the spy used was very deadly; just one drop diluted even a billion to one will still kill someone. even so, the poison works slowly; it takes a full month for the person to die. design a scheme that allows the evil king to determine exactly which one of his wine bottles was poisoned in just one month’s time while expending at most o(logn) of his taste testers.you are not allowed to use n testers, one for each bottle, and see which one tester dies after 30 days.(no pseudocode needed. just answer in words, how many testers you use, how you use them and why you correctly identify the poisoned bottle in 30 days)

Which cultural aspect does this type of song best portray? a german polka dance