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

3. bob is arguing that if you use output feedback (ofb) mode twice in a row to encrypt a long message, m, using the same key each time, it will be more secure. explain why bob is wrong, no matter what encryption algorithm he is using for block encryption (15 points).

One of your customers wants you to build a personal server that he can use in his home. one of his concerns is making sure he has at least one backup of their data stored on the server in the event that a disk fails. you have decided to back up his data using raid. since this server is for personal use only, the customer wants to keep costs down. therefore, he would like to keep the number of drives to a minimum. which of the following raid systems would best meet the customer's specifications? a. raid 0 b. raid 1 c. raid 5 d. raid 10

Many everyday occurrences can be represented as a binary bit. for example, a door is open or closed, the stove is on or off, and the fog is asleep or awake. could relationships be represented as a binary value? give example.