40. QoS services are protocols that allow routers to make decisions about which IP datagram may be more important than others. Under which IP header field would QoS details be found?
- Total length field
- Identification field
- Service Type field
- Fragmentation offset field
41. What is the purpose of an ARP response?
- To improve authentication security
- To prevent a flood of UDP packets
- To let a broadcasting node know what is the MAC address to put into the destination hardware address field
- To send an ACK message to the broadcasting computer
42. What is one main reason CIDR is helpful in modern networking?
- CIDR increases network security with no additional resources
- CIDR simplifies MAC address assignment
- CIDR lowers the amount of power needed to run a server
- CIDR allows for more arbitrary network sizes
43. Interior gateway protocols are used by routers in order to share information within a single…
- subnet
- autonomous system
- collision domain
- destination network
