Computer Networking - A Top-Down Approach 7th Edition Principle of Computer Networking A. Which of the following is an important ATM service model? a) Constant bit rate (CBR) ATM network service b) Available bit rate (ABR) ATM network service c) Both A and B d) Neither A nor B B. Which of the following services could not be provided to a flow of packets between a given source and destination? a) In-order packet delivery b) Guaranteed maximum bandwidth c) Guaranteed maximum jitter d) Security services C. According to whether they are global or decentralized, the routing algorithms can be classified the global routing algorithm and decentralized routing algorithm a) True b) False