Name (Print) okS Final 12/14/2017 This is clo sed book exam. You may use one standard size 8 sides) containing your personally prepared notes for this exam. You w complete this exam. % x 11 sheet of paper 'both ill have 120 minutes to Part 1 Maltiple choice questions (20 points 2 1. Which statement is true about symmetric key cryptography? Both parties share same key a. . DES(Data Enryption Standard) implements symmetric ley eryplography It is not as efficient as private key Both (a) and (b) d. 2. What type of address does a router interpret? a. b. c. d. MAC address Network IP address Both (a) and (b) None of the above 3. Which of the following applications would be best suited to using UDP? a. b. c. d. Sending and receiving emails Logging to a host over the Internet Updating an inventory database Video transmission over the Web 4. What information is used by a process running on the host to identify a process running on another host? a. Socket b. Host IP address c. Subnet number d. MAC address As a networking consultant, you have been asked to help expand a client's TCPAP network. The network administrator tells you that the network ID is subnetted as 185.27.54.0/26. On this network how many bits of each IP address are devoted to host information? 5. c. 14 d. 26 Network security is about a. Confidentiality b. Authentication c. Message integrity d. All of the above 6. 7. Which of the following services is provided in UDP? a. Reliable transmission b. Flow control c. Congestion control d. Process-to-process communication Pa