*CS610* *01-02-25 (04:00)* Paper was very easy. MCQs from ur files handouts. *Short (3 marks)* 1️⃣ Suppose in an organization, packets arrived in equal time required to arrive packets to destination in the network. Considering the scenario what will be the jitter of the network. 2️⃣ In a medical company, network uses flow control to control the flow of packets. Considering the scenario which mechanism is used for flow control. 3️⃣ An IP Address has '1111' first four bits. Write the name of class in which the IP address lies. 4️⃣ A table of two columns was given, match column A to corresponding column B. *Column A* 1. OSPF is. 2. Networks and routers can be illustrated using OSPF. 3. *Column B* 1. protocol. 2. graph. 3. 5️⃣ Different types of ICMP error and informational messages are given below. You are required to identify two informational messages from the following list: 1. Echo request/reply 2. Time exceed 3. Destination unreachable 4. Address mask request/reply 5. Fragmentation required 6️⃣ A diagram was given in which 4 networks were connected through 3 routers. IP addresses of networks and each next hop were given. What will be the hop count from network D to network A. *Long (5 marks)* 1️⃣ Write that following technologies are used in LANs or in WANs: 1. Ethernet 2. Token ring 3. FDDI 4. Frame relay 5. Local talk 2️⃣ Five characteristics of UDP were given. It was to write that these are True/False. 1. It is message oriented protocol. 2. It is OS independent. 3. It is not an end to end protocol. 4. It is application to application protocol. 5. It provides connectionless service. 3️⃣ Write 5 complete names of multicast protocols. 4️⃣ Consider the IP address 217.10.170.10/26 and answer the following: 1. No. of bits used for subnetting. 2. No. of usable hosts. 3. Subnet Mask