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Computer Communication Networks Multiple Choice Question Paper 2. All Questions are about Network Layers, IP Configuring, IP Networking, IP Subnet Mask, Network IP Setting Multiple Choice Questions, IP Gateways, IP version 4 and IP version 6 related questions.
Sample Question Paper IP Configuring QUESTION 1: Part (a) Describe how a switch decides whether it should a frame, and tell how it chooses the output interface. Part (b) How do the layers of the Internet model correlate to the layers of the OSI model? Part (c) When a party makes a local telephone call to another party, is this a point-to-point or multipoint connection? Explain your answer. Part (d If the commands router igrp 1 and network 10.0.0.0 are configured in a router that has an Ethernet 0 interface with IP address 126.96.36.199, mask 255.255.255.0, does this router have a route to 188.8.131.52? Part (e) Describe the purpose and meaning of route poisoning. Part (e) What is difference in Network Administration and System Administration? QUESTION 2: You design a secure network for a customer who wants the same subnet mask on every subnet. The customer will use network 10.0.0.0 and needs 200 subnets, each with 200 hosts maximum. What subnet mask would you use to allow the most growth in subnets? Which mask would work and would allow for the most growth in the number of hosts per subnet? QUESTION 3: Create a configuration for IGRP on a router with these interfaces and addresses: to0 using 184.108.40.206, e0 using 220.127.116.11, s0 using 18.104.22.168, and s1 using 22.214.171.124. QUESTION 4: 1. Which of the following addresses can be assigned to a host when using a subnet mask of 255.255.254.0? (Select three) A. 126.96.36.199 B. 188.8.131.52 C. 184.108.40.206 D. 220.127.116.11 E. 18.104.22.168 F. 22.214.171.124 2. IIUI has a Class C network and you need ten subnets. You wish to have as many addresses available for hosts as possible. Which one of the following subnet mask should you use? A. 255.255.255.192 B. 255.255.255.224 C. 255.255.255.240 D. 255.255.255.248 E. None of the above 3. If an Ethernet port on Router DCS was assigned an IP address of 172.16.112.1/20, what is the maximum number of hosts allowed on this LAN subnet? A. 2046 B. 1024 C. 4096. D.8190 E.4094 F. None 4. The Computer Science network was assigned the class C network 126.96.36.199 from the PTCL. If the administrator at Computer Science were to subnet this class C network using the 255.255.255.254 subnet mask, how many hosts will they be able to support on each subnet? A. 14 B.16 C. 30 D.32 D. 62 F.64 5. A host on the DCS network has been configured with the IP address 10.16.3.66/23. Which two statements describe this IP address? (Choose two) A. The broadcast address of the subnet is 10.16.3.255 255.255.254.0 B. The network is not subnetted. C. The last valid host address in the subnet is 10.16.2.254 255.255.254.0 D. The subnet address is 10.16.3.0 255.255.254.0 E. The lowest host address in the subnet is 10.16.2.1 255.255.254.0 6. You have a single Class C IP address and a point-to-point serial link that you want to implement VLSM on. Which subnet mask is the most efficient for this point to point link? Page 2 A. 255.255.255.0 B. 255.255.255.240 C. 255.255.255.248 D. 255.255.255.252 E. 255.255.255.254 F. None of the Above 7. You have a network that supports VLSM and you need to reduce IP address waste in your point to point WAN links. Which of the mask below would you use? A. /38 B. /30 C. /23 D. /18 E. /32 8. Which OSI layers header contains the address of a destination host that is on another network? A. Application B. Presentation C. Session D. Transport E. Network F. Data Link G. Physical 9. The TCP/IP network model from the more popular OSI model. Which of the layers below belong to the TCP/IP model. (Select all that apply) A. Application B. Session Layer C. Transport Layer D. Internet Layer E. Network Layer F. Data Link Layer G. Physical Layer 10. At which layer of the OSI model is the optimal path to a network destination determined at? A. Data link layer B. Session C. Presentation D. Network E. Transport Page 3 Page 4
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