Q.4 Each of the following addresses belongs to a block. Find the first and thelast address in each block. |a. 14.12.72.8/24b. 200.107.16.17/18c. 70.110.19.17/16Q.5 What is distance vector routing? Explain this example step by step anddefine the distance vector table for all node and after that find the new distancevector for node C and B.Dс11A72B

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Description: Q.4 Each of the following addresses belongs to a block. Find the first and thelast address in each block. |a. 14.12.72.8/24b. 200.107.16.17/18c. 70.110.19.17/16Q.5 What is distance vector routing? Explain this example step by step anddefine the dist

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Q.4 Each of the following addresses belongs to a block. Find the first and the last address in each block. | a. 14.12.72.8/24 b. 200.107.16.17/18 c. 70.110.19.17/16

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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06. The following vectors have just come in to router C: From B (5, 0, 8, 12, 6, 2); From D: (16, 12, 6, 0, 9, 10); From E: (7, 6, 3, 9, 0, 4) The measured delays to B, D and E are 6,3,5. What is the C's new routing table?
5.14. SDN implementation of Dijkstra’s algorithm. Consider the implementation of Dijkstra’s algorithm in an SDN framework. Which of the following statements are true? (Hint: more than one statement is true.) Group of answer choices a. When executing, Dijkstra’s algorithm will need to send messages to all of the routers to gather their link costs. b. When executing, Dijkstra’s algorithm will use the link-state database that is maintained within the SDN controller. c. When executing, Dijkstra’s algorithm will execute within the operating system of the SDN controller d. When executing, Dijkstra’s algorithm will run as a network control application “on top” on the SDN controller. e. If a router’s forwarding table should be changed as a result of running Dijkstra’s algorithm, the new flow table for that router will be updated by the SDN controller via the southbound API using the Openflow protocol. f. If a router’s forwarding table should be changed as a result of running Dijkstra’s…
IKT204-G H21, Routing tables 13 In this assignment, the objective is to determine the correct forwarding link given the routing table below. A router has the following entries in its forwarding table: Link1: 00001010.10101000.00000100.00000000/22 Link2: 00001010.10101000.00000110.00000000/23 Link3: 00001010.10101000.00000111.00000000/24 Link4: 00001010.10101000.00000000.00000000/16 Link5: All other addresses Assume the router receives IPV4 datagrams destined to the following addresses and decide which link they are forwarded to: A: 00001010.11111000.00000101.00001111 B: 00001010.10101000.00000111.00011000 C: 00001010.10101000.00000011.01010000 D: 00001010.10101000.00000111.11111110 E: 00001010.10101000.00000110.10000010 On which link will they be forwarded? A: link B: link C: link D: link E: link
Q.5 What is distance vector routing? Explain this example step by step and define the distance vector table for all node and after that find the new distance vector for node C and B. D 11 A 7 2 B
Networks and Security ( Cisco Packet Tracer ) 1. 802.3 AD is the IEEE specification for the Link Aggregation Control protocol. Why would an engineer select this method of bundling several ports together to form a single logical channel? List 3. 2. Create a logical port-channel between the 2 switches in LAB2 using LACP as the protocol. Spanning tree is blocking one of the ports allowing only a single path back to the root, thus eliminating a possible loop. What are the commands to accomplish this connectivity? What command verifies the channel is created and in use? ( Both links should become active )
5.14. SDN implementation of Dijkstra's algorithm. Consider the implementation of Dijkstra's algorithm in an SDN framework. Which of the following statements are true? (Hint: more than one statement is true.) If a router's forwarding table should be changed as a result of running Dijkstra's algorithm, the new flow table for that router will be updated by the SDN controller via the southbound API using the Openflow protocol. When executing, Dijkstra's algorithm will execute within the operating system of the SDN controller If a router's forwarding table should be changed as a result of running Dijkstra's algorithm, the implementation of Dijkstra's algorithm will determine the routers needing updated flow tables, and send the new flow tables to them directly using the OSPF protocol. When executing, Dijkstra's algorithm will need to send messages to all of the routers to gather their link costs. When executing, Dijkstra's algorithm will use the link-state database that is maintained within…
4.05-2. Generalized forwarding: specifying a flow table entry (b). Consider the three-node network below, that uses flow-based generalized forwarding (e.g., as in OpenFlow) in the network's routers. In the question below, we'll want to create match+action entries in the flow table at router r2, with three ports labelled 1,2,3 (in black). In the question, matches are constrained to be over only four fields: the IP source address, the IP destination address, the upper-layer protocol field of the IP datagram, and the destination port number of the transport-layer segment. The actions are either to drop or to forward(i), that is, to forward a matching packet on port i. The default action (unless stated otherwise) is that if a packet doesn't match a rule, it will be dropped.
6.4-4. Self Learning Switches (a). Consider the network below with six nodes, star-connected into an Ethernet switch. Suppose that A sends a frame to A, A' replies to A, then B sends a message to B' and B' replies to B. Enter the values that are present in the switch's forwarding table after B'-to-B frame is sent and received. Assumed that the table is initially empty and that entries are added to the table sequentially. Answer the questions below from the pulldown list. C' B' S A 3 A' B What is the first entry added to the table? [Choose ] [Choose ] B,2 What is the second entry added to the table? C,6 What is the third entry added to the table? What is the fourth entry added to the table? C,3 A,4 B₁,5 A,1 [Choose ] <
4.2-4. Longest prefix matching. Consider the following forwarding table below. Indicate the output to link interface to which a datagram with the destination addresses below will be forwarded under longest prefix matching. (Note: The list of addresses is ordered below. If two addresses map to the same output link interface, map the first of these two addresses to the first instance of that link interface.) [Note: You can find more examples of problems similar to this here.] Destination Address Range Link interface 11001000 00010111 00010*** ****k*** 11001000 00010111 00011000 ******** 11001000 00010111 00011*** 2 ******** otherwise 3 11001000 00010111 00010010 10101101 A. This is the first destination address in the list that maps to output port 0. : 11001000 00010111 00011000 00001101 B. This is the first destination address in the list that maps to output port : 11001000 00010111 00011001 11001101 1. e 10001000 11100000 00011000 00001101 C. This is the first destination address in…
Consider the MIPS System V ABI. Incoming arguments spilling onto the stack should be located: O a. At the bottom of the new frame O b. At the top of the new frame O. Above the old Ssp O d. In the middle of the new frame tion Check Consider the MIPS System V ABI. Locals and temporary values should be placed on the stack frame at which location: O a. At the top of the new frame O b. At the bottom of the new frame O. Above the old $sp O d. In the middle of the new frame cion Check Consider the MIPS System V ABI. A function call has allocated a stack frame. It calls another function, and arguments spill onto the stack should at which location: a. At the bottom of the new frame O b. Above the old $sp In the middle of the new frame O d. At the top of the new frame tion O c. Check
Q1: Routing Algorithms W 6. 2 4 U 10 V Y 3 Figure 1: Five Node Network (A) Show the operations of distance vector (DV) algorithm that will lead to the convergence of the routing table of any 3 nodes [U, V, W, X, Y] in the network shown in Figure 1. Show the different routing tables of the selected nodes in each round of updates from the node's neighbors. (B) Using the link state (LS) algorithm routing, compute the least-cost path from the nodes selected in question (A) above to all the possible destinations in the network. Show the table summary of the algorithm's computation of the paths. (C) Is the final routing table for the nodes in (A) and (B) similar? If yes, why? If No, why not?
6. An ISP assigns a customer a /23 IPV4 address block. a) The maximum number ofbitsthe customer can use fora host address is: b) The maximum number ofhosts the customer can have is: 7. a)Complete theresultofthe following & operation done by arouterto determine ifthe address D=100.22.18.239 matches a forwarding table entry (subnet 100.22.18.224, mask 255.255.255.192). (D=100.22.18.239) & (M=255.255.255.192)= b)Does the address D match the table entry? Answer yes or no: Answer=