A router uses the following routing table- Destination Mask Interface 144.16.0.0 255.255.0.0 etho 144.16.64.0 255.255.224.0 eth1 144.16.68.0 255.255.255.0 eth2 144.16.68.64 255.255.255.224 eth3 A packet bearing a destination address 144.16.68.117 arrives at the router. On which interface will it be forwarded?

A router uses the following routing table- Destination Mask Interface 144.16.0.0 255.255.0.0 etho 144.16.64.0 255.255.224.0 eth1 144.16.68.0 255.255.255.0 eth2 144.16.68.64 255.255.255.224 eth3 A packet bearing a destination address 144.16.68.117 arrives at the router. On which interface will it be forwarded?

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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A junior network engineer has set up an IPV6 addressing for a network topology as shown in Figure 1. Write the configurations in the respective routers for communications among PCO, Laptop0, PC1 and PC2. 2001 abod aabb:3:64 2001 abcd aabb:3:15 GO00 2001 abcd abcd 3:10 PC2 Laptopo 2001:abcd aabb 2:64 so10 GODO 2001:ABCD AABB:1:20 Network 88 2001:abod abcd 3-64 GODO RouterAA 2001:abcd abod 164 RouterB8 PC1 2001 ABCD ABCD 2:10 Network EE 2001:abod aab:1:64 PCO Network AA 2001:abod abod 2:64 Figure 1: Network Topology
1. It is known that the MAC address is the only address that is used in order to communicate and reach to the destination in the local network. Study the figure below carefully and then answer the following question: Suppose that a data (shown in the figure) has arrived to the router A. The ARP table for Router A is as shown in the figure below. Discuss the necessary steps that are needed for the Router A to prepare the frame for the final hop. MAC src: 74-29-9C-E8-FF-55 ARP Table MAC dest: E6-E9-00-17-BB-4B IP src: 11.11.11.11 IP MAC TTL IP dest: 22.22.22.22 11.11.11.11 74-29-9C-E8-FF-55 22.22.22.11 88-B2-2F-54-1A-OF 20 minutes 18 minutes 11.11.11.11 22.22.22.22 74-29-9C-E8-FF-55 49-BD-D2-C7-56-2A Router A 11.11.11.10 22.22.22.20 11.11.11.22 22.22.22.11 E6-E9-00-17-BB-4B 1A-23-F9-CD-06-9B cC-49-DE-DO-AB-7D 88-B2-2F-54-1A-OF
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There is a routing table in the figure on a router. If packets with the following destination IP addresses arrive at the router, where are they routed? a) 198.52.61.10b) 198.53.40.201c) 198.52.60.89d) 198.52.63.113 Show your work and reasoning for each option.
10.0.0.20/24 10.0.0.20/24 Fa0/0 Fa0/1 1841 Router 2950-24 Switch 0 2950-24 Switch 1 HOST A HOST C HOST D HOST C 20.0.0.10/24 10.0.0.10/24 10.0.0.9/24 20.0.0.9/24 Click here if image does not load. Q. 4 (a) Refer to the above image Host A wishes to ping Host D. So it creates a ping packet with the necessary source and destination IP and MAC addresses. That ping packet reaches the Router. Now the Router will forward the packet to the destination. What are the source and destination MAC addresses (just mention the device or device-port) of this frame to be sent by the router? Do we need ARP here, if yes then for which MAC address?
The following is a partial output from a show command on a router: Neighbor ID Pri State Dead Time Address Interface 192.168.1.1 150 FULL/DROTHER 00:00:16 192.168.1.1 FastEthernet0/o 192.168.1.2 100 FULL/DROTHER 00:00:16 192.168.1.2 FastEthernet0/0 show ip protocols O show ip ospf neighbor show ip eigrp neighbor O show ip neighbor
B. Assume the following forwarding table for a router: Destination network Exit interface 172.58.128.0 /17 172.58.128.0 /19 1 172.58.160.0 /19 2 Otherwise Which exit interface the router will use if the arrive packet with the following address: Destination address 172.58.218.80 172.58.165.90 Exit interface 2. 172.58.124.36 172.58.155.122
When a router fragments a datagram, the resulting new datagrams have the same: source address, destination address, datagram length flags, datagram length identification number, flags, fragmentation offsets source address, destination address, identification number
Use the Wireshark packet list display window, shown below, to answer the following question. Protocol Info HTTP Source Destination 192.168.1.5 192.168.1.5 204.126.133.64 GET /phpadmin/js/keyhandler.js HTTP/1.0 GET /myadmin/js/keyhandler.js HTTP/1.0 GET /phpmyadmin/js/keyhandler.js HTTP/1.0 204.126.133.64 HTTP 192.168.1.5 204.126.133.64 HTTP What is the same (common and shared string pattern) in the data of the packets? (hint: do not use or refer to IP addresses as part of your answer) O keyhandler.js O js/keyhandler.js HTTP/1.0 GET
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. The following is configured on a router Router(config)# interface g0/0.10 Router(config-subif)# encapsulation dot 1Q 20 Router(config-subif)# ip address 192.168.30.1 255.255.255.0 A packet is sent from the router out the subinterface to a trunk port on a switch. The switch will treat the packet as if it is on what VLAN? The native VLAN VLAN 30 VLAN 10 VLAN 20
a- Given the following screenshot, some errors are preventing PC-C from accessing the Redundant Internet Connection. Find the errors and correct them. Router0(config)# ip route 0.0.0.0 0.0.0.0 209.0.0.1 Router1(config)# router rip Router0(config)# router rip Router1(config-router)# passive-interface s0/0/1 Router0(config-router)# network 172.16.1.4 Router1(config-router)# network 172.16.1.0 Router0(config-router)# auto-summary Router1(config-router)# no auto-summary Your answer b- After correcting the errors, PC-C is able to reach the Primary Internet. Which command is used to view the routing table on Router 1?* Your answer