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Title Name Amity Solved Assignment MSC IT 3 Sem for Routing Protocols and Concept
University AMITY
Service Type Assignment
Course Msc-IT
Semester Semester-III Course: Msc-IT
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Short Name or Subject Code Routing Protocols & Concepts
Commerce line item Type Semester-III Course: Msc-IT
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                                                                                                                                         Routing Protocols & Concepts

Assignment A

Five analytical questions. Answer all questions.

Q.1 a) why we need routing in a network’s?

  1. b) Describe the three methods to enter routes into the routing table (dynamic routing, static routing, and directly connected networks) 

Q.2 Describe the purpose of the following commands solved by www.solvezone.in  visit  for better price show version,

show ip route, show interfaces,

show running config, show startup-config, ping,

Q.3 a Describe basic characteristics and operation of static routes.

b. Explain the classful route lookup process

Q.4 Compare and contrast routing table operation built using static route with exit interfaces and next-hop addresses.

Q.5 Justify the role of dynamic routing protocols and place these protocols in the context of modern network design?

  

Assignment B

Three Analytical Questions. Answer all questions: -

Q.6 a. determine the administrative distance of a route and describe its importance in the routing process.

b. Compare and contrast the basic characteristics of the different distance vector routing protocols in use today.

Q7. a. Describe the process to configure and modify the default behavior of RIPv2 in a small network.

b. Describe the advantages of disabling automatic summarization in a RIPv2 network.

Q8. a. Explain the feasibility condition and how EIGRP routes are added to the routing and neighbor tables.

b. What is the purpose of the Autonomous System Number and its role in configuring EIGRP?

Case Study 

Q9.Question: You have been given the network address 192.168.1.0/24 to subnet and the network shown in the Topology Diagram. VLSM will be used so that the addressing requirements can be met using the 192.168.1.0/24 network. The network has the following addressing requirements:

Assignment C

(Forty objective type questions)

Q1. What header address information does a router change in the information it receives from an attached Ethernet interface before information is transmitted out another interface?

  1. only the Layer 2 source address
  2. only the Layer 2 destination address
  3. only the Layer 3 source address
  4. only the Layer 3 destination address
  5. the Layer 2 source and destination address
  6. the Layer 3 source and destination address

Q2. Which two statements describe functions or characteristics of CDP? (Choose two.)

  1. It starts up automatically and allows the device to detect directly connected neighbor devices that use CDP.
  2. It operates at the network layer and allows two systems to learn about each other.
  3. It creates a topology map of the entire network.
  4. It allows systems to learn about each other even if different network layer protocols are configured.
  5. It forwards advertisements about routes for faster convergence.

Q3. A router learns two paths with equal metrics to a destination network via the RIP routing protocol. How will the router handle packets to the destination network?

  1. The router will install the first route it learned into the routing table.
  2. The router will install both routes in the routing table and load balance between the two.
  3. The router will put the first route in the routing table, and denote the second route as a backup route.
  4. The router will pick the path with the higher bandwidth and will place it in the routing table.

Q4. What metric does the RIP routing protocol consider to be infinity?

  1. 0
  2. 15
  3. 16
  4. 224
  5. 255

  

Q5. Which two conditions are most likely to cause a routing loop? (Choose two.)

  1. random jitter
  2. implementation of classful addressing
  3. inconsistent routing tables
  4. incorrectly configured static routes
  5. a network converging too quickly 

Q6. Which two statements are true regarding the characteristics of RIPv1? (Choose two).

  1. It is a distance vector routing protocol.
  2. It advertises the address and subnet mask for routes in routing updates.
  3. The data portion of a RIP message is encapsulated into a TCP segment.
  4. The data portion of a RIP message is encapsulated into a UDP segment.
  5. It broadcasts updates every 15 seconds.
  6. It allows a maximum of 15 routers in the routing domain.

Q7. A static route has been configured on a router. However, the destination network no longer exists. What should an administrator do to remove the static route from the routing table?

  1. Change the routing metric for that route.
  2. The static route will go away on its own.
  3. Change the administrative distance for that route.
  4. Remove the route using the no ip route

Q8.Refer to the exhibit. Host A is unable to access the Internet, and troubleshooting has revealed that this is due to an addressing problem. What is incorrectly configured in this network?

  • the IP address of the Fa0/0 interface of R1
  • the subnet mask of the S0/0/0 interface of R1
  • the IP address of the S0/0/0 interface of R1
  • the subnet mask of the S0/0/0 interface of R2

Ans:- the IP address of the S0/0/0 interface of R1

  

Q9. Which network design feature requires the deployment of a classless routing protocol?

  1. private IP addressing
  2. advertising default routes
  3. variable length subnet masks
  4. summarization on major network boundaries

Q10. A network administrator needs to assign the very last usable IP address in the 172.24.64.0/18 network range to the router interface that serves this LAN. Which IP address should the administrator configure on the interface?

  1. 16.128.154/18
  2. 16.255.254/18
  3. 24.64.254/18
  4. 24.127.254/18

Q11. What does RIP use to reduce convergence time in a larger network?

  1. It uses multicast instead of broadcast to send routing updates.
  2. It reduces the update timer to 15 seconds if there are more than 10 routes.
  3. It uses triggered updates to announce network changes if they happen in between the periodic updates.
  4. It uses random pings to detect if a pathway is down and therefore is preemptive on finding networks that are down.

Q12. Which two statements are correct about the split horizon with poison reverse method of routing loop prevention? (Choose two.)

  1. It is enabled by default on all Cisco IOS implementations.
  2. It assigns a value that represents an infinite metric to the poisoned route.
  3. It sends back the poisoned route update to the same interface from where it was received.
  4. It instructs routers to hold all changes that might affect routes, for a specified period of time.
  5. It limits the number of hops a packet can traverse through the network before it is discarded. 

Q13. What range of networks will be advertised in the OSPF updates by the command Router1(config-router)# network 192.168.0.0 0.0.15.255 area 100?

  1. 168.0.0/24 through 192.168.0.15/24
  2. 168.0.0/24 through 192.168.15.0/24
  3. 168.15.0/24 through 192.168.31.0/24
  4. 168.15.0/24 through 192.168.255.0/24
  5. 168.16.0/24 through 192.168.255.0/24

Q14.Refer to the exhibit. When OSPF is operational in the exhibited network, what neighbor relationship is developed between Router1 and Router2?

  1. A FULL adjacency is formed.
  2. A 2WAY adjacency is formed.
  3. Router2 will become the DR and Router1 will become the BDR.
  4. Both routers will become DROTHERS.

Q15. Which two statements describe the use of OSPF DR/BDR elections? (Choose two.)

  1. Elections are always optional.
  2. Elections are required in all WAN networks.
  3. Elections are required in point-to-point networks.
  4. Elections are required in broadcast multiaccess networks.
  5. Elections are sometimes required in NBMA networks. 

Q16. What are two functions of a router? (Choose two.)

  1. It connects multiple IP networks.
  2. It controls the flow of data via the use of Layer 2 addresses.
  3. It determines the best path to send packets.
  4. It manages the VLAN database.
  5. It increases the size of the broadcast domain. 

Q17. When a router boots, what is the default order to locate the Cisco IOS if there is no boot system command?

  1. ROM, TFTP server, flash
  2. flash, TFTP server, ROM
  3. flash, NVRAM, TFTP server
  4. NVRAM, TFTP server, flash

Q18. Which router component is used to store the routing table

  1. Flash
  2. NVRAM
  3. ROM
  4. SDRAM

Q19.Refer to the exhibit. How many routes are child routes?

  1. 1
  2. 3
  3. 4
  4. 6

Q20. Which two statements are true regarding link-state routing protocols? (Choose two.)

  1. They are aware of the complete network topology.
  2. They offer rapid convergence times in large networks.
  3. They do not include subnet masks in their routing updates.
  4. They rely on decreasing hop counts to determine the best path.
  5. They do not work well in networks that require special hierarchical designs.
  6. They pass their entire routing tables to their directly connected neighbors only. 

Q21. What two routing protocols use a hierarchal network topology? (Choose two.)

  1. IS-IS
  2. EIGRP
  3. OSPF
  4. RIPv1
  5. RIPv2

Q22.Refer to the exhibit. All router interfaces are configured with an IP address and are operational.

If no routing protocols or static routes are configured, what information will be included in the show ip route command output for router A?

  1. All of the 192.168.x.0 networks will be in the routing table.
  2. Routes to networks 192.168.1.0/24, 192.168.2.0/24, and 192.168.3.0/24 will be in the routing table.
  3. The routing table will be empty because routes and dynamic routes have not been configured.
  4. A default route is automatically installed in the routing table to allow connectivity between the networks.

Q23.Which of the following could describe the devices labeled "?" in the graphic? (Choose three.)

  1. DCE
  2. CSU/DSU
  3. LAN switch
  4. modem
  5. hub

Q24. A static route has been configured on a router. However, the destination network no longer exists. What should an administrator do to remove the static route from the routing table?

  1. Change the routing metric for that route.
  2. The static route will go away on its own.
  3. Change the administrative distance for that route.
  4. Remove the route using the no ip route

Q25.Refer to exhibit. Given the topology shown in the exhibit, what three commands are needed to configure EIGRP on the Paris router? (Choose three.)

  1. Paris(config)# router eigrp 100
  2. Paris(config)# router eigrp
  3. Paris(config-router)# network 192.168.6.0
  4. Paris(config-router)# network 192.168.7.0
  5. Paris(config-router)# network 192.168.8.0
  6. Paris(config-router)# network 192.168.9.0 

Q26. A router has EIGRP configured as the only routing protocol. In what way might EIGRP respond if there is no feasible successor route to a destination network and the successor route fails?

  1. It broadcasts hello packets to all routers in the network to re-establish neighbor adjacencies.
  2. It sends queries to adjacent neighbors until a new successor route is found.
  3. It immediately sends its entire routing table to its neighbors.
  4. It will set the metric for the failed route to infinity.

Q27. Which three statements describe the operation of routing with EIGRP? (Choose three.)

  1. As new neighbors are discovered, entries are placed in a neighbor table.
  2. If the feasible successor has a higher advertised cost than the current successor route, then it becomes the primary route.
  3. If hello packets are not received within the hold time, DUAL must recalculate the topology.
  4. The reported distance is the distance to a destination as advertised by a neighbor.
  5. EIGRP maintains full knowledge of the network topology in the topology table and exchanges full routing information with neighboring routers in every update.
  6. EIGRP builds one routing table that contains routes for all configured routed protocols. 

Q28.Refer to the exhibit. What happens to a packet that has 172.16.0.0/16 as the best match in the routing table that is shown?

  1. The packet is discarded.
  2. The packet is flooded out all interfaces.
  3. The packet is forwarded via Serial0/0/0.
  4. The packet is forwarded via FastEthernet0/0.

Q29. A network is configured with the IP, IPX, and AppleTalk protocols. Which routing protocol is recommended for this network?

  1. RIPv1
  2. RIPv2
  3. EIGRP
  4. OSPF

Q30. What command would the network administrator apply to a router that is running OSPF to advertise the entire range of addresses included in 172.16.0.0/19 in area 0?

  1. R1(config-router)# network 172.16.0.0 0.0.0.255 area 0
  2. R1(config-router)# network 172.16.0.0 0.0.3.255 area 0
  3. R1(config-router)# network 172.16.0.0 0.0.15.255 area 0
  4. R1(config-router)# network 172.16.0.0 0.0.31.255 area 0

Q31. What should be considered when troubleshooting a problem with the establishment of neighbor relationships between OSPF routers? (Choose two.

  1. OSPF interval timers mismatch
  2. administrative distance mismatch
  3. interface network type mismatch
  4. no loopback interface configured
  5. gateway of last resort not redistributed

Q32. Which two components are used to determine the router ID in the configuration of the OSPF routing process? (Choose two.)

  1. the IP address of the first FastEthernet interface
  2. the highest IP address of any logical interface
  3. the highest IP address of any physical interface
  4. the default gateway IP address
  5. the priority value of 1 on any physical interface

Q33. What is the function of the OSPF LSR packet?

  1. It is used to confirm the receipt of LSUs.
  2. It is used to establish and maintain adjacency with other OSPF routers.
  3. It is used by the receiving routers to request more information about any entry in the DBD.
  4. It is used to check the database synchronization between routers.

Q34.Refer to the exhibit. Network 192.168.0.0/28 goes down. What type of packet does Router2 immediately send to Router1 and Router3

  1. a query for network 192.168.0.0/28
  2. an acknowledgment packet to 224.0.0.9
  3. an update packet that is sent to 255.255.255.255
  4. a packet that contains the new routing table for R2
  5. unicast update packets to 192.168.1.1 and 192.168.2.1

Q35. What administrative distance would a router assign to a default route in EIGRP that is learned from a source external to the autonomous system?

  1. 1
  2. 5
  3. 70
  4. 90
  5. 170
  6. 190

Q36. The show ip eigrp topology command output on a router displays a successor route and a feasible successor route to network 192.168.1.0/24. In order to reduce processor utilization, what does EIGRP do when the primary route to this network fails?

  1. The router sends query packets to all EIGRP neighbors for a better route to network 192.168.1.0/24.
  2. The DUAL FSM immediately recomputes the algorithm to calculate the next backup route.
  3. Packets that are destined for network 192.168.1.0/24 are sent out the default gateway instead.
  4. The backup route to network 192.168.1.0/24 is installed in the routing table.

Q37.Refer to the exhibit. If all routers and interfaces are configured to use a link-state routing protocol, from which routers will router D receive hello packets?

  1. A and E
  2. B and C
  3. A, B, C, and E
  4. C only

Q38. RIPv2 is the configured routing protocol on the routers in a network. The command Router(config-router)# no version 2 is entered on the routers. What effect does entering this

command have on routing updates?

  1. Subnet masks will be added to the routing updates.
  2. Routing updates will be sent out using multicast address 224.0.0.9.
  3. Version 1 and 2 updates will be received and the version 2 updates will not be sent.
  4. The RIP routing process will be removed from the router and routing updates will not be forwarded.

Q39. What is a supernet?

  1. the network for a default route
  2. a network that contains both private and public addresses
  3. a set of discontiguous networks that are controlled by an ISP
  4. a summarization of serveral IP classful networks into one IP address range

Q40.Refer to the exhibit. The network that is shown is running RIPv1. The 192.168.10.0/24 network was recently added and will only contain end users. What command or set of commands should be entered on Router1 to prevent RIPv1 updates from being sent to the end user devices on the new network while still allowing this new network to be advertised to other routers?

  1. Router1(config-router)# no router rip Router1(config-router)# network 192.168.10.0
  2. Router1(config-router)# no network 192.168.10.0
  3. Router1(config-router)# passive-interface fastethernet 0/0
  4. Router1(config-router)# passive-interface serial 0/0/0


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