MCQs

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1. What is the primary characteristic of dynamic routing in networking?
   a. Manual configuration of routes
   b. Static assignment of network paths
   c. Automatic adaptation to network changes
   d. Use of fixed routing tables
   Answer: c. Automatic adaptation to network changesjumpcloud+2
2. Which routing protocol is classified as a distance-vector dynamic routing protocol?
   a. OSPF
   b. BGP
   c. RIP
   d. IS-IS
   Answer: c. RIPtestbook+2
3. What does a dynamic routing protocol do when a network topology changes?
   a. Alerts only the administrator
   b. Updates routing tables automatically
   c. Requires a manual update
   d. Ignores the change
   Answer: b. Updates routing tables automaticallygomotive+2
4. Which of the following is NOT a benefit of dynamic routing?
   a. Scalability
   b. Redundancy
   c. Manual intervention for changes
   d. Automatic route discovery
   Answer: c. Manual intervention for changescatchpoint+2
5. Which protocol is commonly used for dynamic routing in large enterprises?
   a. OSPF
   b. ARP
   c. DNS
   d. PPP
   Answer: a. OSPFjumpcloud+2
6. What key information is regularly exchanged between routers in a dynamic routing environment?
   a. User passwords
   b. Routing tables
   c. MAC addresses only
   d. Network masks only
   Answer: b. Routing tablesgomotive+2
7. What is the function of the convergence process in dynamic routing?
   a. Encrypt network traffic
   b. Synchronize routing tables across routers
   c. Reboot routers
   d. Assign IP addresses
   Answer: b. Synchronize routing tables across routersjumpcloud+1
8. Which protocol is a link-state dynamic routing protocol?
   a. EIGRP
   b. RIP
   c. OSPF
   d. BGP
   Answer: c. OSPFcatchpoint+1
9. What is one major drawback of dynamic routing?
   a. Inflexibility
   b. High administrative overhead
   c. Increased bandwidth usage due to updates
   d. Lack of scalability
   Answer: c. Increased bandwidth usage due to updatesgomotive+1
10. In a dynamic routing protocol, what does a triggered update refer to?
    a. Static route configuration
    b. Update sent only on significant topology change
    c. Manual table reset
    d. Scheduled, periodic update
    Answer: b. Update sent only on significant topology changesanfoundry
11. Which protocol is generally used for dynamic routing between different autonomous systems?
    a. OSPF
    b. BGP
    c. RIP
    d. EIGRP
    Answer: b. BGPjumpcloud+1
12. What is the maximum hop count permitted by RIP?
    a. 10
    b. 16
    c. 255
    d. 100
    Answer: b. 16gomotive
13. Which dynamic routing protocol utilizes Dijkstra’s algorithm to calculate network paths?
    a. BGP
    b. OSPF
    c. RIP
    d. EIGRP
    Answer: b. OSPFjumpcloud+1
14. Which metric does RIP use to determine the best route?
    a. Bandwidth
    b. Hop count
    c. Delay
    d. Reliability
    Answer: b. Hop countgomotive+1
15. What is the default administrative distance of OSPF?
    a. 10
    b. 90
    c. 110
    d. 120
    Answer: c. 110catchpoint
16. Dynamic routing protocols fall into which two main categories?
    a. Static and Hybrid
    b. Distance vector and Link state
    c. Multipath and Default
    d. Direct and Indirect
    Answer: b. Distance vector and Link statezenarmor+2
17. Which device typically maintains and updates routing tables in dynamic routing?
    a. Switch
    b. Router
    c. Bridge
    d. Hub
    Answer: b. Routerzenarmor+2
18. Which action is NOT performed by a dynamic routing protocol?
    a. Route discovery
    b. Route table update
    c. Manual path setting
    d. Route selection
    Answer: c. Manual path settingjumpcloud+1
19. What problem can occur with distance vector routing in large networks?
    a. Count-to-infinity
    b. Starvation
    c. Buffer overflow
    d. Packet duplication
    Answer: a. Count-to-infinitysanfoundry+1
20. What does the term “split horizon” help prevent in routing?
    a. Routing table overflow
    b. Routing loops
    c. High CPU usage
    d. Connection drops
    Answer: b. Routing loopscatchpoint
21. What protocol is known as a hybrid dynamic routing protocol?
    a. RIP
    b. OSPF
    c. EIGRP
    d. BGP
    Answer: c. EIGRPpynetlabs+2
22. In dynamic routing, which protocol uses advertisements called Link State Advertisements (LSAs)?
    a. RIP
    b. OSPF
    c. BGP
    d. EIGRP
    Answer: b. OSPFgomotive+1
23. Which type of message does a router using RIP periodically send to its neighbors?
    a. Update
    b. Acknowledgement
    c. Query
    d. Hello
    Answer: a. Updategeeksforgeeks+2
24. Which algorithm does OSPF use to compute the shortest path?
    a. Bellman-Ford
    b. Floyd-Warshall
    c. Dijkstra
    d. Prim
    Answer: c. Dijkstrajumpcloud+1
25. Which protocol periodically floods the entire routing table for updates?
    a. OSPF
    b. BGP
    c. RIP
    d. IS-IS
    Answer: c. RIPcatchpoint+1
26. Convergence time in dynamic routing refers to:
    a. Time routers take to switch power states
    b. Time for all routers to agree on a consistent network topology
    c. Time required to manually update tables
    d. Time to install a new device
    Answer: b. Time for all routers to agree on a consistent network topologycatchpoint+1
27. Which protocol operates at the border of autonomous systems in dynamic routing?
    a. OSPF
    b. RIP
    c. EIGRP
    d. BGP
    Answer: d. BGPcatchpoint+1
28. What metric does OSPF use to determine the best path?
    a. Delay
    b. Cost
    c. Hop count
    d. Bandwidth only
    Answer: b. Costgomotive+1
29. Which command can be used to view a router’s dynamic routing table in most CLI environments?
    a. ping
    b. ifconfig
    c. show ip route
    d. netstat
    Answer: c. show ip routewebasha+1
30. In dynamic routing, what does “administrative distance” represent?
    a. Network delay
    b. Route preference ranking
    c. Bandwidth utilization
    d. Subnet size
    Answer: b. Route preference rankingcatchpoint
31. What triggers a dynamic routing protocol that uses triggered updates to send its routing table?
    a. Only at scheduled times
    b. On topology change
    c. After power-off
    d. On user login
    Answer: b. On topology changesanfoundry
32. Which routing protocol uses the concept of “areas” for scalability?
    a. RIP
    b. OSPF
    c. BGP
    d. IGRP
    Answer: b. OSPFjumpcloud+2
33. Which of the following statements is true about EIGRP?
    a. It only uses hop count metric
    b. It is strictly distance-vector
    c. It uses DUAL algorithm for fast convergence
    d. It does not support VLSM
    Answer: c. It uses DUAL algorithm for fast convergencepynetlabs
34. For what primary reason would static routing be chosen over dynamic routing?
    a. Improved scalability for large networks
    b. Better performance for complex topologies
    c. Simpler configuration for small, stable networks
    d. Automatic failover
    Answer: c. Simpler configuration for small, stable networksinterviewplus+1
35. Link-state dynamic routing protocols are preferred when:
    a. Administrative control is not required
    b. The network is very large and complex
    c. All routes are static
    d. Bandwidth is always abundant
    Answer: b. The network is very large and complexnwkings+1
36. Count-to-infinity in distance vector protocols can lead to:
    a. Prolonged routing loops
    b. IP address duplication
    c. MAC address conflicts
    d. Bandwidth underutilization
    Answer: a. Prolonged routing loopssanfoundry+1
37. What does a routing protocol use “hello” packets for?
    a. To authenticate users
    b. To establish and maintain neighbor relationships
    c. To send large routing updates
    d. To assign IP addresses
    Answer: b. To establish and maintain neighbor relationshipspynetlabs+1
38. Which type of dynamic routing protocol uses complete network topology information?
    a. Distance vector
    b. Static
    c. Link-state
    d. Default
    Answer: c. Link-stategomotive+2
39. What network event will typically result in dynamic routing protocol convergence?
    a. Addition or removal of a network segment
    b. User logoff
    c. DNS resolution
    d. File download
    Answer: a. Addition or removal of a network segmentjumpcloud+1
40. Redistribution in dynamic routing means:
    a. Sending routing tables to computer users
    b. Sharing routes between different routing protocols
    c. Removing old routes from the table
    d. Blocking unwanted traffic
    Answer: b. Sharing routes between different routing protocolscatchpoint+1
41. What is the metric used by EIGRP to select the best route?
    a. Delay and bandwidth
    b. Only hop count
    c. Only delay
    d. Only bandwidth
    Answer: a. Delay and bandwidthpynetlabs
42. Which protocol would you use for dynamic routing if you need to route between different ISPs?
    a. RIP
    b. OSPF
    c. EIGRP
    d. BGP
    Answer: d. BGPgomotive+1
43. Which of the following best describes RIP as a dynamic routing protocol?
    a. Uses link-state algorithm
    b. Periodically broadcasts the full routing table to neighbors
    c. Utilizes BGP path attributes
    d. Supports area segmentation
    Answer: b. Periodically broadcasts the full routing table to neighborsgomotive+1
44. In what situation would dynamic routing NOT be ideal?
    a. Large, constantly changing network
    b. Small network with static paths
    c. When automatic failover is needed
    d. Multiple redundant routes required
    Answer: b. Small network with static pathsinterviewplus+1
45. Which routing protocol uses “vector” as its main information for routes?
    a. BGP
    b. OSPF
    c. RIP
    d. IS-IS
    Answer: c. RIPjumpcloud+1
46. What happens if two dynamic routing protocols provide the same route?
    a. Higher administrative distance route is chosen
    b. Lower metric route is chosen
    c. Lower administrative distance route is chosen
    d. Both routes are used simultaneously
    Answer: c. Lower administrative distance route is chosengeeksforgeeks+1
47. Which dynamic routing protocol is Cisco proprietary and uses a hybrid approach?
    a. RIP
    b. EIGRP
    c. OSPF
    d. IS-IS
    Answer: b. EIGRPsevenmentor+2
48. What is a major security concern with dynamic routing protocols?
    a. Unencrypted routing updates
    b. Inability to scale
    c. Excessive manual configuration
    d. Incomplete routing tables
    Answer: a. Unencrypted routing updatesgeeksforgeeks+1
49. Which protocol uses SPF (Shortest Path First) algorithm?
    a. RIP
    b. OSPF
    c. BGP
    d. EIGRP
    Answer: b. OSPFcatchpoint+2
50. What phrase best summarizes dynamic routing’s main advantage?
    a. Manually managed networks
    b. Automatic route discovery and adaptability
    c. Complexity in configuration
    d. Single path utilization only
    Answer: b. Automatic route discovery and adaptabilityjumpcloud+2

1. https://jumpcloud.com/it-index/what-is-dynamic-routing
2. https://gomotive.com/blog/what-is-dynamic-routing/
3. https://www.zenarmor.com/docs/network-basics/what-is-dynamic-routing
4. https://testbook.com/question-answer/dynamic-routing-protocol-enable-routers-to–6037ba4cf04588a6008f710a
5. https://www.catchpoint.com/dynamic-routing-protocols
6. https://www.sanfoundry.com/computer-networks-questions-answers-dv-routing-algorithms/
7. https://www.pynetlabs.com/eigrp-interview-questions-answers/
8. https://www.sevenmentor.com/routing-protocol-interview-questions
9. https://www.geeksforgeeks.org/computer-networks/what-is-dynamic-routing-in-computer-network/
10. https://www.webasha.com/blog/ccna-routing-and-switching-interview-questions
11. https://www.interviewplus.ai/network-and-system-administration/static-and-dynamic-routing/questions
12. https://www.nwkings.com/ccna-routing-and-switching-interview-questions
13. https://testbook.com/objective-questions/mcq-on-router-and-routing-algorithm–5eea6a0939140f30f369d914
14. https://www.watelectronics.com/mcq/routing-algorithm/
15. https://wayground.com/admin/quiz/5e75f38287a179001bb68aea/dynamic-routing
16. https://ipcisco.com/quiz/dynamic-routing/
17. https://www.sanfoundry.com/computer-networks-questions-answers-routers-functionalities-basics/
18. https://www.scribd.com/document/771386609/Routing-and-Switching-Important-MCQs
19. https://wayground.com/admin/quiz/5d2bce03504efd001b4c1ae2/chapter-11-static-dynamic-routing-protocols
20. https://in.indeed.com/career-advice/interviewing/routing-interview-questions