MCQs on IP Routing Fundamentals | CCNA Certification MCQs
Mastering IP Routing Fundamentals: Essential Concepts for Network Certification Success
In the world of IP routing, mastering key concepts like routing tables, protocols, static vs. dynamic routing, and specific protocols like RIP, OSPF, and EIGRP is crucial for certification success. Learn how to configure and troubleshoot routing effectively.
MCQs on Chapter 3: IP Routing Fundamentals
1. Routing Basics
- What is the primary purpose of routing in an IP network?
a) To connect different networks and forward data packets between them
b) To secure data by encrypting packets
c) To manage bandwidth in the network
d) To handle error correction in packet delivery - In which layer of the OSI model does routing occur?
a) Layer 2 – Data Link
b) Layer 3 – Network
c) Layer 4 – Transport
d) Layer 7 – Application - Which of the following devices is responsible for routing packets in a network?
a) Switch
b) Router
c) Hub
d) Bridge - What type of routing table entry is used to specify the next hop for a packet?
a) Static route
b) Default route
c) Dynamic route
d) All of the above - Which command is used in Cisco routers to display the routing table?
a) show ip interface
b) show ip route
c) show route
d) show routing table - What is a metric in routing protocols?
a) A cost associated with each route to determine the best path
b) The size of the data packets
c) A method to authenticate routing updates
d) The process of checking the route validity - Which of the following is a characteristic of an ideal routing protocol?
a) Low reliability
b) Simple and easy to configure
c) Complex configuration
d) High convergence time - How does a router determine the best route to a destination?
a) Based on the lowest metric value
b) Based on the highest metric value
c) Randomly chooses a route
d) By selecting the shortest physical path - What is the default administrative distance of OSPF?
a) 110
b) 90
c) 1
d) 20 - What is the significance of a routing loop in an IP network?
a) It helps in faster data delivery
b) It causes routing inefficiency and can result in packet loss
c) It ensures maximum bandwidth usage
d) It aids in load balancing
2. Routing Tables and Protocols
- A routing table is maintained by which of the following devices?
a) Hubs
b) Switches
c) Routers
d) Firewalls - What is the role of routing protocols in a network?
a) To connect devices to a local area network (LAN)
b) To share routing information between routers
c) To protect data from unauthorized access
d) To forward data packets within the same network - Which of the following protocols is used for routing in IP networks?
a) DNS
b) FTP
c) HTTP
d) RIP - What information is typically included in a routing table?
a) Destination network, next hop, and metric
b) Only destination IP address
c) Bandwidth usage statistics
d) Device type information - What type of routing protocol is RIP?
a) Link-state
b) Hybrid
c) Distance-vector
d) Path-vector - What does an entry in a routing table represent?
a) A potential device failure
b) The available paths to a destination and their metrics
c) The total bandwidth usage
d) The number of hops needed - Which of the following is an example of a distance-vector routing protocol?
a) OSPF
b) EIGRP
c) RIP
d) IS-IS - What is the purpose of the next-hop field in a routing table?
a) To show the destination address
b) To specify the next router or hop to reach the destination
c) To indicate the source device
d) To list all devices in the path - What is the key difference between routing information exchanged by distance-vector and link-state protocols?
a) Distance-vector protocols only share local information, while link-state protocols share the complete network topology
b) Distance-vector protocols do not use metrics
c) Link-state protocols are faster to converge than distance-vector protocols
d) Distance-vector protocols use IP addresses, while link-state protocols use MAC addresses - Which of the following protocols operates on a link-state basis?
a) RIP
b) OSPF
c) EIGRP
d) BGP
3. Static vs. Dynamic Routing
- What is the primary difference between static and dynamic routing?
a) Static routing is manual, while dynamic routing is automatic
b) Dynamic routing is more secure than static routing
c) Static routing is faster than dynamic routing
d) Static routing requires more network bandwidth - When would you use static routing?
a) For small, simple networks with few routers
b) For large, dynamic networks
c) When routing tables need to be updated frequently
d) In networks that require automatic path selection - What is one disadvantage of static routing?
a) It can be difficult to configure and maintain in large networks
b) It uses more bandwidth than dynamic routing
c) It is slower than dynamic routing
d) It cannot be used with certain routing protocols - Which of the following routing protocols supports dynamic routing?
a) RIP
b) Static routing
c) MAC address routing
d) All of the above - In which type of network is dynamic routing most beneficial?
a) A network with minimal traffic
b) A small, isolated network
c) A network that frequently changes or grows
d) A network with a single path to each destination - What happens when a router with static routing receives a new route with the same destination but a higher metric?
a) It will ignore the new route
b) It will replace the old route
c) It will add the new route to the table with a higher priority
d) It will always replace the static route - Which routing protocol would you typically use for large enterprise networks?
a) RIP
b) Static routing
c) OSPF or EIGRP
d) ARP - What is a key advantage of dynamic routing over static routing?
a) It requires less configuration and maintenance
b) It provides better security
c) It always selects the fastest route
d) It works better in simple networks - How do dynamic routing protocols adjust to network changes?
a) They automatically update the routing table when the network topology changes
b) They require manual intervention
c) They reset the network every time a change occurs
d) They periodically send out reset signals - Which type of routing is most commonly used for internet backbone routing?
a) Static routing
b) RIP
c) Distance-vector routing
d) Dynamic routing protocols like OSPF or EIGRP
4. RIP, OSPF, and EIGRP
- Which routing protocol is best suited for small to medium-sized networks and uses hop count as its metric?
a) RIP
b) OSPF
c) EIGRP
d) IS-IS - What is the default metric for RIP?
a) 5
b) 15
c) 10
d) 1 - In which of the following scenarios is OSPF preferred over RIP?
a) In small networks with few routers
b) When high-speed routing is necessary
c) When distance-vector protocols are preferred
d) In networks where hop count is a critical factor - Which of the following is an advantage of EIGRP over RIP and OSPF?
a) EIGRP is easier to configure
b) EIGRP has faster convergence times
c) EIGRP uses hop count as a metric
d) EIGRP only supports IPv4 - What is OSPF’s metric based on?
a) Hop count
b) Bandwidth
c) Delay
d) Link cost - Which routing protocol uses the concept of “areas” to divide larger networks?
a) EIGRP
b) RIP
c) OSPF
d) BGP - What is a key feature of EIGRP?
a) It uses both distance-vector and link-state characteristics
b) It operates only with IPv4 networks
c) It uses hop count as the metric
d) It is more secure than RIP - Which protocol is best for large-scale, multi-area networks?
a) RIP
b) OSPF
c) EIGRP
d) ARP - In which of the following cases is RIP not suitable?
a) Networks with few routers
b) Networks requiring fast convergence
c) Small networks with few connections
d) Networks with only IPv6 - What does OSPF stand for?
a) Open Shortest Path First
b) Open Source Path Function
c) Optimal Source Path First
d) Open Security Path First
Answers
| Qno | Answer |
|---|---|
| 1 | a) To connect different networks and forward data packets between them |
| 2 | b) Layer 3 – Network |
| 3 | b) Router |
| 4 | a) Static route |
| 5 | b) show ip route |
| 6 | a) A cost associated with each route to determine the best path |
| 7 | b) Simple and easy to configure |
| 8 | a) Based on the lowest metric value |
| 9 | a) 110 |
| 10 | b) It causes routing inefficiency and can result in packet loss |
| 11 | c) Routers |
| 12 | b) To share routing information between routers |
| 13 | d) RIP |
| 14 | a) Destination network, next hop, and metric |
| 15 | c) Distance-vector |
| 16 | b) The available paths to a destination and their metrics |
| 17 | c) RIP |
| 18 | b) To specify the next router or hop to reach the destination |
| 19 | a) Distance-vector protocols only share local information, while link-state protocols share the complete network topology |
| 20 | b) OSPF |
| 21 | a) Static routing is manual, while dynamic routing is automatic |
| 22 | a) For small, simple networks with few routers |
| 23 | a) It can be difficult to configure and maintain in large networks |
| 24 | a) RIP |
| 25 | c) A network that frequently changes or grows |
| 26 | a) It will ignore the new route |
| 27 | c) OSPF or EIGRP |
| 28 | a) It requires less configuration and maintenance |
| 29 | a) They automatically update the routing table when the network topology changes |
| 30 | d) Dynamic routing protocols like OSPF or EIGRP |
| 31 | a) RIP |
| 32 | b) 15 |
| 33 | b) When high-speed routing is necessary |
| 34 | b) EIGRP has faster convergence times |
| 35 | b) Bandwidth |
| 36 | c) OSPF |
| 37 | a) It uses both distance-vector and link-state characteristics |
| 38 | b) OSPF |
| 39 | b) Networks requiring fast convergence |
| 40 | a) Open Shortest Path First |