A Unique Quiz On CCNA 2 Chapter 3
CCNA 2 chapter 3 is a very interesting chapter and takes us deeper into what networking is all about. Take up the quiz and get to test your understanding of the chapter 3 and all it covered. All the best and remember that the more quizzes you take the higher your retention power.
- 1.
Which command would the network administrator issue to determine if load balancing is in effect router?
- A.
Show ip protocols
- B.
Show ip route
- C.
Show interface brief
- D.
Show ip interface
Correct Answer
B. Show ip routeExplanation
The correct answer is "show ip route". By issuing this command, the network administrator can determine if load balancing is in effect on the router. The "show ip route" command displays the routing table, which includes information about the routes and their associated metrics. If load balancing is enabled, multiple routes with equal metrics will be displayed for the same destination network.Rate this question:
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- 2.
Why is fast convergence desirable in networks that use dynamic routing protocols ?
- A.
Routers will not allow packets to be forwarded until the network has converged
- B.
Hosts are unable to access their gateway until the network has converged
- C.
Routers may make incorrect forwarding decisions until the network has converged
- D.
Routers will not allow configuration changes to be mad until the network has converged
Correct Answer
C. Routers may make incorrect forwarding decisions until the network has convergedExplanation
Fast convergence is desirable in networks that use dynamic routing protocols because routers may make incorrect forwarding decisions until the network has converged. When a network is undergoing changes, such as link failures or topology changes, routers need to quickly update their routing tables to ensure that packets are being forwarded correctly. If the network takes too long to converge, routers may continue to use outdated or incorrect routing information, leading to suboptimal routing or even packet loss. Therefore, fast convergence helps to minimize the potential for routing errors and ensures efficient and reliable packet forwarding.Rate this question:
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- 3.
When multiple routing protocols have a route to the same destination network what determines which routeis installed in the routing table ?
- A.
Best metric
- B.
Lowest hop count
- C.
Greatest available bandwidth
- D.
Lowest administrative distance
- E.
Lowest cost
Correct Answer
D. Lowest administrative distanceExplanation
When multiple routing protocols have a route to the same destination network, the route with the lowest administrative distance is installed in the routing table. Administrative distance is a value assigned to each routing protocol, indicating its trustworthiness or preference. The lower the administrative distance, the more trusted or preferred the routing protocol is considered. Therefore, when multiple protocols have routes to the same network, the one with the lowest administrative distance is chosen to be installed in the routing table.Rate this question:
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- 4.
The following line of code is displayed in a routing table: R 209.165.201.0/24{120/2 via 192.168.252.2,00:00:16 S 0/0/0
- A.
The packet destined for host 192.168.252.2 will be forwarded out the interface connected to network 209.165.201.0/24
- B.
The value 120,is used to determine the best path when a router has more than one routing protocol configured fro the same destination network
- C.
This route was manually configured using the ip route command
- D.
192.168.252.2 is an interface on the router that produced this outpus
Correct Answer
B. The value 120,is used to determine the best path when a router has more than one routing protocol configured fro the same destination networkExplanation
The value 120 is used to determine the best path when a router has more than one routing protocol configured for the same destination network. This value represents the administrative distance, which is a measure of the trustworthiness of a routing protocol. When multiple routing protocols are configured, the router will select the route with the lowest administrative distance as the best path. In this case, the route with an administrative distance of 120 is chosen over other routes.Rate this question:
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- 5.
Which two statements are true regarding classless routing protocols ? choose two
- A.
Sends subnet mask information in routing updates
- B.
Sends complete routing table update to all neighbors
- C.
Is supported by RIP version 1
- D.
Allows for use of both 192.168.1.0/30 and 192.168.1.16/28 subnets in the same topology
- E.
Reduces the amount of address space available in an organization
Correct Answer(s)
A. Sends subnet mask information in routing updates
D. Allows for use of both 192.168.1.0/30 and 192.168.1.16/28 subnets in the same topologyExplanation
Classless routing protocols send subnet mask information in routing updates, which allows for more efficient routing and better utilization of IP address space. Additionally, classless routing protocols, such as CIDR (Classless Inter-Domain Routing), support the use of variable length subnet masks (VLSM), which enables the use of both 192.168.1.0/30 and 192.168.1.16/28 subnets in the same network topology. This flexibility in subnetting allows for more efficient allocation of IP addresses and better scalability in network design.Rate this question:
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- 6.
Refer to the exhibiy .which statement correctly describes how R1 will determine the best path of R2?
- A.
R1 will install a RIP route using network A in its routing table because the administrative distance of RIP is higher than EIGRP
- B.
R1 will install a RIP route using network A in its routing table because the path cost from RIP is lower than EIGRP
- C.
R1 will install an EIGRP route using network B in its routing table because the administrative distance of EIGRP is lower than RIP
- D.
R1 will install a EIGRP route using network B in its routing table because the path cost from EIGRP is lower than RIP
- E.
R1 will install an EIGRP route and a RIP route in its oruing table and load balance between them.
Correct Answer
C. R1 will install an EIGRP route using network B in its routing table because the administrative distance of EIGRP is lower than RIPExplanation
R1 will install an EIGRP route using network B in its routing table because the administrative distance of EIGRP is lower than RIP. Administrative distance is a metric used by routers to determine the trustworthiness of a routing protocol. A lower administrative distance indicates a more reliable protocol. In this case, EIGRP has a lower administrative distance than RIP, so R1 will choose the EIGRP route over the RIP route.Rate this question:
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- 7.
Which of the following best describes the operation of distnance vector routing protocols ?
- A.
They use hop count as their only metric
- B.
They only send out updates when a new network is added
- C.
They send their routing tables to directly connected neighbors
- D.
They flood the entire network with routing updates
Correct Answer
C. They send their routing tables to directly connected neighborsExplanation
Distance vector routing protocols send their routing tables to directly connected neighbors. This means that each router in the network shares information about the routes it knows to its neighboring routers. By exchanging routing tables, routers can learn about the available paths and make routing decisions based on this information. This method allows the routers to dynamically update their routing tables and adapt to changes in the network topology.Rate this question:
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- 8.
Which of the following conditions must be met in order for a network to have converged ?
- A.
The routers in the network are operating with dynamic routing protocols.
- B.
The routers in the network are operating with compatible versions of IOS
- C.
The routers in the network are operating with the same routing tables
- D.
The routers in the network are operating with constistent routing knowledge
Correct Answer
D. The routers in the network are operating with constistent routing knowledgeExplanation
For a network to have converged, it is essential that the routers in the network are operating with consistent routing knowledge. This means that all routers in the network should have the same understanding of the network topology and the paths to reach different destinations. If there is inconsistency in the routing knowledge among the routers, it can lead to routing loops, suboptimal routing decisions, or even network instability. Therefore, consistent routing knowledge is crucial for the proper functioning and stability of a network.Rate this question:
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- 9.
An engineer creates a static route by entering the Router(config) # ip route 10.0.0.0 255.255.255.0 192.168.1.2 command .what can be concluded about this route
- A.
The administrative distance of this route is 1
- B.
192.168.1.2 is the address of an interface on this router.
- C.
This route will display as a directly connected network in the routing table
- D.
Packets with a destination IP address of 192.168.1.2 will be forwarded to the 10.0.0.0/25 network first.
Correct Answer
A. The administrative distance of this route is 1Explanation
The administrative distance of this route is 1. Administrative distance is a measure of the trustworthiness of a routing protocol or route source. A lower administrative distance indicates a more reliable source. In this case, an administrative distance of 1 means that the static route is the most reliable and will be preferred over other routes with higher administrative distances.Rate this question:
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- 10.
What is the purpose of the routing protocol ?
- A.
It is used to build and maintain ARP tables
- B.
It provides a method for segmenting and reassembling data packets
- C.
It allows an administrator to devise an addressing scheme for the network
- D.
It allows a router to share information about known networks with other routers
- E.
It provides a procedure for encoding and decoding data into bits for packet forwarding
Correct Answer
D. It allows a router to share information about known networks with other routersExplanation
The purpose of the routing protocol is to allow a router to share information about known networks with other routers. This enables routers to communicate and exchange information about the best paths for forwarding data packets to their intended destinations. By sharing this information, routers can make informed decisions on how to efficiently route network traffic and ensure that data reaches its intended destination in the most optimal way possible.Rate this question:
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- 11.
A router learns two paths will equal metrics to a destination network via RIP routing protocol.How will the router handle packets to the destination network?
- A.
The router will install the first route it learned into the routing table
- B.
The router will install both routes in the routing table and load balance between the two.
- C.
The router will put the first route in the routing table, and denote the second route as a backup route
- D.
The router will pick the path with the higher bandwidth and will place it in the routing table
Correct Answer
B. The router will install both routes in the routing table and load balance between the two.Explanation
When a router learns two paths with equal metrics to a destination network via the RIP routing protocol, it will install both routes in the routing table and load balance between the two. This means that the router will distribute the incoming packets between the two paths, effectively sharing the network traffic load and improving overall performance. By utilizing both paths, the router can achieve better redundancy and optimize the use of available resources.Rate this question:
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- 12.
Which two conditions would create a setting where the use of a distance vector routing protocol would be efficient ?(choose two.)
- A.
The network requires a special hierarchical design
- B.
Fast convergence of the network is crucial
- C.
The network is using a hub and spoke topology
- D.
The network is using a flat design
- E.
There are than 15 hops between the most distant routers
Correct Answer(s)
C. The network is using a hub and spoke topology
D. The network is using a flat designExplanation
A distance vector routing protocol would be efficient in a network that is using a hub and spoke topology because in this type of network, there is a central hub that connects to multiple spoke routers. The distance vector protocol, such as RIP (Routing Information Protocol), is well-suited for this scenario as it relies on each router sharing its routing table with its directly connected neighbors, allowing for easy and efficient routing updates.
Additionally, a distance vector protocol would be efficient in a network that is using a flat design. In a flat design, all routers are connected to each other in a single layer without any hierarchical structure. Distance vector protocols can handle this type of network efficiently as they make routing decisions based on the distance or metric to a destination network, without considering any complex network hierarchy.Rate this question:
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- 13.
The following line of code is preset in the routing table :0 10.16.1.0/27 {110/129 via 192.168.1.5,00:00:05,Serial 0/0/1what does the number 129 indicate in this output ?
- A.
The cost for this link has a value of 129
- B.
The clock rate on this serial interface is set to 129000
- C.
The next hop router is 129 hops away from this router
- D.
This route has been updated 129 times
Correct Answer
A. The cost for this link has a value of 129Explanation
The number 129 in this output indicates the cost for this link.Rate this question:
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- 14.
Refer to the exhibit. router 1 and router 2 are running EIGRP.All interfaces are operational and packets can be forwarded between all networks.What information will be found in the routing table for Router 1 ?
- A.
Router 1 will have 6 directly connected networks
- B.
The administrative distance of the route of network 172.16.0.0 will be 90
- C.
The metric for routes to 172.16.00 will be 1
- D.
The interface that is used to forward packets to 172.16.00 will always be S0/1 interface
Correct Answer
B. The administrative distance of the route of network 172.16.0.0 will be 90Explanation
The administrative distance of a route determines the trustworthiness of the source of the route information. In this case, the administrative distance of the route for network 172.16.0.0 is stated to be 90. Administrative distance is used by routers to select the best path when there are multiple routes available for the same destination. A lower administrative distance value indicates a more trusted source, so a route with an administrative distance of 90 would be preferred over routes with higher administrative distances.Rate this question:
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- 15.
Refer to the exhibit.If RIP is the routing protocol ,what is the value of the metric from router A to network ,192.168.5.0/24
- A.
3
- B.
4
- C.
56
- D.
624
- E.
724
Correct Answer
A. 3Explanation
The value of the metric from router A to network 192.168.5.0/24 is 3.Rate this question:
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- 16.
What will be the result of the following commands? ORL(config)#interface fastethernet 0/0ORL(config_if)#ip address 172.16.3.1 255.255.255.0ORL(config-if)#no shutdown
- A.
The 172.16.3.0 network will be routed by any dynamic routing protocol automatically
- B.
A routing table entry is made to the 172.16.3.0 network with a code of C
- C.
A static route is required to route traffic to the 172.16.3.0 network
- D.
The commands will be saved to the startup-configuration automatically
Correct Answer
B. A routing table entry is made to the 172.16.3.0 network with a code of CExplanation
The given commands configure the IP address and enable the interface on a Cisco router. The "ip address" command assigns the IP address 172.16.3.1 with a subnet mask of 255.255.255.0 to the FastEthernet interface 0/0. The "no shutdown" command enables the interface.
When an interface is enabled with a valid IP address, a routing table entry is automatically created for that network. In this case, the routing table entry will be made for the 172.16.3.0 network with a code of C, indicating that it is directly connected to the router. This means that the router will be able to route traffic to the 172.16.3.0 network without the need for any additional static routes or dynamic routing protocols.Rate this question:
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- 17.
Which two statements are true regarding metrcs (choose two )
- A.
RIP uses bandwidth as a metric
- B.
OSPF uses delay as a metric
- C.
EIGRP uses bandwidth as a metric
- D.
OSPF uses cost based on bandwidth as a metric
- E.
RIP uses delay as a metrci
Correct Answer(s)
C. EIGRP uses bandwidth as a metric
D. OSPF uses cost based on bandwidth as a metricExplanation
EIGRP uses bandwidth as a metric because it calculates the metric based on the available bandwidth on a link. OSPF uses cost based on bandwidth as a metric because it calculates the metric based on the cost of the link, which is derived from the bandwidth.Rate this question:
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Mar 20, 2023Quiz Edited by
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Aug 30, 2009Quiz Created by
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