CCNA Final: Routing Protocols (New)
It’s time for your finals! The Cisco Certified Network Associate programme has led you to this very moment, and it’s finally time to see if you’ve learned enough about routing protocols to secure yourself a noble career in the networking department. Let’s see how well you do! Good luck!
- 1.
The network shown in the diagram is having problems routing traffic. It is suspected that the problem is with the addressing scheme. What is the problem with the addressing used in the topology?- A.
The address assigned to the Ethernet0 interface of Router1 is a broadcast address for that subnetwork.
- B.
The subnetwork configured on the serial link between Router1 and Router2 overlaps with the subnetwork assigned to Ethernet0 of Router3.
- C.
The subnetwork assigned to the Serial0 interface of Router1 is on a different subnetwork from the address for Serial0 of Router2.
- D.
The subnetwork assigned to Ethernet0 of Router2 overlaps with the subnetwork assigned to Ethernet0 of Router3.
- 2.
Refer to the exhibit. An administrator is adding a new subnet of 50 hosts to R3. Which subnet address should be used for the new subnet that provides enough addresses while wasting a minimum of addresses?
- A.
192.168.1.0/24
- B.
192.168.1.48 /28
- C.
192.168.1.32/27
- D.
192.168.1.64/26
- 3.What are two reasons for the occurrence of a routing loop? (Choose two.)
- A.
Slow convergence
- B.
Incorrectly configured static routes
- C.
Routes that are learned via two routing protocols
- D.
Static and dynamic routing being used on the same router
- E.
Lack of a default route on the router that connects to the Internet
- 4.What are two functions of a router? (Choose two.)
- A.
It connects multiple IP networks.
- B.
It controls the flow of data via the use of Layer 2 addresses.
- C.
It determines the best path to send packets.
- D.
It manages the VLAN database.
- E.
It increases the size of the broadcast domain.
- 5.What are three features of CDP? (Choose three.)
- A.
Tests Layer 2 connectivity
- B.
Operates a OSI layers 2 and 3
- C.
Enabled by default on each interface
- D.
Used for debugging Layer 4 connectivity issues
- E.
Provides information on directly connected devices that have CDP enabled
- 6.Which two statements are true about the startup configuration in a router? (Choose two.)
- A.
The router uses the startup configuration file to start POST.
- B.
If the Cisco IOS cannot be found, the router enters setup mode.
- C.
The bootstrap program searches for the startup configuration file in NVRAM.
- D.
If the startup config file cannot be found, the router enters ROMMON mode.
- E.
The router searches for a TFTP server if the startup configuration file is absent at the default location.
- 7.When a router boots, what is the default order to locate the Cisco IOS if there is no boot system command?
- A.
ROM, TFTP server, flash
- B.
Flash, TFTP server, ROM
- C.
Flash, NVRAM, TFTP server
- D.
NVRAM, TFTP server, flash
- 8.
Refer to the exhibit. The network administrator issues the command no ip classless on Router1. What forwarding action will take place on a packet that is received by Router1 and is destined for host 192.168.0.26?
- A.
The packet will be dropped.
- B.
The packet will be forwarded to the gateway of last resort.
- C.
The packet will match the 192.168.0.0 network and be forwarded out Serial 0/0.
- D.
The packet will most closely match the 192.168.0.8 subnet and be forwarded out Serial 0/1.
- 9.
Refer to the exhibit. Which statement is true concerning the routing configuration?
- A.
Using dynamic routing instead of static routing would have required fewer configuration steps.
- B.
The 10.1.1.0/24 and 10.1.2.0/24 routes have adjacent boundaries and should be summarized.
- C.
Packets routed to the R2 Fast Ethernet interface require two routing table lookups.
- D.
The static route will not work correctly.
- 10.
Refer to the exhibit. All routes are advertised and fully operational on all routers. Which statement is true about the path that the data will take from router A to router B?
- A.
If EIGRP is used with default configurations, the data will be equally distributed between two paths — A, D, B and A, C, B.
- B.
If RIPv1 is used with default configurations, the data will be load-balanced on all paths.
- C.
If EIGRP and OSPF are both used with default configurations, the data will be sent through paths learned by the OSPF protocol.
- D.
If RIPv2 is used with default configurations, the data will be equally distributed between two paths — A, D, B and A, C, D.
- 11.
Refer to the exhibit. The output of the show ip route command for router R1 is displayed. What action will the router take for a packet that is destined for 192.168.1.5?
- A.
It will drop the packet.
- B.
It will forward the packet to interface Serial0/0/0.
- C.
It will determine the route for the packet through a routing protocol.
- D.
It will forward the packet to the default gateway.
- 12.
Refer to the exhibit. How many routes are child routes?
- A.
1
- B.
3
- C.
4
- D.
6
- E.
8
- 13.Which two statements are true regarding link-state routing protocols? (Choose two.)
- A.
They are aware of the complete network topology.
- B.
They offer rapid convergence times in large networks.
- C.
They do not include subnet masks in their routing updates.
- D.
They rely on decreasing hop counts to determine the best path.
- E.
They pass their entire routing tables to their directly connected neighbors only.
- 14.A network administrator uses the RIP routing protocol to implement routing within an autonomous system. What are two characteristics of this protocol? (Choose two.)
- A.
It uses the Bellman-Ford algorithm to determine the best path.
- B.
It displays an actual map of the network topology.
- C.
It offers rapid convergence in large networks.
- D.
It periodically sends complete routing tables to all connected devices.
- E.
It is beneficial in complex and hierarchically designed networks.
- 15.
Refer to the exhibit. The routers are properly configured using a dynamic routing protocol with default settings, and the network is fully converged. Router A is forwarding data to router E. Which statement is true about the routing path?
- A.
If the network uses the RIP protocol, router A will determine that all paths have equal cost.
- B.
If the network uses the RIP protocol, router A will update only the A-C-E path in its routing table.
- C.
If the network uses the EIGRP routing protocol, router A will determine that path A-D-E has the lowest cost.
- D.
If both RIP and EIGRP protocols are configured on router A, the router will use the route information that is learned by the RIP routing protocol.
- 16.
Refer to the exhibit. R1 knows two routes, Path A and Path B, to the Ethernet network attached to R3. R1 learned Path A to network 10.2.0.0/16 from a static route and Path B to network 10.2.0.0/16 from EIGRP. Which route will R1 install in its routing table?
- A.
Both routes are installed and load balancing occurs across both paths.
- B.
The route via Path B is installed because the EIGRP route has the best metric to network 10.2.0.0/16.
- C.
The route via Path A is installed because the static route has the best metric to network 10.2.0.0/16.
- D.
The route via Path B is installed because the EIGRP route has the lowest administrative distance to network 10.2.0.0/16.
- E.
The route via Path A is installed because the static route has the lowest administrative distance to network 10.2.0.0/16.
- 17.A network administrator needs to configure a single router to load-balance the traffic over unequal cost paths. Which routing protocol should the administrator use?
- A.
EIGRP
- B.
OSPF
- C.
RIPv1
- D.
RIPv2
- 18.What is the first step OSPF and IS-IS routers take in building a shortest path first database?
- A.
Learn about directly connected networks
- B.
Send hello to discover neighbors and form adjacencies
- C.
Choose successors and feasible successors to populate the topology table
- D.
Flood LSPs to all neighbors informing them of all known networks and their link states
- 19.
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?
- A.
All of the 192.168.x.0 networks will be in the routing table.
- B.
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.
- C.
The routing table will be empty because routes and dynamic routes have not been configured.
- D.
A default route is automatically installed in the routing table to allow connectivity between the networks.
- 20.
Refer to the exhibit. Which router is advertising subnet 172.16.1.32/28?
- A.
Router1
- B.
Router2
- C.
Router3
- D.
Router4
- 21.
Refer to the exhibit. The show cdp neighbors command was run at R1. Which two facts about the newly detected device can be determined from the output? (Choose two.)
- A.
ABCD is a router that is connected to R1.
- B.
ABCD is a non-CISCO device that is connected to R1
- C.
The device is connected at the Serial0/0/1 interface of R1.
- D.
R1 is connected at the S0/0/1 interface of device ABCD.
- E.
ABCD does not support switching capability.
- 22.
Refer to the exhibit. The network administrator is testing network connectivity by issuing the tracert command from host A to host B. Given the exhibited output on host A, what are two possible routing table issues on the network? (Choose two.)
- A.
Router1 is missing a route to the 172.16.0.0 network
- B.
Router2 is missing a route to the 10.0.0.0 network
- C.
Router2 is missing a route to the 172.16.0.0 network
- D.
Router3 is missing a route to the 10.0.0.0 network
- E.
Router3 is missing a route to the 192.168.0.0 network
- 23.
The Suffolk router is directly connected to the networks shown in the graphic and has a default route that points to the Richmond router. All interfaces are active and properly addressed. However, when the workstation on network 172.29.5.0/24 sends a packet to destination address 172.29.198.5, it is discarded by the Suffolk router. What can be a reason for this result?
- A.
IP classless has been disabled on the Suffolk router.
- B.
The ip subnet-zero command was not configured on the Suffolk router.
- C.
The Richmond router is in a different autonomous system than the Suffolk router.
- D.
The route was ignored if the Richmond router did not include the 172.29.198.0/24 network in its routing updates.
- 24.
Refer to the exhibit. A network administrator successfully pings R1 from R3. Next, the administrator runs the show cdp neighbors command on R3. The output of this command is displayed. What are two reasons for the absence of R1 in the output? (Choose two.)
- A.
There is a Layer 2 connectivity problem between R1 and R3.
- B.
The Fa0/0 interface of R1 is configured with an incorrect IP address.
- C.
The no cdp run command has been run at R1.
- D.
The no cdp enable command has been run at Fa0/1 interface of R3.
- E.
R1 is powered off.
- 25.
Refer to the exhibit. A ping between host A and host B is successful, but pings from host A to operational hosts on the Internet fail. What is the reason for this problem?
- A.
The FastEthernet interface of R1 is disabled.
- B.
One of the default routes is configured incorrectly.
- C.
A routing protocol is not configured on both routers.
- D.
The default gateway has not been configured on host A.
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