Self Test To Help Me Learn About Computers
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My Study Aid. To help me study. Multiple choice questions.
- 1.How does a router learn about routes to a network? (Choose three.)
- A.
Information is gathered from its own configuration regarding directly connected networks.
- B.
Switches forward destination address information to each router.
- C.
Other routers forward information about known networks.
- D.
Routes are entered manually by a network administrator.
- E.
Routes are learned from information gathered from ARP tables
- 2.Why is it necessary to specify a list of networks when configuring an interior routing protocol?
- A.
To tell the router how to reach those networks
- B.
To tell the router which attached networks participate in routing updates
- C.
To tell the router which set of metrics to use for the attached networks
- D.
To tell the router which routing protocol to use
- 3.Assuming that the network shown in the graphic is converged and dynamic routing is enabled, which of the following conditions will cause a modification to the Orlando routing table? (Choose two.)
- A.
The device connecting the S0 interface of the Tampa router to the serial link loses power.
- B.
A network administrator shuts down the Orlando router E0 interface.
- C.
A DCHP server connected to the Tampa E1 network loses power.
- D.
The IP address of a workstation on the Orlando E0 network is reassigned.
- E.
A host on the Orlando E1 network transmits data to a server on the Tampa E1 network.
- 4.Which two statements describe autonomous systems? (Choose two.)
- A.
Interior gateway protocols are used between autonomous systems.
- B.
Exterior gateway protocols are used between autonomous systems.
- C.
An autonomous system may be under the control of multiple organizations.
- D.
An autonomous system is identified by a 16 bit number assigned by ARIN.
- E.
The autonomous system is identified in the network portion of the IP address.
- 5.Which of the following are valid static IP routes? (Choose three.)
- A.
RouterB(config)# ip route 192.168.5.0 255.255.255.0 S1
- B.
RouterC(config)# ip route 192.168.1.0 255.255.255.0 S1
- C.
RouterA(config)# ip route 192.168.3.0 255.255.255.0 192.168.2.2
- D.
RouterB(config)# ip route 192.168.1.0 255.255.255.0 192.168.2.2
- E.
RouterC(config)# ip route 192.168.2.0 255.255.255.0 192.168.4.1
- 6.What is the purpose of a 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.
- 7.Select the statements that describe link-state routing processes? (Choose three.)
- A.
Each router develops its own map of the entire network.
- B.
Routers send triggered updates when changes in the network occur.
- C.
Link-state routing protocols place a higher load on router resources during the routing protocol initialization.
- D.
Link-state protocols are more prone to routing loops than distance vector routing protocols.
- E.
Networks using link-state routing protocols are slower to reach convergence after changes have occurred than those using distance vector protocols.
- 8.Which type of address does a router use to make routing decisions?
- A.
Source IP address
- B.
Source MAC address
- C.
Destination IP address
- D.
Destination MAC address
- 9.Which of the following statements are true regarding the command ip route 172.16.1.0 255.255.255.0 172.16.2.1? (Choose three.)
- A.
This command is used to set up a static route.
- B.
This command is used to set up a default route.
- C.
This command is entered from global configuration mode.
- D.
All packets intended for network 172.16.1.0 will be sent to gateway 172.16.2.1.
- E.
All packets intended for network 172.16.2.1 will be sent to gateway 172.16.1.0.
- 10.If dynamic routing is not configured on a router, how do routing table updates occur?
- A.
Link state advertisements are sent from other routers.
- B.
Updates are made to the routing table by the administrator.
- C.
Best path information is communicated by network hosts.
- D.
The routing table is updated by neighboring routers.
- 11.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 consistent routing knowledge.
- 12.What can be concluded about the routing process on a router if the commands 'router rip and network 192.5.5.0 have been issued? (Choose three.)
- A.
A distance vector routing protocol was used.
- B.
A link state routing protocol was used.
- C.
Routing updates will broadcast every 30 seconds.
- D.
Routing updates will broadcast every 90 seconds.
- E.
Hop count is the only metric used for route selection.
- 13.Referring to the diagram, which commands will enable hosts on the Idaho E0 network to reach hosts on the E0 network of the Montana router? (Choose two.)
- A.
Montana(config)# ip route 172.31.5.0 255.255.255.0 172.31.5.1
- B.
Montana(config)# ip route 172.31.3.0 255.255.255.0 172.31.4.1
- C.
Idaho(config)# ip route 172.31.5.0 255.255.255.0 172.31.4.1
- D.
Idaho(config)# ip route 172.31.5.0 255.255.255.0 172.31.4.2
- E.
Idaho(config)# ip route 172.31.5.1 255.255.255.0 172.31.4.1
- 14.What are some of the advantages of using a link-state routing protocol instead of a distance vector routing protocol? (Choose two.)
- A.
The topology database eliminates the need for a routing table.
- B.
Frequent periodic updates are sent to minimize the number of incorrect routes in the topological database.
- C.
Routers have direct knowledge of all links in the network and how they are connected.
- D.
After the inital LSA flooding, they generally require less bandwidth to communicate changes in a topology.
- E.
Link-state protocols require less router processor power than distance vector protocols.
- 15.Given the command, RouterC(config)# ip route 197.5.2.0 255.255.255.0 192.10.1.1, what does the address 192.10.1.1 represent?
- A.
The source host
- B.
The next hop router
- C.
The outbound interface
- D.
The destination network
- 16.Which two protocols use an addressing scheme to direct user traffic? (choose two)
- A.
IP
- B.
EIGRP
- C.
IPX
- D.
OSPF
- E.
RIP
- 17.Which category of routing algorithms discovers and maintains a topological map of the entire internetwork?
- A.
Static
- B.
Exterior gateway
- C.
Internetwork Packet Exchange
- D.
Distance vector
- E.
Link-state
- 18.All routers at a medium sized company have been upgraded. During the upgraded. During the upgrade, the network administrator determined that a more advanced routing protocol using a combination of both distance vector and link state feature should be implemented. Which protocol should be selected?
- A.
RIP
- B.
BGP
- C.
OSPF
- D.
EIGRP
- 19.Describe the switching function that occurs in a router.
- A.
Allows the router to make forwarding decisions based on Layer 2 addressing
- B.
Uses network addressing to select the best route and interface to forward data
- C.
Accepts a packet on one interface and forwards it to a second interface
- D.
Enables the router to select the most appropriate interface for forwarding a packet
- 20.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.
Host 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 made until the network has converged.
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