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18 Cards in this Set
- Front
- Back
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Define RAM
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Stores the routing tables and ARP cache
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Which two commands can a Technician use to determine wether a router serial ports havw IP addresses that are assigned to them?
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show interfaces / show ip interface brief
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Which commands will set the privilaged mode password to "quiz"?
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R1(config)#enable secret quiz
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Define routing decisions
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Every router makes its routing decisions alone, based on the information it has in its own routing table.
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What two tasks do dynamic routing protocols perform?
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Update and maintain routing tables / network discovery
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A network engineer is confiuring a new router. The interfaces have been configured with IP addresses and activated, but no routng protocols or static routes have been configured yet. What routes are present in the routing table?
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Direct Connections
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Give two statements regarding how a router frwards packets.
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If the packet is destined for a directly connected network, the router forwards the packet out the exit interface indicated by the routing table / If the packet is destined for a remote network, the router sends the packet to the next-hop IP in the routing table
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What is a metric value?
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A metric is the quantative value that a routing protocol uses to measure a given route
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The network administrator configured the ip route 0.0.0.0 0.0.0.0 serial 0/0/0 command on the router. How will this command appear in the routing table, assuming that the serial 0/0/0 interface is up?
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S* 0.0.0.0/0 is directly connected, Serial0/0/0
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Describe the CPU
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Central processing unit. Executes operating system instructions, such as system initialisation,routing functions, and network interface control.
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RAM
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Random access memory. Stores the routing table and other data structures that the router needs when forwarding packets.
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ROM
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Read only memory. Holds basic diagnostic software used when the router is powered on.
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NVRAM
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Non volatile RAM. Stores the startup configuration, inculding IP addresses, routing protocol, and other related information. NVRAM is portion f the boot ROM chip.
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Flash memory
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Stores the operating system (Cisco IOS) and other files
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Describe the router bootup process from power to final configuration.
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1.Perform Post
2.Execute bootstrap loader Locate and load the Cisco IOS Software: 3.Locate the IOS 4.Load the IOS Locate and load the startup configuration file or enter setup mode: 5.Locate the configuration file 6.Execute the configuration file 7 Enter setup mode |
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What important features does a router add to the Network?
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Determines the best path to send packets / Forwards packets towards their destination
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Describe the steps necessary to apply a basic configuration to a router
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1.Name the router
2.Set the passwords 3.Configure Interfaces 4.Configure the banner 5.Save changes on a router 6.Verify basic configuration and router operations |
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Describe the importance of the routing table. What pupose does it serve?
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A routing provides the router with the necessary information to carry out its primary function: forwarding packets toward the destination network.
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