Friday, February 24, 2012

CCNA – Drag and Drop 5

Question 1
Drag the Cisco default administrative distance to the appropriate routing protocol or route (Not all options are used)
Default_Administrative_Distance.jpg

Answer:
+ RIP: 120
+ OSPF: 110
+ static route referencing IP address of next hop: 1
+ internal EIGRP route: 90
+ directly connected network: 0

Question 2
Drag the term on the left to its definition on the right (not all options are used)
some_rules.jpg

Answer:
+ poison reverse: A router learns from its neighbor that a route is down and the router sends an update back to the neighbor with an infinite metric to that route
+ LSA: The packets flooded when a topology change occurs, causing network routers to update their topological databases and recalculate routes
+ split horizon: This prevents sending information about a routeback out the same interface that originally learned about the route
+ holddown timer: For a given period, this causes the router to ignore any updates with poorer metrics to a lost network

Question 3
Drag the description on the left to the correct router mode on the right
Cisco_router_modes copy.jpg

Answer:
+ user EXEC mode: limited to basic monitoring commands
+ privileged EXEC mode: provide access to all other router commands
+ global configuration mode: commands that affect the entire system
+ specific configuration mode: commands that affect interfaces/processes only
+ setup mode: interactive configuration dialog

Question 4
Drag each definition on the left to the matching term on the right
Cisco_metric_parameters.jpg

Answer:
+ cost: a configurable value based by default on the bandwidth of the interface
+ load: the amount of activity on a network resource
+ bandwidth: the data capacity of a link
+ hop count: the number of point-to-point links in a transmission path
+ reliability: usually refers to the bit error rate of each network link
+ delay: the amount of time required to move a packet from source to destination

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