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9 Cards in this Set
- Front
- Back
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What does the term CLASSFUL IP network refer to? |
The term classful IP network refers to any Class A, B, or C network, because it isdefined by Class A, B, and C rules. |
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What are the ranges of a class A,B and C network? What IP's do they start end and with? |
Class First Octet Range Valid Network Numbers A: 1 to 126 1.0.0.0 to 126.0.0.0 B: 128 to 191 128.0.0.0 to 191.255.0.0 C: 192 to 223 192.0.0.0 to 223.255.255.0 |
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How many networks/ hosts can a class A,B and C network have? |
A: Networks- 126 Hosts- 16,777,214 B: Networks- 16,384 Hosts- 65,534 C: Networks- 2,097,152 Hosts- 254 |
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If the destination IP address for a host is in the same IP subnet as I am where does the packet get sent? Otherwise if it is in a different subnet where does it get sent? |
If in same subnet- Send directly to host If in different subnet- Send to default gateway |
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Name the goals of a routing protocol. |
To dynamically learn and fill the routing table with a route to each subnet in theinternetwork. ■ If more than one route to a subnet is available, to place the best route in the routingtable. ■ To notice when routes in the table are no longer valid, and to remove them from therouting table. ■ If a route is removed from the routing table and another route through another neighboringrouter is available, to add the route to the routing table. (Many people view thisgoal and the preceding one as a single goal.) ■ To work quickly when adding new routes or replacing lost routes. (The time between losingthe route and finding a working ■ To prevent routing loops. |
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Name 3 basic ways routing protocols learn routes. |
Step 1. Each router, independent of the routing protocol, adds a route to its routingtable for each subnet directly connected to the router. Step 2. Each router’s routing protocol tells its neighbors about the routes in its routingtable, including the directly connected routes, and routes learned from otherrouters. Step 3. After learning a new route from a neighbor, the router’s routing protocol addsa route to its IP routing table, with the next-hop router of that route typicallybeing the neighbor from which the route was learned. |
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List the 3 types of unicast addresses |
A, B, C classes |
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Which field in the HDLC header used by Cisco routers, does cisco add? |
Type Field |
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Name transport layer features. |
1. Multiplexing using ports 2. Error recovery (reliability) 3. Flow control using windowing 4. Connection establishment andtermination 5. Ordered data transfer and datasegmentation |
