| 1. | Hop count is a rough measure of distance between two hosts.
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| 2. | Ping generates packets that include a field reserved for the hop count.
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| 3. | The TTL field is 8 bits, its only metric is hop count.
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| 4. | A hop count of 16 is considered an infinite distance and the route is considered unreachable.
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| 5. | Network utilities like ping can be used to determine the hop count to a specific destination.
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| 6. | To mitigate temporary loop issues, RBridges forward based on a header with a hop count.
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| 7. | Routes having a hop count higher than the maximum will be advertised as unreachable by an EIGRP router.
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| 8. | Hop counts are often useful to find faults in a network, or to discover if routing is indeed correct.
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| 9. | If a router decides not to mark the packet it merely increments the hop count in the overloaded fragment id field.
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| 10. | For example, suppose that as before, hop count is used as link cost for all links but A ?
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