what is the difference between a ‘half-duplex’ and a ‘full-duplex’ system?

1119

---

What purpose does aging serve in a link state protocol?

1105

---

What is the difference between csma/cd and csma/ca?

1099

---

What metric does rip use? How is the metric used to indicate an unreachable network?

1258

---

Explain the terms unicast, multicast, broadcast and multicast.

1142

---

What are the three sources of signal degradation on a data link?

1287

---

What is poe (power over ethernet)?

1134

---

What is ‘round-trip time’?

1050

---

What is the difference among straight cable, cross cable and rollover cable?

1052

---

What are the different types of password used in securing a cisco router?

1139

---

What is an autonomous system?

1269

---

Which feature should a routing protocol have to support vlsm?

1244

---

Is hsrp is cisco proprietary or introduced by ieee?

1151

---

How do areas benefit a link state inter network?

1126

---

What is the difference between cross cable and straight cable?

1135

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