NCTI Field Tech

NCTI TECH 4 TO 5 CH. TEST STUDY GUIDE What happens when a router forwards data packets from one network to another network? The destination address of the router in the framed packet is removed and the packet header address is inspected by the router to determine the next destination address to encapsulate around the packet.* ________ allows network administrators to break up a single network address into smaller network addresses, creating router-connected network segments, all with their ow...

NCTI ROC II BOOK II FINAL Test 1. When pressure testing a drop system to check for leakage, What must be done before applying the test signal? The technician must isolate the drop system from the hybrid fiber/coax (HFC) network by disconnecting the drop at the distribution tap. Why do some leakage detection systems utilize a leakage carrier modulated with a tagging signal? To avoid false detection of leaks. When all three sections of a pulse code modulator (PCM) are combined, what functio...

NCTI FINAL EXAM: Final Exam: Progression: Field Tech III - IV Final. The open system interconnection reference model (OSI/R<) Network layer serves which primary function? It uses layer 3 addresses to create multiple routed networks The address 68.56.189.17 belongs to which internet protocol IP class? Class A What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? The datagram loops back inside the host and never leaves the network interface card (NIC)

Final Exam: Progression: Field Tech 3 - 4 The open system interconnection reference model (OSI/R<) Network layer serves which primary function? - ANSWER It uses layer 3 addresses to create multiple routed networks The address 68.56.189.17 belongs to which internet protocol IP class? - ANSWER Class A What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? - ANSWER The datagram loops back inside the host and never leaves the network interface card (NIC) Which...