JC Net+ Ch6 Flashcards

1
Q

WHAT IS INTERNET CONTROL MESSAGE PROTOCOL (ICMP)

A

WORKS AT THE NETWORK LAYER AND IS USED BY IP FOR MANY DIFFERENT SERVICESPROVIDE HOSTS WITH INFORMATION ABOUT NEWORK PROBLEMARE ENCAPSULATED WITHIN IP DATAGRAM PAGE 190

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2
Q

DESTINATION: IF A ROUTER CANT SEND AN IP DATAGRAM ANY FURTHER, IT USES WHAT

A

INTERNET CONTROL MESSAGE PROTOCOL (ICMP) TO SEND MASSAGE BACK TO THE SENDER PAGE 190

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3
Q

WHAT IS A CALLED WHEN A ROUTERS MEMORY BUFFER FOR RECEIVING INCOMING DATAGRAM IS FULL

A

BUFF FULL 0CCURIT WILL US ICMP TO SEND OUT THIS MESSAGE UNTIL CONGESTION ABATES PAGE 191

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4
Q

EACH IP DATAGRAM IS ALLOTTED A CERTAIN NUMER OF ROUTERS CALLED WHAT

A

HOPE PAGE 191

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5
Q

WHAT HAPPENS WHEN A DATAGRAM REACHES IT LIMITS OF HOPS BFORE ARRIVING AT ITS DESTINATION

A

THE LAST ROUTERS TO RECIEVE IT DELETES IT PAGE 191

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6
Q

PING UTILIZE WHAT TO ECHO REQUEST AND REPLY MESSAGES TO CHECK THE PHYSICAL AND LOGICAL CONNECTIVITY OF A MACHINES ON AN INTERNETWORK

A

IMCP PAGE 191

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7
Q

TRACERROUTE UTILIZE WHAT TO DISCOVER THE PATH A PACKET TAKES AS A TRAVERSE AN INTERNEWORK

A

USES IP PACKET TIME-TO-LIVE TIME-OUTS PAGE 191

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8
Q

BOTH PING AND TRACEROUTE USES WHAT TO VERIFY ADDRESS CONFIGURATION IN YOUR INTERNETWORK

A

USES TRACERT PAGE 191

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9
Q

WHAT IS USE TO HELP FIND THE HARDWARE ADDRESS OF A HOST FROM A KNOWN IP ADDRESS

A

ADDRESS RESOLUTION PROTOCOL (ARP) PAGE 191

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10
Q

IP DETECTIVE, ARP INTERROGRATED THE LOCAL NETWORK BY DOING WHAT

A

BY SENDING OUT A BROADCAST ASKING THE MACHINE WITH THE SPECIFIED IP ADDRESS TO REPLY WITH HARDWARE ADDRESS PAGE 192

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11
Q

WHAT IS REVERSE ADDRESS RESOLUTION PROTOCOL (RARP)

A

DISCOVER THE IDENTITY OF THE IP ADDRESS FOR DISKLESS MACHINES BY SENDING OUT A PACKET THAT INCLUDES IT MAC ADDRESS AND A REQUEST FOR THE IP ADDRESS ASSIGNED TO THAT MAC ADDRESS PAGE 193

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12
Q

WHEN A HOST TRANSMITS DATA ACROSS A NETWORK TO ANOTHER DEVICE, THAT DATA GOES THROUGH WHAT

A

ENCAPSULATION PAGE 194

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13
Q

TRANSPORT LAYER AND NETWORK LAYERS WORK TOGETHER TO BUILD WHAT

A

BUILD A STREAM ON A A RECEIVING HOST PAGE 195

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