Week 8 Summary

Question 1

The Internet Protocol (IP) implements timing controls.

Answer 1

false

Question 2

Re-assembly of fragmented IP datagrams is handled by…

Answer 2

destination host

Question 3

The largest amount of data, in bytes, which can be accomodated by a particilar network, link, or physical-layer is called the [a].

Answer 3

Maximum Transmission Unit (MTU)

Question 4

Network address translation is strictly a Layer-3 protocol.

Answer 4

FALSE

Question 5

IP datagrams fragments can not be fragmented again.

Answer 5

FALSE

Question 6

In a prefix-matching network, a routing table stores…

Answer 6

IP prefixes, next hop link info

Question 7

The “Identification” header field is unchanged by IP datagram fragmentation.

Answer 7

TRUE

Question 8

TCP/IP coming into home through NAPT device

Answer 8

destination IP, header checksum, destination port

Question 9

Traceroute sends UDP by default

Answer 9

TRUE

Question 10

Traceroute receives ICMP messages.

Answer 10

TRUE

Question 11

Responsibility of routing algo to determine cost of output link

Answer 11

FALSE

Question 12

Destination host’s IP fragment timer expires, it drops all accumulated fragments

Answer 12

TRUE

Question 13

Network graph, weights represent

Answer 13

costs

Question 14

server inside a NATed network, clients outside NAPT router connect…

Answer 14

Using universal plug and play (UPnP), connection relay service, NAPT devices IP address, and port # preconfigured to correspond to server.

Question 15

TCP/IP leaving home network.. altered

Answer 15

Source Port, Source IP, header checksum