Week 9 Flashcards

1
Q

The “ping” applicatyion on windows uses ICMP echo request/reply

A

True

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2
Q

For a TCp/IP datagram coming into a home network through a NAPT device, which of the following header fields IP and/or TCP are altered?

A

Header checksum, Destination port, Destination IP address

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3
Q

In a prefix matching network, a routing table stores…

A

Next hop information, IP prefixes

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4
Q

NAPT devices translate IP address and port numbers (T/F)

A

True

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5
Q

It is the responsibility of a routing algorithm to determine the cost of an output link (T/F)

A

False

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6
Q

It is the responsibility of a routing algorithm to determine a datagrams next hop information (T/F)

A

True

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7
Q

Network address translation has ameliorated the IP address shortage problem (T/F)

A

True

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8
Q

If hosting a server inside a NATed network, how do clients outside the NAPT router connect to the server

A

NAPT devices IP address and a port number pre configured to go to th seerver
Plug and Play device (UPnP)
Through a connection relay service

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9
Q

Select all features explicitly availabe in IPv6 which were already availabele in IPv4

A

Traffic Type, Version, Hop Limit, Source/Dest addressing

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10
Q

In IPv6 there is no datagram fragmentation performed in the network core (T/F)

A

True

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11
Q

IPv6 datagrams cannot be converted into IPv4 datagrams without losing any information (T/F)

A

True

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12
Q

The UPv6 header does not have a checksum (T/F)

A

True

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13
Q

Convert the following IPv4 address to its coresponding IPv6 mapped address: 114.18.222.10

A

::ffff:7212:de0a

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14
Q

1234::a03:abcd is a valid prefered form IPv6 address (T/F)

A

True

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15
Q

::ffff:ffff:fffff is a valid perfered form IPv6 address (T/F)

A

False

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16
Q

A MAC address is permenent and unique (T/F)

A

False

17
Q

It is fairly easy to detect collisions in wired networks (T/F)

A

True

18
Q

There are reserved MAC addresses unusable for devices (T/F)

A

True

19
Q

Star ethernet uses the same multiple access control as bus ethernet (T/F)

A

False

20
Q

The data link layer provides logical communications between ______ and _____

A

adjacent node, adjacent node

21
Q

Select all channel partitioning schemes below

A

FDMA, WDMA, TDMA

22
Q

A link layer between only two adjacent nodes is called a/an:

A

point to point link

23
Q

Select all random access schemes below

A

ALOHA, CSMA

24
Q

A multiple access scheme which listens to the channel to make sure it is empty peior to transmitting is called:

A

Carrier sense protocol

25
Q

A network with a ____topology must terminate the endpoints but in a ____topology they are connected so there is no endpoint

A

Star, Ring

26
Q

Ethernet provides error detection via:

A

CRC check

27
Q

Multiple access scheme which divides the usable medium into chunks and allows each device sole access to some number of chunks:

A

channel partitioning protocol

28
Q

On the sending or receiving host, most of the protocol tasks below the application layer of the protocol stack are handled by

A

NIC Network interface controller

29
Q

In random access multiple access schemes no two nodes will transmit at the same time (T/F)

A

False

30
Q

Given the following received byte on an even parity machine, there is definitely at least one error 01001101 (T/F)

A

False

31
Q

A switch is a network layer device

A

False