Deck 1: Networking: How We Got Here

Question 1

If a laptop PC is connected to a network,it is a host.

Answer 1

True

Question 2

A network is a system that permits networked applications on different hosts to work together.

Answer 2

True

Question 3

320,000,000 bps is ________.

A)320 kbps
B)320 Mbps
C)320 Gbps
D)None of the above.

Answer 3

B

Question 4

Social media applications facilitate the creation of group relationships.

Question 5

Which of the following is a host when it is on a network?

A)A client PC.
B)A server.
C)A mobile phone.
D)All of the above.

Question 6

In cloud computing,server management is outsourced.

Question 7

In P2P applications,most processing is done on the ________.

A)client
B)server
C)Both A and B about equally.

Question 8

Which of the following is a networked application?

A)E-mail.
B)The World Wide Web.
C)Both A and B
D)Neither A nor B

Question 9

The correct metric prefix for kilo is K.

Question 10

To emphasize the fact that the user does not have to see how it works internally,the ________ is often drawn as a cloud.

A)network core
B)access link
C)host
D)server

Question 11

In client-server processing,processing is done on the ________.

A)client
B)server
C)Both A and B
D)Neither A nor B

Question 12

47,000,000 bps is ________.

A)47 kbps
B)47 Tbps
C)47 Gbps
D)47 Mbps
E)None of the above.

Question 13

Network speeds usually are measured in ________.

A)bits per second
B)bytes per second
C)Both A and B

Question 14

In terminal-host processing,processing is done on both the terminal and the server.

Question 15

10 kbps is ________.

A)1,000 bps
B)10,000 bps
C)1,024 bps
D)10,240 bps
E)None of the above.

Question 16

Client PCs provide service to other client PCs in ________ applications.

A)P2P
B)client/server
C)Both A and B
D)Neither A nor B

Question 17

Users create or enhance website content in ________ applications.

A)Web-based
B)WWW
C)Web 2.0
D)streaming media

Question 18

Which of the following is a networked application?

A)The Internet.
B)The World Wide Web.
C)Both A and B
D)Neither A nor B

Question 19

A device attached to a network is called a ________.

A)client
B)server
C)host
D)Either A or B

Question 20

A smart phone connected to the Internet is a host.

Question 21

Which type of circuit typically operates at faster speeds?

A)Dial-up telephone circuits.
B)Leased line circuits.
C)Both A and B operate at about the same speed.

Question 22

A modem converts original ________ signals to ________ signals that can travel down the telephone system.

A)digital,analog
B)analog,digital
C)binary,digital
D)None of the above.

Question 23

Circuits are reasonably efficient for ________.

A)voice
B)data
C)Both A and B
D)Neither A nor B

Question 24

If a modem sends two ones in a row,the receiver can distinguish between them thanks to ________.

A)modulation
B)the fact that the ones will have different amplitude levels
C)the fact that the ones will have different frequencies
D)None of the above.

Question 25

When a switch receives a packet,the switch selects the ________.

A)destination host
B)port to send the packet out
C)path through the switched network
D)None of the above.

Question 26

Which of the following is true?

A)All binary signaling is digital signaling.
B)All digital signaling is binary signaling.
C)Both A and B
D)Neither A nor B

Question 27

Packet switching is most efficient for ________ data.

A)relatively constant
B)bursty
C)high-latency
D)high-priority
E)All of the above.

Question 28

With reserved capacity,data transmission speed for a conversation stays the same regardless of how many people are using the system.

Question 29

Reassembly is done on the ________.

A)source host
B)destination host
C)Both A and B
D)Neither A nor B

Question 30

Which of the following uses packet switching?

A)Dial-up telephone circuits.
B)Leased line circuits.
C)Both A and B
D)Neither A nor B

Question 31

Packet switching is desirable because it ________.

A)makes transmission more efficient
B)reduces transmission time
C)Both A and B
D)Neither A nor B

Question 32

Which of the following has greater resistance to transmission errors?

A)Binary signaling.
B)Analog signaling.
C)Both A and B have about the same resistance.

Question 33

________ signals rise and fall smoothly.

A)Analog
B)Binary
C)Both A and B
D)Neither A nor B

Question 34

Fragmentation is done on the ________.

A)source host
B)destination host
C)Both A and B
D)Neither A nor B

Question 35

All digital signaling is binary signaling.

Question 36

A typical packet is about ________ long.

A)100 bits
B)100 bytes
C)1,000 bytes
D)10,000 bytes
E)40 bits

Question 37

In ________ transmission,signals jump abruptly between two states.

A)analog
B)binary
C)Both A and B
D)Neither A nor B

Question 38

A switch knows a packet's entire path through a switched network.

Question 39

In binary signaling,there are ________ states.

A)a few
B)two
C)Both A and B
D)Neither A nor B

Question 40

Multiplexing reduces transmission cost.

Question 41

If a packet passes through seven switches between the source and destination hosts,how many physical links would there be?

A)One.
B)Six.
C)Seven.
D)Eight.

Question 42

Ray Tomlinson used the @ sign to separate the username from the password.

Question 43

Packets are carried inside frames.

Question 44

For human reading,IP addresses usually are expressed in ________.

A)hexadecimal notation
B)dotted decimal notation
C)Both A and B

Question 45

A router connects different networks into an internet.

Question 46

Ray Tomlinson extended e-mail from being a communication system among users of a single computer to being a communication system among users of many computers.

Question 47

On the ARPANET,________ control each computer's communication with the network.

A)IMPs
B)NCPs
C)routers
D)gateways
E)Both c.and d.

Question 48

Routers used to be called ________.

A)NCPs
B)switches
C)Network Access Points
D)gateways

Question 49

The creation of internetworking required the introduction of two addresses for each host.

Question 50

An IP address is ________ bits long.

A)48
B)32
C)8
D)6
E)4

Question 51

A ________ is the path that a frame takes across a single switched network.

A)physical link
B)data link
C)route
D)transport
E)connection

Question 52

A frame usually is carried inside a packet.

Question 53

On the ARPANET,packet switches were called ________.

A)routers
B)gateways
C)IMPs
D)NCPs
E)Both c.and d.

Question 54

If two hosts are separated by seven networks,how many packets will there be along the way when a host transmits a packet to another host?

A)1.
B)2.
C)7.
D)14.
E)None of the above.

Question 55

Spelling internet with a lowercase i indicates that you are talking about the global internet.

Question 56

If a packet passes through eight switches between the source and destination hosts,how many data links would there be?

A)One.
B)Six.
C)Seven.
D)Eight.

Question 57

Hosts on the Internet have ________ address(es).

A)1.
B)2.
C)3.
D)4.
E)5.

Question 58

What device connects different networks into an internet?

A)Router.
B)Switch.
C)Network Access Point.
D)IMP.
E)Core switch.

Question 59

In the early days of the Internet,although e-mail was actually very expensive,ARPA mistakenly believed that it was very cheap.

Question 60

The Network Working Group called its standards ________.

A)IMPs
B)RFCs
C)NCPs
D)None of the above.

Question 61

A route is the path a frame takes across a single network,from the source host to the destination host,across multiple switches.

Question 62

The Internet Protocol is responsible for placing packets that arrive out of order in order.

Question 63

Which layer governs the hop-by-hop transmission of packets across an internet?

A)The internet layer.
B)The transport layer.
C)Both A and B
D)Neither A nor B

Question 64

Which standard does fragmentation?

A)IP.
B)TCP.
C)UDP.
D)None of the above.

Question 65

If you did not need error correction or could not use error correction at the transport layer,you would choose ________.

A)IP
B)TCP
C)UDP
D)None of the above.

Question 66

A computer connects to the nearest switch via a ________.

A)physical link
B)data link
C)Both A and B
D)Neither A nor B

Question 67

Frames are carried inside packets.

Question 68

________ are carried inside ________.

A)Frames,packets
B)Packets,frames
C)Both A and B
D)Neither A nor B

Question 69

What layer number is the transport layer?

A)1.
B)2.
C)3.
D)4.
E)5.

Question 70

Dividing a message into a series of smaller messages is called ________.

A)fragmentation
B)packetization
C)serialization
D)framing

Question 71

A ________ is the path that a frame takes across a single switched network.

A)physical link
B)data link
C)route
D)connection

Question 72

Which of the following layers specifically governs transmission across an internet?

A)The data link layer.
B)The transport layer.
C)Both A and B

Question 73

Which of the following layers specifically governs transmission across an internet?

A)The internet layer.
B)The transport layer.
C)Both A and B

Question 74

What layer number is the physical layer?

A)1.
B)2.
C)3.
D)4.
E)5.

Question 75

If two hosts are separated by seven networks,how many frames will there be along the way when a host transmits a packet to another host?

A)1.
B)2.
C)7.
D)14.
E)None of the above.

Question 76

Which standard places packets that arrive out of order in order?

A)IP.
B)TCP.
C)UDP.
D)None of the above.

Question 77

Which standard corrects errors?

A)IP.
B)TCP.
C)UDP.
D)None of the above.

Question 78

You would use TCP at the transport layer if you did not need error correction or could not use error correction.

Question 79

In internets,different networks are connected by ________.

A)switches
B)routers
C)Both A and B
D)Neither A nor B

Question 80

Which standard deals with addresses and functionality for routers to move packets across an Internet?

A)IP.
B)TCP.
C)UDP.
D)None of the above.