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ISDN1 > Ch. 5 Fundamentals Of TCP/IP Transport And Applications > Flashcards

Ch. 5 Fundamentals Of TCP/IP Transport And Applications Flashcards

0
Q

_____ provides a wide variety of services whereas _____ does not

A

TCP

UDP

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1
Q

_____ provides error recovery, _____ does not

A

TCP

UDP

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2
Q

_____ needs fewer bytes than _____ and it’s Header

A

UDP

TCP

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3
Q

______ Does not need error recovery so they use UDP

A

VoIP

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4
Q

Multiplexing using ports, error recovery, flow control using windowing, connection establishment and termination, ordered data transfer and data segmentation are all features of

A

TCP/IP transport layer

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5
Q

Each TCP/IP application typically chooses to use either TCP or UDP based on the applications ______

A

Requirements

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6
Q

TCP relies on ____ end to end delivery of the data including routing issues

A

IP Internet protocol

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7
Q

Message created by the TCP is known as TCP segment or more generically _____

A

L4PDU

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8
Q

The function that allows receiving host to choose the correct application for which the data is destined based on the port number

A

Multiplexing

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9
Q

______ tells the receiving computer to which application to give the received data

A

Multiplexing

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10
Q

TCP and UDP segments use different ______ ______ ______ to know where to direct data to

A

Destination port number

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11
Q

Multiplexing relies on the concept called a ______

A

Socket

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12
Q

A ______ is composed of three things : An IP address, transfer protocol, a port number

A

Socket

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13
Q

Web servers Use well known port ___

A

80

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14
Q

_____ ______ _____ start at 1024 because the ports below 1024 are reserve for well-known applications

A

Dynamic port numbers

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15
Q

______ based on sockets, ensures that the data is delivered to the correct application

A

Multiplexing

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16
Q

_____ Numbers are a vital part of socket concept

A

Port

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17
Q

You can manage a switch or router using the _____

A

World Wide Web (WWW)

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18
Q

The _____ allows users to use names to refer to computers, with it being used to find the corresponding IP address

A

DNS (domain name system)

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19
Q

SNMP

A

Simple network management protocol

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20
Q

______ is an application layer protocol used specifically for network device management

A

SNMP (simple network management protocol)

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21
Q

To query network devices Cisco prime software mainly uses______

A

SNMP (simple network management protocol)

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22
Q

TFTP

A

Trivial file transfer protocol

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23
Q

Traditionally to move files to and from the router or switch, Cisco used _____

A

TFTP (trivial file transfer protocol)

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24
Q

Routers and switches can use _____ is a much more functional protocol to transfer files

A

FTP (file transfer protocol)

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25
Q

Process of numbering and acknowledging data with sequence and acknowledgement fields

A

Error recovery (reliability)

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26
Q

Process that uses window sizes to protect buffer space and routing devices from being overloaded with traffic

A

Flow control using windowing

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27
Q

Process used to initialize port numbers and sequence and acknowledgment fields

A

Connection establishment and termination

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28
Q

Continuous stream of bytes from an upper layer process that is segmented for transmission and delivered to upper layer processes at the receiving device with the bytes in the same order

A

Order data transfer and data segmentation

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29
Q

______ establishment refers to the process of initializing sequence and acknowledgment fields and agreeing on the port numbers used

A

Connection

30
Q

Synchronize the sequence numbers

A

SYN

31
Q

Acknowledge the sequence numbers

A

Ack

32
Q

____ is short for finish

A

FIN

33
Q

A protocol that requires an exchange of messages before data transfer begins, or that has required preestablished correlation between two endpoints

A

Connection oriented protocol

34
Q

A protocol that does not require an exchange of messages and that does not require preestablished correlation between two endpoints

A

Connectionless protocol

35
Q

Unlike TCP, ____ is connectionless and provides no reliability, no windowing, no reordering of the received data, and no segmentation of large chunks of data into the right size for transmission

A

UDP (user datagram protocol)

36
Q

QoS

A

Quality of service

37
Q

_____ in general defines the quality of the data transfer between two applications and in the network as a whole

A

QoS (quality of service)

38
Q

Four categories of _____ include bandwidth, delay, jitter, loss

A

QoS (quality of service)

39
Q

The volume of bits per second needed for the application to work well; it can be biased with more volume in one direction or balanced

A

Bandwidth

40
Q

The amount of time it takes one IP packet to flow from sender to receiver

A

Delay

41
Q

The variation in delay

A

Jitter

42
Q

The percentage of packets discarded by the network before they reach the destination when using TCP, requires a retransmission

A

Loss

43
Q

Sending voice traffic as bits inside an IP packet is generally called

A

VoIP

44
Q

URL

A

Uniform resource locators

45
Q

The ____ is listed before the //

A

Protocol

46
Q

The _____ name is listed between the // and the /

A

Host

47
Q

The name of the ____ ______ is listed after the /

A

Web page

48
Q

The most frequently used command in http is the _____ _____

A

GET request

49
Q

Web pages typically consist of multiple files called ____

A

Objects

50
Q

The OSI ______ layer defines several functions, the most important of which are error recovery and flow control. Likewise the TCP/IP transport layer protocols implement the same types of features

A

Transport

51
Q

The key difference between TCP and UDP is that _____ provides a wide variety of services to applications, whereas ____ does not

A

TCP

UDP

52
Q

______ Does not perform error recovery, but it takes less bandwidth and uses fewer processing cycles

A

UDP

53
Q

______ by TCP and UDP involves the process of how a computer thinks when receiving data

A

Multipiplexing

54
Q

Multiplexing thing relies on a concept called ______ which consists of three things an IP address, a transport protocol, and a port number

A

Sockets

55
Q

______ Numbers are a vital part of the socket concept well-known port numbers Are used by servers other port numbers are used by clients

A

Port

56
Q

_____ connection establishment occurs before any other features can begin their work

A

TCP

57
Q

_____. Establishes and terminates connections between the end points whereas ____ does not

A

TDP

UDP

58
Q

A protocol that requires an exchange of messages before the data transfer begins with that has a required preestablished correlation between two end points

A

Connection oriented protocol

59
Q

Protocol that does not require an exchange of messages and that does not require preestablished correlation between two end points

A

Connectionless protocol

60
Q

_____ provide the service for applications to exchange messages is connectionless and provides no reliability

A

UDP

61
Q

______ Applications focus more on the bandwidth between two software processes they often do not have the human in the picture

A

Batch

62
Q

Usually have a human user at one end of a flow and the IP packets must flow in both directions for meaningful work to happen. Delay and jitter have a big impact on the user experience

A

Interactive data applications

63
Q

______ such as voice and video require low delay, low, jitter, and low loss

A

Real-time applications

64
Q

Web _____ which consist of Web server software running on the computer store information that might be useful to different people

A

Servers

65
Q

Web ______ which is software installed on end-users computer provide the means to connect to a Web server and display the webpage is stored on the Web server

A

Browsers

66
Q

Which of the following is not a feature of a protocol that is considered a match OSI layer for the transport later

Error recovery
Flow control
Segmenting of application data
Conversion from binary to ASCII

A

Conversion from binary to ASCII

67
Q 
Which of the following header fields identify which TCP/IP application gets data received by the computer (choose 2)
Ethernet type
SNAP protocol type
IP protocol
TCP port number
UDP port number
A

TCP port number

UDP port number

68
Q 
Which of the following are typical functions of TCP (choose 4)
Flow control (windowing)
Error recovery
Multiplexing using port numbers
Routing
Encryption
Ordered data transfer
A

Flow control
Error recover
Multiplexing using port numbers
Ordered data transfer

69
Q 
Which of the following is performed by both TCP and UDP
Windowing
Error recovery
Multiplexing using port numbers
Routing
Encryption
Ordered data transfer
A

Multiplexing using port numbers

70
Q 
What do you call data that includes the layer 4 protocol header, and data given to layer 4 by the upper layers not including any headers and trailers from layers 1 to 3 (choose 2)
L3PDU
Chunk
Segment
Packet
Frame
L4PDU
A

Segment

Frame

71
Q

In the URL http://www.certskills.com/ICND1 which part identifies the Web server

A

Www.certskills.com

72
Q 
When comparing VoIP within HTTP mission-critical business application which of the following statements are accurate about the quality of service needed from the network (choose two answers)
VoIP needs better (lower) packet loss
HTTP needs less bandwidth
HTTP needs better (lower) jitter
VoIP needs better (lower) delay
A

VoIP needs better (lower) packet loss

VoIP needs better (lower) delay

ISDN1 (28 decks)

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