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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
Routers and switches can use _____ is a much more functional protocol to transfer files
FTP (file transfer protocol)
25
Process of numbering and acknowledging data with sequence and acknowledgement fields
Error recovery (reliability)
26
Process that uses window sizes to protect buffer space and routing devices from being overloaded with traffic
Flow control using windowing
27
Process used to initialize port numbers and sequence and acknowledgment fields
Connection establishment and termination
28
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
Order data transfer and data segmentation
29
______ establishment refers to the process of initializing sequence and acknowledgment fields and agreeing on the port numbers used
Connection
30
Synchronize the sequence numbers
SYN
31
Acknowledge the sequence numbers
Ack
32
____ is short for finish
FIN
33
A protocol that requires an exchange of messages before data transfer begins, or that has required preestablished correlation between two endpoints
Connection oriented protocol
34
A protocol that does not require an exchange of messages and that does not require preestablished correlation between two endpoints
Connectionless protocol
35
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
UDP (user datagram protocol)
36
QoS
Quality of service
37
_____ in general defines the quality of the data transfer between two applications and in the network as a whole
QoS (quality of service)
38
Four categories of _____ include bandwidth, delay, jitter, loss
QoS (quality of service)
39
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
Bandwidth
40
The amount of time it takes one IP packet to flow from sender to receiver
Delay
41
The variation in delay
Jitter
42
The percentage of packets discarded by the network before they reach the destination when using TCP, requires a retransmission
Loss
43
Sending voice traffic as bits inside an IP packet is generally called
VoIP
44
URL
Uniform resource locators
45
The ____ is listed before the //
Protocol
46
The _____ name is listed between the // and the /
Host
47
The name of the ____ ______ is listed after the /
Web page
48
The most frequently used command in http is the _____ _____
GET request
49
Web pages typically consist of multiple files called ____
Objects
50
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
Transport
51
The key difference between TCP and UDP is that _____ provides a wide variety of services to applications, whereas ____ does not
TCP UDP
52
______ Does not perform error recovery, but it takes less bandwidth and uses fewer processing cycles
UDP
53
______ by TCP and UDP involves the process of how a computer thinks when receiving data
Multipiplexing
54
Multiplexing thing relies on a concept called ______ which consists of three things an IP address, a transport protocol, and a port number
Sockets
55
______ Numbers are a vital part of the socket concept well-known port numbers Are used by servers other port numbers are used by clients
Port
56
_____ connection establishment occurs before any other features can begin their work
TCP
57
_____. Establishes and terminates connections between the end points whereas ____ does not
TDP UDP
58
A protocol that requires an exchange of messages before the data transfer begins with that has a required preestablished correlation between two end points
Connection oriented protocol
59
Protocol that does not require an exchange of messages and that does not require preestablished correlation between two end points
Connectionless protocol
60
_____ provide the service for applications to exchange messages is connectionless and provides no reliability
UDP
61
______ Applications focus more on the bandwidth between two software processes they often do not have the human in the picture
Batch
62
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
Interactive data applications
63
______ such as voice and video require low delay, low, jitter, and low loss
Real-time applications
64
Web _____ which consist of Web server software running on the computer store information that might be useful to different people
Servers
65
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
Browsers
66
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
Conversion from binary to ASCII
67
``` 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 ```
TCP port number | UDP port number
68
``` 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 ```
Flow control Error recover Multiplexing using port numbers Ordered data transfer
69
``` Which of the following is performed by both TCP and UDP Windowing Error recovery Multiplexing using port numbers Routing Encryption Ordered data transfer ```
Multiplexing using port numbers
70
``` 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 ```
Segment | Frame
71
In the URL http://www.certskills.com/ICND1 which part identifies the Web server
Www.certskills.com
72
``` 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 ```
VoIP needs better (lower) packet loss | VoIP needs better (lower) delay

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