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IT Fundamentals 2 AF > Block 2 - Unit 1 > Flashcards

Block 2 - Unit 1 Flashcards

1
Q

The __________ type of communication is a means of transmitting data where a connection is established before any data is sent and guarantees delivery of that information or data.

A

Connection-oriented communication

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2
Q

What type of communication does the device at one end of the communication transmit data, without ensuring the recipient is ready to receive the data?

A

Connectionless-oriented

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3
Q

Connectionless-Oriented communication is also known as ______ communication.

A

datagram

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4
Q

What are some popular applications of connectionless-oriented communications?

A

Streaming audio and video

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5
Q

What is the International Organization for Standardization (ISO) most famous standard?

A

The OSI model - Open System Interconnection

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6
Q

What are the seven layers of the OSI reference model?

A

Application, Presentation, Session, Transport, Network, Data Link, Physical

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7
Q

The ______ layer of the OSI reference model relates to the services that directly support user applications.

A

Application layer

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8
Q

Which layer of the OSI reference model provides flow control and error handling, and participates in solving problems concerned with the transmission and reception of packets?

A

Transport layer

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9
Q

The layer of the OSI reference model that defines how data is presented and is responsible for converting protocols, translating the data and encrypting the data is the __________ layer.

A

Presentation layer

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10
Q

What layer of the OSI reference model is responsible for addressing messages and translating logical addresses and names in to physical addresses?

A

Network layer

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11
Q

A _________ is a highly structured dialog between two workstations.

A

Session

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12
Q

The ______ layer of the OSI reference model allows two applications on different computers to open, use, and close connection.

A

Session layer

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13
Q

Which layer of the OSI reference model is responsible for the link between two devices on the same network?

A

Data-link layer

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14
Q

The physical layer receives _________ frames from the data Layer.

A

data

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15
Q

Name two ways to help recall the seven layers of the OSI reference model.

A

Down: All People Seem To Need Data ProcessingUp: Please Do Not Throw Sausage Pizza Away

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16
Q

What is a suite of protocols that has become the dominant standard for internetworking?

A

TCP/IP

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17
Q

Which part of TCP/IP enables two hosts to establish a connection and exchange streams of data in the form of messages units?

A

TCP

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18
Q

TCP is a connection-orientated communication protocol which provides ______ and ________ of delivery of data packets.

A

Sequencing and acknowledgement

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19
Q

What are the four layers of TCP/IP?

A

Application layer, host-host transport layer, internet layer, network interface

20
Q

What protocol defines how messages are formatted, transmitted, and what actions Web servers and browsers should take in response to various commands?

A

Hypertext transfer protocol

21
Q

What is the purpose of Simple Mail Transfer Protocol (SMTP)?

A

SMTP is used to transfer e-mail messages and attachments from a sending computer to a receiving computer.

22
Q

Which protocol is created to permit remote monitoring and management of devices and hosts?

A

Simple Network Management Protocol

23
Q

The protocol that provides a friendly name to IP address on the internet is _________.

A

DNS - Domain Name System

24
Q

What protocol assigns an IP address to computers as they are started up on the network?

A

DHCP - Dynamic Host Configuration Protocol

25
Q

_____ is a connectionless protocol which is not responsible for end-to-end transmission of data.

A

UDP - User Datagram Protocol

26
Q

ARP operates at the Network layer of the OSI model and is used to discover where an individual ____________ is physically located.

A

IP address

27
Q

Which protocol provides an interface and services for file transfer between computers across the internet, but does not transfer e-mail messages?

A

FTP - File Transfer Protocol

28
Q

Computers must have a valid ___ address for devices to communicate on the network.

A

IP - Internet Protocol

29
Q

How is an IPv4 addresses represented?

A

IPv4 addresses are four sets of 8 binary bits (four OCTETS or BYTES) for a total of 32 bits

30
Q

What are the two main parts an IPv4 address is divided into?

A

The network number and the host number

31
Q

Which part of the IPv4 address identifies a specific network and must be assigned by IANA?

A

The network number

32
Q

To represent a binary IP address in a more user-friendly manner __________ is used.

A

Dotted decimal notation

33
Q

Which class of IPv4 address has network addresses of 1-126?

A

Class A addresses

34
Q

What IPv4 class is used for small networks?

A

Class C addresses

35
Q

Which class of IPv4 address has network addresses of 128-191?

A

Class B addresses

36
Q

Class D addresses are reserved for ________ addressing and have network addresses of ___________.

A

Multicast addressing, 224- 239

37
Q

Which IPv4 class is identified by the first two bits (10)?

A

Class B address

38
Q

The IPv4 class reserved for research and development is class_____.

A

Class E addresses

39
Q

Which IP version is a new version designed as the successor to IPv4?

A

IPv6

40
Q

An IPv6 address is ____ bits long.

A

128 bits

41
Q

An IPv6 address is composed of a ______ prefix and ______ID.

A

64-bit network prefix and a 64-bit host ID

42
Q

An IPv6 address is written as an eight-part (4 digit) _________ address separated by colons.

A

hexadecimal

43
Q

What type of representation is it when a IPv6 address is abbreviated, such as FB40::1?

A

Compressed representation

44
Q

What are the three broadcast methods of IPv6?

A

Unicast, multicast and anycast

45
Q

Which TCP ports ranges is 0-1023?

A

Well known ports

46
Q

What is the range of Registered Ports?

A

1,024 - 49,151

47
Q

There are a total of ________ TCP ports.

A

65,535

IT Fundamentals 2 AF (7 decks)

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