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CompTIA A+ Core 1 (220-1101) > 2.1 TCP and UDP > Flashcards

2.1 TCP and UDP Flashcards

1
Q

FTP

A

File Transfer Protocol

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2
Q

SSH

A

Secure Shell

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3
Q

SSH

A

Secure Shell

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4
Q

Telnet

A

Telecommunication Network

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5
Q

SMTP

A

Simple Mail Transfer Protocol

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6
Q

DNS

A

Domain Name System

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7
Q

DHCP

A

Dynamic Host Configuration Protocol

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8
Q

tcp/20 (active mode data)
tcp/21 (control)

A

FTP

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9
Q

tcp/22

A

SSH

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10
Q

tcp/23

A

Telnet

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11
Q

tcp/25

A

SMTP

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12
Q

udp/53

A

DNS

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13
Q

udp/67
udp/68

A

DHCP

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14
Q

tcp/80

A

HTTP

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15
Q

tcp/443

A

HTTPS

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16
Q

tcp/110

A

POP3

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17
Q

udp/137

A

NetBIOS-NS

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18
Q

tcp/139

A

NetBIOS-SSN

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19
Q

tcp/143

A

IMAP

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20
Q

udp/161 (Queries)
udp/162 (Traps)

A

SNMP

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21
Q

tcp/389

A

LDAP

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22
Q

tcp/445

A

SMB

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23
Q

tcp/3389

A

RDP

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24
Q

HTTP

A

Hypertext Transfer Protocol

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25
Q

HTTPS

A

Hypertext Transfer Protocol Secure

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26
Q

POP3

A

Post Office Protocol 3

27
Q

NetBIOS-NS

A

NetBIOS Name Service

28
Q

NetBIOS-SSN

A

NetBIOS Session Service

29
Q

IMAP

A

Internet Message Access Protocol

30
Q

SNMP

A

Simple Network Management Protocol

31
Q

LDAP

A

Lightweight Directory Access Protocol

32
Q

SMB

A

Server Message Block

33
Q

RDP

A

Remote Desktop Protocol

34
Q

File Transfer Protocol

A

Transfers files between systems. Authenticates with username and password. List, add, and delete files.

35
Q

Secure Shell

A

Encrypted communication link. Text based front-end to an operating system.

36
Q

Telecommunication Network

A

Remote device console access. Unencryption communication.

37
Q

Simple Mail Transfer Protocol

A

Server to server email transfer. Send mail from a device to a mail server.

38
Q

Domain Name System

A

Converts names to IP addresses. Usually multiple DNS servers are in production.

39
Q

Dynamic Host Configuration Protocol

A

Automated configuration of IP address, subnet mask and other options. Required DHCP server. Dynamic / pooled. DHCP reservation.

40
Q

Hypertext Transfer Protocol

A

Web server communication.

41
Q

Hypertext Transfer Protocol Secure

A

Web server communication with encryption.

42
Q

Post Office Protocol 3

A

Basic mail transfer functionality.

43
Q

NetBIOS Name Service

A

Name service lookups.

44
Q

NetBIOS Session Service

A

Transfers files between systems.

45
Q

Internet Message Access Protocol

A

Includes management of email inbox from multiple clients.

46
Q

Simple Network Management Protocol

A

“Gather statistics from network devices.
v1 = Structure tables, single queries.
v2 = Data type enchancements, bulk transfers
v3 = Message integrity, authentication, encryption”

47
Q

Lightweight Directory Access Protocol

A

Store and retrieve information in a network directory. Commonly Microsoft Active Directory.

48
Q

Server Message Block

A

Microsoft Windows protocol. File and printer sharing. Also called Common Internet File System (CIFS).

49
Q

Remote Desktop Protocol

A

Share a desktop from a remote location. Commonly Windows Remote Desktop Services. Entire desktop or just and application.

50
Q

Connection-oriented. A formal connection setup and close.

A

Transmission Control Protocol (TCP)

51
Q

Connectionless. No formal open or close to the connection.

A

User Datagram Protocol (UDP)

52
Q

Reliable delivery. Recover from errors, Reorder messages, retransmissions

A

Transmission Control Protocol (TCP)

53
Q

Unreliable. No error recovery, reordering of data, or retransmissions.

A

User Datagram Protocol (UDP)

54
Q

Flow control. The receiver manages how much data is sent.

A

Transmission Control Protocol (TCP)

55
Q

No flow control. The sender determines the amount of data sent.

A

User Datagram Protocol (UDP)

56
Q

Uses:
When applications prefer a “return receipt”
Hypertext Transfer Protocol Secure (HTTPS)
Secure Shell (SSH)

A

Transmission Control Protocol (TCP)

57
Q

Uses:
Real-time communication
Dynamic Host Configuration Protocol (DHCP)
Trivial File Transfer Protocol (TFTP)

A

User Datagram Protocol (UDP)

58
Q

Ports

A

A way for TCP/UDP to route data to specific services.

59
Q

Socket

A

IP Address + Port Number = Socket

60
Q

Non-ephemeral ports - permanent port numbers

A

0-1023

61
Q

Ephemeral ports - temporary port numbers

A

1024-65535

62
Q

Operates on the OSI Layer 4 (Transport Layer).

A

TCP and UDP

63
Q

Provides Multiplexing to use many different applications at the same time.

A

TCP and UDP

64
Q

Encapsulated within the IP protocol.

A

TCP and UDP

CompTIA A+ Core 1 (220-1101) (1 decks)

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