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Network+ Exam Prep > 1.4 Protocols & Ports > Flashcards

1.4 Protocols & Ports Flashcards

1
Q

IMAP4 is an email retrieval protocol that lets users

A

access their email from various locations without the need to transfer messages or files back and forth between computers.

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2
Q

Hypertext Transfer Protocol (HTTP)

A

80

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3
Q

r

Messages remain on the remote mail server and are not automatically downloaded to a client system.

A

What happens to messages that are accessed using the IMAP4 protocol?

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4
Q

80

A

HTTP

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5
Q

SNMP

A

161

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6
Q

r

is a host-to-host protocol like TCP, but it does not acknowledge each packet transmitted, nor does it allow for retransmission of lost packets.

A

User Datagram Protocol (UDP)

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7
Q

Ideal for streaming audio and video. Faster communications, however, this speed comes at the expense of possible errors or data loss.

A

UDP

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8
Q

445

A

SMB/CIFS

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9
Q

25

A

SMTP

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10
Q

TCP provides the following services to ensure message delivery:

A
  • Sequencing of data packets
  • Error checking
  • Acknowledgment of packets sent
  • Retransmission of packets lost
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11
Q

443

A

HTTPS

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12
Q

File Transfer Protocol (FTP)

A

20/21

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13
Q

Network Time Protocol (NTP)

A

123

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14
Q

Domain Name Server (DNS)

A

53

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15
Q

SMTP is used to route

A

electronic mail through the internetwork.

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16
Q

R

(UDP) User Datagram Protocol is ideal for streaming audio and video. Faster communications, however…

A

this speed comes at the expense of possible errors or data loss.

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17
Q

r

managing complex networks by letting host exchange configuration and status information.

A

Simple Network Management Protocol (SNMP) is designed for

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18
Q

67/68

A

DHCP

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19
Q

Lightweight Directory Access Protocol over TLS/SSL (LDAPS)

A

636

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20
Q

143

A

IMAP4

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21
Q

110

A

POP3

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22
Q

r

accurate and timely delivery of network communications between two hosts.

A

TCP provides services that ensure

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23
Q

rr

123

A

Network Time Protocol (NTP)

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24
Q

20/21

A

FTP

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25
Q

LDAP is used to

A

update, search and retrieve data from a directory service.

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26
Q

Lightweight Directory Access Protocol (LDAP)

A

389

27
Q

rr

69

A

Trivial File Transfer Protocol (TFTP)

28
Q

r

prevent errors and control information by allowing hosts to exchange packet status information

A

Internet Control Message Protocol (ICMP)

29
Q

r

the console of a computer system somewhere else in the network. There is no encryption it’s not secure

A

Telnet allows a computer to remotely access

30
Q

Telnet allows a computer to remotely access

A

the console of a computer system somewhere else in the network.

It does not use encryption, it is recommended that you use a secure alternative SSH.

31
Q

SSH allows for secure interactive control of

A

Remote Host. It’s a secure and preferred alternative to Telnet.

32
Q

TELNET

A

23

33
Q

Session Initiation Protocol (SIP)
Session Initiation Protocol (SIP) over TLS

A

5060

5061

34
Q

HTTP over Secure Sockets Layer (HTTPS)

A

443

35
Q

User Datagram Protocol (UDP) is a host-to-host protocol like TCP, but

A

it does not acknowledge each packet transmitted, nor does it allow for retransmission of lost packets.

36
Q

23

A

TELNET

37
Q

69

A

Trivial File Transfer Protocol (TFTP)

38
Q

TCP provides services that ensure

A

accurate and timely delivery of network communications between two hosts.

39
Q

Simple Mail Transfer Protocol (SMTP) uses a process

A

…called “store and forward,” to move emails across networks.

40
Q

Internet Message Access Protocol (IMAP4)

A

143

41
Q

Secure Shell (SSH)

A

22

42
Q

3389

A

RDP

43
Q

Post Office Protocol (POP3)

A

110

44
Q

161

A

SNMP

45
Q

NTP is used to

A

communicate time synchronization information between systems on a network.

46
Q

Dynamic Host Configuration Protocol (DHCP)

A

67/68

47
Q

rr

5060

5061

A

Session Initiation Protocol (SIP)
Session Initiation Protocol (SIP) over TLS

48
Q

Trivial File Transfer Protocol (TFTP)

A

69

49
Q

53

A

DNS

50
Q

r

  • Destinations that are unreachable
  • The # of hops a packet takes through the network
  • Test Connectivity
A

ICMP works with IP to send notices for the following:

51
Q

What are the four protocol types?

A

TCP - Transmission Control Protocol

IP - Internet protocol suite

UDP - User Datagram Protocol

ICMP - Internet Control Message Protocol

52
Q

ICMP works with IP to… (3)

A
  • Test Connectivity
  • Notify of unreachable Destinations
  • Notify the # of hops a packet takes through the network
53
Q

r

  • Sequencing of data packets
  • Error checking
  • Acknowledgment of packets sent
  • Retransmission of packets lost
A

TCP provides the following services to ensure message delivery:

54
Q

rr

1720

A

H.323 Call Signaling

55
Q

What happens to messages that are accessed using the IMAP4 protocol?

A

Messages remain on the remote mail server they are not automatically downloaded to a client system.

56
Q

Simple Mail Transfer Protocol (SMTP)

A

25

57
Q

r

update, search and retrieve data from a directory service.

A

LDAP is used to

58
Q

rr

636

A

Lightweight Directory Access Protocol over TLS/SSL (LDAPS)

59
Q

389

A

LDAP

60
Q

Simple Network Management Protocol (SNMP) is designed for

A

managing complex networks by letting host exchange configuration and status information.

61
Q

SMB/CIFS

A

445

62
Q

H.323 Call Signaling

A

1720

63
Q

Remote Desktop Protocol (RDP)

A

3389

64
Q

22

A

SSH

Network+ Exam Prep (11 decks)

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