Port Config

Question 1

What is a protocol used to receive mail from a mail server. Messages are deleted from the server by default after being retrieved from the server. This is a problem if you use multiple devices to receive mail.

Answer 1

POP3 is post office protocol; the standard port is 110.

Question 2

What is another protocol used to receive mail. It allows more control of the e-mail server with options to save messages, create folders, and organize messages.

Answer 2

IMAP is internet message access protocol, the standard port is 143.

Question 3

Used to transfer files to and from a server

Answer 3

FTP is file transfer protocol and is port 21

Question 4

Used to access remote devices with added encryption

Answer 4

SSH is secure shell which is on port 22

Question 5

Used to access remote devices without encryption

Answer 5

Telnet which is on port 23

Question 6

Used for sending mail

Answer 6

SMTP is simple mail transfer protocol on port 25

Question 7

Translates domain names to IP addresses

Answer 7

DNS which is domain name system on port 53

Question 8

Standard for communication on the web ; used to render pages in web browsers

Answer 8

HTTP which is hyper text transfer protocol on port 80

Question 9

Secure communication on the web

Answer 9

HTTPS which is secure hyper text transfer protocol on port 443

Question 10

Used to connect to remote computers

Answer 10

RDP which is Remote Desktop protocol on port 3389

Question 11

Used for LAN communication

Answer 11

NetBIOS/NetBT which is network basic input output system on port 137-139

Question 12

Used for shared access on a network

Answer 12

SMB/CIFS - server message block/common internet file system on port 445

Question 13

Used for local service directory

Answer 13

SLP - service location protocol on port 427

Question 14

Used for Apple file services

Answer 14

AFP - Apple file protocol on port 548

Question 15

Used to assign IP addresses to network hosts

Answer 15

DHCP - dynamic host configuration protocol on port 67/68

Question 16

Used to send and receive network management messages

Answer 16

SNMP - simple network management protocol on port 161/162

Question 17

An SNMP management station receives SNMP notifications from agents on UDP port?

Answer 17

Port 162

Question 18

An SNMP agent receives requests on UDP port?

Answer 18

Port 161

Question 19

Which of the following answers refers to an API that enables communication between hosts on a LAN?

Answer 19

NetBIOS

Question 20

Which port enables the FTP data connection for sending file data?

Answer 20

TCP Port 20

Question 21

Transmission Control Protocol (TCP) is a connection-oriented protocol using a three-way handshake, which is a set of initial steps required to establish network connection. TCP supports retransmission of lost packets, flow control (managing the amount of data that is being sent), and sequencing (rearranging packets that arrived out of order). True or false?

Answer 21

True

Question 22

User Datagram Protocol (UDP) is an example of a connectionless protocol. Because UDP does not support a three-way handshake while establishing a network connection, it is referred to as an unreliable or best-effort protocol. True or false?

Answer 22

False