Introduction To IP/Network

Question 1

Which layer does TCP and UDP operate

Answer 1

Transport Layer

Question 2

TCP

Answer 2

Transmission Control Protocol

Question 3

UDP

Answer 3

User Datagram Protocol

Question 4

IPv4 socket what is needed

Answer 4

-Server IP address, protocol, server application, port number
-Client IP address, protocol, client port number

Question 5

FTP

Answer 5

File transfer Protocol

Question 6

SSH

Answer 6

Secure Shell
Port Number: 22
-Provides a secure encrypted connection for remote access.

Question 7

Telnet

Answer 7

Port Number: 23
-An older protocol for remote access (less secure than SSH).

Question 8

SMTP

Answer 8

Simple Mail Transfer Protocol
Port Number: 25
-Used for sending email.

Question 9

DNS

Answer 9

Domain Name System
Port Number: 53
-Translates domain names (like google.com) into IP addresses.

Question 10

DHCP

Answer 10

Dynamic Host Configuration Protocol
67/68
-Assigns IP addresses to devices on a network.

Question 11

HTTP

Answer 11

Hypertext Transfer Protocol
80
-Used for standard web communication (unencrypted).

Question 12

POP3

Answer 12

Post Office Protocol 3
110
-Used for retrieving email.

Question 13

NetBIOS/NetBT

Answer 13

137/139
-Used for older network communication, especially on Windows networks.

Question 14

IMAP

Answer 14

Internet Message Access Protocol
143
-Used for accessing email on a server.

Question 15

LDAP

Answer 15

Lightweight Directory Access Protocol
389
-Used for accessing directory services.

Question 16

HTTPS

Answer 16

Hypertext Transfer Protocol Secure
443
-Used for secure web communication (encrypted).

Question 17

SMB

Answer 17

Server Message Block
445
-Used for file sharing and printing on Windows networks.

Question 18

RDP

Answer 18

Remote Desktop Protocol
3389
-Allows remote access to a computer’s desktop

Question 19

IMAPS

Answer 19

993
-Secure version of IMAP.

Question 20

POP3S

Answer 20

995
-Secure version of POP3.