Network Protocols

Question 1

They define rules and conventions for data transfer between
network devices, ensuring successful and secure data communication.

Answer 1

Protocols

Question 2

Network protocols can be broadly grouped into three categories

Answer 2

Communication Protocols
Security Protocols
Management Protocols

Question 3

These control the format and transmission of data.

Answer 3

Communication Protocols

Question 3

These help protect data as it traverses networks.

Answer 3

Security Protocols

Question 4

These help maintain and govern network resources.

Answer 4

Management Protocols

Question 5

OSI meaning

Answer 5

Open Systems Interconnection Model

Question 6

It’s a conceptual framework used to understand network
interactions in seven layers:

Answer 6

OSI Model

Question 7

OSI Model Seven Layers

Answer 7

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

Question 8

: Deals with the physical connection between devices and the
transmission of binary data over those connections.

Answer 8

Physical Layer

Question 9

: Provides error detection, flow control, and frames the data.

Answer 9

Data Link Layer

Question 10

Manages routing, forwarding, and addressing.

Answer 10

Network Layer

Question 11

Ensures data is transferred completely and correctly.

Answer 11

Transport Layer

Question 12

Manages sessions and controls dialogues between computers.

Answer 12

Session Layer

Question 13

Translates data formats and encrypts/decrypts data

Answer 13

Presentation Layer

Question 14

Provides services for applications to exchange data.

Answer 14

Application Layer

Question 15

Common Communication Protocols

Answer 15

HTTP/HTTPS
FTP/SFTP
SMTP/IMAP/POP3
TCP/IP
UDP

Question 16

Security Protocols

Answer 16

SSL/TLS
IPSec
SSH
WPA/WPA2

Question 17

Network Management Protocols

Answer 17

SNMP
ICMP
DHCP

Question 18

is an application layer protocol used for
distributing, collaborating, and hyper-linking information on the World Wide
Web

Answer 18

HTTP

Question 19

is the secure version, using encryption to increase
security.

Answer 19

HTTPS

Question 20

) is used for transferring files across networks

Answer 20

FTP

Question 21

on the other hand, provides secure file
access and transfer functionalities over encrypted SSH connections.

Answer 21

SFTP

Question 22

Protocol used to send emails.

Answer 22

SMPTP

Question 23

allows users to retrieve messages
from a mail server.

Answer 23

IMAP

Question 24

enables retrieving the emails from a server to a local machine.

Answer 24

POP3

Question 25

nsures reliable communication, while IP (Internet Protocol) handles addressing and forwarding of packets.

Answer 25

TCP/IP

Question 26

is a simpler message-based connectionless protocol. It is used when speed is desirable and error correction is less critical, such as streaming videos.

Answer 26

UDP

Question 27

are cryptographic protocols designed to provide secure communication over the internet

Answer 27

SSL/TLS

Question 28

encrypts and authenticates IP packets, ensuring secure exchange over IP networks.

Answer 28

IPSec

Question 29

is used to remotely log into and manage computers by providing secure, encrypted communications.

Answer 29

SSH

Question 30

These protocols enhance wireless security, with __being widely adopted as it offers stronger security features over its predecessor.

Answer 30

WPA/WPA2

Question 31

is used for collecting and organizing information about managed devices on IP networks.

Answer 31

SNMP

Question 32

delivers error messages and operational information, often utilized in diagnostic tools like ping and traceroute.

Answer 32

ICMP

Question 33

automatically assigns IP addresses and other network settings to devices, simplifying network administration.

Answer 33

DHCP