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Networking > Protocols > Flashcards

Protocols Flashcards

1
Q

What is ICMP?

A

Internet Control Message Protocol: used t o send Error message and operational information indicating for example a requested service is not available or that host or router could not be reached.

Traceroute command uses ICMP

Operates at layer 3

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2
Q

What is IPSEC

A

Internet Protocol Security is a secure network protocol suite that authenticates and encrypts the packet of data sent over an IP network used by VPN.

Operates at layer 3

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3
Q

ARP

A

Address Resolution Protocol is a communication protocol used for discovering the link layer address such as MAC address within a giving network

Layer 2 protocol

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4
Q

PPP

A

Point to Point its establish direct communication between two nodes.
Operates at level 2

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5
Q

Slip

A

Serial Link Internet protocol is an encapsulation of IP designed to work over serial ports.

Operates at level 2

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6
Q

RPC

A

Remote procedure call. When a program causes a procedure to execute at a different space.

operates at layer 5 uses UDP or TCP

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7
Q

NFS

A

Network File systems is a distributed file system protocol that allows access to field over the network

used UDP by default

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8
Q

Net Bios

A

Provides communication services on local network.

Commonly used on windows

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9
Q

SMTP

A

Simple Mail transfer protocol used for sending e-mail

uses TCP

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10
Q

CSMA/CD

A

Carrier-sense multiple access with collision detection-used in ethernet to prevent collision. While it does not prevent it helps manage to resolve it.

Operates at layer 1

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11
Q

FTP

A

File Transfer Protocol is a standard network protocol used for transfer of computer files between two nodes.
Operates at layer 7

Uses TCP

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12
Q

Bittorrent

A

Is a peer to peer protocol for file sharing.

uses TCP
operates at layer 7

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13
Q

DNS

A

Domain Name System: Resolves domain names to corresponding IP address

TCP uses Zone transfer
UDP use name queries

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14
Q

Microsoft-DS Active DIrectory

A

A domain controller by windows to help manage users and devices on a network.

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15
Q

Bootstrap Protocol

A

is used automatically assign an IP to a network device from configuration server

TCP

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16
Q

WINS

A

Windows Internet Naming Service

Uses TCP

17
Q

RMP

A

Reliable Multicast Protocol - is a multiple sender multiple receiver transport layer protocol for range of multicast application.

18
Q

POP or POP3

A

Post Office Protocol retrieves email from an e-mail server

TCP

19
Q

IMAP

A

Internet message access protocol is a mail protocol used for retrieves email on a remote web server from a local client

TCP

20
Q

SNMP

A

Simple Network Management Protocol used to monitor and manage network devices

UDP

21
Q

TFTP

A

Trivial File Transfer Protocol: Transfers files with a remote host.

UDP

22
Q

Rlogin & rsh

A

Remote login is a unix program that allows user to log in on another host.

TCP
Does not require a user type his or her username
if it is a trusted hosted does not ask for a password.

23
Q

LDAP

A

Lightweight directory Access Protocol - client-server protocol for accessing directory services specifically x.500-bases directory services

TCP

24
Q

NTP

A

Network Time Protocol used for clock synchronization between computer system over packet-switched, variables latency data networks.
UDP

25
Q

SSH

A

Secure Shell: Securely connect to a remote host

TCP

26
Q

SFTP

A

Secure FTP similar to FTP over SSH

TCP

27
Q

SCP

A

Secure Copy Provides a secure file-transfer service over a Ssh connection and offers files original date and time information.

TCP

28
Q

HTTP

A

Hypertest Transfer Protocol retrieves content from a web server

tcp

29
Q

HTTPS

A

Hypertext Transfer Protocol secure retrieve content over the web securely.

tcp

30
Q

Telnet

A

Used to connect to a remote host.

TCP

31
Q

Server Message Block

A

used to share files, printers, and other networks resources

tcp

32
Q

DHCP

A

Dynamic Host Configuration Protocol: Dynamically assigns IP address information to a network service

UDP

33
Q

NNTP

A

Network News Tranport Protocol supports the posting and reading of articles on usenet new servers

TCP

34
Q

SNTP

A

Simple Network Time Protocol: Support time synchronization about network devices.

UDP

35
Q

H.323

A

is a signaling protocol that provides multimedia communications over a network.

Networking (19 decks)

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