Supporting Network ServiceSummarize Services Provided by Networked Hosts

Question 1

is a computer or system that provides data, resources, programs, or services to other computers, called clients, over a network.

Answer 1

server

Question 2

a collection of files that are accessible to multiple users over a network.

Answer 2

fileshare

Question 3

is a versatile, multifunction computer; clients and servers are just programs that run on a host.

Answer 3

Host

Question 4

is a specific device that requests services or data from another device (called a server) on the network

Answer 4

Clients

Question 5

a computer that stores and manages files for a network of computers.

Answer 5

file server

Question 6

is a **network protocol **that allows computers on a network to share files, printers, and other resources with each other, essentially enabling users to access data on a remote server as if it were on their local machine; it’s primarily used in Windows operating systems but can also be accessed on other platforms like macOS and Linux. Verison 1 is unsafe.

windows

Answer 6

Server Message Block (SMB)

Question 7

allowed computers to address one another by name and establish sessions for other protocols, such
as SMB.

windows

Answer 7

Network Basic
Input/Output System (NetBIOS)

Question 8

allows a client to upload and download files from
a network server. It is often used to upload files to websites. But it is unsecure.

Answer 8

File Transfer Protocol (FTP)

Question 9

Secure way of transferring files.

Answer 9

FTP-Secure (FTPS)
FTP over Secure Shell (SFTP)

Question 10

is one that provides client access using HTTP or its secure version (HTTPS).

Answer 10

web server

Question 11

enables clients (typically web browsers) to request resources from an … server. A client connects to the server using port TCP/80 (by default) and submits a request for a resource (GET). The server either returns the data requested data if it is available or responds with an error code.

Answer 11

HyperText Transfer Protocol (HTTP)

Question 12

is the coding language used to structure the content of a webpage, defining elements like headings, paragraphs, images, and links, essentially dictating how a web page is displayed in a browser; it’s considered the fundamental building block of the World Wide Web.

Answer 12

HyperText Markup Language (HTML)

Question 13

a clickable link that connects one web resource to another.

Answer 13

Hyperlink

Question 14

is the address of a specific location on the web

Answer 14

uniform resource locator (URL).

Question 15

Typically, an organization will lease a web server or space on a server from an ISP. Larger organizations with Internet-connected datacenters may host websites themselves.

Answer 15

Web Server Deployment

Question 16

is a security protocol that encrypts data sent between a user’s browser and a website, using SSL through TLS in port TCP/443.

Answer 16

Hypertext Transfer Protocol Secure (HTTPS)

Question 17

is a protocol that encrypts data sent between a browser and a website to protect sensitive information.

Answer 17

Secure Sockets Layer (SSL)

Question 18

a cryptographic protocol that secures data transmission over a network by encrypting information, authenticating parties involved, and ensuring data integrity,

Answer 18

Transport Layer Security (TLS)

Question 19

is an electronic document that verifies the identity of a user, device, or server through process:
* Public key infrastructure (PKI)
* Certificate Authorities (CAs)
* Public key
* Private key
* Certification path validation

Answer 19

Digital Certificate

Question 20

is a software program that manages the sending, receiving, and storage of emails.

Answer 20

Mail Server

Question 21

specifies how email is delivered
from one mail domain to another.
* Port TCP/25
* Port TCP/587

Answer 21

Simple Mail Transfer Protocol (SMTP)

Question 22

When an email is received by an SMTP server, it delivers the message to a

Answer 22

Mailbox Servers

Question 23

is an early example of a mailbox access protocol.

Answer 23

Post Office Protocol (POP)
aka (POP3)

Question 24

is a standard protocol that allows email clients to retrieve emails from a mail server. port TCP/143, or TCP/993. It is more advanced than POP

Answer 24

Internet Message Access Protocol (IMAP)

Question 25

is a user authentication system that allows users to log in to multiple applications with one set of credentials.

Answer 25

single sign-on (SSO)

Question 26

is a network protocol that allows users to access and manage directories of information. uses TCP and UDP port 389 by default

Answer 26

Lightweight Directory Access Protocol (LDAP)

Question 27

is a network server that controls user access to computer resources. Components:
* Supplicant
* Network access server (NAS) or network access point (NAP)
* AAA server

Answer 27

Authentication, Authorization, and Accounting (AAA) server

Question 28

allows a host to accept connections to its command shell or graphical desktop from across the network.

Answer 28

remote terminal server

Question 29

is any kind of software that replicates this TTY input/output function.

Answer 29

terminal emulator

Question 30

is the principal means of obtaining secure remote access to UNIX and Linux servers and to most types of network appliances (switches, routers, and firewalls). on port TCP/22

Answer 30

Secure Shell (SSH)

Question 31

is both a protocol and a terminal emulation software tool that transmits shell commands and output between a client and the remote host. on port TCP/23 by default**

Answer 31

Telnet

Question 32

is Microsoft’s protocol for operating remote GUI
connections to a Windows machine. RDP uses port TCP/3389. you can connect to a Windows desktop remotely using a non-Windows device.

Answer 32

Remote Desktop Protocol (RDP)

Question 33

is a standard network protocol used to monitor and manage network devices like routers, switches, and servers by collecting information about their status and performance, allowing network administrators to remotely manage and troubleshoot issues across their network infrastructure; over port UDP/161; traps are communicated over port UDP/162.

Answer 33

Simple Network Management Protocol (SNMP)

Question 34

is an example of a protocol and supporting software that facilitates log collection, listening on port UDP/514.

Answer 34

Syslog