Module 2: Client & Servers

Question 1

What roles can computer hosts act as in modern networks?

Answer 1

Client, server, or both

Question 2

What determines the role of a computer host in a network?

Answer 2

The software installed on the computer

Question 3

What is a server?

Answer 3

A host with software that provides information to other hosts

Question 4

What types of information can servers provide?

Answer 4

Email or webpages

Question 5

What is required for each server service?

Answer 5

Separate server software

Question 6

What is a client in the context of computer networks?

Answer 6

A host with software that requests and displays information from the server

Question 7

What does a client do using web browser software?

Answer 7

Requests the webpage from the server

Question 8

What does the web server respond with when a client requests a webpage?

Answer 8

The webpage

Question 9

What can clients do with email messages from the email server?

Answer 9

Send and receive email messages

Question 10

What is the role of a server in a network?

Answer 10

To provide information to other hosts

Servers run software that allows them to deliver services like email or web pages.

Question 11

What does an email server run?

Answer 11

Email server software

Clients access email on the server using mail client software, like Microsoft Outlook.

Question 12

What software do clients use to access web pages on a web server?

Answer 12

Browser software

Examples include Windows Internet Explorer.

Question 13

What is the function of a file server?

Answer 13

To store corporate and user files in a central location

Clients access these files using client software like Windows File Explorer.

Question 14

What are computers connected to a network that participate directly in network communication classified as?

Answer 14

Hosts

Hosts can send and receive messages on the network.

Question 15

What is the primary function of servers in a network?

Answer 15

Provide information to other hosts

Examples include email or web pages.

Question 16

What is required for a host to provide web services to the network?

Answer 16

Web server software

Each service requires separate server software.

Question 17

What type of software do clients use to request and display information from servers?

Answer 17

Client software

An example is a web browser.

Question 18

What software does an email server run?

Answer 18

Email server software

Clients use mail client software to access email.

Question 19

What client software is used to access email on an email server?

Answer 19

Mail client software

An example is Microsoft Outlook.

Question 20

What type of server stores corporate and user files in a central location?

Answer 20

File server

Client devices can access these files.

Question 21

What client software is typically used to access files from a file server?

Answer 21

Windows File Explorer

Client devices use this software to access stored files.

Question 22

What is a peer-to-peer (P2P) network?

Answer 22

A network where many computers function as both servers and clients.

In small businesses and homes, P2P networks allow for the direct exchange of data and services.

Question 23

What is the simplest form of a P2P network?

Answer 23

Two directly connected computers using a wired or wireless connection.

These computers can exchange data and services, acting as either clients or servers as needed.

Question 24

What is required to create a larger P2P network?

Answer 24

A network device, such as a switch, to interconnect multiple computers.

This allows for the expansion of the basic P2P structure.

Question 25

What is a main disadvantage of a P2P network?

Answer 25

Performance of a host can be slowed down if it acts as both a client and a server. ## Footnote This dual role can lead to inefficiencies in data processing.

Question 26

Why might larger businesses require dedicated servers?

Answer 26

To support the high amounts of network traffic and service requests. ## Footnote Dedicated servers help manage load more effectively than a P2P setup.

Question 27

List three advantages of peer-to-peer networking.

Answer 27

* Easy to set up * Less complex * Lower cost due to no need for dedicated servers ## Footnote P2P networks are suitable for simple tasks like file and printer sharing.

Question 28

List three disadvantages of peer-to-peer networking.

Answer 28

* No centralized administration * Not as secure * Not scalable ## Footnote These factors can limit the effectiveness of P2P networks in larger environments.

Question 29

Fill in the blank: Peer-to-peer networks can be used for simple tasks such as _______.

Answer 29

[transferring files and sharing printers]

Question 30

True or False: All devices in a P2P network can act as both clients and servers.

Answer 30

True ## Footnote This characteristic can lead to performance issues.

Question 31

What does a P2P application allow a device to do?

Answer 31

Act as both a client and a server within the same communication

Question 32

In a P2P model, what is the relationship between clients and servers?

Answer 32

Every client is a server and every server is a client

Question 33

What do P2P applications require from each end device?

Answer 33

Provide a user interface and run a background service

Question 34

What is a hybrid system in the context of P2P applications?

Answer 34

Resource sharing is decentralized, but indexes are stored in a centralized directory

Question 35

In a hybrid P2P system, what does each peer access to locate resources?

Answer 35

An index server

Question 36

Fill in the blank: In P2P applications, both clients can simultaneously _______ and _______ messages.

Answer 36

send receive

Question 37

True or False: In a P2P application, every device must act only as a client.

Answer 37

False

Question 38

What can a computer with server software provide?

Answer 38

Services simultaneously to one or many clients.

Question 39

What types of server software can a single computer run?

Answer 39

File server, web server, email server.

Question 40

What must be installed for every service required?

Answer 40

Client software.

Question 41

What can a host do with multiple client software installed?

Answer 41

Connect to multiple servers at the same time.

Question 42

Fill in the blank: A user can check email and view a _______ while instant messaging and listening to internet radio.

Answer 42

web page.

Question 43

Name two types of client software.

Answer 43

Email client, web browser.

Question 44

True or False: A single computer can only act as one type of server.

Answer 44

False.

Question 45

What is an example of a service a computer can provide as a server?

Answer 45

File access.