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Question 1 of 60 Quiz ID: q1

What is the primary purpose of electronic mail (e-mail)?

To create web pages on the Internet

To send messages on the Internet or any other connected network

To store files on remote servers

To browse multimedia content

Question 2 of 60 Quiz ID: q2

Which of the following is a valid example of an e-mail address format?

www.example.com

http://example.com

[email protected]

example.com/user

Question 3 of 60 Quiz ID: q3

What happens when mail is delivered to a mailbox?

It must be read immediately by the recipient

It is automatically deleted after 24 hours

The recipient can read it at his convenience

It can only be accessed by the sender

Question 4 of 60 Quiz ID: q4

Which of the following is NOT listed as a reason why e-mail is popular?

It is widely used

It is easy to use

It requires both parties to be online simultaneously

It is low-cost and reliable

Question 5 of 60 Quiz ID: q5

What is a key advantage of e-mail over telephone communication?

E-mail is always faster than phone calls

You can read/send e-mail at your convenience

E-mail supports only text messages

E-mail requires special hardware

Question 6 of 60 Quiz ID: q6

How does e-mail differ from the Web in terms of communication direction?

E-mail is unidirectional, Web is bidirectional

E-mail is bidirectional, Web is mostly unidirectional

Both are equally bidirectional

Both are unidirectional

Question 7 of 60 Quiz ID: q7

What is a key characteristic of e-mail compared to the Web in terms of timing?

E-mail is real-time, Web is asynchronous

E-mail is asynchronous, Web is real-time

Both are real-time

Both are asynchronous

Question 8 of 60 Quiz ID: q8

Which of the following is a characteristic of Instant Messaging (IM)?

Messages can be sent to offline recipients

Sender and recipients are all online

Only supports long text messages

Cannot indicate user presence

Question 9 of 60 Quiz ID: q9

What is the primary advantage of Web Forums for group communication?

Messages are automatically deleted

Only text-based communication is allowed

Convenient to read, reply and archive messages

No login is required

Question 10 of 60 Quiz ID: q10

Which e-mail access method involves using a web browser interface?

Client-server method

Direct server login

Web-based access

Command-line interface

Question 11 of 60 Quiz ID: q11

What is the primary function of a Mail Client (User Agent)?

To transfer e-mail between servers

To store messages permanently

To compose, send, receive, read and store messages

To scan for malware and spam

Question 12 of 60 Quiz ID: q12

What is the role of a Mail Server (Mail Transfer Agent)?

To compose and edit messages

To transfer e-mail from one place to another

To provide user interface for reading mail

To store user preferences

Question 13 of 60 Quiz ID: q13

What does the Message Store component do in an e-mail system?

Sends messages to recipients

Composes new messages

Stores messages for users

Encrypts all communications

Question 14 of 60 Quiz ID: q14

What protocol does the mail client use to send mail to the gateway?

HTTP protocol

FTP protocol

Submit protocol

Telnet protocol

Question 15 of 60 Quiz ID: q15

What type of DNS record specifies the mail server for a domain?

A record

CNAME record

MX record

NS record

Question 16 of 60 Quiz ID: q16

Why do organizations scan outgoing e-mail?

To compress the messages

To add digital signatures

To check for malware and prevent spreading infections

To translate messages to different languages

Question 17 of 60 Quiz ID: q17

What does SMTP stand for?

Secure Mail Transfer Protocol

Simple Mail Transfer Protocol

Standard Mail Transmission Protocol

System Mail Transport Protocol

Question 18 of 60 Quiz ID: q18

What is the structure of SMTP commands?

Eight-letter commands with binary data

Variable-length commands with XML format

Four-letter commands with additional data following

Two-letter commands with numeric prefixes

Question 19 of 60 Quiz ID: q19

In the SMTP model, which component initiates the communication?

The receiver (server)

The sender (client)

Both simultaneously

A third-party mediator

Question 20 of 60 Quiz ID: q20

What does the SMTP command 'EHLO' accomplish?

Ends the SMTP session

Sends the message content

Introduces the client to the server and requests capabilities

Specifies the message recipient

Question 21 of 60 Quiz ID: q21

What does the SMTP 'DATA' command indicate?

The start of recipient specification

The beginning of message header and body transmission

The end of the SMTP session

A request for server status

Question 22 of 60 Quiz ID: q22

How do mailing lists work in e-mail systems?

The sender must know all recipient addresses

Messages are sent individually to each recipient

A list manager sends copies to each address on the list

Recipients must request each message separately

Question 23 of 60 Quiz ID: q23

What is POP3 used for in e-mail systems?

Sending outgoing mail

Scanning for viruses

Mail retrieval (though very old)

Creating mailing lists

Question 24 of 60 Quiz ID: q24

What advantage does IMAP have over POP3?

IMAP is faster for all operations

IMAP can store mail folders on the server

IMAP requires less bandwidth

IMAP is simpler to configure

Question 25 of 60 Quiz ID: q25

What is a major security concern with traditional e-mail?

Messages are too fast

Storage requirements are too high

Forged e-mail, spam, and viruses

Limited message size

Question 26 of 60 Quiz ID: q26

What does 'end-to-end' security in e-mail mean?

Only the mail servers handle encryption

Security is managed by ISPs

Servers do not get involved in the security process

Security is optional for users

Question 27 of 60 Quiz ID: q27

What does SPF (Sender Policy Framework) help prevent?

Large file attachments

Slow mail delivery

Forged e-mail addresses

Encrypted messages

Question 28 of 60 Quiz ID: q28

What does DKIM stand for in e-mail authentication?

Domain Key Internet Mail

DomainKeys Identified Mail

Digital Key Internet Messaging

Domain Key Identity Management

Question 29 of 60 Quiz ID: q29

According to RFC 822, what are the three main parts of an e-mail message format?

Subject, Body, Attachments

Envelope, Headers, Body

Sender, Recipient, Message

Date, From, Content

Question 30 of 60 Quiz ID: q30

What information is typically contained in the e-mail envelope?

The message subject and date

Delivery information, recipients, and sender's address

The message body content

Attachment details

Question 31 of 60 Quiz ID: q31

Why can't the 'From:' header in e-mail be completely trusted?

It's automatically generated by servers

It's encrypted and unreadable

It's set by the sender and cannot be relied upon

It only contains the domain name

Question 32 of 60 Quiz ID: q32

In the e-mail address '[email protected]', what does 'treasure.org' represent?

The mailbox name

The user's real name

The mailserver name specifying where mail should be delivered

The message subject

Question 33 of 60 Quiz ID: q33

What is the difference between 'To:' and 'Cc:' headers in e-mail?

To: is for internal recipients, Cc: is for external

To: is for primary recipients, Cc: indicates non-primary recipients

To: is mandatory, Cc: is optional

To: is encrypted, Cc: is plain text

Question 34 of 60 Quiz ID: q34

What is the purpose of the 'Message-Id:' header?

To specify the message priority

To provide a unique string to identify the message

To indicate the message size

To show the delivery route

Question 35 of 60 Quiz ID: q35

What information do 'Received:' headers provide?

The message content summary

User authentication details

Postmarks from each mail server the message traveled through

Attachment file sizes

Question 36 of 60 Quiz ID: q36

What problem did MIME solve for e-mail systems?

Slow message delivery

Inability to handle binary files and specify content types

Limited number of recipients

Weak password security

Question 37 of 60 Quiz ID: q37

How many new message header fields does MIME introduce?

Three header fields

Five header fields

Seven header fields

Ten header fields

Question 38 of 60 Quiz ID: q38

What does 'Content-Transfer-Encoding: base64' indicate in a MIME message?

The content is compressed

The content is encrypted

The method used to encode the data

The content is a text file

Question 39 of 60 Quiz ID: q39

Which MIME type would be appropriate for a Microsoft Word document?

text/plain

image/jpeg

application/msword

audio/basic

Question 40 of 60 Quiz ID: q40

What is the purpose of boundaries in multipart MIME messages?

To encrypt different sections

To separate different parts of the message

To compress the message content

To specify the message priority

Question 41 of 60 Quiz ID: q41

What is a key characteristic of modern messaging systems?

They only support text messages

They can send images, video, files, etc.

They require postal addresses

They work only on desktop computers

Question 42 of 60 Quiz ID: q42

Which of the following is NOT mentioned as a common type of messaging?

SMS

E-mail

Slack

Question 43 of 60 Quiz ID: q43

What is a major limitation of proprietary messaging systems?

They are slower than e-mail

Both sender and receiver must be on the same system

They don't support multimedia

They require internet connection

Question 44 of 60 Quiz ID: q44

What is an advantage of proprietary messaging systems?

Universal compatibility

Lower cost

More features and potentially more secure

Simpler setup

Question 45 of 60 Quiz ID: q45

What does XMPP stand for?

eXternal Messaging and Presence Protocol

eXtensible Messaging and Presence Protocol

eXpress Messaging and Privacy Protocol

eXclusive Messaging and Public Protocol

Question 46 of 60 Quiz ID: q46

What is a key advantage of XMPP over proprietary messaging systems?

It's faster and more reliable

Anyone can run a server and servers can interconnect

It uses less bandwidth

It's more secure by default

Question 47 of 60 Quiz ID: q47

What format does XMPP use for its messages?

Binary format

JSON format

XML-based messages

Plain text format

Question 48 of 60 Quiz ID: q48

How do WhatsApp and Google relate to XMPP?

They completely avoid XMPP

They run versions of XMPP

They compete directly with XMPP

They only support XMPP clients

Question 49 of 60 Quiz ID: q49

Why is XMPP popular for IoT messaging?

It uses less power

It supports things talking to other things

It's required by IoT standards

It's the only protocol available

Question 50 of 60 Quiz ID: q50

What is required for secure e-mail using PGP or S/MIME?

Special e-mail servers

Government authorization

Public key infrastructure (PKI)

Premium e-mail accounts

Question 51 of 60 Quiz ID: q51

In a firewall-protected e-mail system, where is the mail gateway typically located?

Inside the local network

In the DMZ (demilitarized zone)

Outside the firewall

On the user's computer

Question 52 of 60 Quiz ID: q52

What does the numeric code '250' typically indicate in SMTP responses?

Error in processing

Successful operation

Temporary failure

Connection refused

Question 53 of 60 Quiz ID: q53

What does the SMTP response code '354' mean?

Message accepted for delivery

Enter mail, end with '.' on a line by itself

Connection established

Recipient unknown

Question 54 of 60 Quiz ID: q54

Which e-mail access method is most suitable for users who frequently change locations?

Direct server login

POP3 protocol

IMAP protocol

Local file storage

Question 55 of 60 Quiz ID: q55

What is the primary difference between SMS and instant messaging apps like WhatsApp?

SMS is faster than WhatsApp

WhatsApp requires internet, SMS uses cellular network

SMS supports multimedia, WhatsApp doesn't

WhatsApp is text-only, SMS supports images

Question 56 of 60 Quiz ID: q56

What can cause an MX record to have multiple entries for the same domain?

To increase security

To provide backup mail servers with different priorities

To support different protocols

To handle different message types

Question 57 of 60 Quiz ID: q57

In MIME, what does the 'application/octet-stream' content type indicate?

A text document

An image file

Binary data of unknown type

An audio file

Question 58 of 60 Quiz ID: q58

Why might IMAP be slower to access folders compared to POP3?

IMAP uses more encryption

IMAP stores more data on the server and provides more functionality

IMAP requires authentication for each access

IMAP compresses all messages

Question 59 of 60 Quiz ID: q59

What is the significance of case sensitivity in e-mail addresses?

Both parts are case-sensitive

Neither part is case-sensitive

Mail server name is not case-sensitive, mailbox name may be

Mail server name is case-sensitive, mailbox name is not

Question 60 of 60 Quiz ID: q60

What makes instant messaging systems convenient on phones compared to traditional e-mail?

They use less battery power

They provide faster internet connections

They are designed for short messages and quick interaction

They don't require typing

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