Competitive Exams : Computer Awareness - Internet and Email (Set 4)

Question 1

Which protocol is primarily responsible for transmitting web pages over the Internet securely using encryption standard SSL/TLS?

Accepted Answer

B) HTTPS

Answer

A) HTTP

Answer

C) FTP

Answer

D) SMTP

Answer

E) Telnet

Question 2

In standard email communication headers, what does the abbreviation CC stand for?

Accepted Answer

A) Carbon Copy

Answer

B) Computer Copy

Answer

C) Blind Carbon Copy

Answer

D) Central Copy

Answer

E) Contact Copy

Question 3

Which of the following numerical address formats represents a valid IPv4 address?

Accepted Answer

C) 172.16.254.1

Answer

A) 192.168.1.256

Answer

B) 256.0.0.1

Answer

D) 10.300.1.5

Answer

E) 192.168.1.1.1

Question 4

Statement I: POP3 downloads emails from the server to the local device and typically removes them from the server.
Statement II: IMAP maintains emails on the server, synchronizing message states across multiple devices simultaneously.

Choose the correct option regarding the statements above:

Accepted Answer

C) Both statements are true

Answer

A) Statement I is true, Statement II is false

Answer

B) Statement I is false, Statement II is true

Answer

D) Both statements are false

Question 5

Which top-level domain (TLD) is designated primarily for non-profit organizations?

Accepted Answer

D) .org

Answer

A) .com

Answer

B) .gov

Answer

C) .edu

Answer

E) .mil

Question 6

In the Uniform Resource Locator https://www.example.com/blog/article.html, which portion is the domain name?

Accepted Answer

B) www.example.com

Answer

A) https://

Answer

C) /blog/

Answer

D) article.html

Answer

E) https

Question 7

Which network protocol is specifically designed for pushing and transmitting outgoing emails between mail servers or clients?

Accepted Answer

C) SMTP

Answer

A) POP3

Answer

B) IMAP

Answer

D) FTP

Answer

E) SNMP

Question 8

What term is commonly used to describe unsolicited and unwanted bulk electronic mail sent across the Internet?

Accepted Answer

B) Spam

Answer

A) Phishing

Answer

C) Malware

Answer

D) Cookies

Answer

E) Cache

Question 9

Which web browser component stores web page content locally on the storage drive to speed up subsequent loading times?

Accepted Answer

B) Web Cache

Answer

A) Web Cookie

Answer

C) Bookmark

Answer

D) History

Answer

E) Extension

Question 10

Sender Client ---> [ Protocol X ] ---> Mail Server A ---> [ Protocol X ] ---> Mail Server B ---> [ Protocol Y ] ---> Receiver Client

In the email delivery pipeline shown above, which protocol corresponds to Protocol X?

Accepted Answer

C) SMTP

Answer

A) POP3

Answer

B) IMAP

Answer

D) HTTP

Answer

E) FTP

Question 11

What is the full expansion of the acronym URL?

Accepted Answer

B) Uniform Resource Locator

Answer

A) Universal Resource Locator

Answer

C) Uniform Resource Link

Answer

D) Universal Resource Link

Answer

E) Unified Reference Locator

Question 12

Which system acts as a barrier to inspect, filter, and monitor incoming and outgoing network traffic based on configured security rules?

Accepted Answer

B) Firewall

Answer

A) Antivirus

Answer

C) Gateway

Answer

D) Bridge

Answer

E) Repeater

Question 13

What is the primary function of the Blind Carbon Copy (BCC) field when composing an email?

Accepted Answer

A) Hides the addresses in the BCC field from all other recipients

Answer

B) Encrypts the main text of the email message

Answer

C) Automatically forwards replies to the sender

Answer

D) Returns a read receipt when opened

Answer

E) Sends the message with emergency priority

Question 14

Which TCP port number is assigned by default for standard unencrypted HTTP web traffic?

Accepted Answer

C) Port 80

Answer

A) Port 21

Answer

B) Port 25

Answer

D) Port 443

Answer

E) Port 110

Question 15

What internet service converts user-friendly domain names like www.google.com into machine-readable IP addresses?

Accepted Answer

B) DNS

Answer

A) DHCP

Answer

C) ARP

Answer

D) NAT

Answer

E) ICMP

Question 16

Which protocol enables encrypted interactive command-line sessions and remote logins over a network?

Accepted Answer

B) SSH

Answer

A) Telnet

Answer

C) FTP

Answer

D) SFTP

Answer

E) UDP

Question 17

A user receives an email claiming to originate from their bank asking them to click an urgent verification link and enter account credentials on a duplicate login form.

What form of cyber attack is described in this scenario?

Accepted Answer

B) Phishing

Answer

A) Denial of Service (DoS)

Answer

C) Man-in-the-Middle

Answer

D) Ransomware

Answer

E) Keylogging

Question 18

What is a small text file saved on a client computer by a web server to store user preferences and session data?

Accepted Answer

B) HTTP Cookie

Answer

A) Web Cache

Answer

C) Browser Plug-in

Answer

D) Java Applet

Answer

E) Certificate

Question 19

Which standard port is designated for encrypted web connection traffic using HTTPS?

Accepted Answer

D) Port 443

Answer

A) Port 80

Answer

B) Port 21

Answer

C) Port 22

Answer

E) Port 993

Question 20

Which short-range radio communication technology connects devices within Personal Area Networks (PANs) up to 10 meters?

Accepted Answer

B) Bluetooth

Answer

A) Wi-Fi

Answer

C) WiMAX

Answer

D) Ethernet

Answer

E) Zigbee