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WorksheetsCOM 122 TEST
Total questions: 50
Worksheet time: 25mins
The Internet is:
A single computer
A global network of interconnected computers
A programming language
A type of email
The Internet and World Wide Web are:
The same thing
Different; the Internet is the network, WWW is the service
Programming tools
Operating systems
Which protocol is primarily used for web browsing?
HTTP
SMTP
FTP
POP3
Bandwidth refers to:
The number of websites
The capacity of a network to carry data
The length of a cable
The size of a router
Which is an advantage of the Internet in education?
Promotes isolation
Provides online resources and learning
Reduces knowledge
Increases cost
ISP stands for:
Internet System Protocol
Internet Service Provider
Internal Server Program
International Service Pack
Difference between LAN and WAN is that:
LAN is local, WAN is wide area
Both are the same
LAN covers the world
WAN is always wireless
Which device connects a network to the Internet?
Router
Switch
Hub
Printer
An IP address is:
A website name
A unique numerical identifier for a computer on a network
An email address
A software application
Difference between IPv4 and IPv6 is:
IPv4 uses 32 bits, IPv6 uses 128 bits
IPv4 is faster than IPv6
IPv6 is smaller than IPv4
Both have same structure
Cloud computing refers to:
Weather forecast
Delivering computing services over the Internet
Building a local server
Buying hardware
A security challenge of the Internet is:
Speed increase
Hacking and malware
Online shopping
Faster downloads
Which of these is not a search engine?
Yahoo
Bing
Mozilla
A firewall is used for:
Printing documents
Protecting a network from unauthorized access
Increasing download speed
Designing websites
Intranet is different from extranet because:
Intranet is internal, extranet allows limited outside access
Both are global
Extranet is a search engine
Intranet uses emails only
Data transfer rate refers to:
The time taken to switch on a computer
The speed of transmitting data
The number of users on a network
The size of memory
The unit of data transfer rate is:
Bytes
Bits per second (bps)
Hertz
Volt
2 Mbps is equal to:
200 Kbps
2000 Kbps
20 Kbps
2 Kbps
Latency in communication means:
Data transfer rate
Delay before transfer of data
File size
Network bandwidth
Which connection has the fastest rate?
Dial-up
Broadband
Fiber optic
Satellite
Upload speed means:
Speed of downloading files
Speed of sending data from device to Internet
Speed of watching videos
Speed of saving files
A 10 MB file takes 5 seconds to download. What is the average data rate?
2 Mbps
5 Mbps
10 Mbps
50 Mbps
A factor affecting transfer rate is:
Network congestion
File name
Computer wallpaper
Keyboard speed
Which device usually has the highest transfer speed?
Floppy disk
HDD
SSD
CD-ROM
High transfer rate is important in gaming because:
Reduces lag
Increases graphics
Creates bigger files
Stops viruses
DNS stands for:
Data Numbering System
Domain Name System
Digital Network Service
Domain Network Source
The main function of DNS is:
Encrypting files
Translating domain names to IP addresses
Creating hardware
Sending emails
Which are examples of top-level domains?
.com and .org
www and http
ISP and IP
Modem and router
Which is a valid domain name?
www.google
www.google.com
http://
.comwww
Difference between domain name and IP address:
Domain name is human-readable, IP is numerical
Both are numbers
Both are names
Domain name is faster
A DNS server is:
A website
A computer that stores domain names and IPs
A programming language
An operating system
ccTLD refers to:
Country code Top-Level Domain
Central computer Transfer Level Device
Content coding Transfer Link Domain
None
In https://www.microsoft.com, the domain name is:
https
www
microsoft.com
/
An advantage of DNS is:
Easier access to websites
Longer IP addresses
Slower browsing
Reduced emails
When you type a website name in browser:
DNS converts name to IP
Computer shuts down
Website becomes email
File is deleted
Email stands for:
Electronic Mail
Easy Mail
Electronic Message Application
External Mail
An advantage of email is:
Slow delivery
Instant global communication
Requires high cost
Reduces productivity
Which protocol is used to send emails?
SMTP
IMAP
POP3
FTP
CC in email means:
Send to many recipients visibly
Hide recipients
Attach a file
Delete a message
Spam email refers to:
Unwanted or junk mail
Secure messages
Business letters
Password-protected files
Which is a disadvantage of email?
Speed
Risk of spam and viruses
Easy communication
Free services
An email header contains:
To, From, Subject, Date
Attachment only
File size only
Graphics
Which is NOT an email service provider?
Gmail
Yahoo Mail
Outlook
Windows
POP3 differs from IMAP because:
POP3 downloads messages, IMAP syncs them
Both delete emails immediately
POP3 sends messages only
IMAP has no server
Which is a valid email address?
www.name@com
name@gmail.com
name.gmail.com
http://email.com
An email client is:
Software used to manage and send emails
A website
A virus
A printer
Email encryption is important because:
Secures email content
Reduces Internet cost
Speeds up network
Deletes spam
A rule of email netiquette is:
Use clear subject lines
Send viruses
Write in all caps always
Forward spam
Phishing is:
Fraudulent emails to steal information
Online fishing game
Saving emails offline
Sharing attachments
Organizations use email for:
Business communication
Playing games
Watching movies
Editing photos
