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WorksheetsTheme E Ch1-3
Total questions: 50
Worksheet time: 24mins
What is the main purpose of a computer network?
To communicate with the outside world
To share resources
To play games
To connect printers
What is the difference between LAN and WAN?
LAN is for local connections, while WAN is for connecting different LANs
LAN is for connecting different LANs, while WAN is for local connections
LAN is for connecting printers, while WAN is for connecting computers
LAN is for connecting computers, while WAN is for connecting printers
What is the purpose of a protocol in computer networking?
To establish communication between computers
To connect printers to the network
To share files and applications
To provide internet access
What does TCP/IP stand for?
Transmission Control Protocol/Internet Protocol
Telecommunication Control Protocol/Internet Protocol
Transport Control Protocol/Internet Protocol
Telecommunication Control Protocol/Internet Provider
What is the purpose of a network interface card?
To connect computers to the network
To establish communication between LANs
To share resources
To provide internet access
What is the function of a switch in a computer network?
To connect multiple devices in a LAN
To connect LANs in a WAN
To provide internet access
To establish communication between computers
What is the purpose of a router in a computer network?
To connect different LANs together
To connect printers to the network
To share files and applications
To provide internet access
What is the difference between P2P and client-server network?
P2P does not have a central server, while client-server network does
P2P has a central server, while client-server network does not
P2P is used for local connections, while client-server network is used for wide area connections
P2P is used for wide area connections, while client-server network is used for local connections
Which of the following is not a purpose of computer networks?
Communicate with others
Training one's critical thinking
Sharing IT equipment
Sending files to others
Which of the following is an example of a LAN?
An office with multiple computers
Different cities connected by a network
Buildings in a city connected by a network
Universities in different countries connected by a network
Which of the following kinds of technology can be used in a WAN?
Artificial satellite
Microwave
Undersea cables
Which of the following is a network service provider?
Hong Kong BroadBand
HGC
PCCW
Apple
Which of the following is true about peer-to-peer networks?
Every computer has a similar role
One computer manages the others
A network printer cannot be connected
All of the above
Which of the following hardware devices can be shared by a computer network?
Printer
Broadband modem
Router
Server
Which of the following types of files can be shared on a computer network?
Text
Video
Animations
Audio
Which of the following devices have a built-in physical keyboard?
Notebook Computer
Tablet Computer
PDA
Smartphone
Which device commonly uses a stylus?
Notebook Computer
Tablet Computer
PDA
Smartphone
Which device is commonly used to read ebooks?
Notebook Computer
Tablet Computer
PDA
Smartphone
Which wireless network standard has the highest data transmission speed?
802.11ax
802.11n
802.11g
802.11b
Which wireless network standard is the slowest?
802.11ax
802.11n
802.11g
802.11b
Which wireless network standard introduced multi-input multi-output channels?
802.11ax
802.11n
802.11g
802.11b
Which network standard has a lower setup cost?
Wired
Wireless
Which type of network is more susceptible to hacking?
Wireless
Wired
Which of the following is not a wireless device?
Laptop
Smartphone
Tablet
Walkie Talkie
Which of the following is not a common wireless LAN standard?
802.11a
802.11b
802.11g
802.11h
Which technology supports 802.11n (Wi-Fi 4) but not other WiFi 1 to 3.
MIMO
WEP
2.4 GHz
4 GHz
Which of the following is a disadvantage of wireless networks compared to wired networks?
Wireless networks are less reliable
Wireless networks are slower
It is more difficult to secure a wireless network
Which of the following is an advantage of wireless networks over wired networks?
More flexible to users
More reliable
Faster speed
Easier to secure
Which device(s) may cause electromagnetic interference on a wireless network?
Microwave oven
Cordless phone
Bluetooth headset
Why is a dual-band wireless router more reliable than a single-band wireless router?
It has more antennas
It supports higher data transfer rates
It can switch to another channel if there is electromagnetic interference
It has a larger coverage area
What is the purpose(s) of the Internet? (May select more than ONE)
To exchange information between computers
To share resources between computers
To make friends
Which protocol is commonly used for comnecting computers on the Internet?
HTTP
FTP
IP
HTTPS
What is the difference between IP version 4 and IP version 6?
IP version 4 has 32-bit addresses, while IP version 6 has 128-bit addresses
IP version 4 has 128-bit addresses, while IP version 6 has 32-bit addresses
IP version 4 is used for wireless networking, while IP version 6 is used for wired networking
There is no difference between IP version 4 and IP version 6
How many unique IP addresses can be accommodated by IP version 4?
2^22
2^32
2^96
2^128
What is the notation used to represent IP addresses in binary?
Dotted Decimal Notation
Hexadecimal Notation
Octal Notation
Binary Notation
Which command can be used to find the IP address of the DNS server of a computer?
ipconfig.org
ping
ipconfig /all
pinged
What is the main reason why IP version 6 is replacing IP version 4?
IP version 6 provides more IP addresses
IP version 6 has faster transmission speed
IP version 6 is more secure
IP version 6 is easier to configure
What is the function of a domain name system (DNS) server?
To translate domain names into IP addresses
To provide internet connectivity
To store website content
To manage network security
Which command can be used to check the connectivity between two computers or networks?
ipconfig
ping
ftp
http
What is the correct order of steps when using a web browser to visit a website?
1. Press enter
2. Open a broswer
3. Click the address bar
4. Type the required link
2, 3, 4, 1
3, 2, 4, 1
1, 2, 3, 4
4, 3, 2, 1
What information can be obtained using the ping command?
The IP address associated with the domain name being pinged
The location of the domain name system server
The content of the web page
The transmission speed of the internet connection
Can a computer connect to a web server using only the IP address without a domain name system server?
Yes
No
It depends on the web browser
What is the possible valid IP address of a domain name server used by the computer?
10.132.240.21
141.5.241
202.82.11.911
13.75.107.164.1
What is the function of a DNS Server?
find IP address
Translate Domain Name into respective IP address.
Translate IP address to respective Domain Name.
Web pages translation by our own computer using DNS.
Convert 10110 into binary number.
1011011
1100101
101
1001010
What is the highest version of wifi?
802.11be
802.11ax
802.11n
802.11x
Convert 12 (base 10) into a binary number.
1004
1100
1010
12
Which of the following(s) is a/are valid IP address(s)?
1.2.3.4
256.1.2.3
2.3.4.5.6
6.7.8.9
What is the function of a switch?
Connect monitors and speakers.
Connect 2 different LANs.
Connect 2 or more computers together to form a network.
Convert computer signals.
What is the main function of a router?
Connect monitors and speakers.
Connect 2 different LANs.
Connect 2 or more computers together to form a network.
Convert computer signals.
