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WorksheetsInternet Networking – Multiple Choice Exam
Total questions: 20
Worksheet time: 10mins
What does IP stand for in networking?
Internet Process
Internet Protocol
Internal Path
Which device connects multiple networks together?
Switch
Router
Hub
What is the purpose of a subnet mask?
To identify the MAC address
To divide a network into sub-networks
To encrypt data packets
Which layer of the OSI model is responsible for routing?
Network Layer
Transport Layer
Session Layer
What protocol is used to transfer files over the Internet?
SMTP
FTP
HTTP
Which IP address class is used for large networks?
Class A
Class B
Class C
What is the function of DNS in networking?
To translate domain names into IP addresses
To secure data packets
To manage IP addressing
Which of the following is a private IP address?
8.8.8.8
172.16.0.5
201.23.45.12
Which command is used to check connectivity between two devices?
ipconfig
ping
netstat
What protocol does email use to receive messages?
SMTP
POP3
FTP
What is the default port number for HTTP?
21
25
80
What does LAN stand for?
Which device operates at Layer 2 of the OSI model?
Router
Switch
Firewall
What is the main purpose of a firewall?
To increase bandwidth
To block unauthorized access
To store user data
Which type of network covers a large geographical area?
LAN
WAN
MAN
Which protocol provides reliable, connection-oriented data transmission?
UDP
TCP
IP
What does DHCP do?
Assigns IP addresses automatically
Encrypts Internet traffic
Checks packet errors
What does SSL stand for?
Secure Socket Layer
System Security Link
Safe Server Login
What is the loopback IP address?
0.0.0.0
127.0.0.1
255.255.255.255
Which of the following is used to uniquely identify a device on a network?
DNS
MAC address
Gateway
