Internetworking Questions and Answers

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Showing 10 of 30 questions
Q11
What is the primary purpose of an IP address?
  • A To store web pages
  • B To identify devices on a network
  • C To encrypt data
  • D To provide wireless connectivity
Answer: Option B
Explanation: IP addresses uniquely identify devices on a network for communication.
Q12
Which protocol is used for secure web browsing?
  • A HTTP
  • B FTP
  • C HTTPS
  • D SMTP
Answer: Option C
Explanation: HTTPS provides encrypted communication over HTTP for secure web browsing.
Q13
What does DNS stand for in networking?
  • A Domain Name System
  • B Dynamic Network Service
  • C Data Naming Structure
  • D Digital Network Security
Answer: Option A
Explanation: DNS translates domain names to IP addresses for easier web navigation.
Q14
Which device operates at the Network Layer of the OSI model?
  • A Switch
  • B Router
  • C Hub
  • D Bridge
Answer: Option B
Explanation: Routers operate at Layer 3 to route packets between different networks.
Q15
What is the default port number for HTTP?
  • A 21
  • B 25
  • C 80
  • D 443
Answer: Option C
Explanation: Port 80 is the standard port for unencrypted web traffic.
Q16
Which protocol is used for sending email?
  • A POP3
  • B IMAP
  • C SMTP
  • D FTP
Answer: Option C
Explanation: SMTP is specifically designed for sending and routing email messages.
Q17
What is the main function of a firewall?
  • A To increase network speed
  • B To connect multiple networks
  • C To filter network traffic
  • D To assign IP addresses
Answer: Option C
Explanation: Firewalls monitor and control incoming and outgoing network traffic based on security rules.
Q18
Which type of cable is commonly used in Ethernet networks?
  • A Coaxial cable
  • B Fiber optic cable
  • C Twisted pair cable
  • D USB cable
Answer: Option C
Explanation: Twisted pair cables with RJ-45 connectors are standard for Ethernet networks.
Q19
What does VLAN stand for?
  • A Virtual Local Area Network
  • B Very Large Area Network
  • C Variable Length Access Node
  • D Virtual Link Access Network
Answer: Option A
Explanation: VLANs logically segment networks without requiring physical separation.
Q20
Which protocol provides error reporting for IP?
  • A TCP
  • B UDP
  • C ICMP
  • D ARP
Answer: Option C
Explanation: ICMP is used by network devices to send error messages and operational information.

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