Internetworking Questions and Answers

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Showing 10 of 30 questions
Q21
What is the purpose of NAT?
  • A To increase network speed
  • B To translate private IPs to public IP
  • C To encrypt network traffic
  • D To assign IP addresses automatically
Answer: Option B
Explanation: NAT allows multiple devices to share a single public IP address.
Q22
Which wireless security protocol is considered most secure?
  • A WEP
  • B WPA
  • C WPA2
  • D WPA3
Answer: Option D
Explanation: WPA3 provides the strongest security for wireless networks among the options.
Q23
What is the maximum speed of Gigabit Ethernet?
  • A 10 Mbps
  • B 100 Mbps
  • C 1000 Mbps
  • D 10000 Mbps
Answer: Option C
Explanation: Gigabit Ethernet provides 1000 Mbps data transfer rate.
Q24
Which protocol is used for file transfer?
  • A HTTP
  • B SMTP
  • C FTP
  • D SNMP
Answer: Option C
Explanation: FTP is specifically designed for transferring files between computers.
Q25
What does MAC address represent?
  • A Manufacturers identification number
  • B Memory Access Control
  • C Media Access Control address
  • D Main Access Channel
Answer: Option C
Explanation: MAC addresses are hardware addresses assigned to network interface cards.
Q26
Which topology uses a central connecting device?
  • A Bus
  • B Ring
  • C Star
  • D Mesh
Answer: Option C
Explanation: Star topology connects all devices to a central hub or switch.
Q27
What is the purpose of DHCP?
  • A To translate domain names
  • B To assign IP addresses automatically
  • C To route packets between networks
  • D To provide secure connections
Answer: Option B
Explanation: DHCP automatically assigns IP addresses to devices on a network.
Q28
Which layer of OSI model handles data encryption?
  • A Physical
  • B Data Link
  • C Network
  • D Presentation
Answer: Option D
Explanation: The Presentation layer (Layer 6) handles encryption and data formatting.
Q29
What is the main advantage of fiber optic cables?
  • A Low cost
  • B Easy installation
  • C High bandwidth and no EMI
  • D Wireless capability
Answer: Option C
Explanation: Fiber optic cables provide high bandwidth and are immune to electromagnetic interference.
Q30
Which protocol is connection-oriented?
  • A UDP
  • B IP
  • C TCP
  • D ICMP
Answer: Option C
Explanation: TCP provides reliable, connection-oriented communication with error checking.

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