Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q3441: What is the main purpose of a VLAN?
- A: Reduce physical cabling
- B: Combine IP addresses
- C: Create redundant topologies
- D: Physically connect remote hosts
View Answer
A
Q3442: Fill in the blank: A VLAN allows a ______ connection between stations on different LANs.
- A: hardware
- B: logical
- C: physical
- D: satellite
View Answer
B
Q3443: Which device can connect three physical LANs and use VLAN software?
- A: Hub
- B: Router
- C: Switch
- D: Repeater
View Answer
C
Q3444: What does a VLAN provide among geographically separate stations?
- A: Wireless link
- B: Virtual connection
- C: Physical circuit
- D: External routing
View Answer
B
Q3445: How does a router differ from a hub or switch?
- A: It only works at the physical layer
- B: It uses broadcast only
- C: It checks both IP and MAC addresses
- D: It connects only identical networks
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C
Q3446: What does a VLAN eliminate the need for?
- A: Routers
- B: Cabling
- C: Switches
- D: Repeaters
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B
Q3447: What criteria is used to determine VLAN membership?
- A: IP subnet
- B: MAC address
- C: Geographic location
- D: VPN rules
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C
Q3448: Fill in the blank: Routers act on packets only if the ______ matches the receiving interface's address.
- A: MAC header
- B: IP checksum
- C: Link-layer destination
- D: address type
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C
Q3449: Which of the following characteristics can be used to group stations in a VLAN?
- A: MAC address
- B: IP address
- C: Port number
- D: All of the above
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D
Q3450: Fill in the blank: VLAN stations can be grouped using ______ characteristics.
- A: interface numbers only
- B: port numbers only
- C: only MAC addresses
- D: various combinations including MAC, IP, and port numbers
View Answer
D