Networking MCQs with answers Page - 81

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A

Admin • 833.24K Points
Coach

Q. What command is used to assign a VLAN ID to a subinterface?

  • (A) encapsulation dot1Q <vlan-id>
  • (B) vlan id <vlan-id>
  • (C) assign vlan <vlan-id>
  • (D) ip vlan <vlan-id>

A

Admin • 833.24K Points
Coach

Q. What is a disadvantage of using Router-on-a-Stick?

  • (A) Single point of failure and limited bandwidth through one interface
  • (B) It requires multiple physical routers
  • (C) It cannot support more than two VLANs
  • (D) It requires static routes only

A

Admin • 833.24K Points
Coach

Q. What happens if the trunk link between router and switch fails in Router-on-a-Stick?

  • (A) Inter-VLAN communication stops
  • (B) VLANs merge automatically
  • (C) Only VLAN 1 remains active
  • (D) The switch becomes a router

A

Admin • 833.24K Points
Coach

Q. Which of the following is a benefit of VLANs in a network?

  • (A) Improved security and reduced broadcast traffic
  • (B) Increased cable length
  • (C) Higher internet speed
  • (D) Automatic IP assignment

A

Admin • 833.24K Points
Coach

Q. Which device can perform both switching and routing for VLANs?

  • (A) Layer 3 Switch
  • (B) Hub
  • (C) Bridge
  • (D) Access Point

A

Admin • 833.24K Points
Coach

Q. What is required for hosts in different VLANs to communicate?

  • (A) A Layer 3 device with interfaces in each VLAN
  • (B) A single Layer 2 switch
  • (C) Static ARP entries
  • (D) Same IP subnet

A

Admin • 833.24K Points
Coach

Q. Which of the following best describes a Layer 3 switch?

  • (A) A switch capable of routing between VLANs at hardware speed
  • (B) A switch that only operates at the Data Link layer
  • (C) A router that cannot switch packets
  • (D) A device used for wireless communication

A

Admin • 833.24K Points
Coach

Q. What is the main requirement for implementing a Router-on-a-Stick configuration?

  • (A) A router with at least one Ethernet interface
  • (B) A router with multiple WAN ports
  • (C) A Layer 3 switch with VLAN capability
  • (D) A switch with PoE support

A

Admin • 833.24K Points
Coach

Q. In a Router-on-a-Stick setup, how does the router differentiate between VLANs?

  • (A) By VLAN tags using 802.1Q encapsulation
  • (B) By IP address only
  • (C) By MAC address
  • (D) By port number

A

Admin • 833.24K Points
Coach

Q. Which Cisco IOS command enables IP routing on a Layer 3 switch?

  • (A) ip routing
  • (B) enable routing
  • (C) route enable
  • (D) vlan routing

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