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Practice Test Flashcards

7 cards from real Cisco CCNA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which command displays the IP address, subnet mask, and default gateway configured on a Cisco router interface?

    Answer: show ip interface brief

    The 'show ip interface brief' command provides a concise summary of all interfaces including IP addresses and their status.

  2. What is the administrative distance of OSPF?

    Answer: 110

    OSPF has an administrative distance of 110, which determines its trustworthiness compared to other routing protocols.

  3. Which Spanning Tree Protocol port state forwards data frames and learns MAC addresses?

    Answer: Forwarding

    Only the Forwarding state allows a port to both learn MAC addresses and forward data frames.

  4. A network administrator needs to allow only HTTPS traffic inbound on an interface. Which port number should be permitted in the ACL?

    Answer: 443

    HTTPS uses TCP port 443 for secure web communication.

  5. Which protocol is used by Cisco devices to share VLAN database information between switches?

    Answer: VTP

    VLAN Trunking Protocol (VTP) propagates VLAN configuration information across a switched network.

  6. What is the default VLAN on a Cisco switch?

    Answer: VLAN 1

    VLAN 1 is the default VLAN on Cisco switches and all ports are assigned to it by default.

  7. Which command enables OSPF on a router with process ID 1?

    Answer: router ospf 1

    The 'router ospf 1' command enters OSPF router configuration mode with process ID 1.