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Home Networking Spanning Tree Protocol See What Others Are Saying!
  • Question
  • Which of the following is a layer 2 protocol used to maintain a loop-free network?


  • Options
  • A. VTP
  • B. STP
  • C. RIP
  • D. CDP

  • Correct Answer
  • STP 

    Explanation
    The Spanning Tree Protocol is used to stop switching loops in a switched network with redundant paths.

  • More questions

    • 1. What is the maximum distance running the lowest data rate for 802.11a?

    • Options
    • A. About 100 feet
    • B. About 175 feet
    • C. About 300 feet
    • D. About 350 feet
    • Discuss
    • 2. Which of the following is considered to be the destination host before translation?

    • Options
    • A. Inside local
    • B. Outside local
    • C. Inside global
    • D. Outside global
    • Discuss
    • 3. Which router command allows you to view the entire contents of all access lists?

    • Options
    • A. show all access-lists
    • B. show access-lists
    • C. show ip interface
    • D. show interface
    • Discuss
    • 4. Which layer 4 protocol is used for a Telnet connection?

    • Options
    • A. IP
    • B. TCP
    • C. TCP/IP
    • D. UDP
    • Discuss
    • 5. What protocol does PPP use to identify the Network layer protocol?

    • Options
    • A. NCP
    • B. ISDN
    • C. HDLC
    • D. LCP
    • Discuss
    • 6. What command will permit SMTP mail to only host 1.1.1.1?

    • Options
    • A. access-list 10 permit smtp host 1.1.1.1
    • B. access-list 110 permit ip smtp host 1.1.1.1
    • C. access-list 10 permit tcp any host 1.1.1.1 eq smtp
    • D. access-list 110 permit tcp any host 1.1.1.1 eq smtp
    • Discuss
    • 7. The Corporate router receives an IP packet with a source IP address of 192.168.214.20 and a destination address of 192.168.22.3. Looking at the output from the Corporate router, what will the router do with this packet?
      Corp#sh ip route
      [output cut]
      R    192.168.215.0 [120/2] via 192.168.20.2, 00:00:23, Serial0/0
      R    192.168.115.0 [120/1] via 192.168.20.2, 00:00:23, Serial0/0
      R    192.168.30.0 [120/1] via 192.168.20.2, 00:00:23, Serial0/0
      C    192.168.20.0 is directly connected, Serial0/0
      C    192.168.214.0 is directly connected, FastEthernet0/0

    • Options
    • A. The packet will be discarded.
    • B. The packet will be routed out the S0/0 interface.
    • C. The router will broadcast looking for the destination.
    • D. The packet will be routed out the Fa0/0 interface.
    • Discuss
    • 8. Which statement(s) about IPv4 and IPv6 addresses are true?

      1. An IPv6 address is 32 bits long, represented in hexidecimal.
      2. An IPv6 address is 128 bits long, represented in decimal.
      3. An IPv4 address is 32 bits long, represented in decimal.
      4. An IPv6 address is 128 bits long, represented in hexidecimal.

    • Options
    • A. 1 and 3 only
    • B. 2 only
    • C. 3 and 4
    • D. 2 and 4
    • Discuss
    • 9. When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?

    • Options
    • A. By default, all VLANs are allowed on the trunk.
    • B. No VLAN's are allowed, you must configure each VLAN by hand.
    • C. Only configured VLAN's are allowed on the link.
    • D. Only extended VLAN's are allowed by default.
    • Discuss
    • 10. In Cisco's Unified Wireless Solution, what is the split-MAC architecture?

    • Options
    • A. The split-MAC architecture uses MAC addresses to create a forward/filter table and break up collision domains.
    • B. The split-MAC architecture allows the splitting of 802.11 protocol packets between the AP and the controller to allow processing by both devices.
    • C. The split-MAC architecture uses MAC addresses on the wireless network and IP addresses on the wired network.
    • D. The split-MAC architecture uses MAC addresses to create a forward/filter table and break up broadcast domains.
    • Discuss


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