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  • Question
  • 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

  • Correct Answer
  • access-list 110 permit tcp any host 1.1.1.1 eq smtp 

    Explanation
    When trying to find the best answer to an access-list question, always check the access-list number and then the protocol. When filtering to an upper-layer protocol, you must use an extended list, numbers 100-199 and 2000-2699. Also, when you filter to an upper-layer protocol, you must use either tcp or udp in the protocol field. If it says ip in the protocol field, you cannot filter to an upper-layer protocol. SMTP uses TCP.

  • More questions

    • 1. How many collision domains are created when you segment a network with a 12-port switch?

    • Options
    • A. 1
    • B. 2
    • C. 5
    • D. 12
    • Discuss
    • 2. What is the maximum distance with maximum data rate for 802.11g?

    • Options
    • A. About 65-75 feet
    • B. About 90-100 feet
    • C. About 150 feet
    • D. Over 200 feet
    • Discuss
    • 3. Which of the following commands will allow you to set your Telnet password on a Cisco router?

    • Options
    • A. line telnet 0 4
    • B. line aux 0 4
    • C. line vty 0 4
    • D. line con 0
    • Discuss
    • 4. You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which classful subnet mask would you use?

    • Options
    • A. 255.255.255.192
    • B. 255.255.255.224
    • C. 255.255.255.240
    • D. 255.255.255.248
    • Discuss
    • 5. Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?

    • Options
    • A. frame-relay arp
    • B. frame-relay map
    • C. frame-relay interface-dci
    • D. frame-relay lmi-type
    • Discuss
    • 6. What VTP mode allows you to change VLAN information on the switch?

    • Options
    • A. Client
    • B. STP
    • C. Server
    • D. Transparent
    • Discuss
    • 7. The network address of 172.16.0.0/19 provides how many subnets and hosts?

    • Options
    • A. 7 subnets, 30 hosts each
    • B. 8 subnets, 8,190 hosts each
    • C. 8 subnets, 2,046 hosts each
    • D. 7 subnets, 2,046 hosts each
    • Discuss
    • 8. Which command will allow you to see real-time translations on your router?

    • Options
    • A. show ip nat translations
    • B. show ip nat statistics
    • C. debug ip nat
    • D. clear ip nat translations *
    • Discuss
    • 9. Which of the following is an IEEE standard for frame tagging?

    • Options
    • A. ISL
    • B. 802.3Z
    • C. 802.1Q
    • D. 802.3U
    • Discuss
    • 10. Which command will display all the EIGRP feasible successor routes known to a router?

    • Options
    • A. show ip routes *
    • B. show ip eigrp summary
    • C. show ip eigrp topology
    • D. show ip eigrp adjacencies
    • Discuss


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