Networking - Security Question and Answer

Networking - Security Question and Answer
1. Which of the following is true regarding access lists applied to an interface?
  • You can place as many access lists as you want on any interface until you run out of memory.
  • You can apply only one access list on any interface.
  • One access list may be configured, per direction, for each layer 3 protocol configured on an interface.
  • You can apply two access lists to any interface.
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2. Which command would you use to apply an access list to a router interface?
  • ip access-list 101 out
  • access-list ip 101 in
  • ip access-group 101 in
  • access-group ip 101 in
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3. Which of the following is an example of a standard IP access list?
  • access-list 110 permit host 1.1.1.1
  • access-list 1 deny 172.16.10.1 0.0.0.0
  • access-list 1 permit 172.16.10.1 255.255.0.0
  • access-list standard 1.1.1.1
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4. You need to create an access list that will prevent hosts in the network range of 192.168.160.0 to 192.168.191.0. Which of the following lists will you use?
  • access-list 10 deny 192.168.160.0 255.255.224.0
  • access-list 10 deny 192.168.160.0 0.0.191.255
  • access-list 10 deny 192.168.160.0 0.0.31.255
  • access-list 10 deny 192.168.0.0 0.0.31.255
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5. You are working on a router that has established privilege levels that restrict access to certain functions. You discover that you are not able to execute the command show running-configuration. How can you view and confirm the access lists that have been applied to the Ethernet 0 interface on your router?
  • show access-lists
  • show interface Ethernet 0
  • show ip access-lists
  • show ip interface Ethernet 0
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6. What command will permit SMTP mail to only host 1.1.1.1?
  • access-list 10 permit smtp host 1.1.1.1
  • access-list 110 permit ip smtp host 1.1.1.1
  • access-list 10 permit tcp any host 1.1.1.1 eq smtp
  • access-list 110 permit tcp any host 1.1.1.1 eq smtp
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7. You want to create a standard access list that denies the subnet of the following host: 172.16.50.172/20. Which of the following would you start your list with?
  • access-list 10 deny 172.16.48.0 255.255.240.0
  • access-list 10 deny 172.16.0.0 0.0.255.255
  • access-list 10 deny 172.16.64.0 0.0.31.255
  • access-list 10 deny 172.16.48.0 0.0.15.255
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8. What router command allows you to determine whether an IP access list is enabled on a particular interface?
  • show ip port
  • show access-lists
  • show ip interface
  • show access-lists interface
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9. You have created a named access list called Blocksales. Which of the following is a valid command for applying this to packets trying to enter interface s0 of your router?
  • (config)# ip access-group 110 in
  • (config-if)# ip access-group 110 in
  • (config-if)# ip access-group Blocksales in
  • (config-if)# blocksales ip access-list in
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10. You want to create a standard access list that denies the subnet of the following host: 172.16.144.17/21. Which of the following would you start your list with?
  • access-list 10 deny 172.16.48.0 255.255.240.0
  • access-list 10 deny 172.16.144.0 0.0.7.255
  • access-list 10 deny 172.16.64.0 0.0.31.255
  • access-list 10 deny 172.16.136.0 0.0.15.255
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Networking
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