Questions and answers for exam Preparation

MCQs

Total Questions : 69 | Page 6 of 7 pages

Question 51. 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

Discuss Question

Answer: Option C. -> ip access-group 101 in

Question 52. 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

Discuss Question

Answer: Option D. -> access-list 110 permit tcp any host 1.1.1.1 eq smtp

Question 53. 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

Discuss Question

Answer: Option C. -> show ip interface

Question 54. . 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

Discuss Question

Answer: Option B. -> access-list 10 deny 172.16.144.0 0.0.7.255

Question 55. . You want to create a standard access list that denies the subnet of the following host: 172.16.198.94/19. Which of the following would you start your list with?

access-list 10 deny 172.16.192.0 0.0.31.255
access-list 10 deny 172.16.0.0 0.0.255.255
access-list 10 deny 172.16.172.0 0.0.31.255
access-list 10 deny 172.16.188.0 0.0.15.255

Discuss Question

Answer: Option A. -> access-list 10 deny 172.16.192.0 0.0.31.255

Question 56. . Which router command allows you to view the entire contents of all access lists?

Router# show interface
Router> show ip interface
Router# show access-lists
Router> show all access-lists

Discuss Question

Answer: Option C. -> Router# show access-lists

Question 57. . If you wanted to deny all Telnet connections to only network 192.168.10.0, which command could you use?

access-list 100 deny tcp 192.168.10.0 255.255.255.0 eq telnet
access-list 100 deny tcp 192.168.10.0 0.255.255.255 eq telnet
access-list 100 deny tcp any 192.168.10.0 0.0.0.255 eq 23
access-list 100 deny 192.168.10.0 0.0.0.255 any eq 23

Discuss Question

Answer: Option C. -> access-list 100 deny tcp any 192.168.10.0 0.0.0.255 eq 23

Question 58. . You configure the following access list:
access-list 110 deny tcp 10.1.1.128 0.0.0.63 any eq smtp
access-list 110 deny tcp any eq 23
int ethernet 0
ip access-group 110 out
What will the result of this access list be?

Email and Telnet will be allowed out E0.
Email and Telnet will be allowed in E0.
Everything but email and Telnet will be allowed out E0.
No IP traffic will be allowed out E0.

Discuss Question

Answer: Option D. -> No IP traffic will be allowed out E0.

Question 59. 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?