Questions and answers for exam Preparation

MCQs

Total Questions : 885 | Page 69 of 89 pages

Question 681. 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-if)# ip access-group 110 in
(config-if)# ip access-group Blocksales in
(config)# ip access-group 110 in
(config-if)# blocksales ip access-list in

Discuss Question

Answer: Option B. -> (config-if)# ip access-group Blocksales in

Question 682. You configure the following access list:access-list 110 deny tcp 10.1.1.128 0.0.0.63 any eq smtpaccess-list 110 deny tcp any eq 23int ethernet 0ip access-group 110 outWhat will the result of this access list be?

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

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

Question 683. 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 172.16.188.0 0.0.15.255
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 172.16.192.0 0.0.31.255

Discuss Question

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

Question 684. What router command allows you to determine whether an IP access list is enabled on a particular interface?

show access-lists
show ip interface
show access-lists interface
show ip port

Discuss Question

Answer: Option B. -> show ip interface

Question 685. If you wanted to deny all Telnet connections to only network 192.168.10.0, which command could you use?

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

Discuss Question

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

Question 686. If you wanted to deny FTP access from network 200.200.10.0 to network 200.199.11.0 but allow everything else, which of the following command strings is valid?

access-list 110 deny 200.200.10.0 to network 200.199.11.0 eq ftpaccess-list 111 permit ip any 0.0.0.0 255.255.255.255
access-list 100 deny tcp 200.200.10.0 0.0.0.255 200.199.11.0 0.0.0.255 eq ftp
access-list 198 deny tcp 200.200.10.0 0.0.0.255 200.199.11.0 0.0.0.255 eq ftpaccess-list 198 permit ip any 0.0.0.0 255.255.255.255
access-list 1 deny ftp 200.200.10.0 200.199.11.0 any any

Discuss Question

Answer: Option C. -> access-list 198 deny tcp 200.200.10.0 0.0.0.255 200.199.11.0 0.0.0.255 eq ftpaccess-list 198 permit ip any 0.0.0.0 255.255.255.255

Question 687. Which of the following access lists will allow only HTTP traffic into network 196.15.7.0?

access-list 100 permit 196.15.7.0 0.0.0.255 eq www
access-list 110 permit ip any 196.15.7.0 0.0.0.255
access-list 10 deny tcp any 196.15.7.0 eq www
access-list 100 permit tcp any 196.15.7.0 0.0.0.255 eq www

Discuss Question

Answer: Option D. -> access-list 100 permit tcp any 196.15.7.0 0.0.0.255 eq www

Question 688. Which of the following series of commands will restrict Telnet access to the router?

Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#access-class 10 in
Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#access-class 10 out
Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#ip access-group 10 in
Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line con 0Lab_A(config-line)#ip access-group 10 in

Discuss Question

Answer: Option A. -> Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#access-class 10 in

Question 689. Which of the following are valid ways to refer only to host 172.16.30.55 in an IP access list? 1. 172.16.30.55 0.0.0.255 2. 172.16.30.55 0.0.0.0 3. any 172.16.30.55 4. host 172.16.30.55 5. 0.0.0.0 172.16.30.55 6. ip any 172.16.30.55