Questions and answers for exam Preparation

MCQs

Total Questions : 69 | Page 7 of 7 pages

Question 61. . 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

1 and 4
2 and 4
1, 4 and 6
3 and 5

Discuss Question

Answer: Option B. -> 2 and 4

Question 62. . 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 ftp access-list 111 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
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 ftp access-list 198 permit ip any 0.0.0.0 255.255.255.255

Discuss Question

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

Question 63. . Which of the following series of commands will restrict Telnet access to the router?

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

Discuss Question

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

Question 64. . Which of the following commands connect access list 110 inbound to interface ethernet0?

Router(config)# ip access-group 110 in
Router(config)# ip access-list 110 in
Router(config-if)# ip access-group 110 in
Router(config-if)# ip access-list 110 in

Discuss Question

Answer: Option C. -> Router(config-if)# ip access-group 110 in

Question 65. . Which of the following access lists will allow only HTTP traffic into network 196.15.7.0?

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

Discuss Question

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

Question 66. . 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

1 and 4
2 and 4
1, 4 and 6
3 and 5

Discuss Question

Answer: Option B. -> 2 and 4

Question 67. . 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 ftp access-list 111 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
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 ftp access-list 198 permit ip any 0.0.0.0 255.255.255.255

Discuss Question

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

Question 68. . Which of the following series of commands will restrict Telnet access to the router?

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

Discuss Question

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

Question 69. . Which of the following commands connect access list 110 inbound to interface ethernet0?