Which of the following series of commands will restrict Telnet access to the router?
A. 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
B. 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
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
D. 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
Answer: Option C
Solution (By Examveda Team)
Telnet access to the router is restricted by using either a standard or extended IP access list inbound on the VTY lines of the router. The commandaccess-class is used to apply the access list to the VTY lines. This Question Belongs to Networking >> Security
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