Cisco Certified Network Associate 0 (ccna)

Correct Answer: A


QUESTION 8
Refer to the exhibit.

Which two commands must be added to update the configuration of router R1 so that it accepts only encrypted connections? (Choose two)

1. 
   username CNAC secret R!41!4319115@
   
2. 
   crypto key generate rsa 1024
   
3. 
   ip ssh version 2
   
4. 
   line vty 0 4
   
5. 
   transport input ssh
   

Correct Answer: BE


QUESTION 9
Which action is taken by the data plane within a network device?

1. 
   looks up an egress interface in the forwarding information base
   
2. 
   constructs a routing table based on a routing protocol
   
3. 
   provides CLI access to the network device
   
4. 
   forwards traffic to the next hop
   

Correct Answer: D


QUESTION 10
R1 as an NTP server must have:

• 
  NTP authentication enabled
  
• 
  NTP packets sourced from Interface loopback 0
  
• 
  NTP stratum 2
  
• 
  NTP packets only permitted to client IP 209.165.200.225 How should R1 be configured?
  

1. 
   ntp authenticate
   

ntp authentication-key 2 sha1 CISCO123 ntp source Loopback0
ntp access-group server-only 10 ntp master 2
!
access-list 10 permit udp host 209.165.200.225 any eq 123

2. 
   ntp authenticate
   

ntp authentication-key 2 md5 CISCO123 ntp source Loopback0
ntp access-group server-only 10 ntp stratum 2
!
access-list 10 permit udp host 209.165.200.225 any eq 123

3. 
   ntp authenticate
   

ntp authentication-key 2 md5 CISCO123 ntp interface Loopback0
ntp access-group server-only 10
ntp stratum 2
!
access-list 10 permit 209.165.200.225

4. 
   ntp authenticate
   

ntp authentication-key 2 md5 CISCO123 ntp source Loopback0
ntp access-group server-only 10 ntp master 2
!
access-list 10 permit 209.165.200.225