Cisco Certified Network Associate 0 (ccna)

Correct Answer: A


QUESTION 85
An engineer is configuring switch SW1 to act as an NTP server when all upstream NTP server connectivity fails. Which configuration must be used?

1. 
   SW1# config t
   

SW1(config)#ntp server 192.168.1.1 SW1(config)#ntp access-group server accesslist1

2. 
   SW1# config t
   

SW1(config)3 ntp peer 192.168.1.1 SW1(config)#ntp access-group peer accesslist1

3. 
   SW1# config t SW1(config)#ntp backup
   

SW1(config)#ntp server 192.168.1.1

4. 
   SW1# config t SW1(config)#ntp master
   

SW1(config)#ntp server 192.168.1.1


Correct Answer: D


QUESTION 86
Refer to the exhibit.

An OSPF neighbor relationship must be configured using these guidelines:

• 
  R1 is only permitted to establish a neighbor with R2.
  
• 
  R1 will never participate in DR elections.
  
• 
  R1 will use a router-id of 10.1.1.1. Which configuration must be used? Option A OSPF_config_3_OptionA.jpg Option B OSPF_config_3_OptionB.jpg Option C OSPF_config_3_OptionC.jpg Option D OSPF_config_3_OptionD.jpg
  

A.


B.
C.

D.


Correct Answer: B


QUESTION 87
How does authentication differ from authorization?

1. 
   Authentication verifies the identity of a person accessing a network, and authorization determines what resource a user can access
   
2. 
   Authentication is used to determine what resources a user is allowed to access, and authorization is used to track what equipment is allowed access to the network
   
3. 
   Authentication is used to verify a person’s identity, and authorization is used to create syslog messages for logins
   
4. 
   Authentication is used to record what resource a user accesses, and authorization is used to determine what resources a user can access