Cisco Certified Network Associate 0 (ccna)

Correct Answer: A


QUESTION 50
What is a zero-day exploit?

1. 
   It is when an attacker inserts malicious code into a SQL server.
   
2. 
   It is when a new network vulnerability is discovered before a fix is available.
   
3. 
   It is when the perpetrator inserts itself in a conversation between two parties and captures or alters data.
   
4. 
   It is when the network is saturated with malicious traffic that overloads resources and bandwidth.
   

Correct Answer: B


QUESTION 51
After a recent security breach and a RADIUS failure, an engineer must secure the console port of each enterprise router with a local username and password. Which configuration must the engineer apply to accomplish this task?

1. 
   aaa new-model
   

aaa authorization exec default local aaa authentication login default radius
username localuser privilege 15 secret plaintextpassword

2. 
   username localuser secret plaintextpassword line con 0
   

login authentication default privilege level 15

3. 
   username localuser secret plaintextpassword line con 0
   

no login local privilege level 15

4. 
   aaa new-model line con 0
   

password plaintextpassword privilege level 15


Correct Answer: A


QUESTION 52
Which command implies the use of SNMPv3?

1. 
   snmp-server community
   
2. 
   snmp-server host
   
3. 
   snmp-server enable traps
   
4. 
   snmp-server user
   

Correct Answer: D


QUESTION 53
Refer to the exhibit.

Clients on the WLAN are required to use 802.11r. What action must be taken to meet the requirement?

1. 
   Enable CCKM under Authentication Key Management
   
2. 
   Under Protected Management Frames, set the PMF option to Required
   
3. 
   Set the Fast Transition option to Enable and enable FT 802.1X under Authentication Key Management
   
4. 
   Set the Fast Transition option and the WPA gtk-randomize State to disable