Cisco Certified Network Associate 0 (ccna)

QUESTION 52
What is a benefit of using private IPv4 addressing?

1. 
   Multiple companies can use the same addresses without conflicts.
   
2. 
   Direct connectivity is provided to internal hosts from outside an enterprise network.
   
3. 
   Communication to the internet is reachable without the use of NAT.
   
4. 
   All external hosts are provided with secure communication to the Internet.
   

Correct Answer: A


QUESTION 53
What is the advantage of separating the control plane from the data plane within an SDN network?

1. 
   decreases overall network complexity
   
2. 
   limits data queries to the control plane
   
3. 
   reduces cost
   
4. 
   offloads the creation of virtual machines to the data plane
   

Correct Answer: A
QUESTION 54
Drag and drop the use cases for device-management technologies from the left onto the corresponding.

A. Cisco DNA Center

-> overlay and underlay configuration
-> routed access deployment
-> VXLAN and LISP configuration

Traditional

-> STP deployment
-> VLAN and HSRP configuration
-> configuration via console


Correct Answer: A


QUESTION 55
Why is a first-hop redundancy protocol implemented?

1. 
   to protect against default gateway failures
   
2. 
   to prevent loops in a network
   
3. 
   to enable multiple switches to operate as a single unit
   
4. 
   to provide load-sharing for a multilink segment
   

Correct Answer: A


QUESTION 56
Which WPA mode uses PSK authentication?

1. 
   Local
   
2. 
   Client
   
3. 
   Enterprise
   
4. 
   Personal