Cisco Certified Network Associate 0 (ccna)

Correct Answer: A


QUESTION 20
Refer to the exhibit.

A newly configured PC fails to connect to the internet using TCP port 80 to www.cisco.com. Which setting must be modified for the connection to work?

1. 
   Subnet Mask
   
2. 
   DNS Servers
   
3. 
   Default Gateway
   
4. 
   DHCP Server
   

Correct Answer: A


QUESTION 21
What does a switch do when it receives a frame whose destination MAC address is missing from the MAC address table?

1. 
   It floods the frame unchanged across all remaining ports in the incoming VLAN.
   
2. 
   It appends the table with a static entry for the MAC and shuts down the port.
   
3. 
   It updates the CAM table with the destination MAC address of the frame.
   
4. 
   It changes the checksum of the frame to a value that indicates an invalid frame.
   

Correct Answer: A
QUESTION 22
Which enhancement is implemented in WPA3?

1. 
   applies 802.1x authentication
   
2. 
   uses TKIP
   
3. 
   employs PKI to identify access points
   
4. 
   protects against brute force attacks
   

Correct Answer: D


QUESTION 23
Which type of address is shared by routers in a HSRP implementation and used by hosts on the subnet as their default gateway address?

1. 
   multicast address
   
2. 
   loopback IP address
   
3. 
   virtual IP address
   
4. 
   broadcast address
   

Correct Answer: C


QUESTION 24
What are two reasons a switch experiences frame flooding? (Choose two)

1. 
   A defective patch cable is connected to the switch port
   
2. 
   Topology changes are occurring within spanning-tree
   
3. 
   An aged MAC table entry is causing excessive updates
   
4. 
   Port-security is configured globally
   
5. 
   The forwarding table has overflowed