CCNA Post Test-Cisco

Which statement about ACLs is true?

• • An ACL must have at least one permit action, or else it blocks all traffic.

• • ACLs process statements from the bottom up looking for a match.

• • An ACL has an implicit permit at the end.

• • ACLs will check the packet against all entries looking for the best match.

Which command generates RSA keys for user authentication, used when connecting via SSH?

• crypto key generate rsa

• crypto generate key rsa

• crypto rsa generate key

• • crypto generate rsa key

What is the function of a WLAN controller?

• • monitor and control the incoming and outgoing network traffic

• • automatically handle the configuration of wireless access point

• • allow wireless devices to connect to a wired network

• • connect networks and intelligently choose the best paths between networks

2. A router has multiple routes to the same destination network. Which factor does it use first to select the best route?
   

• • a) Lowest administrative distance
    

• • b) Longest prefix match (most specific route)
    

• • c) Lowest metric
    

• • d) Default route

How does the Privileged EXEC Mode restrict the access to the configuration CLI commands?

• • The Privileged EXEC Mode provides access security by adding an additional password when trying to reach the configuration modes.

• • By default, the Privileged EXEC Mode asks users to enter passwords for entering the Global Configuration Mode.

• • Access to the Privileged EXEC Mode can be password protected to allow only authorized users to execute the privileged set of commands

• • Commands entered in the Privileged EXEC Mode intentionally show false device information for unauthorized users.

You’re using the ip route command to create a static route.   At the point in the command shown here, what two options do you have?

R3(config)#ip route 2.2.2.0 255.255.255.0

• The next-hop router’s IP address.

• • next-hop MAC address

• • local router exit interface’s IP address

• • router exit interface’s name

Which statement correctly describes NAT?

• 
  

• • NAT is only performed for outbound traffic—traffic leaving an enterprise network to the internet.

• • NAT is performed between differently addressed enterprise network segments, when network segments use private addressing.

• • NAT is performed for outbound and inbound traffic.

  • network devices

• • NAT is only performed in home networks. Enterprise networks have dedicated public IPv4 addresses.

Which information will the switch read from the frame header and compare it to the list of addresses in the MAC table in order to forward a frame?

• • destination MAC address

• • source MAC address

• • destination IP address

• • source IP address

Which command displays the MAC address table

• • show mac-address table

• • show running-config

• • show ip interface

• • show ip interface brief

Which type of physical medium is no longer used for Ethernet?

• • coaxial

• • twisted pair copper

• • all three listed options are still used

• • fiber optic