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Routers that have Flash memory typically have a ore loaded
copy of place IOS software. Which command should you use to
make a backup copy of the software image onto a given
network server?
A. copy flash tftp
B. save copy to tftp
C. write backup tftp
D. write, backup -server-name-
E. copy backup to -server-name-
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Which protocol switch use for filling its mac-table?
Given the following IP address from the Class B address range 172.35.21.12. Your network plan requires no more than 126 hosts on a shored. Which value should you use as the subnet mask? A. 255.255.0.0 B. 255.255.128.0 C. 255.255.126.0 D. 255.255.255.128 E. 255.255.255.252
Give some benefits of LAN switching.
Identify the hardware component used to store buffers, tables, running-configuration etc? A.) NVRAM B.) ROM C.) RAM D.) Flash
A traffic light is an example of what type of mechanism? A.) Collision detection B.) Flow control C.) Sequence numbering D.) Network management
Identify the command to display the hardware platform information? A.) show all B.) show platform C.) display hardware D.) show version
How many LMI types are available on Cisco routers? A.) Four B.) Two C.) Five D.) Three
Identify the purpose of the Trace command? A.) Explorer packet transmitting routing information B.) Test connectivity C.) Determine the path a packet is taking through the network D.) Transmits user data when buffers are full
Can you explain static and dynamic tunnels?
How does cut-through LAN switching work?
What is the formula for metric of ospf?
Write an access list line which will deny node 20.0.2.1 to anywhere on your network using DNS via UDP. Don't worry about the other access list lines.
CCNA 
