What is the difference between arp and rarp?
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What is the difference between OSPF Exteral Type 1 (O E1) & External Type 2 (O E2) routes????
A server is running HTTP, SMTP and DHCP. Which of the following best explains how the server is able to handle all three services over the same connection? The server has separate buffer areas for each application and forwards all data to each service. If the data does not apply to that application, it is discarded. The server processes each packet one at a time and forwards the data to the application that indicates that it is waiting for a transmission to arrive. The data is discarded if it does not apply to that application. The server uses the destination port number in the TCP/UDP header to identify the service. The data is forwarded to the service identified by the port number. The server uses separate three-way handshake connections to control the flow of the data and relates the service to the proper connection. This relationship allows the server to pass the data to the proper service.
what is routing and routed protocol ?
Which 2 commands shows the Cisco IOS filename? A.) show IOS B.) show ver C.) show flash D.) show mem E.) show NVRAM
Which command displays the IP addresses assigned to specific host names? A. show hosts B. show interface C. ping host name D. config host name E. show host mapping F. show host ip address G. trace ip addresses host name H. a partridge in a pear tree
What command do you use to disable domain lookup? A.) no domain-lookup B.) domain no-lookup C.) lookup no-domain D.) no ip domain-lookup
What is VLSM? how to Calculate VLSM? where it is use and why?
What is the routing metric used by RIP? A.) Route poisoning B.) Split horizon C.) Hop Count D.) TTL
What is the difference between the switch, hub, and router?
What are characteristics of UDP A. It is reliable and acknowledged B. It is unreliable and acknowledged C. It is reliable and unacknowledged D. It is unreliable and unacknowledged
What are the two types of access lists that can be configured on a Cisco router? A. Standard B. Extended C. Filtering D. Packet
Name the different types of networks
CCNA 
