Related CCNA Questions $ Answers

What is the purpose of the Data Link layer?

The job of the Data Link layer is to ensure that messages are sent to the right device. An­other function of this layer is framing.




What is a Window in networking terms?
A Window refers to the number of segments that are allowed to be sent from source to destination before an acknowledgment is sent back.
What is the range of Class A?
1.0.0.0 to 126.255.255.255
How many hosts are there in Class A?
There are total 127 million hosts in Class A in 127 networks
To which class the given IP belongs to – “224.0.0.10”?
This is a multicast address. It is a Class D address.
Can you use two different subnet IP’s on a WAN link?
Yes.
hat does ARP do in a network?
The purpose of ARP is to track MAC address from IP address.
What is the range of the Class C?
192.0.0.0 to 223.255.255.255
How many hosts can be there in Class C?
Class C can support 254 hosts per network and total networks which can be used are approx­imately 2 million.
What does PING stands for?
Ping stands for Packet Internet Groper.
What is the size of a Cisco ping packet?
The default size of a Cisco ping packet is 100 bytes.
What is an IP packet?
It contains source information, destination information, protocol number. It also contains numeric identification number.
How can you explain a network subnet?
A network subnet is a small network derived from a big network.
What is the 2nd layer of OSI model?
Data link layer is the second layer of OSI model.
How can you explain a network subnet?
A network subnet is a small network derived from a big network.



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