QOS stands for Quality of service which classifies the connectivity aspects or parameter based on th following characteristics like.
>Jitter
>Throughput
>latency
Q2 . What is a jitter?
SOLUTION
It is the deviation of a signal.
Q3 . What is throughput?
SOLUTION
Throughput is the amount of data that can be transmitted across the network in a given period of time.
Q4 . What is mobile QOS?
SOLUTION
It stands for mobile Quality of service in which the the quality of netowork is judged on parameters like
> network coverage
> call drop rate.
Q5 . what is a DNS system?
SOLUTION
It stands for domain name system.It is used to map the URL like www.abc.com with the desired IP address in the back end.
Q6 . what is the differnce between IP and MAC address?
SOLUTION
IP address is an address assigned to the device once it is connected to a network whereas MAC address is an address present in the NIC of a device.
Q7 . What is a static IP?
SOLUTION
It is an IP that does not change.Most of the devices connected are usually assigned dynamic Ips as they are connected to the network.
Q8 . What is network security?
SOLUTION
In network security various measures are taken to prevent any malicious activities on the network.That involves steps
>password protection
>Firewalls
>Encryption
>Server Certificates.
Q9 . What is DHCP?
SOLUTION
It stands for Dynamic Host configuration protocol.It is a protocol used on IP networks to assign web resources to to connected nodes like IP addresses.
Q10 . What is the TCP IP model?
SOLUTION
TCP stands for transmission control protocol and IP for internet protocol .It is refernce model for networks using IP.It has four layer namely