How to answers with explanations below questions based on network & data communication knowledge? 1. Persistent HTTP means : a. multiple objects can be sent over single UDP connection between client and server b. multiple object can be sent over multiple TCP connection between client and server c. multiple object can be sent over single TCP connection between client and server d. single object can be sent over single TCP connection between client and server 2. How does HTTP overcome its inherent stateless condition? a. use cookie b. use non-persistent HTTP c. the statement in the question is wrong d. use persistent HTTP 3. The process of converting analog signal into digital signals so they can be processed by receiving computer is referred to as: a. synchronizing b. demodulation c. modulation d. digitising 4. Using NAT local netwerk can just use one IP address as far as outside world is concerned. What are the other uses of having NAT? a. it can change addresses of devices in local network without notifying outside world and change ISP without changing addresses of devices in local network. b. its range of addresses is not needed from ISP,  just one IP address for all devices. c. with NAT devices inside local net not explicity addressable, visible by outside worl (a security plus) d. all other three answers are correct. 5. virtual circuit in the network layer consists of? a. link layer b. network layer c. none of the other answers d. transport layer e. physical layer 6. what is the broadcast address of the network 172.16.104.0.255.255.254.0? a. 172.17.106.255 b. 172.16.104.255 c. 172.16.105.255 d. 172.16.101.1 7. network differs to the transport layer in their connection service? a. network works between multiple hosts while transport works between two processes. b. network works between two host (may also involve intervening routers in case of VCs) while transport works between two processes c. network works between two switches (may not involve intervening routers in case of VCs) while transport works between two processes. d. network works between two nodes (may not involve intervening routers in case of VCs) while transport works between two hosts.

How to answers with explanations below questions based on network & data communication knowledge?

1. Persistent HTTP means :
a. multiple objects can be sent over single UDP connection between client and server
b. multiple object can be sent over multiple TCP connection between client and server
c. multiple object can be sent over single TCP connection between client and server
d. single object can be sent over single TCP connection between client and server

2. How does HTTP overcome its inherent stateless condition?
a. use cookie
b. use non-persistent HTTP
c. the statement in the question is wrong
d. use persistent HTTP

3. The process of converting analog signal into digital signals so they can be processed by receiving computer is referred to as:
a. synchronizing
b. demodulation
c. modulation
d. digitising

4. Using NAT local netwerk can just use one IP address as far as outside world is concerned. What are the other uses of having NAT?
a. it can change addresses of devices in local network without notifying outside world and change ISP without changing addresses of devices in local network.
b. its range of addresses is not needed from ISP,  just one IP address for all devices.
c. with NAT devices inside local net not explicity addressable, visible by outside worl (a security plus)
d. all other three answers are correct.

5. virtual circuit in the network layer consists of?
a. link layer
b. network layer
c. none of the other answers
d. transport layer
e. physical layer

6. what is the broadcast address of the network 172.16.104.0.255.255.254.0?
a. 172.17.106.255
b. 172.16.104.255
c. 172.16.105.255
d. 172.16.101.1

7. network differs to the transport layer in their connection service?
a. network works between multiple hosts while transport works between two processes.
b. network works between two host (may also involve intervening routers in case of VCs) while transport works between two processes
c. network works between two switches (may not involve intervening routers in case of VCs) while transport works between two processes.
d. network works between two nodes (may not involve intervening routers in case of VCs) while transport works between two hosts.