please put brief explanation as to why it is that answer, not just letters 1. An

Question

please put brief explanation as to why it is that answer, not just letters

1. An address that identifies an application at the transport layer is:

a) ARP
b) IP
c) MAC
d) Port Address

4. The identifier that is formed by setting the host portion of an IPv4 address to all binary ones is known as:

a)Reserved address
b)Subnetwork address
c)Multicast address
d)Broadcast address

a)12.0.0.1/8
b)12.255.255.254/8
c)12.255.255.255/8
d)12.55.55.55/8

9)

a)152.165.115.254/21
b)192.168.118.160/21
c)192.168.111.253/21
d)192.168.117.158/21   

10)

a) 128
b) 256
c) 512
d) 1024

if it's just letters, no points. make me feel confident your right.

please put brief explanation as to why it is that answer, not just letters

1. An address that identifies an application at the transport layer is:

Explanation / Answer

1).

IP (Internet Protocal)

The protocol corresponds to the transport layer of TCP/IP suite. TCP provides a communication service at an intermediate level between an application program and the Internet Protocol (IP). That is, when an application program desires to send a large chunk of data across the Internet using IP, instead of breaking the data into IP-sized pieces and issuing a series of IP requests, the software can issue a single request to TCP and let TCP handle the IP details

So at TCP address that identifies an application at the transport layer is IP

4).Reversed Address

5).

a)12.0.0.1/8

10).maximum number of subnets with 255.255.128.0 is 256 ( 0 to 255 subnets)

SEE THIS LINK FOR MORE DETAILED EXPLANATION: (YOU CAN UNDERSTAND)

http://technet.microsoft.com/en-us/library/dd379547(v=WS.10).aspx

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