Computer Science Network Questions - What is the Reserved Loopback Address? What
ID: 3748368 • Letter: C
Question
Computer Science Network Questions -
What is the Reserved Loopback Address?
What are the 3 set classes of networks and how many bytes are used in the IP address?
What is the subnet mask of 192.168.1.0?
Name the 5 layers of TCP/IP.
What does the Internet layer of the TCP/IP model do?
Which protocol uses handshaking for reliability: TCP or UDP?
What is Packet Sequencing?
What are the 5 layers of TCP/IP?
What address is reserved as a loopback?
What is the network address for a C class network?
What is a Classless Internet Domain Routing(CIDR)?
What does TCP stand for?
What is the reserved address for loopback?
Which class of IP addresses gives you more addresses to assign to workstations, Class A or C?
An IP address is a unique number made up of how many bits?
What would be the network number for a computer with an IP address of 192.168.1.125?
The broadcast IP address of a network is always the ____ address.
Between UDP and TCP, which has a larger overhead when transferring data?
One common port number is port ___, used for HTTP.
Error checking is not provided by IP. The ___ protocol provides error checking.
The ___ protocol does not provide error checking, but is generally faster than the protocol that does.
The IP address 127.0.0.1 points to the _____
The header of a Hardware Frame contains the source and destination MAC addresses, and the ____
Explanation / Answer
Answe 1: Loopback address range starts from 127.0.0.0 to 127.255.255.255. the main functionality it delivers is when the data is sent from one point to a loop back address it is deliverd by directly to the device's three layer IP implementaion. After this it can be received directly. Whole loop back implemention is managed by OS itself.
Answer-2 Three network classes are Class A, Class B, Class C
Addrees ranges :
Class A: 10.0.0.0 to 10.255.255.255 => 0 bits
128(2^7) networks will be supported by the same.
Class B: 172.16.0.0. to 172.32.255.255 =>10 bits
16384(2^14) networks will be supported.
Class C: 192.168.0.0 to 192.168.255.255 =>110 bits
2097152 (2^21) networks will be supported
Answer 3: Subnet mask of 192.168.1.0 =>255.255.255.0
As this IP address starts with 192, so this belongs to Class C.
Steps are : 1. determine the number of bits needed for subnets
2.Composing the subnet mask, for Class C it will be 11111111.11111111.11111111.00000000
3.Convert the binary part to decimal notaion :
11111111='255' 000000000='0'
Answer 4: FIver layeers of TCP/IP:
(i) 5th - Process and Applications Layer
(ii) 4th -Transport layer
(iii) 3rd-Internet / Network Layer
(iv) 2nd -Data link layer
(v) 1st -Physical Layer
Answer 5- Lopp back address is reserved from : 127.0.0.0 to 127.255.255.255
Answer 6: C class network address starts from :192.168.0.0 to 192.168.255.255
Answer 7:CIDR is basically used to create unique identification of networks and devices. It can be formed by combining it into a Single network by doing the subnetting . As the first 23 bits are same we can use a subnet mask of 255.255.254.0.
Answer 8: TCP stands for Transmission Control Protocol.
Answer 9: Reserved Address: 127.0.0.0 to 127.255.255.255
Answer 10: Class C is having 256 networks . For Class A it is 250000, which is a huge netwok . Class A can be used is major International company.
Answer 11.IP address for IPV4 -32 bits and IPV6 -128 bits
Answer 12:192.168.1.125 => 32
Answer 13: The broadcast IP address of a network is always the "Network" address.
Answer 14: UDP,
Answer 15:Commom port is 80
Answer 16: Error checking is not provided by IP. The 'Internet Control Message(ICMP)' protocol provides error checking.
Answer 17:The 'UDP' protocol does not provide error checking, but is generally faster than the protocol that does.
Answer 18:The IP address 127.0.0.1 points to the 'Loopback Internet Protocol'
Answer 19:The header of a Hardware Frame contains the source and destination MAC addresses, and the _'Checksums'.
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