1. In your own words , define the term gateway. 2. I n your own words , describe
ID: 3889407 • Letter: 1
Question
1.In your own words, define the term gateway.
2.In your own words, describe the Transport Control Protocol (TCP) and one application of this protocol.
3.In your own words, describe each of the four layers of the TCP/IP model.
4.List the four parameters used to rate limit for traffic a bandwidth profile service attribute.
5.In your own words, describe the following types of resource records: MX, SRV, and NS.
6. What is the difference between a Metro Ethernet and Carrier Ethernet?
7. List the major components of a peer-to-peer and client/server network.
8. List and describe two methods (attacks) that can be used for password cracking.
9. In your own words, describe the difference between point of presence and line of demarcation.
Explanation / Answer
Gateway:
Gateway is nothing but a network node wich connects two networks by using different protocols.
2.In your own words, describe the Transport Control Protocol (TCP) and one application of this protocol.
Transmission Control Protocol (TCP) is a type of Internet protocol.Originated in network implementation and complemented the Internet Protocol (IP).Entire suite is called as TCP/IP.
Applications:
Tunneling/VPN
Media streaming
3.In your own words, describe each of the four layers of the TCP/IP model.
Internet Layer
This is responsible for addressing, packaging of functions. Core protocols re IP, ARP and ICMP
Transport Layer
Transport layer is responsible for providing datagram communication services. The core protocols are TCP and UDP.
Application Layer
Tis layer contains applications which are having the ability to access the services of the other layers. There are so many Applications are developing.
Network Access Layer
This layer is the low level of the TCP/IP stack and functions are carried out from here which includes encapsulation of IP packets into frames.
5.In your own words, describe the following types of resource records: MX, SRV, and NS.
MX (Mail eXchanger): These records identifies mail server and it is responsible for handling e-mails for perticular domain name.
SRV: These records are used for location service. Recently used in connection with directory servers like LDAP .
Name Server records:These states the authoritative servers for the given domain.
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