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Problem:
(a) Application Layer protocols can be classified as connection-oriented or connectionless-oriented.
i. What do you understand by the term protocol? ii. Give an example of one connection-oriented application layer protocol and one connectionless-oriented application layer. iii. Describe how each above-mentioned protocol work by providing as much information about application messages, port numbers, etc...
(b) Describe essential security services and the mechanisms used to enforce those three services.
(c) Given the following received codeword C and the generator polynomial G. Determine if an error has taken place during transmission.
You should show your work and not reply merely Yes or No.
C: 110011001 G: x3 + 1
What is the concept of gateway of last resort?
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Can you describe RPC (Remote Procedure Calls)?
An industry standard suite of protocols for the use of point-to-point links to transport multiprotocol datagrams.
Name the types of OSPF Configuration? Ans) There are Two Types of OSPF configuration A ) SINGLE AREA b) MULTI AREA
Ethernet Addressing Every station on the network must have a unique physical address Offered by a six-byte physical address encoded on the network interface card (NIC)
Memory Memory Layout BOOTROM This device stores the information of the startup diagnostic code in permanently. It performs diagnostics of hardware wh
Q. What are the trends in Network Security ? Trends in Network Security Improved vigilance for virus infections Continual maturation of firewall technologies
What is SIA or stuck in active
Q. Illustrate Keep alive and Time-Waited Timer? Keep alive timer To prevent a long inactive connection between two TCPs - Either client or server crash
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