1- Describe how secret key and public key cryptosystems work. 2- Distinguish bet

ID: 3575442 • Letter: 1

Question

1- Describe how secret key and public key cryptosystems work.

2- Distinguish between physical and logical address.

3- Distinguish between flat memory model and segmented memory model

4- Describe the process of translating a logical segment address into a physical address.

5- Describe the process of translating a virtual address (in pagination) into physical address.

6- What is an IP address?

7- Explain how the DNS maps a domain name to an IP address

8- What is a protocol? Identify at least three application protocols

9- Describe the process of loading a web page

10- Explain what is the difference between a client and a server

Logical address: made by the CPU; also, mentioned to as virtual address

Physical address: address realized by the memory unit

Logical and physical addresses are the similar in compile-time and load-time address-binding arrangements.

One process can’t access other process’s physical address space.

IP (Internet Protocol):

Each host on a TCP/IP network is exceptionally identified at the IP layer by an address.

It specifies the location of a host or client on the internet.

IP is also known as Protocol address.

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