Ann is a CSULA student trying to access (https://www.calstatela.edu) from the campus library. Her request must use Domain Name System (DNS) resolution to translate the name (https://www.calstatela.edu) to an IP address. Assume that CSULA DNS name resolution uses iterated queries and her request first goes to the CSULA local DNS server shown in the figure.In the following picture:1. Fill in the blanks to show all the servers in the DNS hierarchy this request must be sent to, starting from and including the root DNS server.2. Draw arrows with sequence numbers showing the steps in the DNS resolution. The first and the last step in DNS resolution are shown in the figure. ### Illustration of Network Communication#### Components:1. **CSULA DNS Server**: Represented by the first server icon on the left.2. **Ann's Laptop**: Depicted by a laptop icon at the bottom.3. **Additional Servers**: Three more server icons are displayed in sequence from left to right.#### Arrows and Numbers:- **Arrow 1**: Connects from Ann's laptop to the CSULA DNS server, indicating a direct communication path. This might be a request for DNS resolution or data exchange.- **Arrow 8**: Points back from the CSULA DNS server to Ann's laptop, suggesting a response or data transfer in the opposite direction.#### Diagram Description:This network diagram illustrates a simplified model of DNS request and response. Ann’s laptop sends a request to the CSULA DNS server, and the server responds back, completing the interaction. The additional servers may represent potential further routing or additional services within the network infrastructure.

DNS - DNS stands for "Domain Name System." It is a hierarchical and distributed system that…

Answered: Ann is a CSULA student trying to access…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Ann is a CSULA student trying to access (https://www.calstatela.edu) from the campus library. Her request must use Domain Name System (DNS) resolution to translate the name (https://www.calstatela.edu) to an IP address. Assume that CSULA DNS name resolution uses iterated queries and her request first goes to the CSULA local DNS server shown in the figure.

In the following picture:

1. Fill in the blanks to show all the servers in the DNS hierarchy this request must be sent to, starting from and including the root DNS server.

2. Draw arrows with sequence numbers showing the steps in the DNS resolution. The first and the last step in DNS resolution are shown in the figure.

### Illustration of Network Communication

#### Components:

1. **CSULA DNS Server**: Represented by the first server icon on the left.
2. **Ann's Laptop**: Depicted by a laptop icon at the bottom.
3. **Additional Servers**: Three more server icons are displayed in sequence from left to right.

#### Arrows and Numbers:

- **Arrow 1**: Connects from Ann's laptop to the CSULA DNS server, indicating a direct communication path. This might be a request for DNS resolution or data exchange.
- **Arrow 8**: Points back from the CSULA DNS server to Ann's laptop, suggesting a response or data transfer in the opposite direction.

#### Diagram Description:

This network diagram illustrates a simplified model of DNS request and response. Ann’s laptop sends a request to the CSULA DNS server, and the server responds back, completing the interaction. The additional servers may represent potential further routing or additional services within the network infrastructure.

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