Try to solve 2 Network Administrator interview questions and Network Engineer interview questions below. Hints can help you find answers to questions you are having trouble with.
1. IP Privacy
Application layer
IP
Network security
Application layer
The application layer (Layer 7) is one of the seven layers of the Open Systems Interconnection model (OSI model). It is closest to the end user, which means both the OSI application layer and the user interact directly with the software application.
IP
The Internet Protocol is the principal communications protocol used by the Internet. IP provides the mechanism for delivering packets from source to host computers based on their IP addresses. As the dominant communication protocol used by the internet, it's important for all developers to have a solid understanding of its features.
Network security
Everyone who works with web should know essential topics of network security to prevent unauthorized access or misuse of network-accessible resources.
Easy
Easy
Select the methods that can be used to hide your public IP address when making calls to a remote server over the internet.
(Select all acceptable answers.)
A Virtual Private Network.
A Proxy Server.
Using the HTTPS protocol.
The Transport Layer Security protocol.
Spoofing the device's MAC address.
2. MX Record
Application layer
DNS
MX Record
Application layer
The application layer (Layer 7) is one of the seven layers of the Open Systems Interconnection model (OSI model). It is closest to the end user, which means both the OSI application layer and the user interact directly with the software application.
DNS
The Domain Name System is a hierarchical decentralized naming system for computers, services, or other network-connected devices. As an important feature of the internet, it's important for all engineers to have a solid understanding of this.
MX Record
A mail exchanger record (MX record) specifies the mail server responsible for accepting email messages on behalf of a domain name. It is a resource record in the Domain Name System (DNS). Network Engineers working with DNS configurations need to have knowledge of DNS records.
Easy
The email service provider has provided only an IP address for the TestDome email server - 192.0.2.0. TestDome owns the domain 'testdome.com'. Fill in the blanks for the correct DNS configuration, so that 'mail.testdome.com' points to the email server.
| Type | Host Name | Points To |
|---|---|---|
| @ | ||
| A |
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