4.6 Network Admin & Security

What is the role of a network administrator?

• To manage network cabling only

• To set up, maintain, and troubleshoot a network

• To provide customer support for software issues

• To design network hardware

Which of the following is NOT a standard feature of a Network Operating System (NOS)?

• Managing shared workstation access to printers

• Enabling access to the file system and enforcing file permissions

• Hosting websites and web applications

• Providing basic security such as a firewall

Which of the following functions is provided by a Network Operating System (NOS)?

• Controlling access to the internet

• Managing employee schedules

• Personal email management

• Mobile device synchronization

Which of the following are common network operating systems mentioned in the text?

• Windows Server, Cisco IOS, UNIX, and Linux

• Android, iOS, Windows 10, and MacOS

• Red Hat, Solaris, Windows XP, and BSD

• Ubuntu, Fedora, Windows 95, and NetWare

What is one of the basic security features of the NOS (Network Operating System)?

• Data compression

• User authentication

• Application installation

• Bandwidth allocation

What does a firewall do in the context of network security?

• Speeds up the network

• Provides backup services

• Prevents unauthorized access

• Monitors the temperature of the network

How does the NOS use logs in terms of security?

• To record the temperature of the network

• To keep track of user preferences

• To record activity on the network such as who logs in at what time

• To log the amount of data being transferred

What is the purpose of encryption in a Network Operating System?

• To compress data to save space

• To encode messages sent over a network

• To increase the speed of data transfer

• To create a user-friendly interface

What is the purpose of antivirus software in networks?

• To manage user permissions

• To detect, prevent, and remove viruses

• To update the network operating system

• To monitor network traffic

Why is it important for network administrators to keep the network operating system (NOS) updated?

• To increase the speed of the network

• To ensure compatibility with new hardware

• To prevent unauthorized access to the network

• To reduce the risk of viruses and threats