A company needs to back up its web server regularly. Which backup strategy ensures that only files changed since the last backup are copied?

Which OSI layer is responsible for data encryption and compression?

A technician is setting up an email server and needs to allow it to send emails to external domains. Which port should they open on the firewall?

A network administrator needs to ensure that a server maintains accurate time synchronization. What protocol should they use?

A technician is troubleshooting slow performance on a network file server. What tool can they use to check active network connections and resource usage?

Which type of record in a DNS server maps a domain name to an IP address?

A company is experiencing frequent brute-force attacks on their remote access servers. What solution should they implement?

A technician is setting up a file server that should be accessible only by specific users on the network. What should they configure?

A user complains that they cannot resolve website addresses to IP addresses. Which type of server should the technician check?

Which OSI model layer is responsible for logical addressing and routing packets between networks?

A technician is configuring a DHCP server and needs to ensure specific devices always receive the same IP address. What should they configure?

A user reports intermittent connectivity issues when connecting to a remote server. The technician wants to verify network latency and packet loss. Which command should they use?

A technician is troubleshooting an issue where devices on the same subnet cannot communicate. They verify the IP configuration is correct. What should they check next?

Which layer of the OSI model is responsible for establishing, maintaining, and terminating connections between devices?

A network administrator needs to block access to a specific website for all users. Which type of server should they configure?

A web server is running slowly, and the administrator notices high CPU and memory usage. What is the most likely cause?

A technician suspects an issue with a switch operating at Layer 2 of the OSI model. Which troubleshooting step should they take?

A user reports that they are unable to access a network drive. The technician confirms the drive is mapped correctly, and other users can access it. What is the most likely issue?

A network technician is troubleshooting a connection issue between two devices. They suspect the issue is at Layer 1 of the OSI model. What should they check first?

A technician needs to configure a Windows server to provide IP addresses to clients dynamically. Which role should they install?