Communication and Network Security GISP Practice Questions (Page 10)

Questions 46–50

1. 46foundation · easy

   In network security, which principle ensures that data is not altered or tampered with during transmission?

   • AIntegrity
   • BConfidentiality
   • CAvailability
   • DAuthentication
   Reveal Solution Discussion Select an answer first
2. 47application · medium

   A remote employee needs to securely access internal corporate applications from a public Wi-Fi network. The company wants to ensure that the employee's traffic is encrypted and that the employee's device is authenticated before accessing the internal network. Which solution should be used?

   • AIPsec VPN with pre-shared keys
   • BA web application firewall (WAF) in front of the internal applications
   • CRemote Desktop Protocol (RDP) over the internet
   • DSSL/TLS VPN client that requires a digital certificate on the device
   Reveal Solution Discussion Select an answer first
4. 48application · medium

   A network engineer is troubleshooting a connectivity issue. A client can ping the server's IP address, but the application that uses TCP port 443 fails to connect. The firewall is configured to allow HTTPS traffic. Which OSI layer is most likely causing the problem?

   • AApplication layer, because the application is not responding
   • BPhysical layer, because the cable is disconnected
   • CTransport layer, because the TCP handshake is not completing
   • DData link layer, because the switch is not forwarding frames
   Reveal Solution Discussion Select an answer first
5. 49application · medium

   A network administrator is troubleshooting a connectivity issue where a client can ping a server's IP address but cannot establish a TCP connection to a web service on that server. The firewall logs show that ICMP traffic is allowed, but TCP port 443 is blocked. At which OSI layer is the firewall making the blocking decision?

   • AData link layer (Layer 2)
   • BNetwork layer (Layer 3)
   • CApplication layer (Layer 7)
   • DTransport layer (Layer 4)
   Reveal Solution Discussion Select an answer first
6. 50application · medium

   A company wants to prevent unmanaged personal laptops from accessing the corporate network. The network has both wired and wireless access points. The security team needs a solution that checks the device's compliance (e.g., antivirus and patch level) before granting network access. Which approach should they implement?

   • AImplement a firewall rule that blocks all traffic from unknown IP addresses
   • BDeploy a Network Access Control (NAC) solution that integrates with Active Directory and enforces posture checks on both wired and wireless connections
   • CEnable MAC address filtering on all switches and access points
   • DConfigure the wireless network with WPA2-Personal and distribute the password to all employees
   Reveal Solution Discussion Select an answer first