Network Security
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What does a packet filtering firewall use to make allow/deny decisions?
A
Source and destination IP addresses and ports.
B
User credentials
C
File extensions
D
Application protocols
Slide 72 - Quizvraag
What is the primary purpose of a firewall?
A
To store user data
B
To provide physical security
C
To control incoming and outgoing network traffic.
D
To enhance system performance
Slide 73 - Quizvraag
You are running Skype for Business to connect to an online meeting. While you have no trouble logging on, you are having problems with video as well as desktop sharing. Which of the following is the best course of action for resolving this issue?
A
Examine the DNS records to see if the zone is not configured correctly
B
Examine the firewall the see if it is blocking access to any of the Skype for Business Online websites
C
Check to see if any firewalls are blocking the ports used by audio, video, and desktop sharing
D
Make sure the user has access to the Internet
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In what ways does an operating system enhance network security?
A
Facilitating remote access and virtual private networks
B
Providing secure authentication and authorization mechanisms
C
Balancing network loads and optimizing data storage
D
Securing physical access to network infrastructure
Slide 85 - Quizvraag
How does an operating system contribute to network security?
A
Implementing firewalls and intrusion detection systems
B
Optimizing network bandwidth and regulating data flow
C
Configuring network protocols and managing user accounts
D
Encrypting data transfer and securing wireless networks
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What is the role of an operating system in network security?
A
Monitoring network traffic and analyzing performance
B
Enforcing access control and protecting against malware
C
Processing data and managing network hardware
D
Providing user interfaces and running applications
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What is the primary function of a firewall in a network?
A
Amplifying Wi-Fi signals
B
Transferring files between devices
C
Assigning IP addresses
D
Blocking unauthorized access and malicious traffic
