WGU D315 - Pre-Assessment: Network
and Security – Foundations Questions
and Answers Graded A+
Which protocol is commonly used for secure communication over the internet?
a) FTP
✔✔b) HTTPS
c) SMTP
d) HTTP
What does the acronym "VPN" stand for?
a) Virtual Private Network
✔✔b) Virtual Protected Network
c) Virtual Public Network
d) Variable Privacy Network
What is the purpose of an IDS (Intrusion Detection System)?
a) To block unauthorized access to the network
✔✔b) To monitor network traffic for signs of suspicious activity
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,c) To encrypt sensitive data
d) To manage network traffic and prioritize data
Which layer of the OSI model is responsible for routing data between devices on a network?
a) Application layer
b) Data Link layer
✔✔c) Network layer
d) Transport layer
What is the purpose of network segmentation?
✔✔a) To divide a network into smaller, manageable segments for improved performance and
security
b) To increase the bandwidth of the network
c) To create separate networks for different applications
d) To reduce the number of IP addresses required
Which of the following is a characteristic of a Denial of Service (DoS) attack?
a) It seeks to steal sensitive data from the network
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,✔✔b) It overwhelms a network or system to make it unavailable
c) It modifies data to cause errors in a network
d) It provides unauthorized access to a network
What is the role of encryption in network security?
a) To speed up data transmission across the network
b) To store sensitive data in plain text
✔✔c) To convert data into a secure format that can only be read by authorized users
d) To block incoming malicious traffic
Which protocol is used for secure email communication?
a) SMTP
✔✔b) S/MIME
c) IMAP
d) POP3
What is a common method for securing wireless networks?
✔✔a) Enabling WPA2 encryption
3
, b) Turning off network authentication
c) Allowing open access for all devices
d) Disabling the firewall
What does "phishing" refer to in the context of network security?
✔✔a) Fraudulent attempts to obtain sensitive information by impersonating legitimate entities
b) A type of malware that spreads across networks
c) An attack aimed at damaging hardware
d) A method for blocking unwanted network traffic
Which of the following is an example of multi-factor authentication (MFA)?
a) Using a username and password
✔✔b) Using a password and a one-time code sent to your phone
c) Using a PIN code alone
d) Using a public key to encrypt data
What is a common vulnerability that network administrators must protect against?
a) Too many devices connected to the network
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and Security – Foundations Questions
and Answers Graded A+
Which protocol is commonly used for secure communication over the internet?
a) FTP
✔✔b) HTTPS
c) SMTP
d) HTTP
What does the acronym "VPN" stand for?
a) Virtual Private Network
✔✔b) Virtual Protected Network
c) Virtual Public Network
d) Variable Privacy Network
What is the purpose of an IDS (Intrusion Detection System)?
a) To block unauthorized access to the network
✔✔b) To monitor network traffic for signs of suspicious activity
1
,c) To encrypt sensitive data
d) To manage network traffic and prioritize data
Which layer of the OSI model is responsible for routing data between devices on a network?
a) Application layer
b) Data Link layer
✔✔c) Network layer
d) Transport layer
What is the purpose of network segmentation?
✔✔a) To divide a network into smaller, manageable segments for improved performance and
security
b) To increase the bandwidth of the network
c) To create separate networks for different applications
d) To reduce the number of IP addresses required
Which of the following is a characteristic of a Denial of Service (DoS) attack?
a) It seeks to steal sensitive data from the network
2
,✔✔b) It overwhelms a network or system to make it unavailable
c) It modifies data to cause errors in a network
d) It provides unauthorized access to a network
What is the role of encryption in network security?
a) To speed up data transmission across the network
b) To store sensitive data in plain text
✔✔c) To convert data into a secure format that can only be read by authorized users
d) To block incoming malicious traffic
Which protocol is used for secure email communication?
a) SMTP
✔✔b) S/MIME
c) IMAP
d) POP3
What is a common method for securing wireless networks?
✔✔a) Enabling WPA2 encryption
3
, b) Turning off network authentication
c) Allowing open access for all devices
d) Disabling the firewall
What does "phishing" refer to in the context of network security?
✔✔a) Fraudulent attempts to obtain sensitive information by impersonating legitimate entities
b) A type of malware that spreads across networks
c) An attack aimed at damaging hardware
d) A method for blocking unwanted network traffic
Which of the following is an example of multi-factor authentication (MFA)?
a) Using a username and password
✔✔b) Using a password and a one-time code sent to your phone
c) Using a PIN code alone
d) Using a public key to encrypt data
What is a common vulnerability that network administrators must protect against?
a) Too many devices connected to the network
4
