WGU D413 – PA EXAM 2025/2026 WITH 100%
ACCURATE ANSWERS
1. If a company fails to document its network policies, what potential issue
might arise?
Improved network performance due to fewer restrictions.
Enhanced user satisfaction with network access.
Increased risk of security breaches due to unclear usage
guidelines.
Easier troubleshooting of network issues.
2. Describe the role of radio waves in wireless networking.
Radio waves are used to transmit data wirelessly by carrying
electromagnetic signals over distances.
Radio waves are utilized for underwater communication only.
Radio waves are primarily used for heating food in microwaves.
Radio waves are only effective in short-range communication.
3. Why is it important for new network users to receive training on security
and company policy?
It allows users to create their own security measures without
guidance.
It ensures that users understand the protocols necessary to
protect sensitive data and comply with organizational
standards.
It is only necessary for users who work with sensitive information.
, It focuses solely on technical skills without addressing security.
4. The number of cycles a signal completed in a given time period is
, defined as _______ _.
Bandwidth
Impudence
Amplitude
Frequency
5. What is the term for the multiplexing technique that allocates time slots
based on the variable rate of data generation?
Code-division multiplexing
Dense wavelength-division multiplexing
Synchronous time-division multiplexing
Asynchronous time-division multiplexing
6. Describe how time-division multiplexing facilitates communication
between devices.
Time-division multiplexing allows multiple digital signals to
share the same communication channel by dividing the time
into slots for each signal.
Time-division multiplexing is a method that only allows one signal
to be transmitted at a time.
Time-division multiplexing uses varying amplitudes to encode
multiple signals on one channel.
Time-division multiplexing combines different frequencies to
transmit signals simultaneously.
7. Which wireless security feature hides the contents of network packets to
ensure data can be transmitted over a wireless network safely?
Authentication
, Intrusion detection system
Encryption key
Application gateway
8. Before adding network capacity to a remote access hub, what specific
type of measurement should a network engineer prioritize?
Intranet system log analysis
Baseline network capacity measurement
Stakeholder requirements collection
Directory service capacity measurement
9. Describe the role of a repeater in a networking context and how it
addresses signal issues.
A repeater connects multiple devices in a network without
amplifying signals.
A repeater serves as a wireless access point for mobile devices.
A repeater amplifies and regenerates signals to extend the
distance over which data can travel in a network.
A repeater splits the network signal into multiple paths for better
distribution.
10. What are some advantages of fiber optic cable over other types of
transmission media?
Greater mobility and flexibility
Easy to install and inexpensive
Faster data transmission, less signal loss and greater
bandwidth
Lower cost and simpler installation
ACCURATE ANSWERS
1. If a company fails to document its network policies, what potential issue
might arise?
Improved network performance due to fewer restrictions.
Enhanced user satisfaction with network access.
Increased risk of security breaches due to unclear usage
guidelines.
Easier troubleshooting of network issues.
2. Describe the role of radio waves in wireless networking.
Radio waves are used to transmit data wirelessly by carrying
electromagnetic signals over distances.
Radio waves are utilized for underwater communication only.
Radio waves are primarily used for heating food in microwaves.
Radio waves are only effective in short-range communication.
3. Why is it important for new network users to receive training on security
and company policy?
It allows users to create their own security measures without
guidance.
It ensures that users understand the protocols necessary to
protect sensitive data and comply with organizational
standards.
It is only necessary for users who work with sensitive information.
, It focuses solely on technical skills without addressing security.
4. The number of cycles a signal completed in a given time period is
, defined as _______ _.
Bandwidth
Impudence
Amplitude
Frequency
5. What is the term for the multiplexing technique that allocates time slots
based on the variable rate of data generation?
Code-division multiplexing
Dense wavelength-division multiplexing
Synchronous time-division multiplexing
Asynchronous time-division multiplexing
6. Describe how time-division multiplexing facilitates communication
between devices.
Time-division multiplexing allows multiple digital signals to
share the same communication channel by dividing the time
into slots for each signal.
Time-division multiplexing is a method that only allows one signal
to be transmitted at a time.
Time-division multiplexing uses varying amplitudes to encode
multiple signals on one channel.
Time-division multiplexing combines different frequencies to
transmit signals simultaneously.
7. Which wireless security feature hides the contents of network packets to
ensure data can be transmitted over a wireless network safely?
Authentication
, Intrusion detection system
Encryption key
Application gateway
8. Before adding network capacity to a remote access hub, what specific
type of measurement should a network engineer prioritize?
Intranet system log analysis
Baseline network capacity measurement
Stakeholder requirements collection
Directory service capacity measurement
9. Describe the role of a repeater in a networking context and how it
addresses signal issues.
A repeater connects multiple devices in a network without
amplifying signals.
A repeater serves as a wireless access point for mobile devices.
A repeater amplifies and regenerates signals to extend the
distance over which data can travel in a network.
A repeater splits the network signal into multiple paths for better
distribution.
10. What are some advantages of fiber optic cable over other types of
transmission media?
Greater mobility and flexibility
Easy to install and inexpensive
Faster data transmission, less signal loss and greater
bandwidth
Lower cost and simpler installation
