Minnesota Telecommunications
Systems Technician Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. Which device is primarily used to regenerate and amplify signals in a
telecommunications network?
A. Router
B. Switch
C. Repeater
D. Firewall
A repeater restores weakened signals to their original strength, enabling
communication over longer distances without excessive signal
degradation.
2. What is the primary function of an OSI Layer 3 device?
,A. Physical addressing
B. Error detection
C. Routing packets between networks
D. Data encryption
Layer 3 devices such as routers determine the best path for forwarding
packets between different networks using logical addressing.
3. Which cable type is most resistant to electromagnetic interference?
A. Unshielded twisted pair
B. Shielded twisted pair
C. Twinaxial cable
D. Fiber optic cable
Fiber optic cable uses light instead of electrical signals, making it immune
to electromagnetic interference.
4. What does VoIP stand for?
A. Voice over Internet Process
B. Video over Integrated Protocol
C. Voice over Internet Protocol
D. Virtual over IP
VoIP technology transmits voice communications using IP-based networks
rather than traditional telephone systems.
, 5. Which connector is commonly used with Ethernet twisted-pair
cabling?
A. BNC
B. SC
C. F-Type
D. RJ-45
RJ-45 connectors are standard for Ethernet networking using twisted-pair
cables such as Cat5e and Cat6.
6. Which IEEE standard defines Wi-Fi networks?
A. IEEE 802.3
B. IEEE 1394
C. IEEE 802.11
D. IEEE 802.15
IEEE 802.11 establishes standards for wireless local area networking
technologies commonly known as Wi-Fi.
7. What is the purpose of a patch panel in a telecommunications room?
A. Encrypting network traffic
B. Amplifying radio signals
C. Organizing and managing cable connections
D. Routing internet traffic
, Patch panels provide centralized cable termination and simplify network
maintenance and troubleshooting.
8. Which protocol automatically assigns IP addresses to network
devices?
A. FTP
B. DNS
C. SMTP
D. DHCP
DHCP dynamically allocates IP addresses and network configuration
information to connected devices.
9. What is attenuation in telecommunications?
A. Signal duplication
B. Data compression
C. Frequency modulation
D. Loss of signal strength over distance
Attenuation occurs as signals weaken while traveling through transmission
media due to resistance and interference.
10. Which unit measures data transmission speed?
Systems Technician Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. Which device is primarily used to regenerate and amplify signals in a
telecommunications network?
A. Router
B. Switch
C. Repeater
D. Firewall
A repeater restores weakened signals to their original strength, enabling
communication over longer distances without excessive signal
degradation.
2. What is the primary function of an OSI Layer 3 device?
,A. Physical addressing
B. Error detection
C. Routing packets between networks
D. Data encryption
Layer 3 devices such as routers determine the best path for forwarding
packets between different networks using logical addressing.
3. Which cable type is most resistant to electromagnetic interference?
A. Unshielded twisted pair
B. Shielded twisted pair
C. Twinaxial cable
D. Fiber optic cable
Fiber optic cable uses light instead of electrical signals, making it immune
to electromagnetic interference.
4. What does VoIP stand for?
A. Voice over Internet Process
B. Video over Integrated Protocol
C. Voice over Internet Protocol
D. Virtual over IP
VoIP technology transmits voice communications using IP-based networks
rather than traditional telephone systems.
, 5. Which connector is commonly used with Ethernet twisted-pair
cabling?
A. BNC
B. SC
C. F-Type
D. RJ-45
RJ-45 connectors are standard for Ethernet networking using twisted-pair
cables such as Cat5e and Cat6.
6. Which IEEE standard defines Wi-Fi networks?
A. IEEE 802.3
B. IEEE 1394
C. IEEE 802.11
D. IEEE 802.15
IEEE 802.11 establishes standards for wireless local area networking
technologies commonly known as Wi-Fi.
7. What is the purpose of a patch panel in a telecommunications room?
A. Encrypting network traffic
B. Amplifying radio signals
C. Organizing and managing cable connections
D. Routing internet traffic
, Patch panels provide centralized cable termination and simplify network
maintenance and troubleshooting.
8. Which protocol automatically assigns IP addresses to network
devices?
A. FTP
B. DNS
C. SMTP
D. DHCP
DHCP dynamically allocates IP addresses and network configuration
information to connected devices.
9. What is attenuation in telecommunications?
A. Signal duplication
B. Data compression
C. Frequency modulation
D. Loss of signal strength over distance
Attenuation occurs as signals weaken while traveling through transmission
media due to resistance and interference.
10. Which unit measures data transmission speed?
