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WorksheetsB2BT 14 09Oct2025
Total questions: 20
Worksheet time: 7mins
Which of the following is a key feature of a 4G LTE RAN?
It is always deployed in a non-standalone mode.
It has a simplified, flat architecture with all intelligence in the eNodeB.
It uses CDMA for multiple access.
It uses a centralized architecture with separate BSCs and BTSs.
In a 5G network, what is the purpose of the `E-UTRA-NR Dual Connectivity` (EN-DC) feature?
To connect to a 5G core network without a 4G anchor.
To provide a backup connection using satellite technology.
To allow a user device to connect to both a 4G eNodeB and a 5G gNodeB simultaneously.
To provide a direct connection to the internet from the gNodeB.
What does IBW stand for in wireless communication?
Integrated Bandwidth
Intermediate Bandwidth
Instantaneous Bandwidth
In-Band Width
In Radio Frequency systems, what does “guard band” refer to?
Extra bandwidth added to OBW for safety
Frequency separation between adjacent channels to prevent interference
The difference between IBW and OBW
A modulation technique
A radio supports 100 MHz but is configured for a 20 MHz LTE channel. What is the OBW?
100 MHz
20 MHz
80 MHz
120 MHz
What does ViLTE stand for?
Voice over LTE
Video in LTE
Video over LTE
Virtual LTE Environment
What is a common prerequisite on a device to use ViLTE?
Having a specific brand of phone
Having the operator's dedicated ViLTE application installed
Having HD Voice - VoLTE enabled on the line
Having a 5G data plan
The existing site has RRUS 01 B0 installed in sectors 1 and 2. What band do these radio units support?
1800
850
900
None
For the 3G Sunset, what document does the vendor need to complete to approve the pre-traffic migration design and implementation?
Work Acceptance and Sign-off for Traffic Design
Wireless Access Sunset Technical Design
Wireless Access Shutdown Traffic Design
Wireless Access Shutdown Technical Design
What is the primary purpose of Cell Broadcast in telecommunications?
To send targeted marketing messages to specific users.
To deliver high-bandwidth video content to a cell.
To disseminate messages to all mobile devices in a defined geographical area.
To provide a backup channel for voice calls and data services during network congestion.
Which of the following is a key advantage of Cell Broadcast for public warning systems?
It requires users to download a specific app to receive alerts.
It is not affected by network congestion, as it uses a separate, dedicated channel.
It allows for two-way communication between authorities and citizens.
It can send much longer messages than SMS.
What is the name of the network component that receives emergency alerts from authorities and distributes them to the relevant cell towers?
Cell Broadcast Entity (CBE)
Cell Broadcast Center (CBC)
Base Station Controller (BSC)
Short Message Service Center (SMSC)
In a Passive DAS, how is the signal primarily distributed from the source to the remote antennas?
Using fiber optic cables and remote radio units that convert the signal.
Using coaxial cables, splitters, and couplers.
Using existing Wi-Fi access points.
Using power-over-Ethernet (PoE) cables.
A large international airport needs a solution that can support all major cellular carriers and multiple technologies (2G, 4G, 5G) across its vast terminals. Which system is most appropriate?
A Passive DAS
A Wi-Fi Calling Solution
A Single High-Power Macro Cell
An Active DAS
What is the primary design goal of the Narrow Beam Antenna (NBA) solution in Smart network?
To provide coverage in the elevator and in an enclosed area.
To enhance indoor coverage for the upper floors of a building
To replace all existing cellular macro towers in a city.
To provide basement and underground parking coverage.
What is the default grid size of Discovery?
5x5
20x20
50x50
100x100
What does a "Greenfield" deployment typically refer to in telecommunications?
Upgrading an existing network by adding new software.
Deploying network equipment that is environmentally friendly.
Replacing the cables in an old network with new fiber optics.
Building a completely new network from the ground up where none existed before.
The term "Brownfield" in telecom is analogous to:
Building a new house on an empty plot of land.
Renovating an old house while you are still living in it.
Designing a new car model from a clean sheet.
Planting a new forest in a barren area.
Which Zscaler module that monitors the performance and quality of your Internet connection and business applications.
Zscaler Digital Experience (ZDX)
Zscaler Private Access (ZPA)
Zscaler Internet Access (ZIA)
None of the above
In the gNodeB naming convention, what is the first 3 characters represent?
Equipment Vendor Code
Network Element Code
Municipality Code
Site Code
