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Worksheets22CA2015 - Mobile Hacking - Surprise Quiz II
Total questions: 98
Worksheet time: 1hrs 14mins
Name
Class
Date
1.
Define the term "handover" in a cellular network.
a)
A process of transferring an active call from one cell to another
b)
A method to reduce interference
c)
A method for encryption
d)
A process of assigning frequencies
2.
Explain why cells in a cellular network are hexagonal in design.
a)
It ensures full coverage with minimal overlap.
b)
It minimizes dropped calls.
c)
It is easier to construct towers.
d)
It improves the speed of communication.
3.
Describe the role of the Base Station Subsystem (BSS) in a cellular network.
a)
Facilitates communication between user equipment and the network
b)
Provides interconnection to external networks
c)
Manages handovers and roaming
d)
Controls subscriber authentication
4.
Use a practical example to describe how cells are divided in urban and rural areas.
a)
Smaller cells in urban areas to accommodate higher traffic
b)
Larger cells in urban areas due to high population density
c)
Smaller cells in rural areas for enhanced coverage
d)
Larger cells in urban areas to minimize infrastructure costs
5.
Distinguish between a macrocell and a femtocell.
a)
A macrocell provides wide coverage, while a femtocell is for small-scale indoor use.
b)
A macrocell covers a smaller area than a femtocell.
c)
A femtocell is used for outdoor coverage, while a macrocell is for indoor use.
d)
Both are identical in functionality but differ in name.
6.
Evaluate the effectiveness of using small cells in densely populated areas.
a)
They enhance capacity and reduce latency.
b)
They cause network congestion.
c)
They increase the cost of the network.
d)
They eliminate the need for base stations.
7.
Define the term used to describe the region covered by a cellular base station.
a)
Cell
b)
Cluster
c)
Frequency Band
d)
Antenna
8.
Recall the primary function of a Mobile Switching Center (MSC) in a cellular network.
a)
Call routing
b)
Signal encryption
c)
Internet connectivity
d)
Power distribution
9.
Classify the different types of cells based on their coverage area.
a)
Macro, Micro, Pico, Femto
b)
Base, Tower, Repeater
c)
Primary, Secondary, Tertiary
d)
Small, Medium, Large
10.
Differentiate between the roles of a base station and the Mobile Switching Center (MSC).
a)
The base station handles radio communication, while the MSC routes calls
b)
Both are responsible for routing calls
c)
The MSC provides internet access, while the base station encrypts calls
d)
Both manage handover processes
11.
Analyze why small cells (e.g., femtocells) are used in indoor environments.
a)
To improve signal strength and capacity in localized areas
b)
To reduce installation costs
c)
To increase bandwidth availability in rural areas
d)
To eliminate the need for base stations
12.
Judge the necessity of implementing load balancing in a cellular network.
a)
To distribute traffic evenly among network resources
b)
To avoid using multiple frequency bands
c)
To minimize the use of femtocells
d)
To increase network downtime
13.
Identify the first generation of cellular networks introduced in the 1980s.
a)
1G
b)
2G
c)
3G
d)
4G
14.
Recognize the primary technology used in 2G networks.
a)
GSM
b)
LTE
c)
CDMA2000
d)
WiMAX
15.
Explain the primary improvement of 3G over 2G.
a)
High-speed internet
b)
Better voice quality
c)
Increased battery life
d)
Larger coverage area
16.
Describe the use of LTE in 4G networks.
a)
It is a standard for data transmission.
b)
It provides access to satellite communication.
c)
It improves call quality.
d)
It allows offline communication.
17.
Apply your knowledge to determine which cellular network is best for IoT devices.
a)
5G
b)
4G
c)
3G
d)
2G
18.
Use the concept of bandwidth to explain why 4G is faster than 3G.
a)
4G has a larger bandwidth allocation.
b)
4G uses analog signals.
c)
4G has fewer connected devices.
d)
4G uses satellite communication.
19.
Assess the security challenges associated with 5G networks compared to previous generations.
a)
5G introduces new vulnerabilities due to its complexity.
b)
5G has fewer security risks.
c)
Security risks remain the same.
d)
5G eliminates all prior risks.
20.
Identify the primary goal of interoperability in cellular networks.
a)
Enabling communication between different networks and devices
b)
Reducing network latency
c)
Increasing data storage capacity
d)
Decreasing power consumption
21.
Recognize the protocol that facilitates interoperability in 4G LTE networks.
a)
VoLTE
b)
SMTP
c)
SIP
d)
HTTP
22.
Recall the standard organization responsible for defining global cellular interoperability.
a)
3GPP
b)
IEEE
c)
ITU
d)
ISO
23.
Explain why interoperability is crucial for users of cellular networks.
a)
It allows seamless communication across carriers and regions.
b)
It ensures users are locked into one carrier.
c)
It increases the price of services.
d)
It limits data exchange between networks.
24.
Classify the challenges to interoperability in cellular networks.
a)
Security issues, network protocol differences, and regulatory barriers
b)
High cost of devices and poor user training
c)
Low adoption rates of smartphones
d)
Lack of device manufacturers
25.
Apply the concept of backward compatibility in cellular networks.
a)
Use a 4G device to connect to a 3G network seamlessly.
b)
Restrict access to older network generations.
c)
Allow only advanced devices to operate on the network.
d)
Prevent users from switching network providers.
26.
Assess the role of 5G in improving interoperability across industries.
a)
5G enhances interoperability by connecting diverse devices and services.
b)
5G isolates cellular services to prevent external communication.
c)
5G reduces interoperability in favor of faster speeds.
d)
5G limits IoT device compatibility.
27.
Predict what happens if a user moves out of 4G coverage during a VoLTE call.
a)
The call seamlessly switches to 3G or 2G.
b)
The call is dropped immediately.
c)
The call quality is maintained but with lower latency.
d)
The call switches to Wi-Fi without interruption.
28.
Differentiate between VoIP and VoLTE technologies for voice calls.
a)
VoIP works over IP networks, while VoLTE works over LTE networks.
b)
VoIP uses traditional cellular frequencies, while VoLTE requires Wi-Fi.
c)
VoIP uses packet switching over IP, while VoLTE uses circuit switching.
d)
VoIP provides better call quality than VoLTE.
29.
Recall the channel used for broadcasting essential network information in GSM.
a)
Broadcast Control Channel (BCCH)
b)
Paging Channel (PCH)
c)
Random Access Channel (RACH)
d)
Traffic Channel (TCH)
30.
Explain why the Paging Channel (PCH) is crucial in a cellular network.
a)
It notifies a mobile station of incoming calls or messages.
b)
It handles call setup processes for outgoing calls.
c)
It maintains encryption during active calls.
d)
It stores user information in the network.
31.
Solve this scenario: If a mobile station does not receive any Paging Channel (PCH) signals, which issue is likely to occur?
a)
The mobile will not be notified of incoming calls.
b)
The mobile will not be able to initiate outgoing calls.
c)
The mobile will lose encryption capability.
d)
The mobile will fail to access the network database.
32.
Recall which type of attack is commonly used to gain unauthorized access to voicemail systems.
a)
Brute force attacks
b)
SQL injection
c)
Phishing
d)
Cross-site scripting
33.
Summarize the role of two-factor authentication in securing voicemail accounts.
a)
It adds an additional layer of security beyond the PIN.
b)
It makes the voicemail account inaccessible.
c)
It removes the need for a password.
d)
It increases the storage capacity of the mailbox.
34.
Implement a method to detect unauthorized access to a voicemail account. Which approach is best?
a)
Monitor login attempts and unusual access patterns.
b)
Periodically change the mailbox password.
c)
Turn off voicemail features completely.
d)
Avoid using voicemail services altogether.
35.
Evaluate the impact of using outdated voicemail systems in terms of security vulnerabilities.
a)
They are more prone to attacks due to unpatched flaws.
b)
They are easier to upgrade.
c)
They provide better compatibility with modern devices.
d)
They require no security measures.
36.
Recall the maximum character limit of a standard SMS.
a)
160
b)
120
c)
140
d)
200
37.
Define the term "MO-SMS" in cellular networks.
a)
Mobile Originating SMS
b)
Message Originator SMS
c)
Mass Originated SMS
d)
Message Optimized SMS
38.
Explain why SMS is considered a "store-and-forward" service.
a)
Messages are stored temporarily and forwarded when the recipient is available.
b)
Messages are transmitted instantly without delay.
c)
Messages are stored permanently on the device.
d)
Messages are sent only in real-time.
39.
Demonstrate how concatenated SMS works for long messages.
a)
Splits long messages into smaller parts, tagged for reassembly.
b)
Sends multiple individual SMSs to the recipient.
c)
Combines long messages into a single SMS without splitting.
d)
Prevents sending messages longer than 160 characters.
40.
Identify the type of attack where unauthorized devices mimic legitimate base stations to intercept user communication.
a)
IMSI Catcher
b)
Denial of Service (DoS)
c)
Man-in-the-Middle Attack
d)
Eavesdropping
41.
Explain how jamming affects cellular networks.
a)
It blocks access by flooding the frequency spectrum.
b)
It decrypts encrypted communications.
c)
It intercepts communication between devices.
d)
It steals user credentials through phishing.
42.
Apply your knowledge to identify the best mitigation technique against IMSI Catcher attacks.
a)
Implement mutual authentication
b)
Use 2G networks only
c)
Turn off encryption
d)
Disable mobile data
43.
Analyze how a rogue base station can lead to data interception.
a)
It impersonates a legitimate base station to intercept data.
b)
It disables encryption algorithms.
c)
It floods the network with malicious traffic.
d)
It jams all frequencies in the area.
44.
Distinguish between jamming and eavesdropping in cellular networks.
a)
Jamming blocks communication, while eavesdropping listens in on communication.
b)
Jamming steals credentials, while eavesdropping disrupts connectivity.
c)
Jamming is passive, while eavesdropping actively interferes.
d)
Jamming involves encryption, while eavesdropping involves decryption.
45.
Identify the term that best describes a mobile device that is used without authorization in a network.
a)
Rogue Device
b)
Managed Device
c)
BYOD Device
d)
Virtual Device
46.
Define what is meant by a "rogue mobile device".
a)
A device that poses security risks by being unauthorized or compromised
b)
A device approved for enterprise use
c)
A device that connects securely
d)
A device that complies with the company's policies
47.
List one common risk associated with rogue mobile devices in an organization.
a)
Unauthorized access to sensitive data
b)
Enhanced productivity
c)
Improved network performance
d)
Easier device management
48.
Explain why rogue devices are considered a security threat in an enterprise network.
a)
They introduce vulnerabilities by bypassing network controls.
b)
They enhance overall security by connecting through secure channels.
c)
They help enforce security policies effectively.
d)
They are managed by IT administrators.
49.
Demonstrate how rogue devices can be prevented from accessing a secure network.
a)
By implementing robust network access control (NAC) systems
b)
By educating employees on device policies
c)
By deploying third-party VPNs
d)
By encrypting all company emails
50.
Distinguish between authorized BYOD devices and rogue mobile devices in terms of access.
a)
Authorized BYOD devices comply with security policies, rogue devices do not.
b)
Authorized BYOD devices are unmanaged, rogue devices are fully managed.
c)
Authorized BYOD devices operate externally, rogue devices operate internally.
d)
Authorized BYOD devices are anonymous, rogue devices are identifiable.
51.
Define the primary purpose of the IP Multimedia Subsystem (IMS).
a)
To provide an architectural framework for delivering IP-based multimedia services
b)
To enable traditional circuit-switched communication
c)
To support only voice communication over IP
d)
To replace the internet backbone
52.
Explain why IMS (IP Multimedia Subsystem) uses SIP (Session Initiation Protocol) as its primary protocol.
a)
SIP supports signaling and control for multimedia sessions.
b)
SIP is designed for email communication.
c)
SIP eliminates the need for codecs.
d)
SIP works only with circuit-switched networks.
53.
Apply the concept of IMS (IP Multimedia Subsystem) in an enterprise setting. Which feature makes IMS suitable for video conferencing services?
a)
Its support for IP-based multimedia services
b)
Its reliance on traditional telephone systems
c)
Its ability to restrict bandwidth usage
d)
Its support for circuit-switched voice calls only
54.
Justify the use of IMS (IP Multimedia Subsystem) over traditional telecommunication networks.
a)
IMS is designed to support multimedia and converged IP-based services.
b)
IMS supports only voice communication.
c)
IMS eliminates the need for any hardware infrastructure.
d)
IMS is dependent on circuit-switched technology.
55.
Select the organization responsible for developing IMS (IP Multimedia Subsystem) standards.
a)
3GPP
b)
ITU
c)
IETF
d)
IEEE
56.
Explain why IMS (IP Multimedia Subsystem) uses Session Initiation Protocol (SIP).
a)
To facilitate session control for multimedia communication
b)
To provide real-time billing
c)
To handle data transmission between servers
d)
To encrypt multimedia content
57.
Identify the primary protocol used in traditional telecom networks for call signaling.
a)
SS7
b)
SIP
c)
RTP
d)
H.323
58.
Recognize the architecture type used by IMS.
a)
Packet-switched
b)
Circuit-switched
c)
Hybrid
d)
Asynchronous
59.
Differentiate between the user experience in traditional telecom and IMS.
a)
IMS supports multimedia features; traditional telecom supports only voice.
b)
IMS is limited to voice services, while traditional telecom includes video.
c)
IMS uses SS7 for signaling, unlike traditional telecom.
d)
IMS offers slower data transmission than traditional telecom.
60.
Summarize a key benefit of IMS over traditional telecom networks.
a)
Unified access for multimedia services
b)
Lower latency for voice calls
c)
Enhanced circuit-switched reliability
d)
Separate infrastructure for each service
61.
Identify the primary purpose of the Secure Enclave in iOS devices:
a)
Protection of sensitive data like encryption keys
b)
Storage of application data
c)
Execution of apps in the background
d)
Enhancing graphical performance
62.
Recognize the term used to describe Apple's mechanism for approving apps for the App Store:
a)
App Review Process
b)
App Signing
c)
Code Obfuscation
d)
App Sandboxing
63.
Explain the role of App Sandboxing in iOS Security Architecture:
a)
Isolates apps to prevent unauthorized access to system resources
b)
Encrypts all user data on the device
c)
Ensures faster app execution
d)
Verifies app signatures at runtime
64.
Summarize the function of Data Protection in iOS:
a)
It encrypts sensitive data based on passcode and hardware keys
b)
It enables apps to run in the background securely
c)
It isolates app processes from each other
d)
It protects apps from malicious downloads
65.
Apply your understanding of iOS security to determine the impact of removing a device's passcode:
a)
Data Protection classes will be disabled
b)
Secure Enclave will remain functional
c)
Apps will stop functioning entirely
d)
App Sandboxing will be removed
66.
Implement your knowledge to explain why Jailbreaking an iOS device is a security risk:
a)
It disables App Sandboxing and Secure Boot mechanisms
b)
It increases app loading speeds
c)
It enhances app performance and compatibility
d)
It allows multiple users on the same device
67.
Analyze how the Secure Boot Chain and Code Signing work together to secure iOS devices:
a)
They both verify the authenticity of system software and apps
b)
They both encrypt user data on the device
c)
They isolate apps from accessing system resources
d)
They block apps with excessive permissions
68.
Evaluate why Apple enforces strict Code Signing requirements for apps:
a)
To prevent unauthorized apps from accessing system resources
b)
To increase app download speeds
c)
To reduce costs for app developers
d)
To make apps compatible with older devices
69.
Assess the effectiveness of Touch ID/Face ID in securing device access compared to a passcode:
a)
It combines convenience with hardware-based encryption for added security
b)
It provides faster access but less security
c)
It eliminates the need for passcodes entirely
d)
It disables Secure Enclave features
70.
Recall the protocol used for secure communication in iOS.
a)
TLS
b)
HTTP
c)
SMTP
d)
FTP
71.
Classify the vulnerability that occurs when an attacker exploits outdated iOS versions.
a)
Jailbreak exploit
b)
Social engineering attack
c)
Zero-day vulnerability
d)
Insecure data storage
72.
Demonstrate how jailbreaking affects iOS device security.
a)
Weakens system-level security controls
b)
Enables app compatibility issues
c)
Improves app performance
d)
Strengthens network connections
73.
Recall the default authentication method used in modern iOS devices.
a)
Touch ID/Face ID
b)
Face Recognition
c)
Password Only
d)
Voice Recognition
74.
Apply knowledge of iOS updates to ensure device security. Which action is recommended?
a)
Regularly updating to the latest iOS version
b)
Ignoring updates to avoid disruptions
c)
Only installing major updates
d)
Disabling automatic updates for control
75.
Evaluate the effectiveness of iOS security in preventing malware. What is its key strength?
a)
Frequent updates and App Store scrutiny
b)
Lack of biometric features
c)
Open app distribution policy
d)
User-friendly interface
76.
Identify what "jailbreaking" in iOS primarily refers to:
a)
Removing Apple-imposed software restrictions
b)
Unlocking a phone's SIM card compatibility
c)
Resetting an iOS device to factory settings
d)
Increasing battery life
77.
Differentiate between tethered and untethered jailbreaks:
a)
Tethered jailbreaks require constant connection to a computer; untethered do not.
b)
Untethered jailbreaks are illegal, while tethered are not.
c)
Tethered jailbreaks allow more functionality than untethered ones.
d)
There is no difference between them.
78.
Assess the consequences of jailbreaking on warranty coverage:
a)
The warranty is voided if a device is jailbroken.
b)
The warranty is unaffected by jailbreaking.
c)
The warranty is extended after jailbreaking.
d)
The warranty is only voided for certain hardware issues.
79.
Recall the default communication protocol used by iPhones for data transfer over Wi-Fi.
a)
AirDrop
b)
NFC
c)
FTP
d)
Bluetooth
80.
Define the term "phishing" in the context of iPhone hacking.
a)
Sending deceptive messages to steal credentials
b)
Exploiting system vulnerabilities
c)
Cracking passwords using brute force
d)
Spying through malicious software
81.
Choose the best method to prevent unauthorized access to an iPhone.
a)
Enable Face ID or Touch ID.
b)
Keep the Bluetooth connection always on.
c)
Disable the lock screen.
d)
Use a simple PIN like "1234".
82.
Analyze why outdated iOS versions pose a security risk.
a)
They no longer receive critical security patches.
b)
They reduce device performance.
c)
They make the device incompatible with new apps.
d)
They consume more battery.
83.
Identify the key difference between jailbreaking and rooting.
a)
Jailbreaking applies to iPhones, while rooting applies to Android devices.
b)
Jailbreaking enhances security, while rooting reduces it.
c)
Rooting is reversible, while jailbreaking is not.
d)
Jailbreaking requires a SIM card, while rooting does not.
84.
Evaluate the effectiveness of enabling automatic updates for iOS security.
a)
It reduces the risk of outdated software vulnerabilities.
b)
It prevents app crashes.
c)
It consumes excessive data.
d)
It slows down device performance.
85.
Identify the main component responsible for application sandboxing in the Android Security
a)
Linux Kernel
b)
Android Runtime (ART)
c)
Dalvik Virtual Machine
d)
Intent Filters
86.
Recall the Android feature that allows apps to request specific permissions at runtime.
a)
Runtime Permissions
b)
Permission Grouping
c)
Manifest Permissions
d)
Application Sandboxing
87.
Explain how Android’s sandboxing mechanism protects applications.
a)
By isolating each app’s processes and data from others
b)
By encrypting app data automatically
c)
By preventing apps from using the Internet
d)
By using cloud backups for each app
88.
Apply the Android Security Model to prevent unauthorized access to sensitive data within an app. Which approach is most effective?
a)
Use encrypted shared preferences
b)
Disable SELinux policies
c)
Grant all permissions by default
d)
Store sensitive data in plain text
89.
Analyze how Android’s verified boot process enhances security.
a)
By ensuring that the kernel and system components are not tampered with
b)
By preventing outdated OS versions from running
c)
By blocking apps with dangerous permissions
d)
By encrypting all app data by default
90.
Judge the role of biometric authentication in enhancing Android security.
a)
Crucial for providing an additional layer of user verification
b)
Essential for blocking dangerous permissions
c)
Useful for enforcing runtime permissions
d)
Redundant due to PIN-based authentication
91.
Recall which Android storage option is used for storing structured data.
a)
SQLite Database
b)
Internal Storage
c)
External Storage
d)
Content Provider
92.
Explain why internal storage is preferred for sensitive data in Android.
a)
It's protected by the Android operating system and only accessible by the app itself.
b)
It's easier to access.
c)
It uses less memory.
d)
It is accessible even if the device is rooted.
93.
Analyze the scenario where you would use external storage over internal storage.
a)
When storing large media files accessible by other apps.
b)
When storing sensitive user data.
c)
When storing app-specific data.
d)
When data must be deleted upon app uninstallation.
94.
Identify the issue with storing large files in SQLite.
a)
Large files increase query execution time and database size, reducing performance.
b)
SQLite cannot handle binary data.
c)
SQLite does not support large file storage.
d)
Data security is compromised in SQLite for large files.
95.
Evaluate the security risk of using external storage in Android. What is the primary risk?
a)
Data stored on external storage is accessible to all apps without encryption.
b)
Data is inaccessible without rooting the device.
c)
External storage cannot be backed up.
d)
Data stored in external storage is deleted upon app uninstallation.
96.
Identify the technology Android uses for short-range communication by tapping devices together:
a)
Near Field Communication
b)
Bluetooth
c)
Infrared
d)
Wi-Fi
97.
Analyze the security concern most relevant to NFC communication:
a)
Eavesdropping within the communication range
b)
Data interception over long distances
c)
High energy consumption
d)
Device pairing issues
98.
Classify the different types of Android storage options available.
a)
Internal Storage, External Storage, SQLite, Cloud Storage
b)
SharedPreferences, SQLite, Firebase, XML
c)
Broadcasts, Activities, Services, Content Providers
d)
RecyclerView, ListView, GridView, TableView
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