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WorksheetsModule 11 CSEC
Total questions: 82
Worksheet time: 41mins
What does GSM stand for in wireless terminologies?
Global System for Mobile communications
General Service for Mobiles
Global Satellite Mobile
General System for Messaging
Which term describes the amount of information that may be broadcast over a connection?
Bandwidth
Frequency
Signal Strength
Latency
What is the MAC address of an AP that has set up a Basic Service Set known as?
BSSID
SSID
MACID
APID
What is an Access Point (AP) used for?
To connect wireless devices to a wireless/wired network
To increase the speed of the internet
To provide security to the network
To store data
What does ISM band refer to?
A set of frequencies for the international industrial, scientific, and medical communities
A type of internet service provider
A wireless security protocol
A mobile operating system
What is a Hotspot in wireless terminologies?
A place where a wireless network is available for public use
A device that boosts signal strength
A type of wireless security
A mobile application for network management
What is the process of connecting a wireless device to an AP called?
Service Set Identifier (SSID)
Association
Orthogonal Frequency-division Multiplexing (OFDM)
Frequency-hopping Spread Spectrum (FHSS)
What does SSID stand for in wireless networking?
Service Set Identifier
Signal Strength Identifier
Secure Set Identifier
System Service Identifier
Which method is used for encoding digital data on multiple carrier frequencies?
Direct-sequence Spread Spectrum (DSSS)
Frequency-hopping Spread Spectrum (FHSS)
Orthogonal Frequency-division Multiplexing (OFDM)
Multiple input, multiple output (MIMO)
What is the purpose of MIMO-OFDM in wireless communications?
To provide a unique identifier for a WLAN
To connect a device to an access point
To serve as an air interface for 4G and 5G broadband communications
To encode data on multiple carrier frequencies
Which technique involves multiplying an original data signal with a pseudo-random noise?
Frequency-hopping Spread Spectrum (FHSS)
Direct-sequence Spread Spectrum (DSSS)
Orthogonal Frequency-division Multiplexing (OFDM)
Service Set Identifier (SSID)
What is the method of transmitting radio signals by rapidly switching a carrier among many frequency channels?
Direct-sequence Spread Spectrum (DSSS)
Orthogonal Frequency-division Multiplexing (OFDM)
Frequency-hopping Spread Spectrum (FHSS)
Multiple input, multiple output (MIMO)
What type of signals do wireless networks use to connect devices?
Infrared signals
Radio frequency (RF) signals
Bluetooth signals
Satellite signals
Which IEEE standard is used by Wi-Fi technology for communication?
802.3
802.11
802.15
802.16
What is one advantage of wireless networks?
Requires extensive wiring
Limited to a single location
Installation is easy and eliminates wiring
Only available in private homes
Where can public places offer a constant internet connection using WLAN?
Only in residential areas
In remote rural areas
In airports, schools, etc.
In underwater facilities
What is the primary method of data transmission in a wireless network?
Fiber optics
Electromagnetic waves
Copper cables
Infrared signals
Which wireless technology uses radio waves or microwaves to connect devices to the Internet?
Bluetooth
RFID
Wi-Fi
WiMAX
What is the main use of Bluetooth technology?
Long-distance communication
Transmitting data over short distances
Automatic identification
High-speed Internet
Which technology uses radio frequency electromagnetic waves for automatic identification?
Wi-Fi
Bluetooth
RFID
WiMAX
WiMAX is associated with which family of wireless networking standards?
IEEE 802.11
IEEE 802.15
IEEE 802.16
IEEE 802.3
Which type of network typically has high bandwidth?
Wired Networks
Wireless Networks
Both Wired and Wireless Networks
Neither Wired nor Wireless Networks
What is a characteristic of wireless networks compared to wired networks?
Low error rates
More secure
High bandwidth variation
Symmetric connectivity
Which network type is more equipment dependent?
Wired Networks
Wireless Networks
Both are equally dependent
Neither is equipment dependent
Which network type is associated with low delay?
Wired Networks
Wireless Networks
Both Wired and Wireless Networks
Neither Wired nor Wireless Networks
What is the main characteristic of an Ad-hoc Standalone Network Architecture (IBSS)?
Devices exchange information without the need of an AP
Devices require an AP for communication
Devices connect through a central server
Devices use a modem to connect to the internet
In an Infrastructure Network Topology (BSS), how are devices connected?
Through an AP
Directly to each other
Using a satellite
Via a Bluetooth connection
Which network topology is typically installed in large organizations?
Infrastructure Network Topology (BSS)
Ad-hoc Standalone Network Architecture (IBSS)
Peer-to-peer Network
Mesh Network
What must be configured for devices in an Ad-hoc Standalone Network Architecture?
Wireless adapter with the same channel name and SSID
IP address and subnet mask
Firewall settings
Bluetooth pairing
Which type of wireless network involves connecting multiple access points to extend coverage?
Extension to a Wired Network
Multiple Access Points
LAN-to-LAN Wireless Network
4G Hotspot
What is the primary function of a 4G Hotspot in wireless networks?
To connect LANs wirelessly
To provide internet access via cellular networks
To extend a wired network
To connect multiple access points
In a LAN-to-LAN Wireless Network, what device is primarily used to connect two LANs?
Access Point
Broadband Router
3G/4G USB
Cell Tower
What does WLAN stand for and what is its primary function?
Wireless Local Area Network; connects users in a local area
Wide Local Area Network; connects users globally
Wireless Long Area Network; connects users in a large city
Wired Local Area Network; connects users in a building
Which type of wireless network interconnects devices around an individual with a very short range?
WLAN
WPAN
WWAN
WMAN
What is the primary characteristic of a WWAN?
Covers a single room
Covers a local area
Covers a particular region, nation, or the entire globe
Covers a small office
Which wireless network type uses an exterior antenna and is a good alternative for a fixed-line network?
WLAN
WPAN
WWAN
WMAN
What is the function of an Access Point (AP) in a wireless network?
It connects multiple LANs at the MAC layer.
It allows wireless devices to connect to a network via standards like Bluetooth and Wi-Fi.
It requires a network interface card to establish a connection.
It receives and transmits network signals without physical cabling.
Which component of a wireless network requires a network interface card (NIC) to establish a standard Ethernet connection?
Wireless Modem
Wireless Bridge
Wireless Cards (NIC)
Access Point (AP)
What is the primary role of a Wireless Modem in a wireless network?
It connects multiple LANs at the MAC layer.
It allows devices to connect via Bluetooth and Wi-Fi.
It receives and transmits network signals without requiring physical cabling.
It requires a network interface card to establish a connection.
How does a Wireless Bridge function in a wireless network?
It allows wireless devices to connect via standards like Bluetooth and Wi-Fi.
It connects multiple LANs at the MAC layer and increases the coverage area.
It requires a network interface card to establish a connection.
It receives and transmits network signals without physical cabling.
What is the primary function of a Wireless Repeater?
Connects different devices to a wireless network
Routes data packets and functions as a wireless AP
Retransmits the existing signal captured from a wireless router or AP
Provides Internet access to various devices
Which component performs the functions of a router and provides Internet access to various devices?
Wireless USB Adapter
Wireless Router
Wireless Repeater
Wireless Gateways
What is the role of Wireless Gateways in a network?
Connects different devices to a wireless network
Retransmits the existing signal
Routes data packets and functions as a wireless AP
Provides Internet access to various devices
Which device allows access to the Internet without a computer, router, or any other network device?
Wireless Repeater
Wireless Router
Wireless Gateways
Wireless USB Adapter
What is the purpose of the 802.11i amendment?
To provide a proprietary version of EAP
To specify security mechanisms for 802.11 wireless networks
To support multiple authentication methods
To replace WEP with WPA
Which encryption algorithm is used for IEEE 802.11 wireless networks?
WPA
TKIA
WEP
LEAP
What does LEAP stand for in the context of wireless encryption?
A security protocol used in WPA
An advanced wireless encryption protocol
A proprietary version of EAP developed by Cisco
An IEEE amendment for security
Which protocol uses TKIP and MIC for stronger encryption and authentication?
WEP
WPA
EAP
LEAP
What is the role of TKIA in wireless encryption?
To specify security mechanisms for 802.11 networks
To provide a proprietary version of EAP
To replace WEP with WPA
To support multiple authentication methods
What is the main purpose of WPA2 in wireless encryption?
To replace AES with TKIP
To use CCMP for stronger encryption and authentication
To encapsulate EAP within a TLS tunnel
To integrate EAP standards with WPA3 encryption
Which protocol is used as a replacement for TKIP in WPA2?
CCMP
PEAP
AES
RADIUS
What does PEAP do in the context of wireless encryption?
Provides a centralized authentication system
Uses GCMP-256 for encryption
Encapsulates EAP within a TLS tunnel
Integrates EAP standards with WPA2 encryption
What is the function of RADIUS in wireless encryption?
To upgrade WPA using AES
To provide a centralized authentication and authorization management system
To use HMAC-SHA-384 for authentication
To replace TKIP with AES
What is a key feature of WPA3?
Uses AES for encryption
Integrates EAP standards with WPA2 encryption
Uses GCMP-256 for encryption and HMAC-SHA-384 for authentication
Encapsulates EAP within a TLS tunnel
What does WEP stand for in the context of network security?
Wireless Encryption Protocol
Wired Equivalent Privacy
Wireless Equivalent Privacy
Wired Encryption Protocol
Which standard defines WEP as a security protocol?
802.11a
802.11b
802.11g
802.11n
What is the purpose of the 24-bit initialization vector (IV) in WEP?
To enhance speed
To form stream cipher RC4 for confidentiality
To increase bandwidth
To improve signal strength
What is a major flaw of WEP?
It is too expensive
It is difficult to implement
It has significant vulnerabilities and can be easily cracked
It requires too much power
What is the main purpose of the Temporal Key Integrity Protocol (TKIP) in WPA encryption?
To provide a faster internet connection
To eliminate the weaknesses of WEP
To increase the range of Wi-Fi signals
To reduce power consumption
Which encryption method does WPA use according to the 802.11i standards?
AES with 256-bit keys
DES with 56-bit keys
RC4 stream cipher with 128-bit keys
RSA with 1024-bit keys
What is the function of the 64-bit MIC in WPA encryption?
To enhance signal strength
To provide message integrity check
To increase data transfer speed
To reduce interference
Which of the following is NOT a feature of WPA's use of TKIP?
Per-packet mixing functions
Message integrity checks
Extended initialization vectors
Increased bandwidth
What is WPA2 an upgrade to?
WPA
WEP
SSL
TLS
What encryption mode does WPA2 use?
AES-based encryption
DES-based encryption
RSA-based encryption
Blowfish-based encryption
What is the key length used in WPA2-Personal PSK mode?
128-bit
64-bit
256-bit
512-bit
Which protocol is included in WPA2 for message authentication?
CCMP
MD5
SHA-1
HMAC
What does WPA2-Enterprise use for centralized client authentication?
EAP or RADIUS
SSL or TLS
SSH or Telnet
LDAP or Kerberos
What is the main purpose of WPA3-Personal?
To provide authenticated encryption using GCMP-256
To deliver password-based authentication using the SAE protocol
To use HMAC-SHA-384 for cryptographic keys
To use ECDSA-384 for exchanging keys
Which encryption algorithm does WPA3 use?
AES-GCMP 256
RSA-2048
DES-56
Blowfish-128
What is a key feature of WPA3-Enterprise?
It uses the Dragonfly Key Exchange
It is resistant to offline dictionary attacks
It protects sensitive data using many cryptographic algorithms
It uses a simple password-based authentication
Which encryption algorithm is used by WPA2?
RC4
AES-CCMP
AES-GCMP
TKIP
What is the key management method used by WPA?
None
4-way handshake
ECDH and ECDSA
CBC-MAC
Which integrity check mechanism is associated with WPA3?
CRC-32
Michael algorithm and CRC-32
CBC-MAC
BIP-GMAC-256
What is the encryption key length for WPA3?
40/104-bits
128-bits
192-bits
256-bits
Which of the following is an issue associated with WEP?
CRC-32 does not ensure complete cryptographic integrity
Pre-shared key is vulnerable to eavesdropping
Hole96 vulnerability makes WPA2 vulnerable to MITM attacks
KRACK vulnerabilities make WPA2 vulnerable to packet sniffing
What is a common vulnerability in WPA?
Lack of centralized key management
WPA-TKIP is vulnerable to packet spoofing and decryption attacks
IVs are 24 bits and sent in cleartext
KRACK vulnerabilities make WPA2 vulnerable to decryption attacks
Which vulnerability affects WPA2 and allows attackers to discover GTK generated by AP?
Insecure random number generator (RNG)
CRC-32 does not ensure complete cryptographic integrity
Lack of forward secrecy
Vulnerabilities in TKIP allow attackers to guess the IP address
What is a consequence of the Hole96 vulnerability in WPA2?
Vulnerable to known plaintext attacks
Allows attackers to guess the IP address of the subnet
Vulnerable to MITM and DoS attacks
Prone to password cracking attacks
What is required for a wireless device to transmit data with an Access Point (AP) using Open System Authentication?
A matching WEP key
A password
A username
A biometric scan
In the Open System Authentication process, what is the first step a client takes to connect to an Access Point?
Open system authentication request
Probe request
Association request
Probe response
What key is used by both the station and AP to provide authentication in Shared Key Authentication?
WPA key
WEP key
AES key
TKIP key
In Shared Key Authentication, what must be done with the WEP key on both the AP and client?
It should be automatically configured.
It should be enabled and configured manually.
It should be disabled.
It should be encrypted.
