Security for Mobile and Wireless Systems Pre-Test Questions
Course Introduction
This course provides a comprehensive examination of security issues and solutions associated with mobile and wireless systems. Topics include the fundamentals of wireless communication technologies, security threats unique to mobile devices and wireless environments, cryptographic protocols for authentication and data protection, and secure communication frameworks. The course also addresses vulnerabilities in cellular networks, Wi-Fi, Bluetooth, mobile applications, and emerging wireless standards such as IoT. Students will explore both theoretical principles and practical countermeasures, analyzing real-world case studies and learning to design secure mobile and wireless architectures.
Recommended Textbook
CWSP Guide to Wireless Security 1st Edition by Mark Ciampa
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12 Chapters
504 Verified Questions
504 Flashcards
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Page 2
Chapter 1: Foundations of Wireless Security
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Sample Questions
Q1) What are the main characteristics of the IEEE 802.11b standard?
Answer: The bandwidth of 2 Mbps for the 802.11 standard introduced in 1997 was not sufficient for most network applications. The IEEE body revisited the 802.11 standard shortly after it was released to determine what changes could be made to increase the speed. In September 1999 a new IEEE 802.11b amendment was added to the standard, which added two higher speeds (5.5 Mbps and 11 Mbps) to the original 802.11 standard (1 Mbps and 2 Mbps). Like the 802.11 standard, 802.11b uses the ISM band. The 802.11b standard can support wireless devices that are up to 115 meters (375 feet) apart. However, devices that are that far apart might not be transmitting at 11 Mbps. Radio waves decrease in power over distance, much like the sound of your voice: a person standing 1 meter away from you might hear you very clearly, whereas a person 60 meters away would have difficulty hearing you. Instead of completely dropping the signal if it falls out of range to transmit at 11 Mbps, the 802.11b standard specifies that the devices should drop their transmission speed to the next lower level (5.5, 2, or 1 Mbps). This allows devices to transmit farther apart but at slower speeds.
Q2) A(n) ____________________ attack occurs when an attacker discovers and exploits a previously unknown flaw.
Answer: zero day
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Chapter 2: Wireless LAN Vulnerabilities
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Sample Questions
Q1) ____ traffic is traffic sent to all users on the network.
A) Unicast
B) Broadcast
C) Singlecast
D) Multicast
Answer: B
Q2) At regular intervals (normally every 100 ms) an AP sends a(n) ____ to announce its presence and to provide the necessary information for other devices that want to join the network.
A) association request frame
B) CRC
C) ICV
D) beacon frame
Answer: D
Q3) WEP2 uses a different authentication system known as ____.
A) RADIUS
B) MS-CHAPS
C) LDAP
D) Kerberos
Answer: D
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Chapter 3: Passive Wireless Discovery
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Sample Questions
Q1) The smallest mobile computing device is a(n) ____________________.
Answer: personal digital assistant (PDA)
personal digital assistant PDA
Q2) ____ antennas send a narrowly focused signal beam.
A) Cyclic directional
B) Omni-directional
C) Semi-directional
D) Highly directional
Answer: D
Q3) ____ relies on tricking and deceiving someone to access a system.
A) Social engineering
B) Wardriving
C) Warchalking
D) Wireless site mapping
Answer: A
Q4) A wired NIC can be set to ____________________, which turns off the filtering mechanism and allows it to capture all the packets it receives.
Answer: promiscuous mode
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Chapter 4: Active Wireless Attacks
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Sample Questions
Q1) In technical terms, ____ describes the points of risk regarding the penetration of a security defense.
A) security vulnerability
B) dictionary attack
C) password guessing
D) IPSec
Q2) ____ is a service that allows devices on a network to discover other devices and determine how to work with them.
A) IPSec
B) SNMP
C) UPnP
D) PnP
Q3) In a ____ attack, each word from a dictionary is encoded in the same way the computer encodes a user's password for protection. Attackers then compare the encoded dictionary words against those in the encoded password file.
A) DoS
B) brute force
C) dictionary
D) rogue AP
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Page 6
Chapter 5: Wireless Security Models
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Sample Questions
Q1) It is recommended that AES encryption and decryption be performed in hardware because of the computationally intensive nature of AES.
A)True
B)False
Q2) What are some of the reasons why turning off SSID beaconing provides a limited degree of security?
Q3) In 802.1x, the ____ is the wireless device that requires secure network access.
A) supplicant
B) authenticator
C) authentication server
D) RADIUS
Q4) When should you use the transitional security model?
Q5) ____ uses dynamic negotiation of authentication and encryption algorithms between access points and wireless devices.
A) RSN
B) WPA
C) WPA2
D) 802.1i
Q6) What are the steps involved in the 802.1x authentication procedure?
Page 7
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Chapter 6: Enterprise Wireless Hardware Security
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Sample Questions
Q1) A ____ is a device that is used to connect two network segments together, even if those segments use different types of physical media, such as wired and wireless connections.
A) bridge
B) router
C) gateway
D) switch
Q2) The IEEE ____ standard is designed to enable WLAN devices to share the 5 GHz spectrum with other devices such as military radar systems.
A) 802.11e
B) 802.11h
C) 802.11i
D) 802.11r
Q3) EDCA provides "relative" QoS but cannot guarantee its service.
A)True
B)False
Q4) A backhaul wireless mesh network provides alternative data paths for the "backside" connection to the Internet (that is, from the routers to the Internet, called the ____________________).
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Chapter 7: Designing a Secure Wireless Network
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Sample Questions
Q1) A ____ is designed to prevent malicious packets from entering the network or computer.
A) firewall
B) switch
C) hub
D) repeater
Q2) ____ are usually created by grouping together computers by Internet protocol (IP) addresses.
A) Segment domains
B) Collision domains
C) Subnets
D) Network segments
Q3) What are some of the features and tools provided by antispyware products?
Q4) ____ IP addresses are designed to be used only on a private internal network and cannot be used on the Internet.
A) Public
B) Routable
C) Routing
D) Private
Q5) The foundation of a firewall is a(n) ____________________.
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Chapter 8: Secure Wireless Authentication
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Sample Questions
Q1) What is authentication for a wired network?
Q2) What are the two types of device authentication supported by the IEEE 802.11 standard?
Q3) ____ allows a RADIUS server to authenticate wireless devices stations by verifying a hash known as MD5 of each user's password.
A) PAP
B) CHAP
C) MS-CHAP
D) EAP-MD5
Q4) ____ uses the unique human characteristics of a person for authentication (something the user is).
A) Digital certificates
B) Passwords
C) Biometrics
D) Password tokens
Q5) The purpose of the ____ handshake is to authenticate the GTK.
A) group key
B) four-way
C) five-way
D) MK
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Chapter 9: Secure Wireless Transmissions
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Sample Questions
Q1) ____ is similar to PGP and runs on Windows, UNIX, and Linux operating systems.
A) SNMPv3
B) SSH
C) IPsec
D) GPG
Q2) How does SSH port forwarding work?
Q3) What are the drawbacks of using public key and private key encryption for transmitting documents?
Q4) ____ is a widely used protocol for establishing connections over a serial line or dial-up connection between two points.
A) PPP
B) SFTP
C) SCP
D) SSH
Q5) A ____ VPN is a user-to-LAN connection used by remote users.
A) site-to-multipoint
B) site-to-site
C) remote-access
D) multipoint-to-multipoint
Q6) Briefly describe how PGP (or GPG) works.
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Chapter 10: Managing the Wireless Network
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Sample Questions
Q1) A(n) ____ integrates several layers of protection to detect and prevent malicious attacks.
A) WLAN concentrator
B) AP concentrator
C) wireless intrusion prevention system (WIPS)
D) RF fingerprinter
Q2) Why was important to monitor a wired network?
Q3) Compare an intrusion system with a firewall.
Q4) The ____________________ governs the privacy of personal health information.
Q5) A(n) ____ system monitors the normal activity of the wireless LAN and "learns" its normal characteristics.
A) signature detection
B) anomaly detection
C) known attacks detection
D) pattern detection
Q6) A(n) ____ probe uses dedicated probes for scanning the RF for attacks.
A) integrated
B) embedded
C) internal
D) overlay
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Chapter 11: Wireless Security Policy
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Sample Questions
Q1) A(n) ____ policy should clearly address how passwords are managed.
A) password management
B) VPN
C) acceptable use
D) WLAN use
Q2) Identifying assets is a fairly simple and quick process.
A)True
B)False
Q3) The ALE is calculated by multiplying the SLE by the ____________________.
Q4) A(n) ____ outlines the actions to be performed when a security breach occurs.
A) risk identification
B) threat modeling
C) risk management
D) incident response
Q5) A(n) ____ provides a visual image of the attacks that may occur against an asset.
A) asset tree
B) attack tree
C) asset modeling
D) asset identification
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Chapter 12: Operational Support and Wireless Convergence
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Sample Questions
Q1) How does WPA Enterprise and WPA2 Enterprise models port-based authentication work?
Q2) Monitoring tools for wired networks always provide the full array of features necessary for monitoring WLANs.
A)True
B)False
Q3) Known as ____________________, it is the mechanism for limiting access to resources based on the users' identity and their membership in various groups.
Q4) At the heart of any secure WLAN is ____.
A) traffic filtering
B) protocol monitoring
C) education and training
D) strong encryption
Q5) The primary difference between 2G and 2.5G networks is that 2.5G networks are
A) circuit-switched
B) packet-switched
C) channel-switched
D) path-switched
Page 14
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