WorksheetsChapter 5.4
Total questions: 53
Worksheet time: 1hrs 1mins
Which Protocol uses CSMA/CA
HTTP
Wi-Fi
TCP
IP
Ethernet
Which of these protocols is most secure?
WEP
WAP
WPA
WPA2
A client makes requests to the server for data and connections. A server controls access and security to one shared file store. A server manages access to the internet, shared printers and email services. A server runs a backup of data.
Stand alone
Peer-to-Peer Network
LAN
Client-Server Network
All computers are equal. Computers
serve their own files to each other. Each computer is responsible for its own
security and backup. Computers usually have their own printer.
Stand Alone
Peer-to-Peer Network
LAN
Client-Server Network
A networking hardware device that allows a Wi-Fi device to connect to a wired network.
Router / Switch
WAP (Wireless Access Point)
NIC (Network Interface Controller)
Transmission Media
The physical media over which data
is transmitted, e.g. twisted copper cable, fibre optic etc.
Router / Switch
WAP (Wireless Access Point)
NIC (Network Interface Controller)
Transmission Media
Which transmission media is capable of having a much bigger bandwidth?
Coaxial
Twisted pair cable
Plastic
Fibre optic
What does SSID stand for?
Service Set Identifier
System Signal Identifier
Single Source Interrogative Device
Signal Station Intercept Device
WEP stands for
Wired Equivalent Privacy
Wireless Encryption Protocol
Wireless Extension Privacy
Wired Encryption Protocol
Which network is used to pair peripheral devices over a short range?
Local Area Network (LAN)
Wide Area Network (WAN)
Wireless Personal Area Network (WPAN)
A LAN that uses wireless transmissions rather than wires to communicate between the nodes.
WPAN
WLAN
WMAN
WWAN
A LAN that uses wireless transmissions rather than wires and coverage is offered on a nationwide level with wireless network infrastructure provided by a wireless service carrier.
WPAN
WLAN
WMAN
WWAN
A network for interconnecting devices close to an individual person's workspace in which the connections are wireless.
WPAN
WLAN
WMAN
WWAN
A wireless communication network that covers a metropolitan area.
WPAN
WLAN
WMAN
WWAN
A device designed to efficiently radiate and receive electromagnetic waves and converts electrical impulses into radio waves and vice versa.
Access point
Wireless router
Antenna
Mobile station
The following are antenna functions EXCEPT
transmits or receives the radio waves
radiates the energy efficiently
attenuates the resonances
converts analog signal into digital signal and vice versa.
Access point mode functions to extend the range of the wireless network.
Repeater mode
Bridge mode
Multi-point bridge mode
Wireless client mode
Consists of three or more APs forming a dedicated wireless link between separate LAN segments.
Repeater mode
Bridge mode
Multi-point bridge mode
Wireless client mode
Which from the following define a wireless access point combined with an Ethernet hub that connects a group of Wi-Fi enabled devices.
Wireless modem
Wireless range extender
Wireless card
Wireless router
Which from the following connects a video game console to a Wi-Fi home network to enable Internet or head-to-head LAN gaming.
Wireless modem
Wireless game adapter
Wireless card
Wireless router
A wireless print server allows one or two printers to be conveniently shared across a Wi-Fi network. Which of the following is NOT the advantages of a wireless print server?
Allows printers to be conveniently located anywhere within wireless network range and not tied to the location of computers
Does not require a computer be always turned on in order to print
Require a computer to manage all print jobs, that can bog down its performance
Allows administrators to change computer names and other settings without having to re-configure the network printing settings
This device increases the distance over which a WLAN signal can spread, overcoming obstacles and enhancing overall network signal quality.
Wireless modem
Wireless range extender
Wireless card
Wireless router
A wireless Internet video camera allows video (and sometimes audio) data to be captured and transmitted across a Wi-Fi computer network. Which of the following is NOT a feature of a wireless Internet video camera?
Resolution of the captured video images
Motion sensors, and the ability to send email alerts when new activity is detected and captured
Ability to timestamp images
Does not include microphones but have a built in speaker
GSM network system comprises of the following devices EXCEPT
Mobile Station
Base Station Subsystem
Network Subsystem
Cable Subsystem
Wireless network connection are prone to several type of attack. Choose which is NOT related to those attacks.
Denial of service
Dumpster diving
Dictionary attack
Birthday attack
Define rogue access point.
Wi-Fi access point that is installed on a network but is not authorized for operation on that network, and is not under the management of the network administrator.
A high-frequency radio waves or infrared can be used as a carrier to communicate between the computer devices.
Which of the following is NOT a description for MAC sniffing and AP spoofing.
MAC addresses appear in the clear even when WEP is enabled
Attacker use a packet-capturing software to determine a valid MAC address using one packet.
MAC address of the attacker is changed to MAC address of the access point
Attacker set up a rogue access point near the target wireless network
Below are the main risks of using public wifi network EXCEPT
Anyone can access due to public availability
Fill the gap between users on the network and hackers
Use high RF transmission power levels to produce a strong signal that can be trapped by attackers
Low-cost implementation and high spatial capacity in small areas
Choose from the following is the advantage of using WEP.
WEP does not take the problem of managing the keys into consideration
To make WLAN communication trustworthy
As the number of user’s increase, it leads to a problem
The confidential key list provided by the WEP does not enhance the security of network
Choose from the following a WEP Key Cracking Tool.
AirSnort
WEPCrack
AirCrack
WAP0ff
Aircrack consists of the following tools EXCEPT
Airodump
Airdecap
Aireplay
Airestop
Kerberos is a security method that presents verification and security to the messages. How is the authentications of Kerberos works? (Can choose more than 1 answer)
Shared authentication
Reliability management
Retransmission of packets
Using secure transit
Is granted to a user by the TGS in reply to the user sending a TGT.
KDC (Key Distribution Center)
TGT (Ticket-Granting Tickets)
Server Ticket
Referral Ticket
Is given to users initially when they validate with the KDC and is granted by the AS
KDC (Key Distribution Center)
TGT (Ticket-Granting Tickets)
Server Ticket
Referral Ticket
Wi-Fi Protected Access (WPA) provide Wi-Fi users with a high level of assurance that only those who are authorized can access their wireless networks. Which of the following NOT a feature of WPA?
Authentication
Does not support use of WPA and WEP wireless clients simultaneously
uses Temporal Key Integrity Protocol (TKIP)
AES support
This protocol is important standard for information service on wireless device like the mobile phone.
WPA
WAP
WEP
AES
RADIUS is used in authenticating process of... (Can choose more than 1 answer)
LANs connection
WLANs that use security standards defined in 802.1x
Windows Directory service
VPNs in a wireless network
RADIUS configuration comprises of below answers EXCEPT
Distributed security
Distributed independent sites
Central authenticity
Deploying single-site
Certificate Management Through Public Key Infrastructure (PKI) supports below answers EXCEPT...
Security architecture granting user authentication.
Data availability.
Non-repudiation.
Message authentication and integrity.
A security policy can be defined as a plan of action for handling security issues or set of regulations for maintaining certain level of security. Which is NOT a benefit of security policy.
Provides standard for further development
Provides procedures for securing the network
As authentication mechanism to access a network
Supports the security staff of the management
The following are guidelines to ensure wireless network security. Choose all that applies. (Can choose more than 1 answer)
Limit the strength of the wireless network so it cannot be detected outside the bounds of your home
Turn off SSID broadcasting
Use SSID cloaking to keep certain default wireless messages from broadcasting the ID to everyone
Choose WEP instead of Wi-Fi Protected Access (WPA)
The encryption key must be changed often
Choose from the following which is NOT a method of wireless security.
Change the administrator passwords as well as the usernames of wireless network devices such as access points
Upgrade encryption to WEP2 from WEP1
Ensure that the router firewall protection is disabled
Change the default SSID after configuring the LAN
