Worksheetsnwc 320-340
Total questions: 21
Worksheet time: 12mins
What type of server would use IMAP?
DNS
DHCP
FTP
Telnet
What are three advantages of wireless over wired LAN technology? (Choose three.)
longer transmission distance
ease of installation
ease of expansion
higher level of security
lower on-going costs
What type of device is commonly connected to the Ethernet ports on a home wireless router?
wireless antenna
LAN device
cable modem
DSL modem
Which type of network technology is used for low-speed communication between peripheral devices?
Bluetooth
802.11
Ethernet
channels
What purpose would a home user have for implementing Wi-Fi?
to connect a keyboard to a PC
to hear various radio stations
to connect wireless headphones to a mobile device
to create a wireless network usable by other devices
What is CSMA/CA on a network?
an access method that is used by any technology that has excessive collisions
an access method that is used by wireless technology to avoid collisions
an access method that is used by wired Ethernet technology to avoid collisions
an access method that is used by wireless technology to avoid duplicate SSIDs
A user wants to connect to a wireless network at a shopping center. What wireless network setting tells the user the name of the network?
domain name
SSID
passphrase
hostname
Which two statements characterize wireless network security? (Choose two.)
Wireless guest mode provides open access to a protected LAN.
Using the default IP address on an access point makes hacking easier.
An attacker needs physical access to at least one network device to launch an attack.
Wireless networks offer the same security features as wired networks offer.
With SSID broadcast disabled, an attacker must know the SSID to connect.
What are two types of wired high-speed Internet connections? (Choose two.)
DSL
dial-up
cellular
satellite
cable
What can be used to allow visitor mobile devices to connect to a wireless network and restrict access of those devices to only the Internet?
SSH
guest SSID
authentication
Which type of device provides an Internet connection through the use of a phone jack?
cable modem
DSL modem
satellite modem
Wi-Fi AP
When is a client considered to be "authenticated" when using MAC address filtering to control network access to a wireless network?
when the client gives the access point the correct secret key
when the client sends the MAC address to the access point
when the access point verifies that the MAC address is in the MAC table and sends a confirmation message to the client
when the access point sends the MAC address to the server and receives notification that the MAC address is a valid one
What type of authentication do most access points use by default?
Open
PSK
WEP
EAP
What wireless router configuration would reduce the risk of outsiders accessing or viewing content from your home network?
IP address
encryption
router location
network name
Which term is used for bulk advertising emails flooded to as many end users as possible?
phishing
brute force
spam
adware
What is a characteristic of a computer worm?
Malicious software that copies itself into other executable programs
Tricks users into running the infected software
A set of computer instructions that lies dormant until triggered by a specific event
Exploits vulnerabilities with the intent of propagating itself across a network
How does a phisher typically contact a victim?
telephone
adware
spyware
A network administrator attempted to access the company website and received a "page not found" error. The next day the administrator checked the web server logs and noticed that during the same hour that the site failed to load, there was an unusually large number of requests for the website home page. All of the requests originated from the same IP address. Given this information, what might the network administrator conclude?
It is normal web surfing activity.
It is likely that someone attempted a DoS attack.
The link to the website does not have enough capacity and needs to be increased.
The web server was turned off and was not able to service requests.
Which three attacks exploit vulnerabilities in software? (Choose three.)
viruses
phishing
worms
vishing
Trojan horses
Which type of attack attempts to overwhelm network links and devices with useless data?
virus
spyware
brute force
denial of service
What type of program installs and gathers personal information, including password and account information, from a computer without permission or knowledge of the user?
adware
pop-ups
spyware
pop-unders
