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IT Essentials Chapter 8

This chapter provides an overview of network principles, standards, and purposes. The following types of networks will be discussed in this chapter: Local Area Network (LAN) Wide Area Network (WAN) Wireless LAN (WLAN) The different types of network topologies, protocols, and logical models as well as the hardware needed to create a network will also be discussed in this chapter. Configuration, troubleshooting, and preventive maintenance will be covered. You will also learn about network software…
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The internet is an example of which type of network?
WAN
Which method of data transfer allows information to be sent and received at the same time?
Full Duplex
Which dotted decimal number is used to distinguish the network portion of an IP address from the host portion?
Subnet Mask
Which cable type is a common choice for use on Ethernet networks?
UTP
Which networking protocol translates a network name such as www.cisco.com to a unique IP address?
DNS
A techinician wishes to update the NIC driver for a computer. Which is the best location for finding new drivers for the NIC?
The website for the manufacturer of the NIC
A student is helping a friend with a home computer that can no longer acces the Inernet. Upon investigation, the studen discovers that the computer has been assigned the IP address 169.254.100.88. What could cause a computer to get such and IP address?
A bad network cable
In what two instances would a workgroup network be suitable?(Choose Two.)
1)Home Network
2)Five-Person office
What firewall port number or number combination must be open in order to exchange data using a web browser?
80
Which process is normally performed from a command prompt on a computer?
Pinging a remote network device
Which two types of data communications suffer a reduction in quality if network latency is too high?(Choose Two.)
1)Video
2)Voice
Workers are required to access the company LAN when traveling. Which networking technology can provide secure and encrypted access to the LAN?
VPN
What does VPN stand for?
Virtual Private Network
For which communications technology does Global Packet Radio Service provide a data service?
GSM
What does GPRS stand for?
Global Packet Radio Service
What does GSM stand for?
Global System for Mobile Communications
Which broadband technology would be recommended for a customer who requires short range, less than 30 feet (10 meters), wireless data communications?
Bluetooth
What does ISDN stand for?
Intergrated Services Digital Network
What does ADSL stand for?
Asymmetric Digital Subscriber Line
What does VoIP stand for?
Voice over IP(Voice over internet protocol)
What does WLAN stand for?
Wireless LAN(Wireless Local Area Network)
What does WAN stand for?
Wide Area Network
What does LAN stand for?
Local Area Network
What does DHCP stand for?
Dynamic Host Configuration Protocol
What does DNS stand for?
Domain Name System
What does IP stand for?
Internet Protocol
What does APIPA stand for?
Automatic Private IP Addressing
What does ARP stand for?
Address Resolution Protocol
What does STP stand for?
Shielded twisted pair
What does UTP stand for?
Unshielded twisted pair
What does SAN stand for?
Storage Area Network
Name two networks people use every day?
1)Mail Delivery System
2)Public transportation system
What are networks?
Set of interconnected resources
What are social networks?
Websites that allow individuals to link to each other's pages
What is a computer data network?
A collection of hosts connected by networking devices
What is a host?
Any device that sends and receives information on the network.
What is a peripheral?
Devices that are connected to hosts.