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A+ Networking
A+ Networking
39
Computer Science
Professional
04/05/2011

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Cards

Term
______________ address is generated automatically by a computer configured for automatic IP addressing if the computer is unable to contact the DHCP Server to lease an IP address.
Definition
APIPA
Term
A ___________ server is needed to support automatic IP address assignment
Definition
DHCP
Term
A _________ server provides NetBIOS name/IP address resolution
Definition
WINS
Term
What does a DNS server do?
Definition
maps TCP/IP host names to IP addresses and provides DNS name/IP address resolution services
Term
What happens if a subnet mask is set incorrectly?
Definition
It will prevent a computer from communicating with other computers on the local network.
Term
What two parts make up an IP address?
Definition
Network address and Host address
Term
What does a Network address identify?
Definition
The network segment on which the computer is deployed
Term
What does a Host address identify?
Definition
Uniquely identifies the computer on the network
Term
What is the purpose of a subnet mask?
Definition
It distinguishes which part of the IP address is the network address and which part is the host address
Term
What is a perimeter firewall?
Definition
A device configured to filter TCP/IP traffic coming into and going out of your network
Term
What does a VPN do?
Definition
Allows users to securely connect to a private network over a public network such as the internet
Term
What is a MAC address?
Definition
The physical address of the Network Interface Card
Term
A _______ connector is used when networking computers with Ethernet cable.
Definition
RJ-45
Term
A ________ connector is used to connect a modem to a telephone jack
Definition
RJ-11
Term
A ____________ connector is used when networking computers using fiber optic cables
Definition
ST
Term
What is an STP?
Definition
Shielded Twisted Pair
Term
What is a UTP?
Definition
Unshielded Twisted PAir
Term
Fiber Optic cable uses ________ instead of electricity to transmit data.
Definition
Light
Term
What type of cable is able to transmit over the longest distances and is most secure?
Definition
Fiber Optic
Term
What type of Cable is certified for Gigabit networks such as 1000BaseT?
Definition
Cat-6
Term
What is the maximum speed of Cat 5 cable?
Definition
100 Mbps
Term
How far can Cat-5 cable carry data?
Definition
100m
Term
What type of cable is Cat-5?
Definition
Unshielded Twisted pair
Term
______________ cabling is made of special material that is fire resistant, and is formulated with plastics that do not give off poisonous chemicals when burned.
Definition
Plenum
Term
What is the maximum speed of the 802.11g standard?
Definition
54 Mbps
Term
When is a WAP required?
Definition
When you want to integrate wireless and wired networks
Term
What type of connection has the highest latency and the lowest bandwidth?
Definition
Dial up
Term
What is the bandwidth range for DSL?
Definition
128 Kbps and 8 Mbps
Term
__________ supports 32 bit IP addresses in the dot decimal format.
Definition
IPv4
Term
__________ supports 128 bit IP addresses in eight groups of four hexadecimal digits
Definition
IPv6
Term
In the OSI model, what is contained on the Physical Layer?
Definition
Electrical and Physical specifications
Term
What level does networking hardware operate on?
Definition
The Physical Layer
Term
In the OSI model, what is contained on the Data Link Layer?
Definition
Provides the means by which data is transferred between network entities
Term
In the OSI model, what is done on the Networking Layer?
Definition
Provides the means by which data is transferred from a source to a destination
Term
In the OSI model, what is done on the Transport Layer?
Definition
Provides for the transparent transfer of data between end users
Term
In the OSI model, what is done on the Session Layer?
Definition
Initializes, maintains, and terminates dialog between local and remote computers
Term
In the OSI model, what is done on the Presentation Layer?
Definition
Transfers data into something recognizable by the application
Term
In the OSI model, what is done on the Application Layer?
Definition
Provides means by which users access the information which has travelled through the other layers.
Term
______________ is where HTTP, SMTP, FTP, etc. operate
Definition
Application Layer
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