Intro to Networks
You're the network administrator for a company located in Arizona that has just opened an office in Texas. You need to make sure that the two locations can communicate. What type of network are you implementing?
WAN
What type of wiring should be used for a high-speed connection between two buildings?
fiber-optic cabling
The four layers of the TCP/IP protocol suite are Application, ____________, Internetwork, and Network Access.
Transport
You have just run the ipconfig command and after you did you see that your IP address is 0.0.0.0. What option did you use on the ipconfig command?
/release
What is the MAC address of a computer?
the hardware identification number
Air waves are an example of what type of network component?
network medium
You are asked to make an inventory of all the cables and connections in your network. What are you being asked to inventory?
cable plant
What field in the Transport layer header can TCP adjust to provide flow control?
window size
What is the decimal equivalent to the binary number 11100000?
224
What component of the computer contains a MAC address?
NIC
You want a fast CPU for the new computer you are building and your motherboard only has one CPU socket. To increase the processing power, you need a CPU that provides more than one processor. What type of CPU are you looking for?
multicore
You are running a length of fiber optic cable between two wiring closets. What best describes the cable you are running?
backbone cable
Which protocol uses TCP port 21 by default?
FTP
What is the network ID of the IP address 172.19.48.16 with subnet mask 255.255.240.0?
172.19.48.0
What are the key differences between a switch and a router?
the switch connects computers within a network and a router connects networks together
What are the three basic tasks performed by a computer?
input, processing, output
You hand a technician a crossover cable to make a connection between devices. Which device pair are you most likely asking him to connect?
switch to switch
Ping uses __________ Echo packets to request a response from another computer to verify whether it's available for communication.
ICMP
What is the decimal equivalent to the hexadecimal number D?
13
What command would you issue from the command prompt to test whether your computer has connectivity to the network?
ping IPaddress
When data is being prepared for transmission onto the network, it is broken into small pieces and a header and trailer are added to each piece to help identify it. What is this process called?
encapsulation
The entrance facility is the place where the connection to a WAN is located. It is the point where the LAN equipment ends and a third-party provider's equipment and cabling begins. What is another name for this point?
demarcation point
TCP establishes a connection with the destination device using which process?
three-way handshake
Which subnet mask should you use if you want 16 bits of host address space?
255.255.0.0
In some wireless network configurations, a computer must send a special message to the AP before it can transmit data. What is this message called?
RTS