Computers Test 3/8
Which layer of the osi model is divided into two sublayers
DATA link
What protocol translates web addresses into ip addresses
DNS
What protocol is used for web pages and what port does it work
HTTP/port 80
What is the simplest device for connecting computers
HUB
Which of the following is a unique hexadecimal number that identifies your network card
MAC address
What protocol is used to remotely logging on to a computer in a secure manner
SSH
The ip address 127.0.0.1 always refers your what
Self
What type of connector is used with network cables
RJ-45
What protocol is used to send emails and what port does it work
SNTP/Port 25
What did Vince Cerf invent
TCP
Which US government agency created the distrubed network that formed the basis for the internet
The Advanced Research Projects Agency
At what layer of the osi model does tcp operate
Transport
Which of the following was one of the three university involved in the original distributed network setup by a government agency
UC Berkeley
What type of cable do most networks use?
UTP cable
What type of cable is used in most networks
UTP cable
Internet address of the form www.mvcs.ne tare called what
Uniform resource locator
What did Tim Burners Lee invent
World wide web
A t1 line sends data at what speed?
1.54 Mbps
How big is a tcp packet header
20 bytes
Which of the following is not a valid ip address
295.253.254.0.1
What class of address is the ip address 193.44.34.12?
Class c
Which utility provides information about a machine's configuration
IP config
What is the name for the point where the backbone of the internet connects?
Network access points
What does NIC stand for
network interface card
Which of the following is a device used to connect two or more networks together
router