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