Cybersecurity 101: Chapter 2 Multiple Choice

Which class of address is the IP address 193.44.34.12

C

What protocol translates web addresses into IP addresses?

DNS

Mohammed needs to open a firewall port so that web traffic can be passed through the firewall. What protocol is used for web pages, and on which port does it work?

HTTP, port 80

Which of the following is a unique hexadecimal number that identifies your network card?

MAC address

You are assigned with attaching connectors to segments of cable. What type of connector is used with network cables?

RJ-45

Which of the following is a device used to connect two or more networks?

Router

What protocol is used to send email, and on what port does it work?

SMTP, port 25

Gunther is setting up encrypted remote communications so that the server administrators can remotely access servers. What protocol is used for remotely logging on to a computer in a secure manner?

SSH

What did Vince Cerf invent?

TCP

How big is a TCP packet header?

The size is always 20 bytes

what did Tim Berners-Lee invent?

The world wide web

At what layer of the OSI model does TCP operate?

Transport

Which of the following was one of the three universities involved in the original distributed network set up by a government agency?

UC Berkeley

Malek is purchasing cable to use in setting up small office networks. He wants to stock up on commonly used cable. What type of cable do most networks use?

UTP

The IP address 127.0.0.1 always refers to your what?

self

Internet addresses of the form www.chuckeasttom.com are called what?

uniform source locators

What type of cable is used in most networks?

unshielded twisted pair

Juan has just installed a new T1 line in a medical office. The front desk receptionist has asked what speed they can expect. A T1 line sends data at what speed?

1.54 Mbps

You are examining a list of IP addresses. Some are internal, some are external, and some are not valid. Which of the following is not a valid IP address?

295.253.254.01

Which U.S. government agency created the distributed network that formed the basis for the internet?

Advanced Research Projects Agency

John is trying to simply connect three computers in a small network. He does not need any sort of routing capability and is not concerned about network traffic. What is the simplest device for connecting computers?

Hub

Which command-line utility provides information about a machine's network configuration?

IPConfig

What is the name for the point where the backbones of the Internet connect?

Network access point

Sharice is trying to teach a new technician basic networking terms. What should she tell this new technician NIC stands for?

Network interface card

Which layer of the OSI model is divided into two sublayers?

data link