The Internet

Question 1

Many computers can share a smaller pool of routable IP addresses with _______________.

Network Address Translation
Email
Web Servers
Remote Desktop

Answer 1

Network Address Translation

Question 2

What port number is used by HTTPS?

43
143
443
343

Answer 2

443

Question 3

What port number is used by SMTP?

23
25
110
144

Answer 3

25

Question 4

The Integrated Services Digital Network (ISDN) sends telephone transmissions across what type of lines?

Analog
Digital
Integrated
Steel

Answer 4

Digital

Question 5

What port number is used by POP3?

23
25
110
143

Answer 5

110

Question 6

What device turns digital data into an analog signal for sending it over the telephone line, and then turns it back into digital data when it reaches the other end of the connection?

Modem
Server
Telephone
Terminal

Answer 6

Modem

Question 7

What is the fundamental protocol for communication on the Internet?

Chat
TCP/IP
Telnet
Ethernet

Answer 7

TCP/IP

Question 8

What service runs from the provider straight to a home or office, using fiber the whole way?

FTTP
FTP
SFTP
FTTN

Answer 8

FTTP

Question 9

All Web browsers use the _______________.

Hypertext Transfer Protocol (HTTP)
Internet Message Access Protocol (IMAP)
Integrated Services Digital Network (ISDN)
Post Office Protocol 3 (POP3)

Answer 9

Hypertext Transfer Protocol (HTTP)

Question 10

______________ connections to ISPs use a standard telephone line with special equipment on each end to create always-on Internet connections at speeds much greater than dial-up.

FTTN
ISDN
DSL
Broadband cable

Answer 10

DSL

Question 11

Which software enables multiple connections to the Internet to go through one protected computer?

Firewall
Mail server
Network
Proxy server

Answer 11

Proxy server

Question 12

Z-Wave and Zigbe use a _______________ networking topology to facilitate communication in homes, yet both also have hubs that act as the network interconnect.

Star
Mesh
Ring
Tree

Answer 12

Mesh

Question 13

Tier 1 providers own long-distance, high-speed fiber-optic networks called ______________.

Backbones
Connectors
Root servers
Telephones

Answer 13

Backbones

Question 14

What protocol uses port numbers 67 and 68?

DHCP
DNS
HTTP
FTP

Answer 14

DHCP

Question 15

Every Tier 1 and Tier 2 provider leases connections to the Internet to companies called ______________.

Internet Connection Sharing (ICS)
Integrated Services Digital Network (ISDN)
Internet service providers (ISPs)
World Wide Web (WWW)

Answer 15

Internet service providers (ISPs)

Question 16

Which servers provide Web sites you access by using the HTTP protocol on port 80?

File
Mail
Network
Web

Answer 16

Web

Question 17

What term refers to encrypted tunnels that create private networks through the Internet?

NATs
Emulated terminals
VPNs
PPTPs

Answer 17

VPNs

Question 18

What port numbers are used by FTP?

443 and 444
20 and 21
23 and 25
80 and 110

Answer 18

20 and 21

Question 19

Your router can use a feature called _______________ to prioritize access to network resources. This feature enables you to ensure certain users, applications, or services are prioritized.

Network Address Translation (NAT)
Quality of Service (QoS)
Internet Message Access Protocol version 4 (IMAP4)
Lightweight Directory Access Protocol (LDAP)

Answer 19

Quality of Service (QoS)

Question 20

With most ISPs, a(n) ______________ server will provide your computer with the proper TCP/IP configuration information.

SMTP
WWW
Telnet
DHCP

Answer 20

DHCP

Question 21

What allows you to give anyone control of your desktop through an e-mail invitation?

Secure Shell
SMTP
Proxy
Remote Assistance

Answer 21

Remote Assistance

Question 22

What term refers to the amount of time a packet takes to get to its destination?

Latency
Handshaking
TTL
PTS

Answer 22

Latency

Question 23

What allows you to make voice calls over a computer network?

Satellites
Tunneling
Encryption
VoIP

Answer 23

VoIP