Deck 15: Networks

Question 1

Which of the following describes a set of high-speed networks on the Internet, sponsored by companies such as AT&T and Verizon?

A) Backbone
B) Firewall
C) Bandwidth
D) Packet switching
E) Hostname

Answer 1

A

Question 2

Which of the following is the term used to describe a machine and software that protects a network from inappropriate access?

A) Backbone
B) Firewall
C) Bandwidth
D) Packet switching
E) Hostname

Answer 2

B

Question 3

Which of the following is a high-level protocol used to specify the transfer of electronic mail?

A) Ping
B) Telnet
C) Port
D) TCP/IP
E) SMTP

Answer 3

E

Question 4

Which of the following is made up of 128 bits?

A) IPv6 address
B) Domain name
C) Top-level domain
D) MIME type
E) Hostname

Question 5

Which of the following indicates the format of a file attached to an email message?

A) IP address
B) Domain name
C) Top-level domain
D) MIME type
E) Hostname

Question 6

Messages sent over some shared communication lines are divided into fixed-size, numbered pieces called packets.

Question 7

Network packets contain instructions regarding the route they should travel to reach their destination.

Question 8

A firewall is a barrier that protects network equipment from physical damage.

Question 9

An IPv4 address is stored in 32 bits, and an IPv6 address is stored in 128 bits.

Question 10

Contemporary operation of networking technology is possible only through the usage of open-use technology and layering approaches such as the Open Systems Interconnection (OSI) Reference Model.

Question 11

A(n) _______________ is a set of rules that defines how data is formatted and processed on a network.

Question 12

A(n) _______________ system, in contrast to an open system, uses private technologies controlled by a commercial vendor.

Question 13

An organization might develop a(n) _______________ that specifies what types of network communication are permitted or denied.

Question 14

matisse.csc.villanova.edu is an example of a(n) _______________ that uniquely identifies one computer among all others on the Internet.

Question 15

____________ computing is a service that provides storage space and other resources on the Internet.

Question 16

What are the basic roles of the client and server in a client/server model?

Question 17

Give an example of a hostname.

Question 18

What is a repeater?

Question 19

Which of the following is a generic term used for any device on a network?

A) Modem
B) Gateway
C) Node
D) Router
E) Repeater

Question 20

Which of the following provides a way to uniquely identify a single computer among all others on the Internet?

A) Backbone
B) Firewall
C) Bandwidth
D) Packet switching
E) Hostname

Question 21

Which of the following deals with the routing of packets through the maze of the Internet to their final destinations?

A) FTP
B) HTTP
C) IP
D) SMTP
E) TCP

Question 22

Which of the following would correspond to an organization, such as a university or company?

A) IP address
B) Domain name
C) Top-level domain
D) MIME type
E) Hostname

Question 23

Devices on what type of network always communicate using radio waves or infrared signals?

A) Local-area network (LAN)
B) Wide-area network (WAN)
C) Metropolitan-area network (MAN)
D) Wireless network
E) The Internet

Question 24

.com and .edu are examples of which of the following?

A) Hostname
B) Top-level domain (TLD)
C) IP address
D) Domain name system (DNS)
E) Domain name server

Question 25

A computer network is a collection of connected computing devices that may communicate and share resources.

Question 26

Only computers can be connected to a computer network.

Question 27

The layered approach to networking allows new protocols to be developed without abandoning fundamental aspects of lower levels.

Question 28

In a proprietary system, a commercial vendor opens their technology to other companies.

Question 29

IPv6 operates in parallel with IPv4 addressing, creating essentially two parallel networks.

Question 30

Although the TLDs approved in 2011 do not change how the Internet domain name system works, they had a significant impact on the way people find information and how businesses create their online presence.

Question 31

TCP/IP is a seven-layer breakdown of network interaction used to facilitate communication standards.

Question 32

Traceroute is a TCP/IP utility program that shows the route a packet takes to reach a particular destination node.

Question 33

In the name www.apple.com, apple.com is the top-level domain name.

Question 34

Which of the following is a device for converting an analog signal to a digital signal and back again?

A) Modem
B) Gateway
C) Node
D) Router
E) Repeater

Question 35

Which of the following breaks messages into packets, hands them off for delivery, and then orders and reassembles them at their destination?

A) FTP
B) HTTP
C) IP
D) SMTP
E) TCP

Question 36

Which of the following would correspond to an organization, such as a university or company?

A) IP address
B) Domain name
C) Top-level domain
D) MIME type
E) Hostname

Question 37

Which of the following indicates the general type of an organization or a country of origin?

A) IP address
B) Domain name
C) Top-level domain
D) MIME type
E) Hostname

Question 38

Computer networks may be connected without the use of physical wires.

Question 39

A ring topology is a LAN configuration in which a central node controls all message traffic.

Question 40

The layered approach to networking provides more opportunity for the use of new protocols, in that their impact on other aspects of network processing is minimized.

Question 41

The last block of IPv4 addresses has been assigned.

Question 42

The domain name system (DNS) uses one large table to map hostnames to IP addresses.

Question 43

Data transfer rate is also referred to as _______________.

Question 44

_______________ is a suite of protocols and programs that support low-level network communication.

Question 45

A(n) _______________ is a computer that attempts to translate a hostname into an IP address.

Question 46

_______________ is an alternative to Transmission Control Protocol (TCP) that achieves higher packet transmission at the cost of reliability.

Question 47

A(n) _______________ is a numeric designation that corresponds to a particular high-level network protocol.

Question 48

A(n) _______________ is a network device that directs a packet between networks toward its final destination.