question

UDP (user datagram protocol)

answer

protocol that operates instead of TCP in applications where delivery speed is important and quality can be sacrificied

question

_____ involves allowing voice packets to gain delivery importance over packets for applications like e-mail.

answer

Packet prioritization

question

A(n) _____ is a computing device that connects networks and exchanges data between them.

answer

router

question

The exploit referred to as __________ allowed hackers to leverage vulnerability in DNS software to redirect users to sites they did not request.

answer

Cache poisoning

question

Circuit-switched networks provide connection between two parties that:

answer

is dedicated for use by the parties for the duration of a connection.

question

The Internet Protocol Suite consists of the Internet Protocol and _____.

answer

Transmission Control Protocol

question

Routers don't have perfect, end-to-end information on all points in the Internet.

answer

true

question

The acronym HFT refers to:

answer

High Frequency Trading

question

The language "http" is used to create and format Web pages.

answer

False

question

Changing the letter case when typing in host and domain names does not affect the user's ability to reach the destination.

answer

TRUE

question

Peering refers to:

answer

A situation when separate ISPs connect their networking equipment together to share traffic.

question

The protocol used for exchange of mail between e-mail servers across the world is called _____.

answer

Simple Mail Transfer Protocol

question

The phrase ________ is used by technologists to refer to delay

answer

latency

question

The address one types into a Web browser is also known as a:

answer

uniform resource locator.

question

A _____ enables communication by defining the format of data and rules for exchange.

answer

protocol

question

When considering overall network speed, a system's speed is determined by its fastest component.

answer

false

question

The domain name service (DNS) is a distributed database that allows users to communicate with other computers by:

answer

mapping host and domain names to IP addresses of computers.

question

IP addresses can oftentimes be used to identify a user's geographic location.

answer

true

question

Many fear that innovation might suffer as a result of the transition of Internet services from flat rate pricing to metered usage.

answer

true

question

A(n) _____ is a temporary storage space used to speed computing tasks.

answer

cache

question

A unit of data forwarded by a network is called a _____.

answer

packet

question

Most mobile cell phone services are exempted from having to license the wireless spectrum for transmission.

answer

false

question

When the Internet really took off, much of the Internet's operating infrastructure transitioned to be supported by government grants rather than private firms.

answer

false

question

DSL technology is less efficient for service providers in the United States because many of their customers live in less-densely populated suburbs and rural areas.

answer

true

question

A technique known as _____ uses a gateway that allows multiple devices to share a single IP address. This can be useful in organizations that have a limited number of conventional IP addresses

answer

Network Address Translation (NAT)

question

_____ is the insulated copper cable commonly used by cable television providers with shielding to reduce electrical interference.

answer

Coaxial cable

question

A device gets its IP address from whichever organization is currently connecting it to the Internet.

answer

true

question

In the URL, the host name is the name of the network a user tries to connect to.

answer

false

question

_____ refers to the application transfer protocol that is used to copy files from one computer to another.

answer

File Transfer Protocol (FTP)

question

_____ is the nonprofit organization responsible for managing the Internet's domain and numbering systems.

answer

ICANN (Internet Corporation for Assigned Names and Numbers)

question

_____ involves distributing a computing or networking workload across multiple systems in order to avoid congestion and slow performance.

answer

load balancing

question

The TCP works at both ends of Internet communication.

answer

true

question

Which of the following represents the correct sequence of actions taken by the TCP at the destination computer to ensure a perfect copy of the sent message is received?

answer

Check if all sent packets are received; check if packets are damaged; request for new copies of damaged packets; put packets in correct order

question

Many residential providers of cable technology use a system that requires customers to share bandwidth with neighbors.

answer

true

question

Computer programs making decisions without any human intervention conduct most U.S. stock trading.

answer

true

question

Internet networks are _____.

answer

packet-switched networks

question

_____ is the language used to compose Web pages.

answer

HTML

question

Peering usually takes place at neutral sites called _____.

answer

IXPs

question

The User Datagram Protocol (UDP) acts as a substitute to TCP when there is a need for speed of communication, but where perfect and complete transmission quality can be sacrificed.

answer

true

question

Which of the following is true of the term Internet backbone?

answer

It refers to high-speed data lines provided by many firms all across the world that interconnect and collectively form the core of the Internet.

question

Servers or organizations do not need to be housed within a country in order to use a country code as part of their domain name.

answer

true

question

What is an example of cybersquatting?

answer

Acquiring a domain name to extort a firm, individual, product, or trademark holder

question

Which of the following applications is most likely to use UDP instead of TCP?

answer

Web-based phone calls

question

____ repeatedly sends a cluster of three packets starting at the first router connected to a computer, then the next, and so on, building out the path that packets take to their destination.

answer

Traceroute

question

One of the factors that accelerated the development of the Internet during the 1990s was:

answer

the invention of graphical Web browsing.

question

TCP and IP operate above http and the other application transfer protocols.

answer

false

question

ISPs and IXPs that carry out peering are required by the FCC to charge each other fees based on their traffic contribution.

answer

false

question

Wall Street traders often choose a colocation facility with the goal to provide high-latency connectivity to their partners.

answer

false

question

One of the disadvantages of cable technology is that:

answer

systems used by many providers require customers to share bandwidth with neighbors.

question

Popular sites like Google and Yahoo! have several computers assigned to their host names because:

answer

it ensures that the load of requests to their sites do not overwhelm a single computer.

question

Dot-com domain name registration is carried out on an auction basis to ensure the highest bidder gains rights to the desired domain name.

answer

false

question

The Internet has no center and no one owns it.

answer

true

question

The fault-tolerant nature of the DNS ensures that:

answer

the service continues functioning even if one nameserver goes down.

question

One of the functions of the IP is to:

answer

route message packets to the final destination.

question

A Web address without a file name will load content from a default page.

answer

true

question

A firm that provides hardware and services to run Web sites of others is known as a(n) _____.

answer

Web hosting service

question

The hypertext transfer protocol (http) defines the communication between:

answer

Web browsers and Web servers.

question

Web browsers and Web servers

answer

It refers to the language used to create and format Web pages.

question

"Html" is used to:

answer

create and format Web pages.

question

Key Inc., an American guitar maker, recently lost an action to recover the domain name piano-key.com, claiming that the defendant infringed on its registered trademark. What did Key Inc. specifically accuse the defendant of?

answer

Cybersquatting

question

Circuit-switched networks are advantageous because they offer an inexhaustible supply of bandwidth for telecommunications.

answer

false

question

Routing protocol that is in charge of forwarding packets on the Internet is known as voice over Internet protocol.

answer

false

BA325 – Chapter 14

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