Question 1

A de facto standard is one that, while not codified, is agreed upon and adhered to nevertheless.

Accepted Answer

A de facto standard is one that has not been officially codified or endorsed by a formal standards organization, but is widely accepted and used as if it were a formal standard due to its widespread adoption and use in practice.

Question 2

IP telephony is a method of encoding and transmitting voice signals over a data network using TCP/IP.

Accepted Answer

IP telephony, also known as Voice over IP (VoIP), involves converting voice signals into digital packets and transmitting them over a data network using the Internet Protocol (IP), often utilizing Transmission Control Protocol (TCP) or User Datagram Protocol (UDP) for the actual data transmission.

Question 3

Resolvers are servers that contain databases of names and their associated IP addresses.

Accepted Answer

Resolvers are not servers that contain databases of names and their associated IP addresses; they are client-side components that query DNS servers to resolve domain names into IP addresses.

Question 4

An alias provides a nickname for a host.

Accepted Answer

An alias in networking terms allows a single host to be recognized by another name, effectively serving as a nickname or alternative identifier for that host.

Question 5

Name space refers to the database of Internet IP addresses and their associated names.

Accepted Answer

The answer of Name space refers to the database of...

Question 6

Newsgroups are hosts on the Internet that need to look up domain name information and associate it with an IP address.

Accepted Answer

Newsgroups are forums for discussion and not hosts that look up domain name information; they do not associate domain names with IP addresses. That function is performed by DNS (Domain Name System) servers.

Question 7

Each name server manages a group of devices, collectively known as a tag.

Accepted Answer

Name servers manage domain names within specific zones of the Domain Name System (DNS), not groups of devices known as a tag.

Question 8

Port numbers in the range of 0 through 1023 are also known as well known ports.

Accepted Answer

Ports in the range of 0 through 1023 are designated as well-known ports and are assigned by the Internet Assigned Numbers Authority (IANA) for specific service types.

Question 9

Newsgroup messages are transported by the Simple Mail Transfer Protocol (SMTP).

Accepted Answer

Newsgroup messages are transported by the Network News Transfer Protocol (NNTP), not SMTP, which is used for email.

Question 10

When VoIP is carried over the Internet, it is known as Internet telephony.

Accepted Answer

VoIP (Voice over Internet Protocol) carried over the Internet is commonly referred to as Internet telephony, as it allows for the transmission of voice and multimedia content over Internet Protocol (IP) networks.

Question 11

The Domain Name System is a centralized method for automatically associating IP addresses with host names. _________________________

Accepted Answer

The answer of The Domain Name System is a centralized...

Question 12

A(n) RFC is a numbered document that articulates some aspect of Internet technology. _________________________

Accepted Answer

RFC stands for Request for Comments, and it is indeed a type of numbered document that describes methods, behaviors, research, or innovations applicable to the workings of the Internet and Internet-connected systems.

Question 13

When an Internet draft is transferred to the RFC editor, it is reclassified as a(n) draft standard. _________________________

Accepted Answer

proposed standard

Question 14

A(n) de facto standard is one that, while not codified, is agreed upon and adhered to nevertheless. _________________________

Accepted Answer

A de facto standard is one that has not been officially codified or legislated but is widely accepted and used as if it were a formal standard.

Question 15

Name server refers to the database of Internet IP addresses and their associated names. _________________________

Accepted Answer

Name space

Question 16

A(n) resource record describes one piece of information in the DNS database. _________________________

Accepted Answer

A resource record in DNS is a basic data element in the domain name system, each representing a single piece of information about the domain, such as an IP address for a hostname (A or AAAA record), mail server for the domain (MX record), etc.

Question 17

NNTP is a protocol that operates via TCP port 19. _________________________

Accepted Answer

port 119

Question 18

When VoIP is carried over the Internet, it is known as Packet Internet Groper. _________________________.

Accepted Answer

Internet telephony

Question 19

A network that uses Internet-like services and protocols to exchange information over a broad geographical area (or a WAN) is known as a(n) intranet. _________________________

Accepted Answer

extranet

Question 20

Which of the following is a nickname for a host?
A) Anchor
B) Alias
C) Browser
D) Echo reply

Accepted Answer

An alias is a nickname for a host, allowing a more memorable name to be used in place of a numerical IP address or a complex hostname.

Quiz 12: Internet Standards and Services