Deck 17: Network Protocols

Question 1

The driving force behind the development of IPv6 was the need for more addresses.

Answer 1

True

Question 2

The distributed operating system does not rely on a communications architecture for basic communications functions.

Answer 2

False

Question 3

Installations using TCP/IP are not expected to migrate from the current IP to IPv6 because the process would take too long to do.

Answer 3

False

Question 4

The communications software above the network access layer needs to be concerned about the specifics of the network to be used.

Question 5

TCP does not provide a reliable connection for the transfer of data between applications.

Question 6

The _________ provides support for distributed applications such as electronic mail, file transfer, and remote terminal access.

A) distributed operating system
B) user datagram protocol
C) network operating system
D) communications architecture

Question 7

The leading edge of research and development for distributed systems is in the area of distributed operating systems.

Question 8

The network access layer is concerned with access to and routing data across a network for two end systems attached to the same network.

Question 9

__________ accommodates both text and binary files, and is used to send files from one system to another using features that provide controlled access.

A) TELNET
B) SSH
C) FTP
D) SMTP

Question 10

The logic for actually dealing with the network is put into a separate network access module.

Question 11

A protocol is used for communication between entities in different systems.

Question 12

The Header Checksum field is used to detect errors in the header to avoid misdelivery.

Question 13

Stream sockets make use of UDP, which provides a connection-oriented reliable data transfer.

Question 14

In the __________ configuration the server machines provide network wide services or applications, such as file storage and printer management.

A) network operating system
B) communications architecture
C) distributed operating system
D) application programming interface

Question 15

__________ provides a number of functional enhancements designed to accommodate the higher speeds of today's networks and mix of data streams that are becoming more prevalent.

A) IPv6
B) IP
C) UDP
D) SMTP

Question 16

A _________ looks to its users like an ordinary centralized operating system but provides the user with transparent access to the resources of a number of machines.

A) user datagram protocol
B) datagram socket
C) distributed operating system
D) protocol architecture

Question 17

Each host on a network must have a unique global internet address.

Question 18

Linux supports a variety of networking architectures, in particular TCP/IP, by means of Berkeley Sockets.

Question 19

TELNET makes use of sockets.

Question 20

UDP guarantees delivery, preservation of sequence, or protection against duplication.

Question 21

A _________ is a common operating system shared by a network of computers.

Question 22

The _________ covers the physical interface between a data transmission device and a transmission medium or network.

A) network access layer
B) transport layer
C) physical layer
D) application layer

Question 23

IPv6 includes _________ source and destination address fields.

A) 32-bit
B) 256-bit
C) 64-bit
D) 128-bit

Question 24

The _________ is concerned with the exchange of data between an end system and the network to which it is attached.

A) Internet layer
B) transport layer
C) host-to-host layer
D) network access layer

Question 25

When two or more computers are interconnected via a communication network, the set of computer stations is referred to as a _________ .

Question 26

The __________ contains the logic needed to support the various user applications.

A) physical layer
B) network access layer
C) transport layer
D) application layer

Question 27

With __________ delivery is not guaranteed, nor is order necessarily preserved.

A) interface sockets
B) raw sockets
C) datagram sockets
D) stream sockets

Question 28

The exchange of information between computers for the purpose of cooperative action is generally referred to as __________ .

A) computer network
B) computer communications
C) socket networking
D) program interfacing

Question 29

The most widely used communications architecture the _________ protocol suite.

Question 30

The key elements of a protocol are: syntax, timing and _________ .

Question 31

Each application within a host must have an address, known as a __________ , that is unique within the host that allows the host-to-host protocol to deliver data to the proper process.

A) port
B) socket
C) segment
D) datagram

Question 32

The _________ provides a basic electronic mail facility.

A) API
B) SMTP
C) UDP
D) FTP

Question 33

The __________ is concerned with assuring that the two computer systems are active and ready for data transfer, and for keeping track of the data that are being exchanged to assure delivery.

Question 34

The __________ contains all the logic that is unique to the file transfer application, such as transmitting passwords, file commands, and file records.

A) communications service module
B) network access module
C) file transfer module
D) application programming interface

Question 35

__________ is implemented in all end systems and routers, and acts as a relay to move a block of data from one host, through one or more routers, to another host.

Question 36

A __________ is a processor that connects two networks, and whose primary function is to relay data from one network to the other on a route from the source to the destination end system.

Question 37

A __________ is a set of rules governing the exchange of data between two entities.

Question 38

The _________ is used at the internet layer to provide the routing function across multiple networks.

A) protocol architecture
B) Internet Protocol
C) transmission control protocol
D) UDP

Question 39

The structured set of modules that implements the communications function is referred to as a __________ .

Question 40

The __________ is a configuration in which there is a network of application machines, usually single-user workstations and one or more "server" machines.

Question 41

___________ is implemented only in the end systems and keeps track of the blocks of data being transferred to assure that all are delivered reliably to the appropriate application.

Question 42

The Berkeley Sockets Interface is the de facto standard __________ interface for developing networking applications, spanning a wide range of operating systems.

Question 43

_________ encrypts all traffic in both directions, provides a secure remote logon capability which enables a user at a terminal or personal computer to log on to a remote computer and function as if directly connected to that computer, and supports file transfer between the local host and a remote server.

Question 44

The concept of _________ was developed in the 1980s in the UNIX environment and enables communication between a client and server process and may be either connection oriented or connectionless.

Question 45

The TCP/IP protocol architecture contains _________ layers.