More domain 1

Question 1

Serves as a resource to match up fully qualifed domain names with an IP,

Answer 1

Domain Name Server (DNS)

Question 2

Provides a way to receive store and forward email messages on the behalf of email clients,

Answer 2

Email Server

Question 3

Server that substitutes public addresses for private addresses,

Answer 3

Network Address Translation Server (NAT)

Question 4

Server that caches recently visited web pages to reduce bandwidth consumption and speed up response time,

Answer 4

Web Proxy

Question 5

Automatically provides IP addresses to requesting clients,

Answer 5

DHCP Server

Question 6

Server that performs data file transfers based on connecttion-oriented rule set,

Answer 6

FTP Server

Question 7

Provides for authentication and resource authorization to users logging in to a network,

Answer 7

Domain Controller

Question 8

Server that provides a secure connection that encrypts the original data and all the original headers,

Answer 8

VPN Server

Question 9

This layer defines the intended application to be used by an incoming datagram,

Answer 9

Transport Layer–tcp/ip

Question 10

This layer looks for the destination Ehternet address,

Answer 10

Network access layer–tcp/ip

Question 11

This layer performs encryption on the data

Answer 11

Application layer–tcp/ip

Question 12

This layer discerns the source’s IP address to be used for acknowledgements,

Answer 12

Network layer–TCP/ip

Question 13

This layer identifies the correct network layer protocol to be used in the application’s header fields,

Answer 13

Network access layer–TCP/ip

Question 14

This layer defines the physical medium for delivery,

Answer 14

Network access layer–TCP/ip

Question 15

This layer tells the software which version of IP is to be used,

Answer 15

Network layer–TCP/ip

Question 16

This layer can be directed to reset the connection if an interuption occurs,

Answer 16

Transport Layer–TCP/ip

Question 17

This layer formats the data so that the application can read it,

Answer 17

Application layer–TCP/ip

Question 18

This layer is responsible for acknowledging the delivery of data segments to the source,

Answer 18

Transport Layer–TCP/ip

Question 19

Provides media access to host machines,

Answer 19

Network layer–TCP/ip

Question 20

This header contains information on the source machine network location,

Answer 20

Network layer–TCP/ip

Question 21

Defines the Ethernet address of sending host,

Answer 21

Network access layer–TCP/ip

Question 22

Sequences the arriving packets so as to reassemble the original data,

Answer 22

Transport Layer–TCP/ip

Question 23

Provides encryption services to datagrams,

Answer 23

Application layer–TCP/ip

Question 24

Defines channels/frequencies of wireless spectrum usable for Ethernet network,

Answer 24

Network access layer–TCP/ip

Question 25

Contains a synchronization bit for the purpose of notifiying a remote host to establish a connection,

Answer 25

Transport Layer--TCP/ip

Question 26

SMTP, FTP, SNMP, and HTTP function at this layer,

Answer 26

Application layer--TCP/ip

Question 27

Segments acknowledgments are directed to the source machine by this layer,

Answer 27

Transport Layer--TCP/ip

Question 28

OSI layer--Bits. Electric layer. Network adapter. Repeaters. Hubs. Fiber media converts,

Answer 28

Physical

Question 29

OSI layer--Frames. Ethernet. Not a protocol. Transfers data between nodes,

Answer 29

Data Link

Question 30

OSI layer--Packets. Mail clerk. Message in a bottle,

Answer 30

Network

Question 31

OSI layer--Segments, Packets are sorted and organized into segments,

Answer 31

Transport Layer

Question 32

OSI layer--Intimates and terminates the transport layer connection oriented services,

Answer 32

Session

Question 33

OSI layer--Changes Segments or packets into data formats,

Answer 33

Presentation

Question 34

OSI layer--FTP, HTTP, DHCP and DNS,

Answer 34

Application layer