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