1. Which statements correctly
identify the role of intermediary devices in the network? (Choose three.)
determine pathways for dataü
initiate data communications
retime and retransmit data signalsü
originate the flow of data
manage data flowsü
final termination point for data flow
2. Select the statements that are correct concerning network protocols. (Choose three.)
define the structure of layer specific PDU’sü
dictate how to accomplish layer functions
outline the functions necessary for communications between layersü
limit the need for hardware compatibility
require layer dependent encapsulationsü
eliminate standardization among vendors
3. What are two functions of encapsulation? (Choose two.)
tracks delay between end devices
enables consistent network paths for communication
allows modification of the original data before transmission
identifies pieces of data as part of the same communicationü
ensures that data pieces can be directed to the correct receiving end deviceü
4. What is a primary function of the trailer information added by the data link layer encapsulation?
supports error detectionü
ensures ordered arrival of data
provides delivery to correct destination
identifies the devices on the local network
assists intermediary devices with processing and path selection
5. Which two layers of the OSI model have the same functions as the TCP/IP model Network Access Layer? (Choose two.)
Network
Transport
Physicalü
Data Linkü
Session
6. What is a PDU?
corruption of a frame during transmission
data reassembled at the destination
retransmitted packets due to lost communication
a layer specific encapsulationü
7. Which characteristic correctly refers to end devices in a network?
manage data flows
originate data flowü
retime and retransmit data signals
determine pathways for data
8.
Refer to the exhibit. “Cell A” at IP address 10.0.0.34 has established an IP session with “IP Phone 1″ at IP address 172.16.1.103. Based upon the graphic, which device type best describes the function of wireless device “Cell A?”
the destination device
an end deviceü
an intermediate device
a media device
9.
Refer to the exhibit. Which three labels correctly identify the network types for the network segments that are shown? (Choose three.)
Network A — WAN
Network B — WANü
Network C — LANü
Network B — MAN
Network C — WAN
Network A – LANü
10. Which three statements best describe a Local Area Network (LAN)? (Choose three.)
A LAN is usually in a single geographical area.ü
The network is administered by a single organization.ü
The connection between segments in the LAN is usually through a leased connection.
The security and access control of the network are controlled by a service provider.
A LAN provides network services and access to applications for users within a common organization.ü
Each end of the network is generally connected to a Telecommunication Service Provider (TSP).
11.
Refer to the exhibit. Which networking term describes the data interleaving process represented in the graphic?
piping
PDU
streaming
multiplexingü
encapsulation
12. What is the primary purpose of Layer 4 port assignment?
to identify devices on the local media
to identify the hops between source and destination
to identify to the intermediary devices the best path through the network
to identify the source and destination end devices that are communicating
to identify the processes or services that are communicating within the end devicesü
13. What device is considered an intermediary device?
file server
IP phone
laptop
printer
switchü
14.
Refer to the exhibit. Which term correctly identifies the device type that is included in the area B?
source
end
transfer
intermediaryü
15.
Refer to the exhibit. What type of network is shown?
WAN
MAN
LANü
WLAN
16. Which layer encapsulates the segment into packets?
physical
data link
networkü
transport
17. What can be identified by examining the network layer header?
the destination device on the local media
the destination host addressü
the bits that will be transferred over the media
the source application or process creating the data
18.
Refer to the exhibit. Which set of devices contains only end devices?
A, C, D
B, E, G, H
C, D, G, H, I, J
D, E, F, H, I, J
E, F, H, I, Jü
19. During the encapsulation process, what occurs at the data link layer?
No address is added.
The logical address is added.
The physical address is added.ü
The process port number is added.
20. What is the purpose of the TCP/IP Network Access layer?
path determination and packet switching
data presentation
reliability, flow control, and error detection
network media controlü
the division of segments into packets
21. What is the proper order of the layers of the OSI model from the highest layer to the lowest layer?
physical, network, application, data link, presentation, session, transport
application, physical, session, transport, network, data link, presentation
application, presentation, physical, session, data link, transport, network
application, presentation, session, transport, network, data link, physicalü
presentation, data link, session, transport, network, physical, application
22. What application layer protocol is commonly used to support for file transfers between a client and a server?
HTML
HTTP
FTPü
Telnet
23. What are two forms of application layer software? (Choose two.)
applicationsü
dialogs
requests
servicesü
syntax
24. A network administrator is designing a network for a new branch office of twenty-five users. What are the advantages of using a client-server model? (Choose two.)
centralized administrationü
does not require specialized software
security is easier to enforceü
lower cost implementation
provides a single point of failure
25. What is the purpose of resource records in DNS?
temporarily holds resolved entries
used by the server to resolve namesü
sent by the client to during a query
passes authentication information between the server and client
26. What is the automated service that matches resource names with the required IP address?
HTTP
SSH
FQDN
DNSü
Telnet
SMTP
27. What three protocols operate at the Application layer of the OSI model? (Choose three.)
ARP
DNSü
PPP
SMTPü
POPü
ICMP
28. What are three properties of peer-to-peer applications? (Choose three.)
acts as both a client and server within the same communication.ü
requires centralized account administration.
hybrid mode includes a centralized directory of files.ü
can be used in client-server networks.ü
requires a direct physical connection between devices.
centralized authentication is required.
29. Which application layer protocols correctly match a corresponding function? (Choose two.)
DNS dynamically allocates IP addresses to hosts
HTTP transfers data from a web server to a clientü
POP delivers email from the client to the server email server
SMTP supports file sharing
Telnet provides a virtual connection for remote accessü
30. Which email components are used to forward mail between servers? (Choose two.)
MDA
IMAP
MTAü
POP
SMTPü
MUA
31. As compared to SSH, what is the primary disadvantage of telnet?
not widely available
does not support encryptionü
consumes more network bandwidth
does not support authentication
32. Which statements are correct concerning the role of the MTA in handling email? (Choose three.)
routes email to the MDA on other servers
receives email from the client’s MUAü
receives email via the POP3 protocol
passes email to the MDA for final deliveryü
uses SMTP to route email between serversü
delivers email to clients via the POP3 protocol
33. used to control the transfer of web resources from a web server to a client browser? (Choose two.)
ASP
FTP
HTML
HTTPü
HTTPSü
IP
34. A small home network has been installed to interconnect three computers together for gaming and file sharing. What two properties represent this network type? (Choose two.)
User accounts are centralized.
Security is difficult to enforce.ü
Specialized operating system software is required.
File permissions are controlled by a single computer.
A computer that responds to a file sharing request is functioning as a server.ü
35. Which layer of the OSI model supplies services that allow user to interface with the network?
physical
session
network
presentation
applicationü
transport
36.
Refer to the exhibit. What is the destination port for the communication that is represented on line 5?
15533
3912
65520
37. What are two characteristics of peer-to-peer networks? (Choose two.)
scalable
one way data flow
decentralized resourcesü
centralized user accounts
resource sharing without a dedicated serverü
38. What application layer protocol describes the services that are used for file sharing in Microsoft networks?
DHCP
DNS
SMBü
SMTP
Telnet
39. What are two characteristics of clients in data networks? (Choose two.)
use daemons
initiate data exchangesü
are repositories of data
may upload data to serversü
listen for requests from servers
40. What is the role of the OSI application layer?
provides segmentation of data
provides encryption and conversion of data
provides the interface between the applications on either end of the networkü
provides control of all the data flowing between the source and destination devices
41. How does the application layer on a server usually process multiple client request for services?
ceases all connections to the service
denies multiple connections to a single daemon
suspends the current connection to allow the new connectionü
uses support from lower layer functions to distinguish between connections to the service
determine pathways for dataü
initiate data communications
retime and retransmit data signalsü
originate the flow of data
manage data flowsü
final termination point for data flow
2. Select the statements that are correct concerning network protocols. (Choose three.)
define the structure of layer specific PDU’sü
dictate how to accomplish layer functions
outline the functions necessary for communications between layersü
limit the need for hardware compatibility
require layer dependent encapsulationsü
eliminate standardization among vendors
3. What are two functions of encapsulation? (Choose two.)
tracks delay between end devices
enables consistent network paths for communication
allows modification of the original data before transmission
identifies pieces of data as part of the same communicationü
ensures that data pieces can be directed to the correct receiving end deviceü
4. What is a primary function of the trailer information added by the data link layer encapsulation?
supports error detectionü
ensures ordered arrival of data
provides delivery to correct destination
identifies the devices on the local network
assists intermediary devices with processing and path selection
5. Which two layers of the OSI model have the same functions as the TCP/IP model Network Access Layer? (Choose two.)
Network
Transport
Physicalü
Data Linkü
Session
6. What is a PDU?
corruption of a frame during transmission
data reassembled at the destination
retransmitted packets due to lost communication
a layer specific encapsulationü
7. Which characteristic correctly refers to end devices in a network?
manage data flows
originate data flowü
retime and retransmit data signals
determine pathways for data
8.
Refer to the exhibit. “Cell A” at IP address 10.0.0.34 has established an IP session with “IP Phone 1″ at IP address 172.16.1.103. Based upon the graphic, which device type best describes the function of wireless device “Cell A?”
the destination device
an end deviceü
an intermediate device
a media device
Refer to the exhibit. Which three labels correctly identify the network types for the network segments that are shown? (Choose three.)
Network A — WAN
Network B — WANü
Network C — LANü
Network B — MAN
Network C — WAN
Network A – LANü
10. Which three statements best describe a Local Area Network (LAN)? (Choose three.)
A LAN is usually in a single geographical area.ü
The network is administered by a single organization.ü
The connection between segments in the LAN is usually through a leased connection.
The security and access control of the network are controlled by a service provider.
A LAN provides network services and access to applications for users within a common organization.ü
Each end of the network is generally connected to a Telecommunication Service Provider (TSP).
Refer to the exhibit. Which networking term describes the data interleaving process represented in the graphic?
piping
PDU
streaming
multiplexingü
encapsulation
12. What is the primary purpose of Layer 4 port assignment?
to identify devices on the local media
to identify the hops between source and destination
to identify to the intermediary devices the best path through the network
to identify the source and destination end devices that are communicating
to identify the processes or services that are communicating within the end devicesü
13. What device is considered an intermediary device?
file server
IP phone
laptop
printer
switchü
Refer to the exhibit. Which term correctly identifies the device type that is included in the area B?
source
end
transfer
intermediaryü
Refer to the exhibit. What type of network is shown?
WAN
MAN
LANü
WLAN
16. Which layer encapsulates the segment into packets?
physical
data link
networkü
transport
17. What can be identified by examining the network layer header?
the destination device on the local media
the destination host addressü
the bits that will be transferred over the media
the source application or process creating the data
Refer to the exhibit. Which set of devices contains only end devices?
A, C, D
B, E, G, H
C, D, G, H, I, J
D, E, F, H, I, J
E, F, H, I, Jü
19. During the encapsulation process, what occurs at the data link layer?
No address is added.
The logical address is added.
The physical address is added.ü
The process port number is added.
20. What is the purpose of the TCP/IP Network Access layer?
path determination and packet switching
data presentation
reliability, flow control, and error detection
network media controlü
the division of segments into packets
21. What is the proper order of the layers of the OSI model from the highest layer to the lowest layer?
physical, network, application, data link, presentation, session, transport
application, physical, session, transport, network, data link, presentation
application, presentation, physical, session, data link, transport, network
application, presentation, session, transport, network, data link, physicalü
presentation, data link, session, transport, network, physical, application
22. What application layer protocol is commonly used to support for file transfers between a client and a server?
HTML
HTTP
FTPü
Telnet
23. What are two forms of application layer software? (Choose two.)
applicationsü
dialogs
requests
servicesü
syntax
24. A network administrator is designing a network for a new branch office of twenty-five users. What are the advantages of using a client-server model? (Choose two.)
centralized administrationü
does not require specialized software
security is easier to enforceü
lower cost implementation
provides a single point of failure
25. What is the purpose of resource records in DNS?
temporarily holds resolved entries
used by the server to resolve namesü
sent by the client to during a query
passes authentication information between the server and client
26. What is the automated service that matches resource names with the required IP address?
HTTP
SSH
FQDN
DNSü
Telnet
SMTP
27. What three protocols operate at the Application layer of the OSI model? (Choose three.)
ARP
DNSü
PPP
SMTPü
POPü
ICMP
28. What are three properties of peer-to-peer applications? (Choose three.)
acts as both a client and server within the same communication.ü
requires centralized account administration.
hybrid mode includes a centralized directory of files.ü
can be used in client-server networks.ü
requires a direct physical connection between devices.
centralized authentication is required.
29. Which application layer protocols correctly match a corresponding function? (Choose two.)
DNS dynamically allocates IP addresses to hosts
HTTP transfers data from a web server to a clientü
POP delivers email from the client to the server email server
SMTP supports file sharing
Telnet provides a virtual connection for remote accessü
30. Which email components are used to forward mail between servers? (Choose two.)
MDA
IMAP
MTAü
POP
SMTPü
MUA
31. As compared to SSH, what is the primary disadvantage of telnet?
not widely available
does not support encryptionü
consumes more network bandwidth
does not support authentication
32. Which statements are correct concerning the role of the MTA in handling email? (Choose three.)
routes email to the MDA on other servers
receives email from the client’s MUAü
receives email via the POP3 protocol
passes email to the MDA for final deliveryü
uses SMTP to route email between serversü
delivers email to clients via the POP3 protocol
33. used to control the transfer of web resources from a web server to a client browser? (Choose two.)
ASP
FTP
HTML
HTTPü
HTTPSü
IP
34. A small home network has been installed to interconnect three computers together for gaming and file sharing. What two properties represent this network type? (Choose two.)
User accounts are centralized.
Security is difficult to enforce.ü
Specialized operating system software is required.
File permissions are controlled by a single computer.
A computer that responds to a file sharing request is functioning as a server.ü
35. Which layer of the OSI model supplies services that allow user to interface with the network?
physical
session
network
presentation
applicationü
transport
36.
Refer to the exhibit. What is the destination port for the communication that is represented on line 5?
80ü
126115533
3912
65520
37. What are two characteristics of peer-to-peer networks? (Choose two.)
scalable
one way data flow
decentralized resourcesü
centralized user accounts
resource sharing without a dedicated serverü
38. What application layer protocol describes the services that are used for file sharing in Microsoft networks?
DHCP
DNS
SMBü
SMTP
Telnet
39. What are two characteristics of clients in data networks? (Choose two.)
use daemons
initiate data exchangesü
are repositories of data
may upload data to serversü
listen for requests from servers
40. What is the role of the OSI application layer?
provides segmentation of data
provides encryption and conversion of data
provides the interface between the applications on either end of the networkü
provides control of all the data flowing between the source and destination devices
41. How does the application layer on a server usually process multiple client request for services?
ceases all connections to the service
denies multiple connections to a single daemon
suspends the current connection to allow the new connectionü
uses support from lower layer functions to distinguish between connections to the service
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