参考答案和解析
正确答案:A
A 解析:Explanation:
The application layer is the highest layer (layer 7) of the OSI model, and is reserved for end user applications. Since FTP is itself an application, layer 7 is the highest layer used.

Incorrect Answers:
B, C, D, E, F, G. In any given FTP session, all of these layers will be used at some point but they are incorrect because the question asked for the highest layer used by FTP.
更多“You have set up an Internet based FTP server, where people can upload and download files. In terms of the OSI model, what is the highest layer used during the FTP sessions.A. ApplicationB. PresentationC. SessionD. TransportE. InternetF. Data LinkG. Physic”相关问题
  • 第1题:

    A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the nework administrator is using for this operation?()

    A. application

    B. presentation

    C. session

    D. transport

    E. internet

    F. data link


    参考答案:A

  • 第2题:

    The TCP/IP stack is a complete set of networking protocols.The OSI Model was meant to be a standardized way of connecting devices together,and most protocols have some direct correlation to the OSI Model.The OSI Model has 7 layers,the fourth layer is called______.

    A.physical layer
    B.data link layer
    C.application layer
    D.transport layer

    答案:D
    解析:

  • 第3题:

    The File Transfer Protocol (FTP) is a standard network protocol used for the transfer of computer ( ) between a client and server on a computer network.FTP is built on a ( ) model architecture using separate control and data connections between the client and the server. FTP users may authenticate themselves with a ( ) sign-in protocol, normally in the form of a username and password, but can connect anonymously if the server is configured to allow it. For secure transmission that protects the username and password, and encrypts the content, FTP is often secured with SSL/TLS (FTPS) or replaced with SSH File Transfer Protocol (SFTP).The first FTP client applications were (请作答此空) programs developed before operating systems had graphical user interfaces, and are still shipped with most Windows, Unix, and Linux operating systems. Many FTP clients and automation utilities have since been developed for desktops, servers, mobile devices, and hardware, and FTP has been incorporated into productivity applications, such as HTML editors.FTP may run in ( ) mode, which determines how the data connection is established. In both cases, the client creates a TCP control connection from a random, usually an unprivileged, port N to the FTP server command port 21.In active mode, the client starts listening for incoming data connections from the server on port M. It sends the FTP command PORT M to inform the server on which port it is listening. The server then initiates a data channel to the client from its port 20, the FTP server data port.In situations where the client is behind a firewall and unable to accept incoming TCP connections, passive mode may be used. In this mode, the client uses the control connection to send a PASV command to the server and then receives a server IP address and server port number from the server, which the client then uses to open a data connection from an arbitrary client port to the server IP address and server port number received.Both modes were updated in September 1998 to support IPv6. Further changes were introduced to the passive mode at that time, updating it to extended passive mode.

    A.command-line
    B.graphical
    C.automation
    D.productivity

    答案:A
    解析:
    The File Transfer Protocol (FTP) is a standard network protocol used for the transfer of computer files between a client and server on a computer network.FTP is built on a client-server model architecture using separate control and data connections between the client and the server. FTP users may authenticate themselves with a clear-text sign-in protocol, normally in the form of a username and password, but can connect anonymously if the server is configured to allow it. For secure transmission that protects the username and password, and encrypts the content, FTP is often secured with SSL/TLS (FTPS) or replaced with SSH File Transfer Protocol (SFTP).The first FTP client applications were command-line programs developed before operating systems had graphical user interfaces, and are still shipped with most Windows, Unix, and Linux operating systems. Many FTP clients and automation utilities have since been developed for desktops, servers, mobile devices, and hardware, and FTP has been incorporated into productivity applications, such as HTML editors.FTP may run in active or passive mode, which determines how the data connection is established. In both cases, the client creates a TCP control connection from a random, usually an unprivileged, port N to the FTP server command port 21.In active mode, the client starts listening for incoming data connections from the server on port M. It sends the FTP command PORT M to inform the server on which port it is listening. The server then initiates a data channel to the client from its port 20, the FTP server data port.In situations where the client is behind a firewall and unable to accept incoming TCP connections, passive mode may be used. In this mode, the client uses the control connection to send a PASV command to the server and then receives a server IP address and server port number from the server, which the client then uses to open a data connection from an arbitrary client port to the server IP address and server port number received.Both modes were updated in September 1998 to support IPv6. Further changes were introduced to the passive mode at that time, updating it to extended passive mode.

  • 第4题:

    At which layer of the OSI model is RSTP used to prevent loops?()

    • A、data link
    • B、network
    • C、physical
    • D、transport

    正确答案:A

  • 第5题:

    You download a file from an FTP site on the Internet. What is the highest layer in the OSI model used in this FTP operation?()

    • A、Application
    • B、Presentation
    • C、Session
    • D、Transport
    • E、Internet
    • F、Data Link
    • G、Physical

    正确答案:A

  • 第6题:

    You have set up an Internet based FTP server, where people can upload and download files. In terms of the OSI model, what is the highest layer used during the FTP sessions.()

    • A、Application
    • B、Presentation
    • C、Session
    • D、Transport
    • E、Internet
    • F、DataLink
    • G、Physical

    正确答案:A

  • 第7题:

    You are the desktop administrator for Contoso, Ltd. Philippe is a user in the accounting department. Philippe reports that he is not able to download a file from an FTP server by using Internet Explorer on his Windows XP Professional computer. When Philippe attempts to access the FTP server by using the URL ftp://ftp.contoso.com, Internet Explorer displays the following error message: "The password was rejected." Philippe informs you that he has a user name and password for the FTP server, but that Internet Explorer does not prompt him to type the user name or password. You need to ensure that Philippe can access the FTP server by using Internet Explorer on his computer. Which URL should you instruct Philippe to use?() 

    • A、ftp://ftp.contoso.com/Philippe 
    • B、ftp://Philippe:password@ftp.contoso.com
    • C、ftp://Philippe/ftp.contoso.com 
    • D、ftp://ftp.contoso.com@Philippe:password

    正确答案:B

  • 第8题:

    You install the FTP role service on a server that runs Windows Server 2008. Users receive an errormessage when they attempt to upload files to the FTP site.  You need to allow authenticated users to upload files to the FTP site. What should you do?()

    • A、Run the ftp Ca 192.168.1.200 command on the server that runs Windows Server 2008.
    • B、Run the appcmd unlock config command on the server that runs Windows Server 2008.
    • C、Configure Write permissions on the FTP site. Configure the NTFS permissions on the FTP destination folder for the Authenticated Users group to Allow - Modify.
    • D、Configure Write permissions on the FTP site. Configure the NTFS permissions on the FTP destination folder for the Authenticated Users group to Allow C Write attributes.

    正确答案:C

  • 第9题:

    单选题
    You are the desktop administrator for Contoso, Ltd. Philippe is a user in the accounting department. Philippe reports that he is not able to download a file from an FTP server by using Internet Explorer on his Windows XP Professional computer. When Philippe attempts to access the FTP server by using the URL ftp://ftp.contoso.com, Internet Explorer displays the following error message: "The password was rejected." Philippe informs you that he has a user name and password for the FTP server, but that Internet Explorer does not prompt him to type the user name or password. You need to ensure that Philippe can access the FTP server by using Internet Explorer on his computer. Which URL should you instruct Philippe to use?()
    A

    ftp://ftp.contoso.com/Philippe 

    B

    ftp://Philippe:password@ftp.contoso.com

    C

    ftp://Philippe/ftp.contoso.com 

    D

    ftp://ftp.contoso.com@Philippe:password


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    Using FTP passive mode, after the client opens thecommand channel (port 21) to the FTP server and requests passive mode, what will be the next step? ()
    A

     The FTP server sends back an acknowledgment (ACK) to the client

    B

     The FTP server allocates a port touse for the data channel and transmit that port number to the client

    C

     The FTP server opens the data channel to the client using the port number indicated by the client

    D

     The FTP client opens the data channel to the FTP server on Port 20

    E

     The FTP client opens the datachannel to the FTP server on Port 21


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    You install the FTP role service on a server that runs Windows Server 2008. Users receive an errormessage when they attempt to upload files to the FTP site. You need to allow authenticated users toupload files to the FTP site. What should you do?()
    A

    Run the ftp Ca 192.168.1.200 command on the server that runs Windows Server 2008.

    B

    Run the appcmd unlock config command on the server that runs Windows Server 2008.

    C

    Configure Write permissions on the FTP site. Configure the NTFS permissions on the FTP destinationfolder for the Authenticated Users group to Allow - Modify.

    D

    Configure Write permissions on the FTP site. Configure the NTFS permissions on the FTP destinationfolder for the Authenticated Users group to Allow C Write attributes.


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    You download a file from an FTP site on the Internet. What is the highest layer in the OSI model used in this FTP operation?()
    A

    Application

    B

    Presentation

    C

    Session

    D

    Transport

    E

    Internet

    F

    Data Link

    G

    Physical


    正确答案: A
    解析: 暂无解析

  • 第13题:

    A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the nework

    A. application

    B. presentation

    C. session

    D. transport

    E. internet

    F. data link


    参考答案:A

  • 第14题:

    The File Transfer Protocol (FTP) is a standard network protocol used for the transfer of computer ( ) between a client and server on a computer network.FTP is built on a (请作答此空) model architecture using separate control and data connections between the client and the server. FTP users may authenticate themselves with a ( ) sign-in protocol, normally in the form of a username and password, but can connect anonymously if the server is configured to allow it. For secure transmission that protects the username and password, and encrypts the content, FTP is often secured with SSL/TLS (FTPS) or replaced with SSH File Transfer Protocol (SFTP).The first FTP client applications were ( ) programs developed before operating systems had graphical user interfaces, and are still shipped with most Windows, Unix, and Linux operating systems. Many FTP clients and automation utilities have since been developed for desktops, servers, mobile devices, and hardware, and FTP has been incorporated into productivity applications, such as HTML editors.FTP may run in ( ) mode, which determines how the data connection is established. In both cases, the client creates a TCP control connection from a random, usually an unprivileged, port N to the FTP server command port 21.In active mode, the client starts listening for incoming data connections from the server on port M. It sends the FTP command PORT M to inform the server on which port it is listening. The server then initiates a data channel to the client from its port 20, the FTP server data port.In situations where the client is behind a firewall and unable to accept incoming TCP connections, passive mode may be used. In this mode, the client uses the control connection to send a PASV command to the server and then receives a server IP address and server port number from the server, which the client then uses to open a data connection from an arbitrary client port to the server IP address and server port number received.Both modes were updated in September 1998 to support IPv6. Further changes were introduced to the passive mode at that time, updating it to extended passive mode.

    A.browser-server
    B.user- server
    C.client-server
    D.business -customer

    答案:C
    解析:
    The File Transfer Protocol (FTP) is a standard network protocol used for the transfer of computer files between a client and server on a computer network.FTP is built on a client-server model architecture using separate control and data connections between the client and the server. FTP users may authenticate themselves with a clear-text sign-in protocol, normally in the form of a username and password, but can connect anonymously if the server is configured to allow it. For secure transmission that protects the username and password, and encrypts the content, FTP is often secured with SSL/TLS (FTPS) or replaced with SSH File Transfer Protocol (SFTP).The first FTP client applications were command-line programs developed before operating systems had graphical user interfaces, and are still shipped with most Windows, Unix, and Linux operating systems. Many FTP clients and automation utilities have since been developed for desktops, servers, mobile devices, and hardware, and FTP has been incorporated into productivity applications, such as HTML editors.FTP may run in active or passive mode, which determines how the data connection is established. In both cases, the client creates a TCP control connection from a random, usually an unprivileged, port N to the FTP server command port 21.In active mode, the client starts listening for incoming data connections from the server on port M. It sends the FTP command PORT M to inform the server on which port it is listening. The server then initiates a data channel to the client from its port 20, the FTP server data port.In situations where the client is behind a firewall and unable to accept incoming TCP connections, passive mode may be used. In this mode, the client uses the control connection to send a PASV command to the server and then receives a server IP address and server port number from the server, which the client then uses to open a data connection from an arbitrary client port to the server IP address and server port number received.Both modes were updated in September 1998 to support IPv6. Further changes were introduced to the passive mode at that time, updating it to extended passive mode.

  • 第15题:

    Using FTP passive mode, after the client opens thecommand channel (port 21) to the FTP server and requests passive mode, what will be the next step? ()

    • A、 The FTP server sends back an acknowledgment (ACK) to the client
    • B、 The FTP server allocates a port touse for the data channel and transmit that port number to the client
    • C、 The FTP server opens the data channel to the client using the port number indicated by the client
    • D、 The FTP client opens the data channel to the FTP server on Port 20
    • E、 The FTP client opens the datachannel to the FTP server on Port 21

    正确答案:B

  • 第16题:

    A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the nework administrator is using for this operation?()

    • A、application
    • B、presentation
    • C、session
    • D、transport
    • E、internet
    • F、data link

    正确答案:A

  • 第17题:

    You have 2 commands used for ftp: ip ftp username xxxxxx ip ftp password yyyyyy Which two commands will be used when switching from ftp to http?


    正确答案: Ip http client username xxxxxx
    Ip http client password yyyyyy

  • 第18题:

    You have a server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). Server1 is configured as a FTP server.You need to view all the FTP packets sent to Server1 for a period of one hour.What should you do?()

    • A、From System Monitor, add all counters for the Network object. 
    • B、From Network Monitor, create a new capture and then create a display filter. 
    • C、From the command prompt, run Ftp.exe –d server1. Review the files in %systemdrive%/intepub/ftproot/. 
    • D、From Internet Information Services (IIS) Manager, enable and configure logging for the FTP site. Open the FTP log.

    正确答案:B

  • 第19题:

    You are creating a Windows component by using the .Net Framework 3.5.the component will be used in Microsoft Word 2007 by using a ribbon button.The component is used for uploading files. You find that Word 2007 becomes non-responsive during the upload. You need to ensure that the application completes the upload efficiently. What should you do?()

    • A、Use the AsyncResult.SyncProcessMessage method.
    • B、Call the BeginInvoke method, perform the upload, and then call the EndInvoke method
    • C、Retrieve a WaitHandle from an implementation of the IAsyncResult interface before the upload.
    • D、Set the IsCompleted property on an implementation of the IAsyncResult interface before the upload.

    正确答案:B

  • 第20题:

    单选题
    A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the nework administrator is using for this operation?()
    A

    application

    B

    presentation

    C

    session

    D

    transport

    E

    internet

    F

    data link


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the nework administrator is using for this operation?()
    A

    application

    B

    presentation

    C

    session

    D

    transport

    E

    internet

    F

    datalink


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    You have set up an Internet based FTP server, where people can upload and download files. In terms of the OSI model, what is the highest layer used during the FTP sessions.()
    A

    Application

    B

    Presentation

    C

    Session

    D

    Transport

    E

    Internet

    F

    DataLink

    G

    Physical


    正确答案: G
    解析: 暂无解析

  • 第23题:

    单选题
    You create a shared Internet connection on a Windows 2000 Professional computer. Your network has 10 users on the LAN. All of the users can connect to HTTP sites, FTP sites, and streaming audio content on the Internet. One of the computers on your LAN is running an FTP host application. Users on the Internet cannot connect to the FTP host on your network. What should you do?()
    A

    Configure the FTP host to accept incoming requests on service port 80.

    B

    Configure an Internet Connection Sharing application type for FTP to use remote server port 23.

    C

    Configure an Internet Connection Sharing service type for FTP use service port 21 on the FTP host computer.

    D

    Configure an Internet Connection Sharing service type for FTP use service port 23 on the FTP host computer.


    正确答案: A
    解析: 暂无解析