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CCNA01-3

By Stacy Austin,2014-05-23 01:26
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CCNA01-3

    1 What application layer protocol is commonly used to support for file transfers between a client and a server?

    HTML

    HTTP

    FTP

    Telnet

Observable Description Max Value

    correctness of 2 points for Option 3 1 2 response 0 points for any other option

    2 What are two forms of application layer software? (Choose two.)

    applications 应用程序和服务

    dialogs

    requests

    services

    syntax

Observable Description Max Value

    Option 1 and Option 4 are correct.

    correctness of 1 point for each correct option. 1 2 response 0 points if more options are selected than

    required.

    3 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 administration C/S模式?集中管理;安全容易实现。

    does not require specialized software

    security is easier to enforce

    lower cost implementation

    provides a single point of failure

Observable Description Max Value

    Option 1 and Option 3 are correct. correctness of 1 point for each correct option. 1 2 response 0 points if more options are selected than

    required.

    4 What is the purpose of resource records in DNS?

    temporarily holds resolved entries

    used by the server to resolve names DNS.解析域名

    sent by the client to the server during a query

    passes authentication information between the server and client

Observable Description Max Value

    correctness of 2 points for Option 2 1 2 response 0 points for any other option

    5 What is the automated service that matches resource names with the required IP address?

    HTTP

    SSH

    FQDN

    DNS

    Telnet

    SMTP

Observable Description Max Value

    correctness of 2 points for Option 4 1 2 response 0 points for any other option

    6 What three protocols operate at the Application layer of the OSI model? (Choose three.)

    ARP

    DNS

    PPP

    SMTP

    POP

    ICMP

Observable Description Max Value

    Option 2, Option 4, and Option 5 are correct. correctness of 1 point for each correct option. 1 3 response 0 points if more options are selected than

    required.

    7 What are three properties of peer-to-peer applications? (Choose three.)

    acts as both a client and server within the same communication 对等网即可做客户机也可做服务器。

    requires centralized account administration

    hybrid mode includes a centralized directory of files

    can be used in client-server networks

    requires a direct physical connection between devices

    centralized authentication is required

Observable Description Max Value

    Option 1, Option 3, and Option 4 are correct.

    correctness of 1 point for each correct option. 1 3 response 0 points if more options are selected than

    required.

    8 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 client

    POP delivers email from the client to the server email server

    SMTP supports file sharing

    Telnet provides a virtual connection for remote access

Observable Description Max Value

    Option 2 and Option 5 are correct.

    correctness of 1 point for each correct option. 1 2 response 0 points if more options are selected than

    required.

    9 Which email components are used to forward mail between servers? (Choose two.)

    MDA

    IMAP

    MTA

    POP 邮件接收协议

    SMTP

    MUA

Observable Description Max Value

    Option 3 and Option 5 are correct. correctness of 1 point for each correct option. 1 2 response 0 points if more options are selected than

    required.

    10 As compared to SSH, what is the primary disadvantage of telnet?

    not widely available

    does not support encryption SSH支持加密;telnet不支持

    consumes more network bandwidth

    does not support authentication

Observable Description Max Value

    correctness of 2 points for Option 2 1 2 response 0 points for any other option

    11 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 MUA

    receives email via the POP3 protocol

    passes email to the MDA for final delivery

    uses SMTP to route email between servers

    delivers email to clients via the POP3 protocol

Observable Description Max Value

    Option 2, Option 4, and Option 5 are correct. correctness of 1 point for each correct option. 1 3 response 0 points if more options are selected than

    required.

    12 Which two protocols are used to control the transfer of web resources from a web server to a client browser? (Choose two.)

    ASP

    FTP

    HTML

    HTTP

    HTTPS

    IP

Observable Description Max Value

    Option 4 and Option 5 are correct.

    correctness of 1 point for each correct option. 1 2 response 0 points if more options are selected than

    required.

    13 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.

    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.

Observable Description Max Value

    Option 2 and Option 5 are correct. correctness of 1 point for each correct option. 1 2 response 0 points if more options are selected than

    required.

    14 Which layer of the OSI model supplies services that allow user to interface with the network?

    physical

    session

    network

    presentation

    application

    transport

Observable Description Max Value

    correctness of 2 points for Option 5 1 2 response 0 points for any other option

    15

Refer to the exhibit. What is the destination port for the communication that is represented on line 5?

    80

    1261

    15533

    3912

    65520

ObservablDescription Max Value e

    correctness 2 points for Option 1 1 2 of response 0 points for any other option

    16 What are two characteristics of peer-to-peer networks? (Choose two.)

    scalable

    one way data flow

    decentralized resources 对等网?分散的资源;没有特定的服务器。

    centralized user accounts

    resource sharing without a dedicated server

Observable Description Max Value

    Option 3 and Option 5 are correct. correctness of 1 point for each correct option. 1 2 response 0 points if more options are selected than

    required.

    17 What application layer protocol describes the services that are used for file sharing in Microsoft networks?

    DHCP

    DNS

    SMB

    SMTP

    Telnet

Observable Description Max Value

    correctness of 2 points for Option 3 1 2 response 0 points for any other option

    18 What are two characteristics of clients in data networks? (Choose two.)

    use daemons

    initiate data exchanges 客户端?启动数据交换;可以向服务器上传数据

    are repositories of data

    may upload data to servers

    listen for requests from servers

Observable Description Max Value

    Option 2 and Option 4 are correct. correctness of 1 point for each correct option. 1 2 response 0 points if more options are selected than

    required.

    19 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 network

    provides control of all the data flowing between the source and destination devices

Observable Description Max Value

    correctness of 2 points for Option 3 1 2 response 0 points for any other option

    20 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 connection

    uses support from lower layer functions to distinguish between connections to the service

Observable Description Max Value

    correctness of 2 points for Option 4 1 2 response 0 points for any other option

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