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ENetwork Chapter 3 - CCNA Exploration (Version 4.0)   

2009-03-31 13:56:04|  分类: ccna1 |  标签: |举报 |字号 订阅

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Exam Viewer - ENetwork Chapter 3 - CCNA Exploration (Version 4.0)
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Below you will find the assessment items as presented on the exam as well as the scoring rules associated with the item.

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1 What application layer protocol is commonly used to support for file transfers between a client and a server?
 
 HTML 
 HTTP 
 =FTP 
 Telnet 
 

 

Scoring Rule For:  correctness of response
2 points for Option 3
0 points for any other option 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.3.4 FTP
 

2 What are two forms of application layer software? (Choose two.)
 
 applications 
 dialogs 
 requests 
 =services 
 syntax 
 

 

Scoring Rule For:  correctness of response
Option 1 and Option 4 are correct.
1 point for each correct option.
0 points if more options are selected than required. 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.1.2 Application Layer Software
 

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 
 does not require specialized software 
 =security is easier to enforce 
 lower cost implementation 
 provides a single point of failure 
 

 

Scoring Rule For:  correctness of response
Option 1 and Option 3 are correct.
1 point for each correct option.
0 points if more options are selected than required. 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.2.2 Servers
 

4 What is the purpose of resource records in DNS?
 
 temporarily holds resolved entries 
 =used by the server to resolve names 
 sent by the client to during a query 
 passes authentication information between the server and client 
 

 

Scoring Rule For:  correctness of response
2 points for Option 2
0 points for any other option 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.3.1 DNS Services and Protocol
 

5 What is the automated service that matches resource names with the required IP address?
 
 HTTP 
 SSH 
 FQDN 
 =DNS 
 Telnet 
 SMTP 
 

 

Scoring Rule For:  correctness of response
2 points for Option 4
0 points for any other option 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.3.1 DNS Services and Protocol
 

6 What three protocols operate at the Application layer of the OSI model? (Choose three.)
 
 ARP 
 =DNS 
 PPP 
 =SMTP 
 =POP 
 ICMP 
 

 

Scoring Rule For:  correctness of response
Option 2, Option 4, and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required. 
Max Value = 3
 

This item references content from the following areas:
CCNA Exploration
3.1.1 OSI and TCP/IP Model
 

7 What are three properties of peer-to-peer applications? (Choose three.)
 
 =acts as both a client and server within the same communication 
 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 
 

 

Scoring Rule For:  correctness of response
Option 1, Option 3, and Option 4 are correct.
1 point for each correct option.
0 points if more options are selected than required. 
Max Value = 3
 

This item references content from the following areas:
CCNA Exploration
3.2.4 Peer-to-Peer Networking and Applications (P2P)
 

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 
 

 

Scoring Rule For:  correctness of response
Option 2 and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required. 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.3.2 WWW Service and HTTP
 

9 Which email components are used to forward mail between servers? (Choose two.)
 
 MDA 
 IMAP 
 =MTA 
 POP 
 =SMTP 
 MUA 
 

 

Scoring Rule For:  correctness of response
Option 3 and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required. 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.1.3 User Applications, Services, and Application Layer Protocols
 

10 As compared to SSH, what is the primary disadvantage of telnet?
 
 not widely available 
 =does not support encryption 
 consumes more network bandwidth 
 does not support authentication 
 

 

Scoring Rule For:  correctness of response
2 points for Option 2
0 points for any other option 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.3.8 Telnet Services and Protocol
 

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 
 

 

Scoring Rule For:  correctness of response
Option 2, Option 4, and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required. 
Max Value = 3
 

This item references content from the following areas:
CCNA Exploration
3.3.3 E-mail Services and SMTP/POP Protocols
 

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 
 

 

Scoring Rule For:  correctness of response
Option 4 and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required. 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.3.2 WWW Service and HTTP
 

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. 
 

 

Scoring Rule For:  correctness of response
Option 2 and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required. 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.2.4 Peer-to-Peer Networking and Applications (P2P)
 

14 Which layer of the OSI model supplies services that allow user to interface with the network?
 
 physical 
 session 
 network 
 presentation 
 =application 
 transport 
 

 

Scoring Rule For:  correctness of response
2 points for Option 5
0 points for any other option 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.1.3 User Applications, Services, and Application Layer Protocols
 

15

Refer to the exhibit. What is the destination port for the communication that is represented on line 5?
 
 =80 
 1261 
 15533 
 3912 
 65520 
 

 

Scoring Rule For:  correctness of response
2 points for Option 1
0 points for any other option 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
4.5.3 Application and Transport Layer Protocols
 

16 What are two characteristics of peer-to-peer networks? (Choose two.)
 
 scalable 
 one way data flow 
 =decentralized resources 
 centralized user accounts 
 =resource sharing without a dedicated server 
 

 

Scoring Rule For:  correctness of response
Option 3 and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required. 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.2.4 Peer-to-Peer Networking and Applications (P2P)
 

17 What application layer protocol describes the services that are used for file sharing in Microsoft networks?
 
 DHCP 
 DNS 
 =SMB 
 SMTP 
 Telnet 
 

 

Scoring Rule For:  correctness of response
2 points for Option 3
0 points for any other option 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.3.6 File Sharing Services and SMB Protocol
 

18 What are two characteristics of clients in data networks? (Choose two.)
 
 use daemons 
 =initiate data exchanges 
 are repositories of data 
 =may upload data to servers 
 listen for requests from servers 
 

 

Scoring Rule For:  correctness of response
Option 2 and Option 4 are correct.
1 point for each correct option.
0 points if more options are selected than required. 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.2.1 The Client-Server Model
 

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 
 

 

Scoring Rule For:  correctness of response
2 points for Option 3
0 points for any other option 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.1.1 OSI and TCP/IP Model
 

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 
 

 

Scoring Rule For:  correctness of response
2 points for Option 4
0 points for any other option 
Max Value = 2
 

This item references content from the following areas:
CCNA Exploration
3.2.3 Application Layer Services and Protocols
 

 
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