Cisco CCNA Chapter 3 answers

Cisco CCNA Chapter 3 answers

Recently I have prepared cisco's semester exam and sorted out the exam answers.

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2

What are the two forms of application layer software? (Select two items)
<Input checked = "checked" type = "checkbox" value = "561298" name = "RESPONSE_MCMA_it_126842">	Applications
<Input type = "checkbox" value = "561299" name = "RESPONSE_MCMA_it_126842">	Dialog
<Input type = "checkbox" value = "561300" name = "RESPONSE_MCMA_it_126842">	Request
<Input checked = "checked" type = "checkbox" value = "561301" name = "RESPONSE_MCMA_it_126842">	Service
<Input type = "checkbox" value = "561302" name = "RESPONSE_MCMA_it_126842">	Syntax

3

The Network Administrator is designing a network for a new branch with 25 users. What are the advantages of using the client-server model? (Select two items)
<Input checked = "checked" type = "checkbox" value = "560942" name = "RESPONSE_MCMA_it_126771">	Centralized Management
<Input type = "checkbox" value = "560943" name = "RESPONSE_MCMA_it_126771">	No special software required
<Input checked = "checked" type = "checkbox" value = "560944" name = "RESPONSE_MCMA_it_126771">	Easier Security Management
<Input type = "checkbox" value = "560945" name = "RESPONSE_MCMA_it_126771">	Lower implementation cost
<Input type = "checkbox" value = "560946" name = "RESPONSE_MCMA_it_126771">	Single fault point

4

What is the role of resource records in DNS?
<Input type = "radio" value = "561313" name = "RESPONSE_MCSA_it_126845">	Temporarily save resolved entries
<Input checked = "checked" type = "radio" value = "561314" name = "RESPONSE_MCSA_it_126845">	The server uses its DNS domain name
<Input type = "radio" value = "561315" name = "RESPONSE_MCSA_it_126845">	Sent by the client during Query
<Input type = "radio" value = "561316" name = "RESPONSE_MCSA_it_126845">	Transfer authentication information between the server and the client

5

What is the automated service that matches the resource name with the required IP address?
<Input type = "radio" value = "560966" name = "RESPONSE_MCSA_it_126776">	HTTP
<Input type = "radio" value = "560967" name = "RESPONSE_MCSA_it_126776">	SSH
<Input type = "radio" value = "560968" name = "RESPONSE_MCSA_it_126776">	FQDN
<Input checked = "checked" type = "radio" value = "560969" name = "RESPONSE_MCSA_it_126776">	DNS
<Input type = "radio" value = "560970" name = "RESPONSE_MCSA_it_126776">	Telnet
<Input type = "radio" value = "560971" name = "RESPONSE_MCSA_it_126776">	SMTP

6

Which of the following protocols work at the application layer of the OSI model? (Select three items)
<Input type = "checkbox" value = "560878" name = "RESPONSE_MCMA_it_126759">	ARP
<Input checked = "checked" type = "checkbox" value = "560879" name = "RESPONSE_MCMA_it_126759">	DNS
<Input type = "checkbox" value = "560880" name = "RESPONSE_MCMA_it_126759">	PPP
<Input checked = "checked" type = "checkbox" value = "560881" name = "RESPONSE_MCMA_it_126759">	SMTP
<Input checked = "checked" type = "checkbox" value = "560882" name = "RESPONSE_MCMA_it_126759">	POP
<Input type = "checkbox" value = "560883" name = "RESPONSE_MCMA_it_126759">	ICMP

7

Which of the following are the attributes of point-to-point applications? (Select three items .)
<Input checked = "checked" type = "checkbox" value = "723493" name = "RESPONSE_MCMA_it_159318">	In the same communication, both the client and the server
<Input type = "checkbox" value = "723494" name = "RESPONSE_MCMA_it_159318">	Accounts need to be centrally managed
<Input checked = "checked" type = "checkbox" value = "723495" name = "RESPONSE_MCMA_it_159318">	Adopts the hybrid mode and uses a central file directory
<Input checked = "checked" type = "checkbox" value = "723496" name = "RESPONSE_MCMA_it_159318">	Can be used in the client server network
<Input type = "checkbox" value = "723497" name = "RESPONSE_MCMA_it_159318">	Requires direct physical connection between devices
<Input type = "checkbox" value = "723498" name = "RESPONSE_MCMA_it_159318">	Centralized identity authentication is required

8

Which of the following application layer protocols correctly match the corresponding functions? (Select two items)
<Input type = "checkbox" value = "560947" name = "RESPONSE_MCMA_it_126772">	DNS dynamically allocates IP addresses to hosts
<Input checked = "checked" type = "checkbox" value = "560948" name = "RESPONSE_MCMA_it_126772">	HTTP transfers data from the Web server to the client
<Input type = "checkbox" value = "560949" name = "RESPONSE_MCMA_it_126772">	POP delivers emails from the client to the email server
<Input type = "checkbox" value = "560950" name = "RESPONSE_MCMA_it_126772">	SMTP supports file sharing
<Input checked = "checked" type = "checkbox" value = "560951" name = "RESPONSE_MCMA_it_126772">	Telnet provides a virtual connection for remote access

9

Which email components are used to forward emails between servers? (Select two items)
<Input type = "checkbox" value = "560972" name = "RESPONSE_MCMA_it_126777">	MDA
<Input type = "checkbox" value = "560973" name = "RESPONSE_MCMA_it_126777">	IMAP
<Input checked = "checked" type = "checkbox" value = "560974" name = "RESPONSE_MCMA_it_126777">	MTA
<Input type = "checkbox" value = "560975" name = "RESPONSE_MCMA_it_126777">	POP
<Input checked = "checked" type = "checkbox" value = "560976" name = "RESPONSE_MCMA_it_126777">	SMTP
<Input type = "checkbox" value = "560977" name = "RESPONSE_MCMA_it_126777">	MUA

10

What are the main disadvantages of telnet compared with SSH?
<Input type = "radio" value = "561005" name = "RESPONSE_MCSA_it_126783">	Not widely used
<Input checked = "checked" type = "radio" value = "561006" name = "RESPONSE_MCSA_it_126783">	Encryption not supported
<Input type = "radio" value = "561007" name = "RESPONSE_MCSA_it_126783">	More network bandwidth consumed
<Input type = "radio" value = "561008" name = "RESPONSE_MCSA_it_126783">	Authentication Not Supported

11

Which of the following statements about the role of MTA in email processing are true? (Select three items)
<Input type = "checkbox" value = "561327" name = "RESPONSE_MCMA_it_126848">	Route the email to the MDA on another server
<Input checked = "checked" type = "checkbox" value = "561328" name = "RESPONSE_MCMA_it_126848">	Receive email from MUA on the client
<Input type = "checkbox" value = "561329" name = "RESPONSE_MCMA_it_126848">	Receive emails through POP3 protocol
<Input checked = "checked" type = "checkbox" value = "561330" name = "RESPONSE_MCMA_it_126848">	Send email to MDA for final delivery
<Input checked = "checked" type = "checkbox" value = "561331" name = "RESPONSE_MCMA_it_126848">	Use SMTP to route emails between servers
<Input type = "checkbox" value = "561332" name = "RESPONSE_MCMA_it_126848">	Send emails to clients through POP3 protocol

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13

To connect the three computers together for Game and file sharing, a small home network has been installed. Which of the following two attributes represent the network type? (Select two items)
<Input type = "checkbox" value = "560931" name = "RESPONSE_MCMA_it_126769">	Centralized management of user accounts.
<Input checked = "checked" type = "checkbox" value = "560932" name = "RESPONSE_MCMA_it_126769">	It is difficult to perform security management.
<Input type = "checkbox" value = "560933" name = "RESPONSE_MCMA_it_126769">	Dedicated operating system software is required.
<Input type = "checkbox" value = "560934" name = "RESPONSE_MCMA_it_126769">	A computer controls file access permissions.
<Input checked = "checked" type = "checkbox" value = "560935" name = "RESPONSE_MCMA_it_126769">	Computers responding to file sharing requests play the role of servers

14

Which layer of the OSI model provides services that allow users to connect to the network?
<Input type = "radio" value = "560987" name = "RESPONSE_MCSA_it_126780">	Physical Layer
<Input type = "radio" value = "560988" name = "RESPONSE_MCSA_it_126780">	Session Layer
<Input type = "radio" value = "560989" name = "RESPONSE_MCSA_it_126780">	Network Layer
<Input type = "radio" value = "560990" name = "RESPONSE_MCSA_it_126780">	Presentation Layer
<Input checked = "checked" type = "radio" value = "560991" name = "RESPONSE_MCSA_it_126780">	Application Layer
<Input type = "radio" value = "560992" name = "RESPONSE_MCSA_it_126780">	Transport Layer

15

See the figure below. What is the destination port for communication shown in row 5th?
<Input checked = "checked" type = "radio" value = "560982" name = "RESPONSE_MCSA_it_126779">	80
<Input type = "radio" value = "560983" name = "RESPONSE_MCSA_it_126779">	1261
<Input type = "radio" value = "560984" name = "RESPONSE_MCSA_it_126779">	15533
<Input type = "radio" value = "560985" name = "RESPONSE_MCSA_it_126779">	3912
<Input type = "radio" value = "560986" name = "RESPONSE_MCSA_it_126779">	65520

16

Which of the following are the characteristics of point-to-point networks? (Select two items)
<Input type = "checkbox" value = "561686" name = "RESPONSE_MCMA_it_126923">	Scalable
<Input type = "checkbox" value = "561687" name = "RESPONSE_MCMA_it_126923">	Unidirectional data stream
<Input checked = "checked" type = "checkbox" value = "561688" name = "RESPONSE_MCMA_it_126923">	Scattered Resources
<Input type = "checkbox" value = "561689" name = "RESPONSE_MCMA_it_126923">	Centralized user account
<Input checked = "checked" type = "checkbox" value = "561690" name = "RESPONSE_MCMA_it_126923">	You can share resources without using dedicated servers.

17

Which application layer protocol specifies the services used for file sharing in Microsoft Network?
<Input type = "radio" value = "561691" name = "RESPONSE_MCSA_it_126924">	DHCP
<Input type = "radio" value = "561692" name = "RESPONSE_MCSA_it_126924">	DNS
<Input checked = "checked" type = "radio" value = "561693" name = "RESPONSE_MCSA_it_126924">	SMB
<Input type = "radio" value = "561694" name = "RESPONSE_MCSA_it_126924">	SMTP
<Input type = "radio" value = "561695" name = "RESPONSE_MCSA_it_126924">	Telnet

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19

What is the role of the OSI application layer?
<Input type = "radio" value = "561048" name = "RESPONSE_MCSA_it_126792">	Provides data segmentation
<Input type = "radio" value = "561049" name = "RESPONSE_MCSA_it_126792">	Data Encryption and conversion
<Input checked = "checked" type = "radio" value = "561050" name = "RESPONSE_MCSA_it_126792">	Provides interfaces between applications on any network terminal.
<Input type = "radio" value = "561051" name = "RESPONSE_MCSA_it_126792">	Controls all data flowing between the source device and the target device

20

How does the application layer on the server normally process multi-Client Service requests?
<Input type = "radio" value = "561348" name = "RESPONSE_MCSA_it_126852">	Terminate all connections to the service
<Input type = "radio" value = "561349" name = "RESPONSE_MCSA_it_126852">	Deny multiple connections to a single daemon
<Input type = "radio" value = "561350" name = "RESPONSE_MCSA_it_126852">	Pause the current connection and create a new connection
<Input checked = "checked" type = "radio" value = "561351" name = "RESPONSE_MCSA_it_126852">	Use the support of the next layer to differentiate service connections