Cisco CCNA Chapter 3 answers for the first semester, Cisco ccna for the first semester

Cisco CCNA Chapter 3 answers for the first semester, Cisco ccna for the first semester

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

1

2

What are the two forms of application layer software? (Select two items)
	Applications
	Dialog
	Request
	Service
	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)
	Centralized Management
	No special software required
	Easier Security Management
	Lower implementation cost
	Single fault point

4

What is the role of resource records in DNS?
	Temporarily save resolved entries
	The server uses its DNS domain name
	Sent by the client during Query
	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?
	HTTP
	SSH
	FQDN
	DNS
	Telnet
	SMTP

6

Which of the following protocols work at the application layer of the OSI model? (Select three items)
	ARP
	DNS
	PPP
	SMTP
	POP
	ICMP

7

Which of the following are the attributes of point-to-point applications? (Select three items .)
	In the same communication, both the client and the server
	Accounts need to be centrally managed
	Adopts the hybrid mode and uses a central file directory
	Can be used in the client server network
	Requires direct physical connection between devices
	Centralized identity authentication is required

8

Which of the following application layer protocols correctly match the corresponding functions? (Select two items)
	DNS dynamically allocates IP addresses to hosts
	HTTP transfers data from the Web server to the client
	POP delivers emails from the client to the email server
	SMTP supports file sharing
	Telnet provides a virtual connection for remote access

9

Which email components are used to forward emails between servers? (Select two items)
	MDA
	IMAP
	MTA
	POP
	SMTP
	MUA

10

What are the main disadvantages of telnet compared with SSH?
	Not widely used
	Encryption not supported
	More network bandwidth consumed
	Authentication Not Supported

11

Which of the following statements about the role of MTA in email processing are true? (Select three items)
	Route the email to the MDA on another server
	Receive email from MUA on the client
	Receive emails through POP3 protocol
	Send email to MDA for final delivery
	Use SMTP to route emails between servers
	Send emails to clients through POP3 protocol

12

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)
	Centralized management of user accounts.
	It is difficult to perform security management.
	Dedicated operating system software is required.
	A computer controls file access permissions.
	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?
	Physical Layer
	Session Layer
	Network Layer
	Presentation Layer
	Application Layer
	Transport Layer

15

See the figure below. What is the destination port for communication shown in row 5th?
	80
	1261
	15533
	3912
	65520

16

Which of the following are the characteristics of point-to-point networks? (Select two items)
	Scalable
	Unidirectional data stream
	Scattered Resources
	Centralized user account
	You can share resources without using dedicated servers.

17

Which application layer protocol specifies the services used for file sharing in Microsoft Network?
	DHCP
	DNS
	SMB
	SMTP
	Telnet

18

19

What is the role of the OSI application layer?
	Provides data segmentation
	Data Encryption and conversion
	Provides interfaces between applications on any network terminal.
	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?
	Terminate all connections to the service
	Deny multiple connections to a single daemon
	Pause the current connection and create a new connection
	Use the support of the next layer to differentiate service connections