Cisco first Semester Chapter III answers

Recently, to prepare for the Cisco semester exams, collated the exam answers.

1

2

What are the two forms of application-level software? (select two items)
	application
	Dialog
	request
	service
	syntax

3

The network administrator is designing a network for a new branch office with 25 users. What are the advantages of using the client-server model? (select two items)
	Centralized management
	No special software required
	Easier to perform security management
	Lower implementation costs
	Provides single point of failure

4

What is the role of resource records in DNS?
	Temporarily save resolved entries
	The server uses it to resolve the domain name
	Sent by the client during query
	Transferring authentication information between the server and the client

5

What is the automation service that matches the resource name to the desired IP address?
	HTTP
	Ssh
	Fqdn
	Dns
	Telnet
	Smtp

6

Which of the following three protocols work in the application layer of the OSI model? (select three items)
	Arp
	Dns
	Ppp
	Smtp
	POP
	Icmp

7

Which of the following three items is a point-to-point application's properties? (select three items.) ）
	In the same communication, both the client and the server
	Need to centrally manage accounts
	Using a mixed mode, use a central file directory
	Can be used in the client server network
	Requires a direct physical connection between devices
	Requires a centralized identity certificate

8

Which of the following application layer protocols correctly matches the corresponding features? (select two items)
	DNS dynamically assigns IP addresses to hosts
	HTTP transfers data from the WEB server to the client
	POP distributes e-mail messages from the client to the e-mail server
	SMTP supports file sharing
	Telnet provides remote access to a virtual connection

9

Which e-mail components are used to forward messages between servers? (select two items)
	Mda
	Imap
	Mta
	POP
	Smtp
	MUA

10

What are the main drawbacks of Telnet compared to SSH?
	Not widely used
	Encryption is not supported
	Consume more network bandwidth
	Authentication not supported

11

Which of the following statements is true about the role of the MTA in processing e-mail? (select three items)
	To route an e-mail message to an MDA on another server
	Receive e-mail from the client's MUA
	Receiving e-mail via the POP3 protocol
	Send e-mail to MDA for final distribution
	Use SMTP to route e-mail between servers
	Distributing e-mail to clients via the POP3 protocol

12

13

To connect three computers together for game and file sharing, a small home network has been installed. Which of the following two properties represent this network type? (select two items)
	Centrally manage user accounts.
	It is difficult to perform security management.
	Dedicated operating system software is required.
	The file access permission is controlled by a single computer.
	The computer that responds to file share requests plays the role of the server

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 illustration. What is the destination port for the communication shown in line 5th?
	80
	1261
	15533
	3912
	65520

Which of the following are the characteristics of a point-to-point network? (select two items)
	extensible
	one-way data flow
	dispersed resources
	centralized user account
	shared resources can be used without a dedicated server

17

TD width= "100%" cellpadding= "0" >dns TD width= "100%" cellpadding= "0" >smtp

	dhcp
	smb
	telnet

18

19

What is the role of the OSI application layer?
	Provide data fragmentation
	Provides data encryption and conversion
	Provides interfaces between applications on any terminal of the network
	Provides control over all data flowing between the source device and the destination device

20

How does the application layer on the server typically handle multi-client service requests?
	Terminating all connections to the service
	Deny multiple connections to a single daemon
	Pause the current connection to establish a new connection
	Use the support of the next layer feature to differentiate between different service connections

Cisco first Semester Chapter III answers