Dicembre 25, 2016   CCNA 1 EXPLORATION, Router Cisco   No comments

CCNA 1 Exploration cisco Quiz Test correct answers CHAPTER 3 domande e risposte corrette del capito 3

Chapter 3 Correct Answers CCNA 1 :

What are two forms of application layer software? (Choose two.)
applications (OK)
dialogsrequests
services (OK)
syntax

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

 

 
What three protocols operate at the Application layer of the OSI model? (Choose three.)
ARP
DNS (OK)
PPP
SMTP (OK)
POP (OK)
ICMP
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 (OK)
POP delivers email from the client to the server email server SMTP supports file sharing
Telnet provides a virtual connection for remote access (OK)

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

not widely available
does not support encryption (OK)
consumes more network bandwidth
does not support authentication

What are three properties of peer-to-peer applications? (Choose three.)
acts as both a client and server within the same communication (OK)
requires centralized account administration
hybrid mode includes a centralized directory of files (OK)
can be used in client-server networks (OK)
requires a direct physical connection between devicescentralized authentication is required
Which email components are used to forward mail between servers? (Choose two.)
MDA
IMAP
MTA (OK)
POP
SMTP (OK)
MUA
What application layer protocol describes the services that are used for file sharing in Microsoft networks?
DHCP
DNS
SMB (OK)
SMTP
Telnet

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 (OK)
receives email via the POP3 protocol
passes email to the MDA for final delivery (OK)
uses SMTP to route email between servers (OK)
delivers email to clients via the POP3 protocol
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 (OK)
Which layer of the OSI model supplies services that allow user to interface with the network?
physical
session
network
presentation
application (OK)
transport
What is the automated service that matches resource names with the required IP address?
HTTP
SSHF
QDN
DNS (OK)
Telnet
SMTP
ccna 1 chapter 3 esame cisco

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

80 (OK)
1261
15533
3912
65520
What are two characteristics of peer-to-peer networks? (Choose two.)
scalableone way data flow
decentralized resources (OK)
centralized user accounts
resource sharing without a dedicated server (OK)
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 (OK)
does not require specialized software
security is easier to enforce (OK)
lower cost implementation provides a single point of failure
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 (OK)
HTTPS (OK)
IP
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  (OK)
provides control of all the data flowing between the source and destination devices

A small home network has been installed to interconnect three computers together for gaming and file sharing. What two propertiesrepresent this network type? (Choose two.)

 

User accounts are centralized.
Security is difficult to enforce. (OK)
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. (OK)
What application layer protocol is commonly used to support for file transfers between a client and a server?
HTML
HTTP
FTP (OK)
Telnet
What are two characteristics of clients in data networks? (Choose two.)
use daemons
initiate data exchanges (OK)
are repositories of data
may upload data to servers (OK)
listen for requests from servers

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