CCNA 1 Chapter 3
1.
What application layer protocol is commonly used to support for file transfers
between a client and a server?
HTML
HTTP
FTP
Telnet
2.
What are two forms of application layer software? (Choose two.)
applications
dialogs
requests
services
syntax
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
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
5.
What is the automated service that matches resource names with the required IP
address?
HTTP
SSH
FQDN
DNS
Telnet
SMTP
6.
What three protocols operate at the Application layer of the OSI model? (Choose
three.)
ARP
DNS
PPP
SMTP
POP
ICMP
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.
8.
Which application layer protocols correctly match a corresponding function?
(Choose two.)
DNS dynamically allocates IP
addresses to hosts
POP delivers email from the client
to the server email server
SMTP supports file sharing
Telnet provides a virtual
connection for remote access
9.
Which email components are used to forward mail between servers? (Choose two.)
MDA
IMAP
MTA
POP
SMTP
MUA
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
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
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
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.
14.
Which layer of the OSI model supplies services that allow user to interface
with the network?
physical
session
network
presentation
application
transport
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Refer to the exhibit. What is the
destination port for the communication that is represented on line 5?
80
1261
15533
3912
65520
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
17.
What application layer protocol describes the services that are used for file
sharing in Microsoft networks?
DHCP
DNS
SMB
SMTP
Telnet
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
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
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
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