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CCNA Exploration 4.0: Network Fundamentals - Chapter 3 Exam Answers
1 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

2 Which of the following are benefits of peer-to-peer networks? (Choose three.)
centralized security
* easy to create
very scalable
* no centralized equipment required
* centralized administrator not required
centralized control of assets

3 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

4 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

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 the two forms of application layer software? (Choose two.)
* applications
processes
* services
dialogs
syntax
daemons

8 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
does not require specialized software
centralized authentication is required

9 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
POP delivers email from the client to the server email server
SMTP supports file sharing
Telnet provides a virtual connection for remote access

10 Which are valid DNS resource record types? (Choose three.)
* A
* NS
MTA
* MX
FQDN
MAU

11 Which email components are used to forward mail between servers? (Choose two.)
MDA
IMAP
* MTA
POP
* SMTP
MUA

12 What is the primary disadvantage of telnet?
does not support authentication
consumes network bandwidth
utilizes client resources
not widely available
* does not support encryption
requires remote access

13 What are three common HTTP message types? (Choose three.)
* GET
PUSH
* POST
HTML
UPLOAD
* PUT

14 Which of the following are examples of TCP/IP application layer protocols? (Choose three.)
* a terminal emulation protocol that supports remote console connections with various network devices
a protocol created by IBM that makes it easier for mainframes to connect to remote offices
* a protocol responsible for transporting electronic mail on TCP/IP networks and the Internet
a protocol that controls the rate at which data is sent to another computer
* a protocol that exchanges network management information between a network device and a management console