Chapter 3: Application Layer functionally and protocols Questions and Answers Graded A+
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Chapter 3: Application Layer functionally
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Chapter 3: Application Layer Functionally
The application layer is ........... of the OSI model.
a. Layer 1
b. Layer 3
c. Layer 4
d. Layer 7
D. Layer 7 is the application layer and its components: applications, services and protocols.
The TCP/IP application layer consists roughly of which three OSI layers?
a. Applications, s...
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Chapter 3: Application Layer functionally
and protocols Questions and Answers
Graded A+
The application layer is ........... of the OSI model.
a. Layer 1
b. Layer 3
c. Layer 4
d. Layer 7 - ANSWER D. Layer 7 is the application layer and its components:
applications, services and protocols.
The TCP/IP application layer consists roughly of which three OSI layers?
a. Applications, session, transport
b. application, presentation, session
c. application, transport, network
d. application, network, data link - ANSWER B. The functionality of the TCP/IP
application layer protocols fits roughly into the framework of the top three layers of the
OSI model : application, presentation and session.
HTTP is used t do which of the following?
a. resolve internet names to IP addresses
b. provide remote access to servers and networking devices
c. transfer files that make up the web pages of the World Wide Web
d. Transfer the mail messages and attachments - ANSWER C. Hypertest Transfer
Protocol (HTTP) is used to transfer files that make up the web pages of the World Wide
Web. DNS is used to resolve internet names to IP addresses, and Telnet is used to
provide remote access to servers and networking devices.
Post Office Protocol (POP) uses which port?
a. TCP/UDP port 53
b. TCP port 80
c. TCP port 25
d. UDP port 110 - ANSWER D. Post Office Protocol (POP) uses UDP port 110
What is GET?
a. a client request for data
b. protocol that uploads resources or content to the web server
c. a protocol that uploads information to the server to plain text that can e intercepted
and Read
d. a response from a server - ANSWER A. GET is a client request for data.
, Chapter 3: Application Layer functionally
and protocols Questions and Answers
Graded A+
Which of the most popular network service?
a. HTTP
b. FTP
c Telnet
d. email - ANSWER D. Email the the most popular network service, has revolutionised
how people communicate through its simplicity and speed. Choice A, is incorrect
because HTTP is a protocol, not a service.
FTP requires ......connection (s) between client and server to successfully transfer files
a. 1
b. 2
c. 3
d. 4 - ANSWER B. To successfully transfer files, FTP requires to connections between
the client and the server ; one for commands and replies and another for the actual file
transfer.
DHCP enables clients on a network to do which of the following?
a. have unlimited telephone conversation
b. play back video streams
c. obtain IP addresss
d. Track intermittent denial of service attacks - ANSWER C. The Dynamic Host
Configuration Protocol (DHCP) enables clients on a network to obtain IP addresses and
other information from a DHCP server.
The Linus and UNIX operating systems are SAMBA, which is a version of which
protocol?
a. SMB
b. HTTP
c. FTP
d. SMTP - ANSWER A. The Linus and UNIX operating systems provide a method of
sharing resources with Microsoft networks using a version of SMB called SAMBA.
Which of the following is a connection using Telnet?
a. File transfer protocol (FTP) session
b. Trivial file transfer protocol (TFTP) session
c. Virtual terminal (VTY) session
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