Chapter 3 Flashcards
What application layer protocol is commonly used to support for file transfers between a client and a server?
HTML
HTTP
FTP
Telnet
FTP
What are two forms of application layer software? (Choose two.)
applications
dialogs
requests
services
syntax
applications
services
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
centralized administration
security is easier to enforce
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
used by the server to resolve names
What is the automated service that matches resource names with the required IP address?
- HTTP
- SSH
- FQDN
- DNS
- Telnet
- SMTP
DNS
What three protocols operate at the Application layer of the OSI model? (Choose three.)
- ARP
- DNS
- PPP
- SMTP
- POP
- ICMP
DNS
SMTP
POP
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
acts as both a client and server within the same communication.
hybrid mode includes a centralized directory of files.
can be used in client-server networks.
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
HTTP transfers data from a web server to a client
Telnet provides a virtual connection for remote access
Which email components are used to forward mail between servers? (Choose two.)
- MDA
- IMAP
- MTA
- POP
- SMTP
- MUA
MTA
SMTP
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
does not support encryption
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
receives email from the client’s MUA
passes email to the MDA for final delivery
uses SMTP to route email between servers
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
HTTP
HTTPS
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.
Security is difficult to enforce
A computer that responds to a file sharing request is functioning as a server.
Which layer of the OSI model supplies services that allow user to interface with the network?
- physical
- session
- network
- presentation
- application
- transport
application
Refer to the exhibit. What is the destination port for the communication that is represented on line 5?
- 80
- 1261
- 15533
- 3912
- 65520
80
