NCTI FINAL EXAM PROGRESSION: FIELD TECH III - IV CONVENTIONAL ACTUAL EXAM QUESTIONS AND ANSWERS SCORED A+ The Open Systems Interconnection reference model (OSI/RM) Network Layer serves which primary purpose? - It uses Layer 3 addresses to create multiple routed networks.
The address 68.56.189.17 b...
NCTI FINAL EXAM PROGRESSION: FIELD
TECH III - IV CONVENTIONAL ACTUAL EXAM
QUESTIONS AND ANSWERS SCORED A+
The Open Systems Interconnection reference model (OSI/RM) Network Layer serves
which primary purpose? - It uses Layer 3 addresses to create multiple routed networks.
The address 68.56.189.17 belongs to which Internet protocol (IP) class? - Class A
What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? -
The datagram loops back inside the host and never leaves the network interface card
(NIC).
Which device evaluates and acts upon a packet's Internet protocol (IP) address? -
Router.
The Network Layer must do what to a received frame first, in order to determine the
route over which it will forward the datagram to the next network? - Decapsulate the
packet.
What network information can be determined from a logical Internet protocol (IP)
address? - The host portion and network portion.
The physical address of a device is processed by which layer of the Open Systems
Interconnection reference model (OSI/RM)? - The Physical Layer.
Which layer of the Open Systems Interconnection reference model (OSI/RM) would you
suspect as being the problem when packets are arriving at the server but no information
is being returned to the client? - The Data Link Layer.
All computers running on the transmission control protocol/Internet protocol (TCP/IP)
suite have which of the following in common? - Each computer is assigned its own
Internet protocol (IP) address.
A repeater operates at which layer of the Open Systems Interconnection reference
model (OSI/RM)? - The Transport Layer.
,Which Dynamic Host Configuration Protocol (DHCP) network address allocation
mechanism assigns a host a temporary IP address? - Dynamic
Which two choices are examples of trivial file transfer protocol (TFTP) use? (Choose
two.) - Download router upgrades. And
Software upgrades to IP telephones.
How does the Domain Name System (DNS) resolve fully qualified domain names
(FQDN) to IP addresses? - By looking up the names in an address mapping database.
Which TCP/IP application allows us to transfer files either within a browser or at the
command line? - File transfer protocol (FTP).
Which statement best describes Internet Message Access Protocol (IMAP)? - IMAP
allows users to scan email headers and choose email messages to download from the
email server.
To resolve fully qualified domain names (FQDN) to binary IP addresses, resolvers
contact which type of TCP/IP application server? - Domain Name System (DNS).
Which protocol allows clients to locate and download IP addressing and configuration
information on an automatically renewable (lease) basis? - Dynamic Host Configuration
Protocol (DHCP).
Which TCP/IP application allows a network user to remotely log on and manipulate a
network device? - Telnet.
Which three of the following are Dynamic Host Configuration Protocol (DHCP) address
allocation mechanisms? (Choose three.) - Automatic, Dynamic, Manual
Internet email uses which two protocols? (Choose two.) - Simple Mail Transfer Protocol
(SMTP). And Post Office Protocol version 3 (POP3).
If a Dynamic Host Configuration Protocol (DHCP) client fails to renew its lease at the
50-percent point, what happens next? - It attempts to obtain a lease at 87.5-percent
,lease time.
Of the five trivial file transfer protocol (TFTP) packet types, which three choices below
are TFTP packet types? (Choose three.) - Read request, Write request,
Acknowledgement
If you want to locate a previously saved Uniform Resource Locator (URL) so that you
can quickly return to it as needed, where on the browser toolbar would you look? -
Favorites
, What happens when the browser application finishes downloading the files necessary to
display a web page? - The browser and server drop the connections, and the browser
maintains the page and its elements in memory.
Which best describes why an hypertext transfer protocol (HTTP) server can handle
multiple simultaneous connections? - HTTP is stateless, which means the server has no
knowledge of previous connections after they are dropped.
For what purpose would you choose to run the Telnet application? - To configure a
router
Which three of the following are common Telnet application uses? (Choose three.) -
Connect to an online database, Connect remotely to run a specific application, Connect
to a router for network information
Which file transfer protocol (FTP) command allows you to change directories within a
file listing? - CD
For what application is file transfer protocol (FTP) an excellent choice? - To download
large files.
A file transfer protocol (FTP) server administrator can control server access in which
three ways? (Choose three.) - Make only portions of the drive visible, Control read and
write privileges, Limit file access
Which is the best reason to use the file transfer protocol (FTP) application? - When you
need to pass large files over a slow connection
The file transfer protocol (FTP) server process can run as which two of the following?
(Choose two.) - Daemon, Windows service
As a result of issuing the file transfer protocol (FTP) DIR command, each file listing
entry begins with a "-"; what does the "-" indicate? - The entries are files
Which two choices are TCP/IP email protocols? (Choose two.) - Simple Mail Transfer
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