Exam (elaborations)
Final Exam: Progression: Field Tech III - IV Final
Final Exam: Progression: Field Tech III - IV Final
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Final Exam: Progression: Field Tech III - IVFinal
The open system interconnection reference model (OSI/R<) Network layer
serves which primary function? - -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 internal protocol (IP)
address? - -Router
-The network layer must do what to a recieved frame, 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 data link layer
-Which layer of the open system interconnection reference modle (OSI/RM)
would you suspect as being the problem when packets arriving at the server
but no information is being returned to the client? - -The transport 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 physical layer.
-Which of the following protocols allows email clients to download their
messages from an email server? - -Post office protocol version 3 (POP3)
-Hypertext transfer protocol (HTTP) is what type of protocol? - -Stateless
-On the file transfer protocol (FTP) server, what manages client requests for
file retrieval or transmission? - -A daemon
, -What are the primary requirements to connect a transmission control
protocol/ internet protocol (TCP/IP) network? - -Unique pairs of network layer
and transport layer addresses and use of the TCP/IP protocol suit.
-What type of delivery method uses an email server between the sender and
the receiver of messages? - -Store-and-forward
-Host names and uniform resource locators (URL) are resolved to internet
protocol (IP) addresses by which of the following? - -Domain Name System
(DNS)
-What happens when the browser application finishes the downloading the
files necessary to display a web page? - -The browser server drop the
connections, and the browser maintains th epage and its elements in local
memory.
-Which email protocol enables the messages to be viewed without first
downloading them from the email server? - -Internet Message
AccessPprotocol version 4 (IMAP4)
-What type of server maintains an access log to assist with troubleshooting
and tracking down malicious users? - -File transfer Protocol Server (FTP)
-A store and forward email system will not deliver messages until - -The
host requests the information
-What is the binary equivalent of decimal 136? - -10001000
-Convert the internet protocol (IP) address 172.68.10.2 from decimal to
binary. - -10101100.01000100.00001010.000000010
-Convert the binary internet protocol (IP) address
01110011.11001000.00101100.00000010 to decimal. - -115.200.44.2
-Which is the result of ANDing the internet protocol (IP) address
23.176.224.18 with the subnet mask 255.224.0.0? - -23.160.0.0
-Which represents the prefix bits for the subnet mask 255.255.0.0 - -/16
-if we borrow 3 bits from a class C network address, how many usable
subnets have we created? - -8
-What isolates an internet protocol (IP) address's network portion from its
host portion? - -A network mask
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