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Final Exam Progression Field Tech III - IV Final Latest Update - Actual Exam 150 Questions and 100% Verified Correct Answers Guaranteed A+
A repeater operates at which layer of the open systems interconnection reference
model (OSI/RM)? - CORRECT ANSWER: The physical layer.
A router makes its packet forwarding decision based on what information? - CORRECT
ANSWER: The routers routing table
A store and forward email system will not deliver messages until - CORRECT
ANSWER: The host requests the information
All computers running on the transmission control protocol/internet protocol (TCP/IP)
suite have which of the following in common? - CORRECT ANSWER: Each computer is
assigned its own internet protocol (IP) address
At which point in the Dynamic Host Configuration Protocol (DHCP) lease dos the client
first attempt to renew its lease? - CORRECT ANSWER: 50%
By the time the message is transmitted across cable, where will you find an Internet
protocol (IP) packet? - CORRECT ANSWER: Inside a frame.
Coarse wavelengh division multiplexing (CWDM) applications were expanded to include use in large metropolitan networks, utilizing wavelengths in what band? - CORRECT
ANSWER: E-band
Convert the binary internet protocol (IP) address
01110011.11001000.00101100.00000010 to decimal. - CORRECT ANSWER:
115.200.44.2
Convert the internet protocol (IP) address 172.68.10.2 from decimal to binary. -
CORRECT ANSWER: 10101100.01000100.00001010.000000010
Devices connected to hub share the same: - CORRECT ANSWER: Collision domain
Distance Vector Algorithms (DVA) operate in wihch manner? - CORRECT ANSWER:
They advertise their routing tables directly to directly connected neighbor routers.
For Dynamic Host Configuration Protocol (DHCP) , what are the hosts requesting and
supplying the configuration parameters called? - CORRECT ANSWER: The client
request parameters and the server provides the parameters 1 / 2
Host names and uniform resource locators (URL) are resolved to internet protocol (IP)
addresses by which of the following? - CORRECT ANSWER: Domain Name System
(DNS)
How are store and forward Ethernet switches different from cut through switches? -
CORRECT ANSWER: Store and forward switches are more accurate, but cut through
switches are faster.
How does frequency division multiplexing (FDM) enable multiple signals to share a
common medium - CORRECT ANSWER: By assigning each a specific frequency or
band of frequencies called a channel
How does IEEE 802.3 frame format differ from Ethernet version 2 frame format? -
CORRECT ANSWER: The type field is replaced by the length field.
How would an operator find a list of options available for the ping utility? - CORRECT
ANSWER: type "ping" from a command line
Hypertext transfer protocol (HTTP) is what type of protocol? - CORRECT ANSWER:
Stateless
if we borrow 3 bits from a class C network address, how many usable subnets have we
created? - CORRECT ANSWER: 8
In a network mask address, what identifies the network and host portions of the address? - CORRECT ANSWER: The network portion of the net mask is set to all ones, and the host is set to all zeros
in a synchronous optical network (SONET) what is the basis building block having a
data transmission rate of 51.85 Mbps? - CORRECT ANSWER: The synchronous
transport signal (STS) frame
In simple network management protocol (SNMP), when do passive management agents take action on their own initiative? - CORRECT ANSWER: when certain well-defined error conditions occur the generate an unsolicited message called a trap.
In the five layer hierarchy of Apple's operating systems, Mac OS X/macOs, which layer
is most complex? - CORRECT ANSWER: Layer five, the application layer containing
Cocoa and Carbon.
In what type of installation is wide wavelengh division multiplexing (WWDM) used? -
CORRECT ANSWER: It is used in passive optical networks (PON)
Internet Protocol (IP) and x.25 are considered to be which of the following? - CORRECT
ANSWER: Protocols for the network layer.
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