Final Exam: Progression: Field Tech III - IV
Final
A repeater operates at which layer of the open systems interconnection reference model
(OSI/RM)? - ANS-The physical layer.
A router makes its packet forwarding decision based on what information? - ANS-The routers
routing table
A store and forward email system will not deliver messages until - ANS-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? - ANS-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? - ANS-50%
By the time the message is transmitted across cable, where will you find an Internet protocol
(IP) packet? - ANS-Inside a frame.
Coarse wavelengh division multiplexing (CWDM) applications were expanded to include use in
large metropolitan networks, utilizing wavelengths in what band? - ANS-E-band
Convert the binary internet protocol (IP) address 01110011.11001000.00101100.00000010 to
decimal. - ANS-115.200.44.2
Convert the internet protocol (IP) address 172.68.10.2 from decimal to binary. -
ANS-10101100.01000100.00001010.000000010
Devices connected to hub share the same: - ANS-Collision domain
Distance Vector Algorithms (DVA) operate in wihch manner? - ANS-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? - ANS-The client request parameters and the server
provides the parameters
Host names and uniform resource locators (URL) are resolved to internet protocol (IP)
addresses by which of the following? - ANS-Domain Name System (DNS)
How are store and forward Ethernet switches different from cut through switches? - ANS-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 - ANS-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? - ANS-The type
field is replaced by the length field.
How would an operator find a list of options available for the ping utility? - ANS-type "ping" from
a command line
Hypertext transfer protocol (HTTP) is what type of protocol? - ANS-Stateless
, if we borrow 3 bits from a class C network address, how many usable subnets have we
created? - ANS-8
In a network mask address, what identifies the network and host portions of the address? -
ANS-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? - ANS-The synchronous transport signal (STS) frame
In simple network management protocol (SNMP), when do passive management agents take
action on their own initiative? - ANS-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? - ANS-Layer five, the application layer containing Cocoa and Carbon.
In what type of installation is wide wavelengh division multiplexing (WWDM) used? - ANS-It is
used in passive optical networks (PON)
Internet Protocol (IP) and x.25 are considered to be which of the following? - ANS-Protocols for
the network layer.
Ipconfig displays which of the following elements of client configuration information? -
ANS-Default gateway
Layer 3 switches do a good job of containing which of the following? - ANS-Broadcasts
On the file transfer protocol (FTP) server, what manages client requests for file retrieval or
transmission? - ANS-A daemon
On which network type is a static route best used? - ANS-stub routing
Port addresses and network addresses are two types of : - ANS-Logical addresses
The address 68.56.189.17 belongs to which internet protocol IP class? - ANS-Class A
The five stages of (1) obtaining logical addresses, (2) obtaining physical addresses, (3)
establishing a connection between applications, (4) the transfer of information, (5) the
termination of the connection are necessary to accomplish what? - ANS-The transfer of
information accross a transmission control protocol/internet protocol (TCP/IP) network
The interaction between processes and protocols forms which of the following? - ANS-A
protocol stack.
The Mac OS/macOS kernel includes which elements? - ANS-A Mach kernel, xnu kernel, and
various Berkeley Software Distribution (BSD) system calls.
The maximum Domain Name System (DNS) domain name length is how many bytes? -
ANS-255
The most commonly used dense wavelength division multiplexing (DWDN) channels in
broadband cable networks are in which band? - ANS-The C-band
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? - ANS-Decapsulate the packet
The open system interconnection reference model (OSI/R<) Network layer serves which primary
function? - ANS-It uses layer 3 addresses to create multiple routed networks
the physical address of a device is processed by which layer of the open systems
interconnection reference model (OSI/RM)? - ANS-The data link layer
Transmitting messages to a from a sending computer process to a receiving computer process
is the function of which layer of the open system interconnection (OSI) model? - ANS-The
Transport layer.
Final
A repeater operates at which layer of the open systems interconnection reference model
(OSI/RM)? - ANS-The physical layer.
A router makes its packet forwarding decision based on what information? - ANS-The routers
routing table
A store and forward email system will not deliver messages until - ANS-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? - ANS-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? - ANS-50%
By the time the message is transmitted across cable, where will you find an Internet protocol
(IP) packet? - ANS-Inside a frame.
Coarse wavelengh division multiplexing (CWDM) applications were expanded to include use in
large metropolitan networks, utilizing wavelengths in what band? - ANS-E-band
Convert the binary internet protocol (IP) address 01110011.11001000.00101100.00000010 to
decimal. - ANS-115.200.44.2
Convert the internet protocol (IP) address 172.68.10.2 from decimal to binary. -
ANS-10101100.01000100.00001010.000000010
Devices connected to hub share the same: - ANS-Collision domain
Distance Vector Algorithms (DVA) operate in wihch manner? - ANS-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? - ANS-The client request parameters and the server
provides the parameters
Host names and uniform resource locators (URL) are resolved to internet protocol (IP)
addresses by which of the following? - ANS-Domain Name System (DNS)
How are store and forward Ethernet switches different from cut through switches? - ANS-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 - ANS-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? - ANS-The type
field is replaced by the length field.
How would an operator find a list of options available for the ping utility? - ANS-type "ping" from
a command line
Hypertext transfer protocol (HTTP) is what type of protocol? - ANS-Stateless
, if we borrow 3 bits from a class C network address, how many usable subnets have we
created? - ANS-8
In a network mask address, what identifies the network and host portions of the address? -
ANS-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? - ANS-The synchronous transport signal (STS) frame
In simple network management protocol (SNMP), when do passive management agents take
action on their own initiative? - ANS-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? - ANS-Layer five, the application layer containing Cocoa and Carbon.
In what type of installation is wide wavelengh division multiplexing (WWDM) used? - ANS-It is
used in passive optical networks (PON)
Internet Protocol (IP) and x.25 are considered to be which of the following? - ANS-Protocols for
the network layer.
Ipconfig displays which of the following elements of client configuration information? -
ANS-Default gateway
Layer 3 switches do a good job of containing which of the following? - ANS-Broadcasts
On the file transfer protocol (FTP) server, what manages client requests for file retrieval or
transmission? - ANS-A daemon
On which network type is a static route best used? - ANS-stub routing
Port addresses and network addresses are two types of : - ANS-Logical addresses
The address 68.56.189.17 belongs to which internet protocol IP class? - ANS-Class A
The five stages of (1) obtaining logical addresses, (2) obtaining physical addresses, (3)
establishing a connection between applications, (4) the transfer of information, (5) the
termination of the connection are necessary to accomplish what? - ANS-The transfer of
information accross a transmission control protocol/internet protocol (TCP/IP) network
The interaction between processes and protocols forms which of the following? - ANS-A
protocol stack.
The Mac OS/macOS kernel includes which elements? - ANS-A Mach kernel, xnu kernel, and
various Berkeley Software Distribution (BSD) system calls.
The maximum Domain Name System (DNS) domain name length is how many bytes? -
ANS-255
The most commonly used dense wavelength division multiplexing (DWDN) channels in
broadband cable networks are in which band? - ANS-The C-band
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? - ANS-Decapsulate the packet
The open system interconnection reference model (OSI/R<) Network layer serves which primary
function? - ANS-It uses layer 3 addresses to create multiple routed networks
the physical address of a device is processed by which layer of the open systems
interconnection reference model (OSI/RM)? - ANS-The data link layer
Transmitting messages to a from a sending computer process to a receiving computer process
is the function of which layer of the open system interconnection (OSI) model? - ANS-The
Transport layer.
