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NCTI TECH 4 TO 5 TEST STUDY GUIDE QUESTIONS WITH VERIFIED ANSWERS ALREADY GRADED A+
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NCTI TECH 4 TO 5 TEST STUDY GUIDE QUESTIONS WITH VERIFIED ANSWERS ALREADY GRADED A+
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Name: Score:80 Multiple choice questions
Term 1 of 80
What term describes the number of wave crests that pass a fixed point during a particular
period of time?
Data Representation
Frequency
Wavelength
Amplitude
Term 2 of 80
Which of the following acronyms is defined as a forwarding behavior a node applies to a
packet based on the packet's condition? The packet's Differentiated Services Code Points
(DSCP) indicates the particular _____ a packet should receive as it passes from hop to hop.
Establish The Symptoms*
PHB*
Echo*
Ping*
Term 3 of 80
In data networking, ________ describes the characteristics of a transmission link, such as
throughput, setup time, or accuracy.
Transmission control protocol (tcp)
Dense mode (dm)*
Quality of service (QoS)
Attenuation*
,Term 4 of 80
When a repeater receives a bit pattern at its input, what does it do?
Increase the availability of tie lines***
The network becomes congested with duplicate frames*
The destination SSP rings the destination subscriber telephone set*
It generates the same pattern at its output, at a higher power level*
Term 5 of 80
Transport layer processes work with transmission channels using multiplexing and ___________
techniques.
Parallelization
Attenuation*
Internetwork Layer
Filtering*
Term 6 of 80
Admission control protocols, authentication mechanisms, and _______ are three ways
communication networks provide admission control.
Access Control Lists (ACLs)*
Filtering*
Domain Name Server (dns)**
Dense mode (dm)*
,Term 7 of 80
Scenario: As you are connecting the office computers, you use one patch cord to connect
each patch panel port to a hub port, and another patch cord to connect each work area port
to a PC. You power up all the PCs and look at the hub port status indicators. All but one port
shows green. What is the first troubleshooting step you should take?
Phb*
Http server*
Establish the symptoms*
Ping*
Term 8 of 80
What Protocol Independent Multicast (PIM) is designed to support large, densely populated
multicast groups?
Determining Endpoint availability*
Domain name server (dns)**
Access control lists (acls)*
Dense Mode (DM)*
Term 9 of 80
What are Subscriber Line Carrier (SLC) circuits used for?
Increase the availability of tie lines***
Filtering*
Attenuation*
Switches effectively multiply the network's bandwidth*
, Term 10 of 80
What is happening in step 8 of the SS7-VoIP Gateway Call Progress?
The network becomes congested with duplicate frames*
Provides a semi-permanent path for voice and data signals*
Switches effectively multiply the network's bandwidth*
The destination SSP rings the destination subscriber telephone set*
Term 11 of 80
What voice issue is a normal occurrence on the PSTN and other voice networks, and occurs as
a result of network delay and the two- to four-wire conversion process?
Policy-based*
Bye*
Phb*
Echo*
Term 12 of 80
Which of the following is an example of a Transport Layer protocol?
192.168.40.15**
Transmission Control Protocol (TCP)
Trivial file transfer protocol (tftp)*
Domain Name Server (dns)**
Term 13 of 80
Which type of address is unique anywhere in the world?
Ethernet
Data link
NIC address
Ip address and mac address
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