PROTOCOL AND
COMMUNICATIONS FINAL EXAM
QUESTIONS WITH ANSWERS 2024
Which layer of the OSI model uses routers and IP addresses to ensure that packets
arrive at the correct system? - CORRECT ANSWER>>>>Network.
What below does the NIC perform. (Choose all that apply) - CORRECT
ANSWER>>>>Creates Frames, Provides an interface between the PC and the
Network, and Sends/Receives Binary Data.
NICs send and receive binary data as pulses of all of the following. (Choose all that
apply). - CORRECT ANSWER>>>>Electricity, Light, and Radio Waves.
Which layer of the OSI model adds source and destination IP addresses to the packet?
- CORRECT ANSWER>>>>Network.
Which of the following best describes Logical Link Control (LLC)? - CORRECT
ANSWER>>>>It is a Layer 2 protocol.
Which of these statements best describes an Application Program Interface (API)? -
CORRECT ANSWER>>>>It is a set of commands, provided by the manufacturer of an
operating system, which allows programmers to create applications.
Which TCP/IP model layer uses connection-oriented protocols? - CORRECT
ANSWER>>>>Transport.
Router function at which layer of the TCP/IP model? - CORRECT
ANSWER>>>>Internet.
What is the most common use of coaxial cable in networking today? - CORRECT
ANSWER>>>>Connecting a cable modem to an Internet Service Provider (ISP).
Which network topology offers the greatest level of fault tolerance? - CORRECT
ANSWER>>>>Mesh.
A newly hired technician is sent to an alternate site to complete the build out of large
scale LAN. Which of the following tools should the technician have on hand to install the
bulk CAT5e cable? (Select TWO). - CORRECT ANSWER>>>>Crimper and Cable
Tester.
When a collision occurs on a network relying on the CSMA/CD access method, what
alerts the NICs? - CORRECT ANSWER>>>>Overlapping Signals.
, How many wires does the 100BaseT specification use of the total in the cable? -
CORRECT ANSWER>>>>4.
What general type of cabling is a tech most likely to use today when installing Ethernet
cabling in areas with high electrical interference? - CORRECT ANSWER>>>>Fiber
Optic.
For a network to function in full-duplex, which of these devices must support full-duplex?
(Select all that apply.) - CORRECT ANSWER>>>>NIC and Switch.
Of all the Ethernet standards described in the book, which one was most recently
released? - CORRECT ANSWER>>>>100GbE.
What very high-speed fiber network was already in place before the IEEE developed the
10 GbE Ethernet standards? - CORRECT ANSWER>>>>SONET.
Which of the following is a standard fiber connector type? (Choose all that apply) -
CORRECT ANSWER>>>>ST, LC, and SC.
What term is used for the cabling that runs from the telecommunications room to the
PCs? - CORRECT ANSWER>>>>Horizontal Cabling.
Which of the following is an accurate description of the differences between stranded
core and solid core cabling? (Choose all that apply) - CORRECT ANSWER>>>>Solid
core is stiff and will break more easily than stranded core, Stranded core is a bundle of
tiny wire strands, while solid core has only a single solid wire, and Solid core is a better
conductor than stranded core.
Which of the following types of connectors is used with a CAT5e Ethernet cable? -
CORRECT ANSWER>>>>RJ-45.
What do most professional cable installers use to quote the price for an installation? -
CORRECT ANSWER>>>>The Number of Drops.
What was the most difficult process below in making a network cable? - CORRECT
ANSWER>>>>Aligning the wires to slide in connector.
Of the following, select only those conditions that are issues when dealing with fiber-
optic cabling. (Select all that apply.) - CORRECT ANSWER>>>>Modal Distortion, Light
Leakage, and Attenuation.
Which of the following is true about standard equipment racks? (Choose all that apply) -
CORRECT ANSWER>>>>Equipment racks come in various heights, from two or three
feet high to floor-to-ceiling height, All equipment racks are 19 inches wide, and They
provide safe platforms for all the different components.
COMMUNICATIONS FINAL EXAM
QUESTIONS WITH ANSWERS 2024
Which layer of the OSI model uses routers and IP addresses to ensure that packets
arrive at the correct system? - CORRECT ANSWER>>>>Network.
What below does the NIC perform. (Choose all that apply) - CORRECT
ANSWER>>>>Creates Frames, Provides an interface between the PC and the
Network, and Sends/Receives Binary Data.
NICs send and receive binary data as pulses of all of the following. (Choose all that
apply). - CORRECT ANSWER>>>>Electricity, Light, and Radio Waves.
Which layer of the OSI model adds source and destination IP addresses to the packet?
- CORRECT ANSWER>>>>Network.
Which of the following best describes Logical Link Control (LLC)? - CORRECT
ANSWER>>>>It is a Layer 2 protocol.
Which of these statements best describes an Application Program Interface (API)? -
CORRECT ANSWER>>>>It is a set of commands, provided by the manufacturer of an
operating system, which allows programmers to create applications.
Which TCP/IP model layer uses connection-oriented protocols? - CORRECT
ANSWER>>>>Transport.
Router function at which layer of the TCP/IP model? - CORRECT
ANSWER>>>>Internet.
What is the most common use of coaxial cable in networking today? - CORRECT
ANSWER>>>>Connecting a cable modem to an Internet Service Provider (ISP).
Which network topology offers the greatest level of fault tolerance? - CORRECT
ANSWER>>>>Mesh.
A newly hired technician is sent to an alternate site to complete the build out of large
scale LAN. Which of the following tools should the technician have on hand to install the
bulk CAT5e cable? (Select TWO). - CORRECT ANSWER>>>>Crimper and Cable
Tester.
When a collision occurs on a network relying on the CSMA/CD access method, what
alerts the NICs? - CORRECT ANSWER>>>>Overlapping Signals.
, How many wires does the 100BaseT specification use of the total in the cable? -
CORRECT ANSWER>>>>4.
What general type of cabling is a tech most likely to use today when installing Ethernet
cabling in areas with high electrical interference? - CORRECT ANSWER>>>>Fiber
Optic.
For a network to function in full-duplex, which of these devices must support full-duplex?
(Select all that apply.) - CORRECT ANSWER>>>>NIC and Switch.
Of all the Ethernet standards described in the book, which one was most recently
released? - CORRECT ANSWER>>>>100GbE.
What very high-speed fiber network was already in place before the IEEE developed the
10 GbE Ethernet standards? - CORRECT ANSWER>>>>SONET.
Which of the following is a standard fiber connector type? (Choose all that apply) -
CORRECT ANSWER>>>>ST, LC, and SC.
What term is used for the cabling that runs from the telecommunications room to the
PCs? - CORRECT ANSWER>>>>Horizontal Cabling.
Which of the following is an accurate description of the differences between stranded
core and solid core cabling? (Choose all that apply) - CORRECT ANSWER>>>>Solid
core is stiff and will break more easily than stranded core, Stranded core is a bundle of
tiny wire strands, while solid core has only a single solid wire, and Solid core is a better
conductor than stranded core.
Which of the following types of connectors is used with a CAT5e Ethernet cable? -
CORRECT ANSWER>>>>RJ-45.
What do most professional cable installers use to quote the price for an installation? -
CORRECT ANSWER>>>>The Number of Drops.
What was the most difficult process below in making a network cable? - CORRECT
ANSWER>>>>Aligning the wires to slide in connector.
Of the following, select only those conditions that are issues when dealing with fiber-
optic cabling. (Select all that apply.) - CORRECT ANSWER>>>>Modal Distortion, Light
Leakage, and Attenuation.
Which of the following is true about standard equipment racks? (Choose all that apply) -
CORRECT ANSWER>>>>Equipment racks come in various heights, from two or three
feet high to floor-to-ceiling height, All equipment racks are 19 inches wide, and They
provide safe platforms for all the different components.
