Nokia Network Routing Specialist I (NRS I) Certification
Exams (Latest 2024/ 2025 Updates STUDY BUNDLE
PACKAGE WITH SOLUTIONS) Questions and Verified
Answers| 100% Correct| Grade A
Which of the following best describes the Presentation layer? - ANSWERTranslates,
encrypts, or prepares data from the Application layer for network transmission.
Which of the following best describes the Network layer? - ANSWERHandles routing
information for data packets.
Which of the following best describes the Session layer? - ANSWEREstablishes,
maintains, and manages sessions between applications.
Which of the following best describes the Transport layer? - ANSWERSegments and
reassembles data and provides either connection oriented or connectionless
communications
Which of the following best describes the Data Link Layer? - ANSWERHandles link
control and uses the MAC address on the network interface card (NIC).
Which of the following best describes the Physical layer? - ANSWERProvides the
electrical and mechanical transmission of data.
Which of the following best describes the Application layer? - ANSWERProvides
network services to the user.
Which of the following accurately describe the Media Access Control (MAC) address?
- ANSWER1. It is a physical number set during the manufacturing process.
2. MAC addresses contain 12 hexadecimal numbers.
3. Computers use this address to uniquely identify themselves on the network.
Which of the following accurately describe the network address? - ANSWER1. This
address is used when routing communications between different network segments.
2. This address is set at layer 3 of the OSI model.
3. An example of this type of address is an IP address
Connection oriented services are also known as __________ services. -
ANSWERReliable
Connectionless services are also called __________ services. - ANSWERUnreliable
Which of the following describes services that receive an acknowledgement from the
destination? - ANSWER1. Reliable
2. Connection-oriented
, Place the following steps of data encapsulation in their correct descending order: -
ANSWER1. Data Conversion
2. Segment header added
3. Packet creation and Network Header
4. Frame headers and trailers added
5. Bit transmission
Which of the following correctly defines a WAN? - ANSWERA network spread over
multiple geographic areas and usually connected by publicly and privately
maintained media.
Which of the following best describes a LAN? - ANSWERA network that is contained
in a single geographic area such as a building or floor in a building.
Which of the following reasons for providing a layered OSI architecture are correct? -
ANSWERTo provide design modularity, which allows upgrades to a specific layer to
remain separate from the other layers.
On a network, computers must use a common __________ in order for
communication to occur. - ANSWERProtocol
Before networks, what did people use to transfer files? - ANSWERSneakernet
A protocol is to a computer as a __________ is to a person. - ANSWERLanguage
Which of the following are network hardware? - ANSWER1. NIC
2. Network media
3. Connectors
Which of the following are network software? - ANSWER1. Components that map to
the Application layer of the OSI model.
2. NOS
All networking vendors follow the OSI model and design seven layer architectures. -
ANSWERFalse
Communications on a network originate at the __________. - ANSWERSource
Transmitted signals are bound for a __________. - ANSWERDestination
Information transmitted on a network is called a __________. - ANSWERData Frame
Which of the following are layers of the OSI model? - ANSWER1. Physical
2. Data Link
Exams (Latest 2024/ 2025 Updates STUDY BUNDLE
PACKAGE WITH SOLUTIONS) Questions and Verified
Answers| 100% Correct| Grade A
Which of the following best describes the Presentation layer? - ANSWERTranslates,
encrypts, or prepares data from the Application layer for network transmission.
Which of the following best describes the Network layer? - ANSWERHandles routing
information for data packets.
Which of the following best describes the Session layer? - ANSWEREstablishes,
maintains, and manages sessions between applications.
Which of the following best describes the Transport layer? - ANSWERSegments and
reassembles data and provides either connection oriented or connectionless
communications
Which of the following best describes the Data Link Layer? - ANSWERHandles link
control and uses the MAC address on the network interface card (NIC).
Which of the following best describes the Physical layer? - ANSWERProvides the
electrical and mechanical transmission of data.
Which of the following best describes the Application layer? - ANSWERProvides
network services to the user.
Which of the following accurately describe the Media Access Control (MAC) address?
- ANSWER1. It is a physical number set during the manufacturing process.
2. MAC addresses contain 12 hexadecimal numbers.
3. Computers use this address to uniquely identify themselves on the network.
Which of the following accurately describe the network address? - ANSWER1. This
address is used when routing communications between different network segments.
2. This address is set at layer 3 of the OSI model.
3. An example of this type of address is an IP address
Connection oriented services are also known as __________ services. -
ANSWERReliable
Connectionless services are also called __________ services. - ANSWERUnreliable
Which of the following describes services that receive an acknowledgement from the
destination? - ANSWER1. Reliable
2. Connection-oriented
, Place the following steps of data encapsulation in their correct descending order: -
ANSWER1. Data Conversion
2. Segment header added
3. Packet creation and Network Header
4. Frame headers and trailers added
5. Bit transmission
Which of the following correctly defines a WAN? - ANSWERA network spread over
multiple geographic areas and usually connected by publicly and privately
maintained media.
Which of the following best describes a LAN? - ANSWERA network that is contained
in a single geographic area such as a building or floor in a building.
Which of the following reasons for providing a layered OSI architecture are correct? -
ANSWERTo provide design modularity, which allows upgrades to a specific layer to
remain separate from the other layers.
On a network, computers must use a common __________ in order for
communication to occur. - ANSWERProtocol
Before networks, what did people use to transfer files? - ANSWERSneakernet
A protocol is to a computer as a __________ is to a person. - ANSWERLanguage
Which of the following are network hardware? - ANSWER1. NIC
2. Network media
3. Connectors
Which of the following are network software? - ANSWER1. Components that map to
the Application layer of the OSI model.
2. NOS
All networking vendors follow the OSI model and design seven layer architectures. -
ANSWERFalse
Communications on a network originate at the __________. - ANSWERSource
Transmitted signals are bound for a __________. - ANSWERDestination
Information transmitted on a network is called a __________. - ANSWERData Frame
Which of the following are layers of the OSI model? - ANSWER1. Physical
2. Data Link
