Nokia Network Routing Specialist I (NRS
I) Certification Exam Questions and
Answers Graded A+
Which TCP/IP layer is responsible for path determination and end-to-end
forwarding of datagrams? a. The Application layer b. The Transport layer c. The
Internet layer d. The Link layer - Correct answer-c. The Internet layer
What information is part of the encapsulation done at the Link layer? a. Source and
destination MAC addresses b. Source and destination IP addresses c. Source and
destination port numbers d. Source and destination email addresses - Correct
answer-a. Source and destination MAC addresses
Which of the following is NOT a function of the control plane in a router? a. To
exchange control messages with other routers b. To collaborate with other routers
to find the best way to forward data packets c. To populate the routing table and the
tunnel table d. To forward data packets towards their destination - Correct answer-
d. To forward data packets towards their destination
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, Which of the following shows a typical data packet flow when egressing a Nokia
7750 SR? a. SF/CPM -> MDA -> IOM -> SFP b. SF/CPM -> SFP -> IOM ->
MDA c. SF/CPM -> IOM -> MDA -> SFP d. MDA -> IOM -> SF/CPM -> SFP -
Correct answer-c. SF/CPM -> IOM -> MDA -> SFP
Which of the following about MD-CLI is FALSE? a. MD-CLI allows atomic
transactions. b. Multiple users may edit the global candidate configuration
concurrently. c. Configuration changes are activated when a candidate
configuration datastore is committed. d. Uncommitted configuration changes are
saved when a user exits the private configuration edit mode. - Correct answer-d.
Uncommitted configuration changes are saved when a user exits the private
configuration edit mode.
If one user is in the private configuration edit mode and another one is in the read-
only configuration edit mode, which candidate configuration datastore do they
have access to? a. Both users have access to the global configuration datastore. b.
Both users have access to the same private configuration datastore. c. The read-
only user has access to the global configuration datastore and the private user has
access to its own configuration datastore. d. The read-only user has access to the
running configuration datastore and the private user has access to the global
configuration datastore. - Correct answer-c. The read-only user has access to the
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I) Certification Exam Questions and
Answers Graded A+
Which TCP/IP layer is responsible for path determination and end-to-end
forwarding of datagrams? a. The Application layer b. The Transport layer c. The
Internet layer d. The Link layer - Correct answer-c. The Internet layer
What information is part of the encapsulation done at the Link layer? a. Source and
destination MAC addresses b. Source and destination IP addresses c. Source and
destination port numbers d. Source and destination email addresses - Correct
answer-a. Source and destination MAC addresses
Which of the following is NOT a function of the control plane in a router? a. To
exchange control messages with other routers b. To collaborate with other routers
to find the best way to forward data packets c. To populate the routing table and the
tunnel table d. To forward data packets towards their destination - Correct answer-
d. To forward data packets towards their destination
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, Which of the following shows a typical data packet flow when egressing a Nokia
7750 SR? a. SF/CPM -> MDA -> IOM -> SFP b. SF/CPM -> SFP -> IOM ->
MDA c. SF/CPM -> IOM -> MDA -> SFP d. MDA -> IOM -> SF/CPM -> SFP -
Correct answer-c. SF/CPM -> IOM -> MDA -> SFP
Which of the following about MD-CLI is FALSE? a. MD-CLI allows atomic
transactions. b. Multiple users may edit the global candidate configuration
concurrently. c. Configuration changes are activated when a candidate
configuration datastore is committed. d. Uncommitted configuration changes are
saved when a user exits the private configuration edit mode. - Correct answer-d.
Uncommitted configuration changes are saved when a user exits the private
configuration edit mode.
If one user is in the private configuration edit mode and another one is in the read-
only configuration edit mode, which candidate configuration datastore do they
have access to? a. Both users have access to the global configuration datastore. b.
Both users have access to the same private configuration datastore. c. The read-
only user has access to the global configuration datastore and the private user has
access to its own configuration datastore. d. The read-only user has access to the
running configuration datastore and the private user has access to the global
configuration datastore. - Correct answer-c. The read-only user has access to the
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
