Nokia Network Routing Specialist I
(NRS I) Certification Questions and
Answers | Latest Update
2025/2026
1.1 Which of the following is the physical infrastructure that
provides interconnections between ISPs?
a. A demarcation point
b. An Internet exchange point
c. A central office
d. A point of presence
CORRECT ANSWER: b. An Internet exchange point
1.2 Which of the following provides physical separation
between service provider and customer responsibilities?
a. A provider edge router
b. An Internet exchange point
c. A demarcation point
d. A point of presence
CORRECT ANSWER: c. A demarcation point
1.3 Which TCP/IP layer is responsible for path determination
and end-to-end forwarding of datagrams?
a. The application services layer
b. The transport layer
,c. The Internet protocol layer
d. The network interface layer
CORRECT ANSWER: c. The Internet
protocol layer
1.4 What information is part of the encapsulation done at the
network interface 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
2.1 Which of the following shows a typical data packet flow
when egressing an 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
2.2 Which of the following is not a recommended usage
of the compact flashes on an Nokia 7750 SR?
a. Using CF 1 to store debug logs.
, b. Using CF 2 to store debug logs.
c. Using CF 3 to store accounting logs.
d. Using CF 3 to store system files.
CORRECT ANSWER: c. Using CF 3 to store accounting logs.
2.3 Which of the following displays a hierarchical CLI
command structure at the current context level?
a. show
b. info
c. tree
d. help
CORRECT ANSWER: c. tree
2.4 Which of the following is NOT a valid log destination in
an Nokia 7750 SR?
a. Main
b. Session
c. Syslog
d. Console
CORRECT ANSWER: a. Main
2.5 Which one of the following log-IDs is typically reserved
for Network Management on an Nokia 7750 SR
(NRS I) Certification Questions and
Answers | Latest Update
2025/2026
1.1 Which of the following is the physical infrastructure that
provides interconnections between ISPs?
a. A demarcation point
b. An Internet exchange point
c. A central office
d. A point of presence
CORRECT ANSWER: b. An Internet exchange point
1.2 Which of the following provides physical separation
between service provider and customer responsibilities?
a. A provider edge router
b. An Internet exchange point
c. A demarcation point
d. A point of presence
CORRECT ANSWER: c. A demarcation point
1.3 Which TCP/IP layer is responsible for path determination
and end-to-end forwarding of datagrams?
a. The application services layer
b. The transport layer
,c. The Internet protocol layer
d. The network interface layer
CORRECT ANSWER: c. The Internet
protocol layer
1.4 What information is part of the encapsulation done at the
network interface 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
2.1 Which of the following shows a typical data packet flow
when egressing an 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
2.2 Which of the following is not a recommended usage
of the compact flashes on an Nokia 7750 SR?
a. Using CF 1 to store debug logs.
, b. Using CF 2 to store debug logs.
c. Using CF 3 to store accounting logs.
d. Using CF 3 to store system files.
CORRECT ANSWER: c. Using CF 3 to store accounting logs.
2.3 Which of the following displays a hierarchical CLI
command structure at the current context level?
a. show
b. info
c. tree
d. help
CORRECT ANSWER: c. tree
2.4 Which of the following is NOT a valid log destination in
an Nokia 7750 SR?
a. Main
b. Session
c. Syslog
d. Console
CORRECT ANSWER: a. Main
2.5 Which one of the following log-IDs is typically reserved
for Network Management on an Nokia 7750 SR
