NRS-1 PRACTICE TEST FROM NOKIA'S SITE
(2024-2025) QUESTIONS WITH ANSWERS
4.6 A network has an address of 206.47.132.0 and a network
mask of 255.255.254.0. How many subnetworks can be
created if each subnetnetwork must have at least 25 hosts?
a. 4
b. 8
c. 16
d. 32 - <<,Answers>>>c. 16
4.7 Which of the following is the broadcast address of the
network to which host 172.16.176.135/18 belongs?
a. 172.16.176.255
b. 172.16.191.255
c. 172.16.255.255
d. 172.255.255.255 - <<,Answers>>>b. 172.16.191.255
4.8 How many subnets can be created from network
138.120.140.0/22 if each subnet must support 126 hosts?
a. 4
,b. 8
c. 16
d. 32 - <<,Answers>>>b. 8
4.9 Which of the following statements about a system IP
address on an Nokia 7750 SR is FALSE?
a. It is a loopback address.
b. It has a fixed prefix value of /32.
c. It is manually configured by an operator.
d. It is associated with the management port. -
<<,Answers>>>d. It is associated with the management port.
4.10 Which of the following is a characteristic of route
aggregation?
a. It summarizes subnet addresses into classful
addresses.
b. It maps multiple private IP addresses into one public
IP address.
c. It divides a network into multiple subnets.
d. It reduces the number of route advertisements
within a network. - <<,Answers>>>d. It reduces the number
of route advertisements
within a network.
, 5.9 Which of the following about a router running a link state
routing protocol is FALSE?
a. It uses an SPF algorithm to calculate the routing table.
b. Route updates are driven by topology changes.
c. It sends copies of the routing table to neighbor
routers.
d. It has a view of the entire network topology. -
<<,Answers>>>c. It sends copies of the routing table to
neighbor
routers.
5.10 Which routing protocol uses hop count for path
selection?
a. OSPF
b. RIPv2
c. IS-IS
d. Static Routing - <<,Answers>>>b. RIPv2
5.11 Which routing protocol is best used to provide routing
between autonomous systems?
a. OSPF
b. IS-IS
c. RIPv2
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