NRS I Quiz 1 ⋆ IpCisco

NRS I QUIZ 1

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Question 1

At which OSI layer does a traditional Ethernet switch primarily operate?

A	Data Link
B	Physical
C	Network
D	Transport
E	Application

Question 2

Which type of fiber is typically used for longer-distance Ethernet connections?

A	Single-mode fiber
B	Coaxial cable
C	Multimode fiber
D	STP
E	UTP

Question 3

VLANs are identified by a ...

A	Vlan ID
B	System ID
C	Engine ID
D	Service ID
E	Switch ID

Question 4

If data can be transmitted in both directions simultaneously, the connection is called ...

A	Broadcast
B	Full-duplex
C	Multicast
D	Simplex
E	Half-duplex

Question 5

Which two interfaces can be used for out-of-band management of a Nokia 7750 SR? (Choose Two)

A	Management port
B	Network port
C	Console port
D	Service interface
E	Access port

Question 6

What is the broadcast address of prefix 165.24.200.0/23?

subnetting calculation Nokia NRS-I questions, ipv4 addressing, broadcast address

A	165.24.200.255
B	165.24.200.128
C	165.24.201.254
D	165.24.200.254
E	165.24.201.255

Question 6 Explanation:

Network: 165.24.200.0/23 10100101.00011000.1100100 0.00000000 (Class B) Broadcast: 165.24.201.255 10100101.00011000.1100100 1.11111111

Question 7

What is the primary purpose of LDP in an MPLS network?

A	To calculate OSPF costs
B	To distribute MPLS label information between routers
C	To create Ethernet VLANs
D	To encrypt VPN traffic
E	To assign IP addresses to routers

Question 8

What happens during data encapsulation?

A	Headers are removed from data
B	Routing tables are deleted
C	IP addresses are converted to MAC addresses
D	Protocol information is added as data moves down the protocol stack
E	MPLS labels are always removed

Question 9

How many layers are in the modern TCP/IP model?

A	10
B	4
C	7
D	8
E	5

Question 10

Which three label operations are commonly associated with MPLS forwarding? (Choose Three)

A	Learn
B	Pop
C	Push
D	Flood
E	Swap

Question 11

Provisioned Card type and Equipped Card type must be same for a card to work properly.

A	False
B	True

Question 12

Which field in an Ethernet frame is used to detect transmission errors?

A	Preamble
B	Frame Check Sequence (FCS)
C	Source MAC
D	EtherType
E	VLAN ID

Question 13

Which type of route is manually configured by a network administrator?

A	BGP route
B	Static route
C	Dynamic route
D	LDP route
E	OSPF route

Question 14

Which command configures the system name as ABC on Nokia SR OS?

A	system name ABC
B	configure system name ABC
C	system-name ABC
D	hostname ABC
E	name ABC

Question 15

Which routing protocol covered in Nokia NRS I is a link-state routing protocol?

A	BGP
B	OSPF
C	ARP
D	LDP
E	MPLS

Question 16

Which three VPN service types are covered in Nokia SR OS service configuration? (Choose Three)

A	VPLS
B	VPWS
C	OSPF
D	LDP
E	VPRN

Question 17

Which Nokia service provides a point-to-point Layer 2 VPN service?

mpls layer 2 vpn Nokia NRS-I questions, nokia 7750 SR

A	OSPF
B	VPRN
C	LDP
D	VPLS
E	VPWS

Question 18

All severity alarms on a Nokia 7750 SR can be stored in ....

A	None of them
B	Log 98
C	Log 100
D	Log 99
E	Log 90

Question 19

What does an Ethernet switch primarily use to make Layer 2 forwarding decisions?

A	Destination TCP port
B	OSPF Router ID
C	Source IP address
D	MPLS label only
E	Destination MAC address

Question 20

Which file is used to provide boot options during the Nokia SR OS boot process?

A	bof.cfg
B	router.cfg
C	startup.ini
D	system.dat
E	boot.ftp

Question 21

What does a router primarily examine when forwarding an IP packet?

ip packet forwarding Nokia NRS questions

A	VLAN name
B	Destination IP address
C	Source TCP port
D	Source MAC address
E	Ethernet FCS

Question 22

Which Nokia service provides Multipoint Layer 2 VPN connectivity between customer sites?

A	LDP
B	VPRN
C	VPLS
D	VPWS
E	BGP

Question 23

Which state indicates a fully established OSPF adjacency?

A	2-Way
B	Full
C	Init
D	ExStart
E	Exchange

Question 24

Which two are sublayers of the Data Link layer? (Choose Two)

A	MAC
B	LLC
C	TCP
D	IP
E	UDP

Question 25

Which command is used to display configuration information in Nokia SR OS?

A	display
B	show
C	set
D	get
E	info

Question 26

Which command is commonly used to display the routing table on Nokia SR OS?

A	display ip routing-table
B	show ip route
C	show router route-table
D	get router routes
E	info route-table

Question 27

Which Nokia service provides Layer 3 VPN connectivity between customer sites?

A	MPLS LSP
B	Ethernet VLAN
C	VPLS
D	VPWS
E	VPRN

Question 28

Which component of a Nokia 7750 SR is primarily responsible for control-plane processing?

Nokia NRS-I practice questions control plane question, Nokia 7750 Service Router

A	Media Dependent Adapter (MDA)
B	Compact Flash (CF)
C	Routing Processor Module (RPM)
D	Input/Output Module (IOM)
E	Control Processing Module (CPM)

Question 29

Which plane is primarily responsible for forwarding user traffic through a router?

control and data plane Nokia NRS-I questions

A	Routing plane
B	Service plane
C	Management plane
D	Data plane
E	Control plane

Question 30

Which prefix summarizes the networks 10.10.0.0/24 through 10.10.3.0/24?

A	10.10.0.0/21
B	10.10.0.0/23
C	10.10.0.0/20
D	10.10.0.0/24
E	10.10.0.0/22

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gokhankosem

Gokhan Kosem is a Network Engineer, Instructor and the Founder of IPCisco.com with 15+ years of experience in Cisco, Nokia, Huawei, Juniper, Linux, Service Provider Networks, Routing and Switching technologies.

He has worked on the backbone networks of major service providers and network vendors including Nortel, Alcatel-Lucent (Nokia) and has extensive hands-on experience with Cisco, Huawei, Juniper and Nokia networking technologies.

He has trained thousands of networking students worldwide through IPCisco.com, Udemy, books, labs, quizzes, and educational content across multiple social media platforms.

IPCisco.com | Best Route to Your Dreams

NRS I Quiz 1

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