JNCIA JUNOS Quiz 2 ⋆ IpCisco

JNCIA-JUNOS JN0-106 Practice Questions 2

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Question 1

How many octets are in an IPv4 address?

A	24
B	32
C	20
D	4
E	8

Question 2

Which command can be used to display the path that packets take toward a destination?

A	do
B	run
C	ping
D	check
E	traceroute

Question 3

What does a Junos login class primarily define?

A	Routing protocol preference
B	Firewall filter order
C	Interface bandwidth
D	User permissions and access privileges
E	VLAN membership

Question 4

Which command can be used to navigate to the interfaces configuration hierarchy in Junos OS?

A	create interfaces
B	edit interfaces
C	interfaces
D	cd interfaces
E	check interfaces

Question 5

Which protocol is commonly used to monitor and manage network devices?

A	DHCP
B	FTP
C	SNMP
D	NTP
E	ARP

Question 6

By default, how many collision domains are there on a 48-port Layer 2 switch if all 48 ports are in use?

A	5
B	24
C	1
D	48
E	2

Question 7

Which pipe option displays only output lines that contain a specified string?

A	\| find
B	\| search
C	\| include
D	\| filter
E	\| match

Question 8

Which command restores a previously committed configuration into the candidate configuration?

A	revert
B	restore
C	load previous
D	recover
E	rollback

Question 9

What is the primary purpose of a rescue configuration in Junos OS?

A	To back up routing tables
B	To provide a known working configuration for recovery
C	To automatically recover the root password
D	To store Junos installation packages
E	To store interface statistics

Question 10

What is the primary purpose of system logging (syslog) on a Junos device?

A	To calculate routes
B	To resolve MAC addresses
C	To create user accounts
D	To assign IP addresses
E	To record system events and messages

Question 11

Which three are Layer 3 protocols? (Choose Three)

A	ICMP
B	ARP
C	IP
D	STP
E	OSPF

Question 12

Which command provides context-sensitive help in the Junos CLI?

A	help
B	show help
C	assist
D	help cli
E	?

Question 13

What is the binary equivalent of decimal 146?

A	10010010
B	10010110
C	11010010
D	10100010
E	10010011

Question 14

What is the broadcast address of the IPv4 prefix 172.100.100.0/28?

A	172.100.100.15
B	172.100.100.16
C	172.100.100.254
D	172.100.100.1
E	172.100.100.255

Question 15

At which OSI layers do routers and traditional Layer 2 switches primarily operate?

A	Layer 3 / Layer 2
B	Layer 3 / Layer 4
C	Layer 4 / Layer 3
D	Layer 2 / Layer 4
E	Layer 2 / Layer 3

Question 16

Which type of route is manually configured by an administrator?

A	Aggregate route
B	Static route
C	Local route
D	Direct route
E	Dynamic route

Question 17

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

A	7
B	4
C	5
D	8
E	6

Question 18

Which Junos feature allows common configuration statements to be reused in multiple parts of the configuration?

Juniper jncia junos Configuration groups

A	Routing instances
B	Firewall terms
C	Configuration groups
D	Prefix lists
E	Login classes

Question 19

Which configuration hierarchy is used to configure a prefix list in Junos OS?

A	[edit policy-options]
B	[edit firewall]
C	[edit system]
D	[edit routing-options]
E	[edit interfaces]

Question 20

In the MAC address 00:1A:2B:3C:4D:5E, which portion identifies the vendor (OUI)?

A	00:1A
B	3C:4D:5E
C	00:1A:2B
D	00:1A:2B:3C
E	4D:5E

Question 21

Which command is used to save the current committed configuration as the rescue configuration in Junos OS?

A	request system configuration rescue save
B	request system configuration rescue
C	set system rescue
D	commit rescue
E	save rescue configuration

Question 22

What is the primary purpose of unicast Reverse Path Forwarding (RPF)?

JNCIA questions what is unicast reverse path forwarding

A	To select the route with the longest prefix
B	To encrypt packets between routers
C	To verify that the source of a packet is reachable through an appropriate path
D	To convert IPv4 addresses to IPv6
E	To assign route preferences

Question 23

How many bits are in an IPv6 address?

A	128
B	48
C	32
D	96
E	64

Question 24

Which subnet mask corresponds to a /20 prefix length?

A	255.255.244.0
B	255.255.248.0
C	255.255.254.0
D	255.255.240.0
E	255.255.252.0

Question 25

Which command can be used to display real-time system log messages in Junos OS?

A	show messages live
B	monitor start messages
C	show log realtime
D	trace messages
E	monitor system messages

Question 26

Under which Junos configuration hierarchy is the root authentication password configured?

A	[edit system root-authentication]
B	[edit system login root]
C	[edit interfaces root]
D	[edit authentication root]
E	[edit security password]

Question 27

Which protocol is commonly used to synchronize the system time on a Junos device?

A	NTP
B	ICMP
C	SNMP
D	FTP
E	ARP

Question 28

What is the main purpose of a routing instance in Junos OS?

routing instance in JUNOS JNCIA questions

A	To store rollback configurations
B	To configure system logging
C	To create separate logical routing environments
D	To monitor interface errors
E	To configure the root password

Question 29

In which layer of OSI, do Routers work?

A	Layer 7
B	Layer 5
C	Layer 3
D	Layer 2
E	Layer 1

Question 30

Which command can be used to return to the top level of the Junos configuration hierarchy?

A	home
B	top
C	root
D	up all
E	exit all

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There are 30 questions to complete.

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

JNCIA JUNOS Quiz 2

JNCIA-JUNOS JN0-106 Practice Questions 2

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