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JNCIA JUNOS Quiz 2

JNCIA-JUNOS JN0-106 Practice Questions 2

  CONGRATULATIONS! YOU HAVE COMPLETED JNCIA-JUNOS JN0-106 Practice Questions 2. YOU HAVE %%SCORE%% TRUE ANSWERS OUT OF %%TOTAL%% QUESTIONS. YOUR SCORE IS %%PERCENTAGE%%. %%RATING%%
 
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Question 1
How many octets are in an IPv4 address?
A
32
B
4
C
24
D
8
E
20
Question 2
Which command is used to save the current committed configuration as the rescue configuration in Junos OS?
A
commit rescue
B
request system configuration rescue
C
set system rescue
D
request system configuration rescue save
E
save rescue configuration
Question 3
What is the binary equivalent of decimal 146?
A
10010011
B
10100010
C
11010010
D
10010110
E
10010010
Question 4
In which layer of OSI, do Routers work?
A
Layer 5
B
Layer 7
C
Layer 3
D
Layer 2
E
Layer 1
Question 5
What is the main purpose of a routing instance in Junos OS? routing instance in JUNOS JNCIA questions
A
To monitor interface errors
B
To store rollback configurations
C
To configure system logging
D
To configure the root password
E
To create separate logical routing environments
Question 6
What is the broadcast address of the IPv4 prefix 172.100.100.0/28?
A
172.100.100.15
B
172.100.100.255
C
172.100.100.1
D
172.100.100.254
E
172.100.100.16
Question 7
What does a Junos login class primarily define?
A
VLAN membership
B
Interface bandwidth
C
Routing protocol preference
D
User permissions and access privileges
E
Firewall filter order
Question 8
Which Junos feature allows common configuration statements to be reused in multiple parts of the configuration? Juniper jncia junos Configuration groups
A
Configuration groups
B
Login classes
C
Firewall terms
D
Routing instances
E
Prefix lists
Question 9
By default, how many collision domains are there on a 48-port Layer 2 switch if all 48 ports are in use? jncia junos collision domain ipcisco
A
2
B
1
C
48
D
5
E
24
Question 10
What is the primary purpose of a rescue configuration in Junos OS? Junos os rescue configuraiton ipcisco
A
To provide a known working configuration for recovery
B
To store interface statistics
C
To back up routing tables
D
To automatically recover the root password
E
To store Junos installation packages
Question 11
Which pipe option displays only output lines that contain a specified string?
A
| match
B
| filter
C
| find
D
| search
E
| include
Question 12
Which command provides context-sensitive help in the Junos CLI?
A
assist
B
help cli
C
?
D
help
E
show help
Question 13
What is the primary purpose of system logging (syslog) on a Junos device? syslog in JUNOS jncia questions
A
To assign IP addresses
B
To calculate routes
C
To create user accounts
D
To resolve MAC addresses
E
To record system events and messages
Question 14
Which three are Layer 3 protocols? (Choose Three)
A
ARP
B
IP
C
OSPF
D
ICMP
E
STP
Question 15
Which command restores a previously committed configuration into the candidate configuration?
A
load previous
B
revert
C
rollback
D
restore
E
recover
Question 16
Which command can be used to navigate to the interfaces configuration hierarchy in Junos OS?
A
edit interfaces
B
interfaces
C
cd interfaces
D
check interfaces
E
create interfaces
Question 17
Which protocol is commonly used to synchronize the system time on a Junos device?
A
ARP
B
FTP
C
ICMP
D
SNMP
E
NTP
Question 18
In the MAC address 00:1A:2B:3C:4D:5E, which portion identifies the vendor (OUI)?
A
00:1A:2B
B
3C:4D:5E
C
00:1A:2B:3C
D
00:1A
E
4D:5E
Question 19
Under which Junos configuration hierarchy is the root authentication password configured?
A
[edit system login root]
B
[edit authentication root]
C
[edit system root-authentication]
D
[edit interfaces root]
E
[edit security password]
Question 20
How many bits are in an IPv6 address?
A
96
B
128
C
48
D
64
E
32
Question 21
Which type of route is manually configured by an administrator?
A
Dynamic route
B
Aggregate route
C
Static route
D
Local route
E
Direct route
Question 22
Which command can be used to display real-time system log messages in Junos OS?
A
monitor system messages
B
show log realtime
C
monitor start messages
D
trace messages
E
show messages live
Question 23
Which subnet mask corresponds to a /20 prefix length?
A
255.255.254.0
B
255.255.240.0
C
255.255.252.0
D
255.255.244.0
E
255.255.248.0
Question 24
What is the primary purpose of unicast Reverse Path Forwarding (RPF)? JNCIA questions what is unicast reverse path forwarding
A
To verify that the source of a packet is reachable through an appropriate path
B
To encrypt packets between routers
C
To assign route preferences
D
To convert IPv4 addresses to IPv6
E
To select the route with the longest prefix
Question 25
Which command can be used to display the path that packets take toward a destination? JNCIA JUNOS what is traceroute
A
do
B
traceroute
C
check
D
run
E
ping
Question 26
Which command can be used to return to the top level of the Junos configuration hierarchy?
A
root
B
top
C
up all
D
exit all
E
home
Question 27
Which protocol is commonly used to monitor and manage network devices?
A
ARP
B
NTP
C
FTP
D
SNMP
E
DHCP
Question 28
Which configuration hierarchy is used to configure a prefix list in Junos OS?
A
[edit routing-options]
B
[edit firewall]
C
[edit system]
D
[edit policy-options]
E
[edit interfaces]
Question 29
How many layers are in the modern TCP/IP model?
A
8
B
4
C
5
D
6
E
7
Question 30
At which OSI layers do routers and traditional Layer 2 switches primarily operate?
A
Layer 4 / Layer 3
B
Layer 2 / Layer 4
C
Layer 3 / Layer 2
D
Layer 3 / Layer 4
E
Layer 2 / Layer 3
Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results
There are 30 questions to complete.
gokhan-kosem-instructor-ipcisco

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.

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