JN0-102 Practice Questions
418 real JN0-102 exam questions with expert-verified answers and explanations. Page 1 of 9.
- Question #1
The IP address 10.1.1.1 belongs to which class of IP address space?
- Question #2
For the interface ge-1/2/3.4, what does "ge" represent?
- Question #3
Which word starts a command to display the operational status of a Junos device?
- Question #4
Which command prompt indicates that you are in operational mode?
- Question #5
What is the decimal equivalent of 00000100?
- Question #6
What is a valid IPv6 address?
- Question #7
Which simplified IPv6 address is the same as the IP address 2001:0000:1000:0000:0000:cbff:0020:0001/64?
- Question #8
What are three characteristics of UDP? (Choose three.)
- Question #9
Which layer in the OSI model is responsible for translating frames into bits?
- Question #10
Which layer in the TCP/IP model is responsible for delivering packets to their destination?
- Question #11
Why is IPv6 packet processing more effective than IPv4 packet processing?
- Question #12
A user opens a webpage that requires the transmission of packets from the Web server to the client's browser. The packets transmitted from the Web server to the client exceed the s...
- Question #13
Which two statements are true about TCP communication? (Choose two.)
- Question #14
Which two statements are true about optical networks? (Choose two.)
- Question #15
At which layer of the OSI model does error checking occur with IPv6?
- Question #16
Which statement is correct regarding IPv6 addresses?
- Question #17
Which two statements about MPLS label-switched paths (LSPs) are true? (Choose two.)
- Question #18
What are two ways that packet fragmentation is handled differently between IPv6 and IPv4? (Choose two.)
- Question #19
In the exhibit, there are four static routes that route traffic through different interfaces. user@router> show route protocol static inet.0: 15 destinations, 15 routes (15 active,...
- Question #20
In dotted decimal notation, what is the equivalent of 11010101 01000010 01111111 11000010?
- Question #21
What is the binary equivalent of 242.168.94.124?
- Question #22
What is the last usable IP address in the 218.6.0.0/17 network?
- Question #23
What is the network address for the 10.13.147.100/19 host?
- Question #24
Which two prefixes would summarize the networks shown below? (Choose two.) 192.168.1.0/24 192.168.2.0/24 192.168.3.0/24
- Question #25
How many host addresses are available in the /28 network?
- Question #26
What are three benefits of using IPv6? (Choose three.)
- Question #27
Which statement is correct about the forwarding table?
- Question #28
Which statement describes exception traffic?
- Question #29
What are two benefits of the modular design of the Junos OS? (Choose two.)
- Question #30
Which statement describes the PFE?
- Question #31
Which process is responsible for the routing protocols on a Junos device?
- Question #32
Which process is responsible for the configuration of the router and all user commands on a Junos device?
- Question #33
How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?
- Question #34
Which two design goals describe the Junos OS design? (Choose two.)
- Question #35
Which two Junos platforms provide stateful firewall functionality? (Choose two.)
- Question #36
What are two examples of RE exception traffic? (Choose two.)
- Question #37
In the Junos OS, what handles transit traffic?
- Question #38
Which statement describes transit traffic?
- Question #39
What is the central processing component of the forwarding plane?
- Question #40
Which statement is correct regarding the Junos OS?
- Question #41
What are two functions of the RE? (Choose two).
- Question #42
Which statement is correct regarding exception traffic processing?
- Question #43
When using keyboard shortcuts, which single keystroke combination allows users to erase the entire current command?
- Question #44
When using keyboard shortcuts, which keystroke combination allows users to erase a single word to the left of the cursor?
- Question #45
What must you type to enter operational mode from the root@% command prompt?
- Question #46
Which two commands would you use to discard a candidate configuration? (Choose two.)
- Question #47
Which two statements are true about the configure exclusive command? (Choose two.)
- Question #48
Which command will display the active configuration?
- Question #49
Which three commands will cause a logical interface to go administratively down after being committed? (Choose three.)
- Question #50
Which command returns a list of commands in which a given keyword is used throughout the Junos hierarchies?