Juniper JN0-101 Juniper Flashcards

1
Q
-- Exhibit --
user@router> show configuration firewall
family inet {
filter demo {
term example {
from {
source-address {
100.100.100.0/24;
}
destination-address {
200.200.200.0/24;
}
}
then {
reject;
}
}
term testing {
from {
source-address {
10.10.10.0/28;
}
destination-address {
200.200.200.0/24;
}
}
then sample;
}
term results {
from {
address {
200.200.200.0/24;
}
}
then accept;
}
term final {
then policer LAPD;
}
}
}
-- Exhibit --
Given the configuration shown in the exhibit, what will happen to traffic from source 10.10.10.25
destined to 200.200.200.1?
A

The traffic will be forwarded.

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2
Q

Which command is used to enable access to J-Web using HTTPS?

A

set system services web-management https

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3
Q

What is the role of route preference?

A

It is used as a tiebreaker when the same prefix is available through multiple protocols.

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4
Q

Which J-Web tab do you use to add licenses to the device?

A

“Maintain”

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5
Q

A network administrator wants to verify the active alarms on interface so-0/0/0.0.
Which command displays this information?

A

show interfaces extensive

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6
Q

Which command is used to display all output at once?

A

show interfaces | no-more

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7
Q

What represents the binary equivalence of 207?

A

11001111

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8
Q

A packet is evaluated against three user-defined terms within a firewall filter and no match is
found.
What correctly describes the action the firewall filter will take for this packet?

A

The filter will discard the packet and take no additional action.

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9
Q

You have been allocated a 192.168.100.0/22 network.

How many usable hosts are available?

A

1022

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10
Q

Which two statements accurately describe a broadcast domain? (Choose two.)
A. Broadcast domains require that the participating devices connect to common switches or hubs.
B. Broadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast
address.
C. Broadcast domains require a gateway device such as a router.
D. Broadcast domains consist of devices that reside on the same VLAN.

A

B,D

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11
Q

What represents the decimal equivalence of 11100101?

A

229

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12
Q

What does the command show | compare rollback 1 display?

A

the difference between the current candidate configuration and the archived configuration from
one commit ago

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13
Q

What are three physical interface properties?

A

payload scrambling, FCS and link speed

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14
Q

Which user authentication method is supported by the Junos OS as a last resort alternative?

A

local user database

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15
Q

Which two external authentication methods are supported by the Junos OS for user
authentication?

A

Radius and Tacacs+

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16
Q
Which statement is true about the forwarding plane?
A. The forwarding plane is the intelligence of the platform.
B. The forwarding plane is based on an X86 architecture.
C. The forwarding plane maintains the routing tables, bridging table, and primary forwarding table.
D. The forwarding plane implements policers, stateless firewall filters, and class of service.
A

D

17
Q

Which two statements are correct regarding default protocol preference values? (Choose two.)
A. RIP is preferred over OSPF external routes.
B. Direct, local, and static routes have the same preference value.
C. OSPF’s preference value is lower than BGP.
D. OSPF has a single preference value for both internal and external routes.

A

A,C

18
Q

Which command do you use as a valid way to view the PICs within a router as well as the PICs’
serial numbers?

A

show chassis hardware