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2017 July Juniper Official New Released JN0-102 Q&As
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Junos, Associate (JNCIA-Junos)

QUESTION 231

Which three statements are true about terms in a policy? (Choose three.)

 

A.

The order of the terms in a policy is irrelevant.

B.

The action is specified in a then statement.

C.

Terms are optional in a policy.

D.

The match condition can be identified with a from statement.

E.

A from statement is mandatory in a term.

 

Correct Answer: BCD

 

 

QUESTION 232

What is the default export routing policy for EBGP?

 

A.

Accept all active BGP routes.

B.

Accept all BGP routes.

C.

Accept no routes.

D.

Accept all active IGP routes.

 

Correct Answer: A

 

 

QUESTION 233

What is the purpose of a network mask?

 

A.

It is used in conjunction with the wildcard mask to determine the number of hosts on a network.

B.

It is used to define which parts of the IP address are allocated to host addresses and network prefixes.

C.

It is used to hide subnets from external networks by masking the subnets with NAT.

D.

It is used to differentiate a network as a classful network or a classless network.

 

Correct Answer: B

 

 

QUESTION 234

You have been asked to use a 23-bit network mask to segment the network block 209.18.12.0. How many usable host addresses will there be per subnet?

 

A.

510

B.

1022

C.

2046

D.

8190

 

Correct Answer: A

 

 

 

QUESTION 235

Referring to the exhibit, you are asked to rate-limit traffic from Web-Server to the subnet where Mal-User is located. All other traffic should be permi
tted. Which firewall filter configuration do you use?

 

clip_image001

 

A.

[edit firewall]

user@router# show

policer LIMIT-MAL-USER {

if-exceeding {

bandwidth-limit 400k;

burst-size-limit 100k;

}

then discard;

}

familyinet {

filter STOP-MAL-USER {

term one {

from {

source-address {

100.100.100.10/32;

}

destination-address {

200.200.200.0/24;

}

}

thenpolicer LIMIT-MAL-USER;

}

term two {

then accept;

}

}

}

B.

[edit firewall]

user@router# show

policer LIMIT-BAD-USER {

if-exceeding {

bandwidth-limit 400k;

burst-size-limit 100k;

}

then discard;

}

familyinet {

filter STOP-MAL-USER {

term one {

from {

source-address {

100.100.100.10/32;

}

destination-address {

200.200.200.0/24;

}

}

thenpolicer LIMIT-MAL-USER;

}

term two {

then accept;

}

}

}

C.

[edit firewall]

user@router# show

policer LIMIT-MAL-USER {

if-exceeding {

bandwidth-limit 400k;

burst-size-limit 100k;

}

then discard;

}

familyinet {

filter STOP-MAL-USER {

term one {

from {

source-address {

100.100.100.10/32;

}

destination-address {

200.200.200.0/24;

}

}

thenpolicer LIMIT-MAL-USER;

}

term two {

then reject;

}

}

}

D.

[edit firewall]

user@router# show

policer LIMIT-MAL-USER {

if-exceeding {

bandwidth-limit 400k;

burst-size-limit 100k;

}

< p class="MsoNormal" style="margin: 0cm 0cm 0pt; line-height: normal; text-autospace: ; mso-layout-grid-align: none" align="left">then discard;

}

familyinet {

filter STOP-MAL-USER {

term one {

from {

source-address {

200.200.200.0/24;

}

destination-address {

100.100.100.10/32;

}

}

thenpolicer LIMIT-MAL-USER;

}

term two {

then accept;

}

}

}

 

Correct Answer: A

 

 

QUESTION 236

What are the usable hosts on the .128.0/19 network?

 

A.

.128.1 through .143.254

B.

.128.128 through .134.254

C.

.128.0 through .134.254

D.

.128.1 through .159.254

 

Correct Answer: D

 

 

QUESTION 237

— Exhibit —

 

[edit policy-options]

 

user@router# show

 

policy-statementpolicyABC {

 

term A {

 

from {

 

protocol rip;

 

route-filter 192.168.1.0/24 longer;

 

}

 

then accept;

 

}

 

}

[edit protocols ospf]

 

user@router# show

 

exportpolicyABC;

 

area 0.0.0.0 {

 

interface ge-0/0/0.0;

 

interface lo0.0;

 

}

 

— Exhibit —

 

Referring to the exhibit, which two statements are true? (Choose two.)

 

A.

The route 192.168.1.0/25 is accepted.

B.

The route 192.168.2.0/24 is accepted.

C.

OSPF routes will be exported into RIP.

< /td>

D.

RIP routes will be exported into OSPF.

 

Correct Answer: AD

 

 

QUESTION 238

What are three terminating actions for firewall filters? (Choose three.)

 

A.

reject

B.

drop

C.

permit

D.

accept

E.

discard

 

Correct Answer: ADE

 

 

QUESTION 239

Which protocol creates a complete database of the network topology prior to calculating the optimal route?

 

A.

BGP

B.

PIM

C.

OSPF

D.

RIP

 

Correct Answer: C

 

 

QUESTION 240

What is the default route preference value for EBGP?

 

A.

20

B.

100

C.

170

D.

200

 

Correct Answer: C

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