السؤال #1

You are asked to configure real-time performance monitoring (RPM) between two Junos devices to track traffic in your network. Which two application traffic types can you track? (Choose two.)

A. ICMP

B. SNMP

C. TCP

D. HTTPS

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اجابة صحيحة: C

السؤال #2

What is the central processing component of the forwarding plane?

A. PFE

B. RE

C. Junos OS

D. forwarding table

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اجابة صحيحة: B

السؤال #3

What must you type to enter operational mode from the root@% command prompt?

A. exit B

C. edit

D. cli

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اجابة صحيحة: AC

السؤال #4

Which parameter must be included when executing operational mode commands from within configuration mode?

A. insert

B. do

C. prompt

D. run

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اجابة صحيحة: D

السؤال #5

Which command will display the temperature of the Routing Engine's CPU?

A. show chassis environment

B. show chassis routing-engine

C. show chassis temperatures

D. show chassis status

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اجابة صحيحة: B

السؤال #6

-- Exhibit -- [edit interfaces ge-0/0/1] user@router# show unit 100 { vlan-id 100; familyinet { address /24; } } [edit interfaces ge-0/0/1] user@router# commit check [edit interfaces ge-0/0/1] 'unit 100' Only unit 0 is valid for this encapsulation error: configuration check-out failed -- Exhibit -- Referring to the exhibit, you are unable to commit the configuration for the ge-0/0/1 interface. What must you do to commit the configuration?

A. You must set the vlan-tagging parameter under the [edit interfaces ge-0/0/1] hierarchy

B. You must use the rename command to change unit 100 to unit 0

C. You must set the encapsulation flexible-ethernet-services parameter under the [edit interfaces ge- 0/0/1] hierarchy

D. You must set the encapsulation vlan-ccc parameter under the [edit interfaces ge-0/0/1 unit 100] hierarchy

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اجابة صحيحة: B

السؤال #7

What are two examples of RE exception traffic? (Choose two.) A. BGP updates that travel through the local router and are destined for a remote router.

B. OSPF hello packets that are sent from a remote router and are destined for the local router

C. Telnet traffic that is sent from a remote host and is destined for the local router

D. Telnet traffic that travels through the local router and is destined for a remote end host

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اجابة صحيحة: BC

السؤال #8

Which routing instance type is used to facilitate filter-based forwarding?

A. VRF

B. FBF C

D. no-forwarding

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اجابة صحيحة: AC

السؤال #9

Which two firewall filter actions will terminate the processing and evaluation of a packet? (Choose two.)

A. permit B

C. deny

D. discard

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اجابة صحيحة: AC

السؤال #10

What are three valid software release designations for the Junos OS? (Choose three.)

A. B

B. T

C. X

D. R

E. Z

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اجابة صحيحة: ACD

السؤال #11

-- Exhibit -- [edit policy-options policy-statement my-policy] user@router# show term 1 { from { route-filter 192.168.0.0/16 orlonger; } then accept; } -- Exhibit -- Referring to the exhibit, which three networks match the policy? (Choose three.)

A. 192

B. 192

C. 192

D. 192

E. 192

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اجابة صحيحة: AC

السؤال #12

Which set of IP addresses are in the same subnet?

A. 185

B. 185

C. 185

D. 185

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اجابة صحيحة: D

السؤال #13

Which account is used to access a Junos device in factory-default configuration? A. root

B. admin

C. juniper

D. user

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اجابة صحيحة: C

السؤال #14

-- Exhibit -- [edit interfaces ge-0/0/1] user@router# show unit 100 { vlan-id 100; family inet { address 10.1.1.1 /24; } } [edit interfaces ge-0/0/1] user@router# commit check [edit interfaces ge-0/0/1] 'unit 100' Only unit 0 is valid for this encapsulation error: configuration check-out failed -- Exhibit -- Referring to the exhibit, you are unable to commit the configuration for the ge-0/0/1 interface. What must you do to commit the configuration?

A. You must set the encapsulation vlan-ccc parameter under the [edit interfaces ge-0/0/1 unit 100] hierarchy

B. You must set the vlan-tagging parameter under the [edit interfaces ge-0/0/1] hierarchy

C. You must use the rename command to change unit 100 to unit 0

D. You must set the encapsulation flexible-ethernet-services parameter under the [edit interfaces ge-0/0/1] hierarchy

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اجابة صحيحة: B

السؤال #15

-- Exhibit -- [edit interfaces ge-0/0/6] user@router# show unit 0 { family inet { address 172.16.10.100/24; address 172.16.10.101/24; } } You have two IP addresses configured on the ge-0/0/6 interface, as shown in the exhibit. You want to select the 172.16.10.101 address as the source address for packets sent from this interface to hosts on a remote subnet. Which parameter would you add to the 172.16.10.101 address to complete this task?

A. broadcast

B. arp 172

C. preferred

D. primary

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اجابة صحيحة: C

السؤال #16

You have configured a firewall filter with a single term matching on packets with a source address in the 10.0.0.0/24 subnet. This term only includes the count action. Which two statements are true about traffic evaluated by this firewall filter? (Choose two.)

A. Packets within the 10

B. Packets within the 10

C. Packets within the 10

D. Packets within the 10

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اجابة صحيحة: A

السؤال #17

How many host addresses are available in the 172.27.0.0/28 network?

A. 6

B. 30

C. 28

D. 14

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اجابة صحيحة: D

السؤال #18

What are three types of routing instances? (Choose three.) A. VPN

B. virtual-router

C. policy

D. VRF

E. forwarding

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اجابة صحيحة: BC

السؤال #19

Which mode is used to allow only a single person to edit a configuration?

A. configure batch

B. configure private

C. configure exclusive

D. configure dynamic

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اجابة صحيحة: A

السؤال #20

Which IP protocol number is assigned to TCP?

A. 17

B. 4

C. 18

D. 6

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اجابة صحيحة: D

السؤال #21

Click the Exhibit button. You are asked to create a firewall filter to count IPv6 packets that arrive with a no next header value. As shown in the exhibit, you have created and applied the count-no-header firewall filter to the ge-0/0/0 interface. The commit operation fails. What is causing this problem?

A. The firewall term does not include inet6 in the from statement

B. IPv6 interfaces do not support firewall filters

C. The filter name must be different than the counter name

D. The firewall family is not correct

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اجابة صحيحة: D

السؤال #22

What is the last usable IP address in the 218.6.0.0/17 network? A. 218.6.125.254

B. 218

C. 218

D. 218

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اجابة صحيحة: C

السؤال #23

Which route filter match type only matches prefixes greater than the defined prefix?

A. exact B

C. longer

D. orlonger

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اجابة صحيحة: BC

السؤال #24

You have been asked to use a 28 bit subnet mask to segment the following network block: 108.12.5.0. How many usable hosts per sub-net could you create?

A. 10 hosts

B. 14 hosts

C. 12 hosts

D. 16 hosts

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اجابة صحيحة: B

السؤال #25

-- Exhibit -- user@router> show configuration groups { ge-int { interfaces { { unit 0 { familyinet { address 10.10.12.1/24; } } } } } } ... interfaces { ge-0/0/1 { unit 0; } -- Exhibit -- Referring to the exhibit, which two actions would you take to only apply the 10.10.12.1/24 address to the ge-0/0/1.0 interface?

A. Apply the ge-int group to the configuration at the [edit] hierarchy

B. Apply the ge-int group to the configuration at the [edit interfaces ge-0/0/1] hierarchy

C. Apply the ge-int group to the configuration at the [edit interfaces ge-0/0/1 unit 0] hierarchy

D. Apply the ge-int group to the configuration at the [edit interfaces] hierarchy

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اجابة صحيحة: BD

السؤال #26

What are three acceptable modifiers to a terminating action of a firewall filter? (Choose three.)

A. Policer

B. Count

C. Syslog

D. Log

E. Discard

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اجابة صحيحة: ABD

السؤال #27

Which statement is correct about the forwarding table?

A. The forwarding table is stored only on the PFE

B. The forwarding table contains all known routes

C. The forwarding table is stored on both the RE and PFE

D. The forwarding table is stored only on the RE

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اجابة صحيحة: ABC

السؤال #28

What are three advantages which dynamic routing protocols offer over static routing protocols? (Choose three.)

A. lower administrative overhead

B. increased network availability

C. greater network scalability

D. easier to implement qualified next hops

E. easier ECMP route implementation

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اجابة صحيحة: ABC

السؤال #29

What are two routing requirements for a device to communicate with another device? (Choose two.)

A. end-to-end communications path

B. hosts on the same Layer 2 broadcast domain C

D. routing information on participating Layer 3 devices

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اجابة صحيحة: B

السؤال #30

Which Junos release would address only bug fixes that were not contained in the 15.1R1 version of code?

A. 15

B. 15

C. 15

D. 15

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اجابة صحيحة: A

السؤال #31

In Ethernet networks, duplex mismatches will lower performance. Which error statistics can be seen if a duplex mismatch is present?

A. collisions on the full-duplex side; runts on the half-duplex side

B. collisions on the full-duplex side; collisions on the half-duplex side

C. collisions on the half-duplex side; framing errors on the full-duplex side

D. collisions on the half-duplex side; giants on the full-duplex side

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اجابة صحيحة: C

السؤال #32

What are three benefits of using a dynamic routing protocol? (Choose three.)

A. Increased network security

B. Decreased network latency

C. Increased network availability

D. Lower administrative overhead

E. Greater network scalability

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اجابة صحيحة: CDE

السؤال #33

-- Exhibit -- [edit policy-options policy-statement my-policy] user@router# show term 1 { from { route-filter 192.168.0.0/16 prefix-length-range /20-/24; } then accept; } -- Exhibit -- Referring to the exhibit, which three networks match the policy? (Choose three.)

A. 192

B. 192

C. 192

D. 192

E. 192

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اجابة صحيحة: B

السؤال #34

-- Exhibit -- [edit firewall family inet filter input-filter] user@router# show term my-policy { from { source-address { 151.43.62.0/24; } } then { count; } } term else { then { discard; } } -- Exhibit -- Which two tasks are accomplished by the firewall filter shown in the exhibit? (Choose two.)

A. Traffic matching the my-policy term will be counted and accepted

B. Traffic matching the my-policy term will be counted and discarded

D. Traffic not matching the my-policy term will be accepted

عرض الإجابة

اجابة صحيحة: A

السؤال #35

Which command would you use to view interface usage details in real time?

A. show interfaces terse

B. show interfaces extensive

C. monitor interface traffic

D. monitor traffic interface

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اجابة صحيحة: D

السؤال #36

Click the Exhibit button. Referring to the exhibit, which statement is true?

A. The customer’s link will failover in nine seconds

B. the customer has not enabled security for BFD

C. The customer has set the version parameter to automatic

D. The customer’s link flapped within the last hour

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اجابة صحيحة: D

السؤال #37

-- Exhibit -- Exhibit -- Which command produces the output shown in the exhibit?

A. show firewall counter telnet-counter filter select-telnet

B. show firewall log

C. show log messages D

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اجابة صحيحة: B

السؤال #38

Which command will drop a matching packet and send out a notification message?

A. set routing-options static route 10

B. set routing-options static route 10

C. set routing-options static route 10

D. set routing-options static route 10

عرض الإجابة

اجابة صحيحة: AD

السؤال #39

What does the "3" in Junos version 14.2R3.2 represent?

A. A service build number

B. A single-threaded version of the Junos OS

C. A major release numberD

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اجابة صحيحة: A

السؤال #40

You receive an alarm that your Junos device is experiencing problems regarding temperature. Which two commands would you use to investigate this problem? (Choose two.)

A. show chassis hardware

B. show chassis temperature-thresholds

C. show chassis pic fpc-slot pic-slot

D. show chassis environment

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اجابة صحيحة: C

السؤال #41

Which word starts the command to remove configuration elements on a Junos device? A. undo

B. remove

C. delete

D. unset

عرض الإجابة

اجابة صحيحة: AC

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