السؤال #1

How can you verify that you have correctly configured SSH access to your Junos device?

A. user@router# show system services

B. user@router> show configuration services

C. user@router# show configuration system services

D. user@router# show system login

عرض الإجابة

اجابة صحيحة: A

السؤال #2

Which statement is true regarding the Junos OS?

A. All platforms running the Junos OS have identical factory-default configurations

B. All platforms running the Junos OS use the IP2 processor for longest-match lookup

C. All platforms running the Junos OS use the same source code base

D. All platforms running the Junos OS use FXP1 for communication between control and forwarding planes

عرض الإجابة

اجابة صحيحة: C

السؤال #3

-- 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

C. Traffic not matching the my-policy term will be discarded

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

عرض الإجابة

اجابة صحيحة: AC

السؤال #4

-- Exhibit -[edit routing-options] user@router# show static { defaults { metric 10; preference 10; } route 10.10.10.0/24 { next-hop 192.168.100.1; qualified-next-hop 192.168.200.1; preference 6; } metric 8; } } -- Exhibit -Given the configuration shown in the exhibit, which statement is correct about traffic matching the route 10.10.10.0/24?

A. It will be forwarded to 192

B. It will be forwarded to 192

C. It will be forwarded to 192

D. It will be forwarded to 192

عرض الإجابة

اجابة صحيحة: C

السؤال #5

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 number

D. A minor release number

عرض الإجابة

اجابة صحيحة: A

السؤال #6

What is a route filter?

A. a list of prefixes that can be configured in a policy

B. a single prefix that is configured separately, and can be referenced in a policy

C. a list of prefixes that is configured separately and can be referenced in a policy

D. a single prefix that can be configured within a policy

عرض الإجابة

اجابة صحيحة: A

السؤال #7

-- 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

B. The route 192

C. OSPF routes will be exported into RIP

D. RIP routes will be exported into OSPF

عرض الإجابة

اجابة صحيحة: AD

السؤال #8

You configured an interface with an IP address and committed the change. You then committed a change that added an exception in a firewall filter to allow this network through the filter. You realize that this work was done on the wrong router. How do you undo all these changes?

A. rollback 2

B. rollback 1

C. rollback 0

D. rollback 3

عرض الإجابة

اجابة صحيحة: A

السؤال #9

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

A. exact

B. upto

C. longer

D. orlonger

عرض الإجابة

اجابة صحيحة: C

السؤال #10

-- Exhibit -user@router# run show interfaces terse Interface Admin Link Proto Local fe-0/0/0 up up fe-0/0/0.0 up upinet 10.0.39.2/24 iso mpls fe-0/0/1 up up fe-0/0/1.0 up upinet 10.0.18.2/24 fe-0/0/1.5 down up inet 10.0.19.2/24 -- Exhibit -An administrator is unable to ping any address on the 10.0.19.0/24 subnet. To identify the problem, the administrator uses the command shown in the exhibit. Which step should be taken to solve the problem?

A. Check the physical cable

B. Issue the command activate interfaces fe-0/0/1

C. Issue the command delete interfaces fe-0/0/1

D. Reconfigure the IP address

عرض الإجابة

اجابة صحيحة: C

السؤال #11

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 outside the 10

B. Packets outside the 10

C. Packets outside the 10

D. Packets outside the 10

عرض الإجابة

اجابة صحيحة: BD

السؤال #12

-- Exhibit -user@router# run show route /24 inet.0: 142 destinations, 142 routes (141 active, 0 holddown, 1 hidden) + = Active Route, - = Last Active, * = Both /24 *[OSPF/10] 04:10:20 >to 172.25.213.11 via ge-1/0/1.0 to 172.25.213.23 via ge-1/0/2.0 -- Exhibit -In the exhibit, what does the (>) symbol indicate?

A. There is a software issue with ge-1/0/1

B. There is a hardware issue with ge-1/0/1

C. The next hop of 172

D. The next hop of 172

عرض الإجابة

اجابة صحيحة: C

السؤال #13

Which command will display only direct routes?

A. show route

B. show route inet

C. show ip route direct

D. show route protocol direct

عرض الإجابة

اجابة صحيحة: D

السؤال #14

-- Exhibit -user@router> show route inet.0: 9 destinations, 9 routes (9 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both 10.10.10.91/32 *[Direct/0] 00:09:40 >via lo0.0 10.10.10.92/32 *[OSPF/10] 00:01:50, metric 1 >to 172.16.1.2 via ge-0/0/2.0 100.100.1.0/24 *[Static/5] 00:01:50 Reject 172.16.1.0/24 *[Direct/0] 00:06:09 >via ge-0/0/2.0 172.16.1.1/32 *[Local/0] 00:06:09 Local via ge-0/0/2.0 192.168.0.0/16 *[Aggregate/130] 00:00:06 Reject 192.168.0.0/17 *[Aggregate/130] 00:00:06 >to 17

A. 192

B. 192

C. 192

D. 192

عرض الإجابة

اجابة صحيحة: B

السؤال #15

What is a valid option when using the ping command?

A. packet loss

B. packet size

C. CRC

D. TCP port

عرض الإجابة

اجابة صحيحة: B

السؤال #16

-- Exhibit -[edit policy-options policy-statement my-policy] user@router# show term reject { then reject; } term match { from { protocolbgp; route-filter 10.10.10.0/24 exact; } } -- Exhibit -Referring to the exhibit, you must move the match term above the reject term. Which command would accomplish this task?

A. set term match from policy reject

B. up 1 copy policy-statement my-policy term match to term before-reject

C. activate term match to policy

D. insert term match before term reject

عرض الإجابة

اجابة صحيحة: D

السؤال #17

What are three benefits of class of service? (Choose three.)

A. It can make a slow network faster

B. It can prioritize latency-sensitive traffic

C. It can eliminate congestion

D. It can control congestion

E. It can allocate bandwidth for different classes of traffic

عرض الإجابة

اجابة صحيحة: BDE

السؤال #18

What are two purposes of a forwarding class? (Choose two.)

A. to identify traffic that should be dropped

B. to classify traffic

C. to identify traffic that should receive common treatment

D. to assign traffic to output queues

عرض الإجابة

اجابة صحيحة: CD

السؤال #19

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

عرض الإجابة

اجابة صحيحة: BD

السؤال #20

After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?

A. Layer 1 on the interface is up but Layer 2 is down

B. Layer 2 on the interface is up but Layer 3 has not been configured

C. The interface is administratively up but the link status is down

D. The interface is up but has been administratively turned off

عرض الإجابة

اجابة صحيحة: C

السؤال #21

You have been asked to establish reachability between Router 1's and Router 2's loopback addresses as shown in the exhibit. Which two steps will accomplish this task? (Choose two.)

A. Create a static route on Router 1 to 172

B. Create a static route on Router 1 to 172

C. Create a static route on Router 2 to 172

D. Create a static route on Router 1 to 172

عرض الإجابة

اجابة صحيحة: AC

السؤال #22

Which two protocols use UDP as a transport protocol by default? (Choose two.)

A. Telnet

B. ICMP

C. DHCP

D. RIP

عرض الإجابة

اجابة صحيحة: CD

السؤال #23

Random early detection (RED) is associated with which class of service component?

A. classification

B. policing

C. queuing

D. scheduling

عرض الإجابة

اجابة صحيحة: D

السؤال #24

Which operational mode command can be used to synchronize the local system time with an NTP server?

A. set ntp time 64

B. set clock ntp 64

C. set time 64

D. set date ntp 64

عرض الإجابة

اجابة صحيحة: D

السؤال #25

Which command displays the amount of space available on the storage media?

A. show chassis routing-engine

B. show system file-storage

C. file list

D. show system storage

عرض الإجابة

اجابة صحيحة: D

السؤال #26

Which two statements are true regarding routing policy processing? (Choose two.)

A. The Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs

B. Policies are evaluated from right to left as displayed in the Junos OS configuration file

C. Polices are evaluated based on the order in which they are applied to a routing protocol

D. Policy processing stops once the last statement in the policy is evaluated

عرض الإجابة

اجابة صحيحة: AC

السؤال #27

By default, if equal-cost paths exist for the same destination, which action will the router take?

A. Drop half the traffic

B. Make a copy of the traffic and send it to both destinations

C. Load-balance traffic between the available paths

D. Randomly select one of the available paths to send traffic

عرض الإجابة

اجابة صحيحة: D

السؤال #28

You have been assigned the /24 network and need to segment it into at least 60 subnets. Which network mask meets this requirement?

A. /27

B. /28

C. /29

D. /30

عرض الإجابة

اجابة صحيحة: D

السؤال #29

The marketing team needs access to a server on a subnet 172.0.46.0/24. The next-hop router is 10.0.4.2/30. A static route on their gateway has been configured to accomplish the task. You want to keep the static route from being redistributed into dynamic routing protocols. Which command will satisfy this requirement?

A. Set routing-options static route 172

B. Set routing-options static route 172

C. Set routing-options static route 172

D. Set routing-options static route 172

عرض الإجابة

اجابة صحيحة: C

السؤال #30

Which command allows you to view the raw packet data of interface ge-1/0/5?

A. Show interface ge-1/0/5 media

B. Monitor interface traffic ge-1/0/5

C. Show interface ge-/1/0/5 extensive

D. Monitor traffic interface ge-1/0/5

عرض الإجابة

اجابة صحيحة: D

السؤال #31

The monitor traffic command provides access to which utility?

A. tcpdump

B. telnet

C. traceroute

D. netstat

عرض الإجابة

اجابة صحيحة: A

السؤال #32

You are creating a new policy to accept and redistribute routes into you IGP. In this scenario, which match criteria would you use to identify the route prefixes to select?

A. neighbor

B. route-filter

C. instance

D. route-type

عرض الإجابة

اجابة صحيحة: B

السؤال #33

What are two advantages of using the Junos OS? (Choose two.)

A. It enables you to roll back to a previous configuration

B. It supports up to a maximum of two previous configurations

C. It pushes your configuration changes "live" immediately

D. It is modular

عرض الإجابة

اجابة صحيحة: AD

السؤال #34

What is the purpose of the discard action of a firewall filter?

A. The system drops the packet and logs the entry

B. The system drops the packet and sends an ICMP message

C. The system silently drops the packet

D. The system evaluates the next term in the policy

عرض الإجابة

اجابة صحيحة: C

السؤال #35

Which two statements describe the functions of the Packet Forwarding Engine (PFE)? (Choose two.)

A. The PFE will route or switch packets or frames out of the correct interface as quickly as possible

B. The PFE will apply filters and routing policies when forwarding the packets to their final destination

C. A The PFE will process management traffic to help monitor and manage the network device

D. A The PFE will calculate the best network path to each individual subnet based on input from various routing protocols and static routes

عرض الإجابة

اجابة صحيحة: AB

السؤال #36

Exhibit: You notice traffic destined to 172.31.17.0/24 is traversing an OSPF path rather than BGP Path. What is causing this behavior?

A. The 172

B. The 172

C. The 172

D. The 172

عرض الإجابة

اجابة صحيحة: B

السؤال #37

Which layer of the OSI model does a router use to make forwarding decisions?

A. Layer 3

B. Layer 4

C. Layer 5

D. Layer 2

عرض الإجابة

اجابة صحيحة: A

السؤال #38

You must verify that interface ge-0/0/0.0 is administratively up and that the link is up. In this scenario, which command will accomplish this task?

A. show configuration interfaces ge-0/0/0

B. show chassis fpc pic-status

C. show system information

D. show interfaces terse

عرض الإجابة

اجابة صحيحة: D

السؤال #39

What are two attributes of the UDP protocol? (Choose two.)

A. UDP is connectionless

B. UDP is best effort

C. UDP is more reliable than TCP

D. UDP is always slower than TCP

عرض الإجابة

اجابة صحيحة: AB

السؤال #40

What are two attributes of the UDP protocol? (Choose two.)

A. DP is best effort

B. DP is always slower than TCP

C. DP is connectionless

D. DP is more reliable than TCP

عرض الإجابة

اجابة صحيحة: AC

السؤال #41

Which two addresses are included in an Ethernet frame header? (Choose two.)

A. destination MAC address

B. source IP address

C. destination IP address

D. source MAC address

عرض الإجابة

اجابة صحيحة: AD

السؤال #42

Exhibit: Assuming both paths shown in the exhibit are available, which statement is correct?

A. Traffic matching the default route will use 172

B. Traffic matching the default route will use 172

C. Traffic matching the default route will be load-balanced per flow across both next hops

D. Traffic matching the default route will be load-balanced per packet across both next hops

عرض الإجابة

اجابة صحيحة: B

السؤال #43

You are configuring a firewall filter on a Juniper device. In this scenario, what are two valid terminating actions? (Choose two.)

A. count

B. discard

C. accept

D. next term

عرض الإجابة

اجابة صحيحة: BC

السؤال #44

You are trying to diagnose packet loss at interface ge-0/0/3.In this scenario, which command would help you view error statistics in real time?

A. onitor interface ge-0/0/3

B. how interface ge-0/0/3

C. how interface terse

D. onitor interface traffic

عرض الإجابة

اجابة صحيحة: A

السؤال #45

Which two components are included in a transport header? (Choose two.)

A. source port number

B. source MAC address

C. destination MAC address

D. destination port number

عرض الإجابة

اجابة صحيحة: AD

السؤال #46

Click the Exhibit button What is the next-hop interface for traffic destined to 172.19.52.101 as shown in the exhibit?

A. ge-0/0/3

B. ge-0/0/0

C. ge-0/0/2

D. ge-0/0/1

عرض الإجابة

اجابة صحيحة: D

السؤال #47

The IP address 10.1.1.1 belongs to which class of IP address space?

A. Class A

B. Class B

C. Class C

D. Class D

عرض الإجابة

اجابة صحيحة: A

السؤال #48

Which two statements are true about the PFE? (Choose two.)

A. The PFE handles all processes that control the chassis components

B. The PFE is responsible for performing protocol updates and system management

C. The PFE uses Layer 2 and Layer 3 forwarding tables to forward traffic toward its destination

D. The PFE implements various services such as policing, stateless firewall filtering, and class of service

عرض الإجابة

اجابة صحيحة: CD

السؤال #49

Which two statements are correct about MAC addresses? (Choose two.)

A. Switches use the Address Resolution Protocol table to assign MAC addresses to network interface cards in the forwarding frame

B. Switches use the destination MAC address to identify the next-hop destination and to change the destination MAC address in the frame

C. The source and destination MAC addresses always remains static to the final destination

D. The MAC address identifies the physical hardware

عرض الإجابة

اجابة صحيحة: CD

السؤال #50

What are two physical interface properties? (Choose two.)

A. routing protocols

B. MTU

C. IP address

D. MAC address

عرض الإجابة

اجابة صحيحة: BD

السؤال #51

You received a new Junos device and are configuring the system-related settings. You must configure this device for the current date and time on the US West coast. You have set the time zone to America/Los_Angeles, however the time and date did not change. In this scenario, which two additional actions would satisfy this requirement? (Choose two.)

A. Configure an NTP server

B. Set the date and time setting manually

C. Reboot the device

D. Configure a DNS server

عرض الإجابة

اجابة صحيحة: AB

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