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السؤال #1
What are two services performed by the Packet Forwarding Engine? (Choose two.)
A. to process transit traffic
B. to implement stateless firewall filtering
C. to handle processes that control the device's Interfaces
D. to maintain the routing tables
عرض الإجابة
اجابة صحيحة: AB
السؤال #2
Click the Exhibit button. ***Exhibit is Missing*** UserA is currently working on routed and has issued the commands shown in the exhibit. UserB wants to update the IP address currently configured on interface xe-1/2/1.0. What will UserB do to complete the configuration changes without interfering with UserA's work?
A. UserB should use the configure private option to complete the changes while UserA continues with the changes
B. UserB should use the configure exclusive option to complete the changes while UserA continues with the changes
C. Use the edit command and run the commit confirmed option then proceed with UserB's changes
D. Wait for UserA to finish then proceed with changes using the configure private option
عرض الإجابة
اجابة صحيحة: B
السؤال #3
Which two platforms are supposed in both physical and virtual form factors? Choose TWO
A. NFX Series
B. ACX Series
C. SRX Series
D. MX Series
عرض الإجابة
اجابة صحيحة: CD
السؤال #4
Exhibit: Referring to the exhibit, which statement is true?
A. Traps are allowed from 10
B. Traps are sent to 10
C. Traps are sent to 10
D. Traps are allowed from 10
عرض الإجابة
اجابة صحيحة: D
السؤال #5
What are three characteristics of Layer 2 switches? (Choose Three)
A. Layer 2 switches separates multicast domains
B. Layer 2 switches separates collision domains
C. Layer 2 switches forward traffic addressed to hosts that reside on the same collision domain
D. Layer 2 switches forward traffic addressed to hosts that reside on a different collision domain
E. Layer 2 switches forward broadcast traffic
عرض الإجابة
اجابة صحيحة: BDE
السؤال #6
What is a function of the PFE?
A. to generate protocol control traffic
B. to monitor chassis components
C. to apply stateless firewall filters
D. to generate forwarding tables
عرض الإجابة
اجابة صحيحة: C
السؤال #7
What is the maximum number of rollback files a Junos device can store?
A. 5
B. 10
C. 49
D. 50
عرض الإجابة
اجابة صحيحة: D
السؤال #8
Which two platforms are supported in physical and virtual form factors? (Choose two.)
A. NFX Series
B. SRX Series
C. MX Series
D. ACX Series
عرض الإجابة
اجابة صحيحة: BC
السؤال #9
What are two link state routing protocols? (Choose two.)
A. IS-IS
B. OSPF
C. IBGP
D. EBGP
عرض الإجابة
اجابة صحيحة: AC
السؤال #10
Which command is used to validate the syntax of a configuration without applying the configuration?
A. commit check
B. commit confirmed
C. commit synchronize
D. commit and-quit
عرض الإجابة
اجابة صحيحة: A
السؤال #11
What are three acceptable modifiers to a terminating action on a firewall filter? (Choose three.)
A. policer
B. count
C. log
D. discard
E. syslog
عرض الإجابة
اجابة صحيحة: BCE
السؤال #12
Which two protocols use UDP to facilitate speed? (Choose two.)
A. OFTP
B. TFTP
C. SCP
D. SNMP
عرض الإجابة
اجابة صحيحة: BD
السؤال #13
You loaded the factory-default configuration on your Junos device. Which single element must be configured before a commit command will succeed?
A. An IPv4 address must be configured on the fxpO or emO interface
B. An IPv4 default route must be configured
C. A hostname must be configured
D. A root password must be configured
عرض الإجابة
اجابة صحيحة: D
السؤال #14
What is the network address for a host with an IP address of 192.168.87.125/16?
A. 192
B. 192
C. 192
D. 192
عرض الإجابة
اجابة صحيحة: D
السؤال #15
Click the Exhibit button. A user attempts to log in to a Junos device. but the RADIUS server is unreachable. Referring to the exhibit, what is the default action of a Junos device in this scenario?
A. The Junos device retries every 30 seconds until the connection is restored
B. The Junos device uses the local authentication database
C. The Junos device displays a RADIUS connection error
D. The Junos device prompts for a cached RADIUS password
عرض الإجابة
اجابة صحيحة: C
السؤال #16
What does the output of the show route forwarding-table command display?
A. The routing protocol databases in the Routing Engine
B. The inactive entries in the Routing Engine's routing table
C. The Routing Engine's forwarding table
D. The Packet Forwarding Engine routing table
عرض الإجابة
اجابة صحيحة: C
السؤال #17
The PFE receives which two tables from the RE? (Choose two.)
A. Layer 5 forwarding table
B. Layer 2 forwarding table
C. Layer 3 forwarding table
D. Laver 4 forwardina table
عرض الإجابة
اجابة صحيحة: BC
السؤال #18
Which system-defined user class is able to perform all operations on a device?
A. operator
B. authorized
C. read-write
D. super-user
عرض الإجابة
اجابة صحيحة: D
السؤال #19
What is the name of the volume containing the software and files used for the day-to day operation of a device using Junos with upgraded FreeBSD?
A. /var
B. /active
C. /junos
D. /oam
عرض الإجابة
اجابة صحيحة: C
السؤال #20
Click the Exhibit button. Which two statements about the output shown in the exhibit are correct? (Choose two.)
A. The neighbors are not using the Junos OS default OSPF priority value
B. The IP address assigned to the router's ge-0/0/1
C. The router has two OSPF adjacencies
D. The router ID of the neighbor connected to the ge-0/0/1
عرض الإجابة
اجابة صحيحة: AC
السؤال #21
When you choose to read your e-mail using an e-mail client, your e-mail client interacts with which OSI layer?
A. presentation
B. transport
C. application
D. session
عرض الإجابة
اجابة صحيحة: B
السؤال #22
Given the following configuration, set system authentication-order [ tacplus ] Which two statements are correct? (Choose two.)
A. If the TACACS+ server is available and rejects the username/password provided, the user is not allowed to access the device
B. If the TACACS+ server is available and rejects the username/password provided, the local password database is checked
C. If the TACACS+ server is not available, the user is not allowed to access the device
D. If the TACACS+ server is not available, the local user database is checked
عرض الإجابة
اجابة صحيحة: CD
السؤال #23
How would you change the display so the display so that 40 lines will be displayed in the terminal program when you are logged into a Junos device?
A. Issue the set cli screen-length 40 command from configuration mode
B. Set the display options in your terminal program
C. Issue the set cli screen-length 40 command from operational mode
D. Set the windows size of your terminal program
عرض الإجابة
اجابة صحيحة: C
السؤال #24
Which command should you use to check real-time statistics of all active interfaces?
A. ser@router> monitor interface traffic
B. ser@router> show interface detail
C. ser@router> show interface terse
D. ser@router> monitor traffic extensive
عرض الإجابة
اجابة صحيحة: A
السؤال #25
You notice that the terms in your firewall filter are not in the correct order. What would solve this problem?
A. Use the insert command to reorder the terms within the filter
B. Use the count parameter to ensure that the terms are evaluated correctly
C. Use the reject action to change the action of the filter
D. Use the next term action to force an evaluation of the next term
عرض الإجابة
اجابة صحيحة: A
السؤال #26
What statement is true about the orlonger route-filter match type?
A. All routes within the specified prefix that are longer than the given prefix are considered a match
B. All routes within the specified prefix that are longer or equal to the given prefix up to a defined acceptable prefix length are considered a match
C. All routes within the specified prefix that are longer or equal to the given prefix are considered a match
D. All routes within the specified prefix that are longer than the given prefix up to a defined acceptable prefix length are considered a match
عرض الإجابة
اجابة صحيحة: A
السؤال #27
Which TWO of the following are private IP addresses?
A. 12
B. 168
C. 172
D. 172
E. 192
عرض الإجابة
اجابة صحيحة: C
السؤال #28
Given the configuration shown below: set system authentication-order [tacplus] Which two statement are correct? (Choose two.)
A. If the TACACS+ server is no available, the user is not allowed to access the device
B. If the TACACS+ server is no available, the local database is checked
C. If the TACACS+ server is available, and rejects the username/password provided, the local password database is checked
D. If the TACACS+ server is available, and rejects the username/password provided, the user is not allowed to access the device
عرض الإجابة
اجابة صحيحة: BD
السؤال #29
The user root is unable to connect to the router using SSH. Referring to the exhibit, which configuration change will correct the problem?
A. [edit] user@router# set system services ssh root-login allow
B. [edit] userr@outer# set system services ssh
C. [edit] user@router# delete system services ssh
D. [edit] use^@router# delete system services ssh root-login deny
عرض الإجابة
اجابة صحيحة: A
السؤال #30
Which three statements describe the Transmission Control Protocol (TCP)? (Choose three.)
A. TCP is a transport layer protocol
B. TCP is faster than the User Datagram Protocol (UDP)
C. TCP provides delivery notification and error-checking mechanisms
D. TCP uses a best-effort delivery approach
E. TCP application examples include HTTP and SMTP
عرض الإجابة
اجابة صحيحة: ACE
السؤال #31
Which parameter must be included when executing operational mode commands from within configuration mode?
A. run
B. prompt
C. insert
D. do
عرض الإجابة
اجابة صحيحة: A
السؤال #32
Click the Exhibit button. Referring to the exhibit, which two statements are correct? (Choose two.)
A. The last 5 second CPU utilization is 99%
B. The last 5 second CPU utilization is 1%
C. The control plane memory used is 63%
D. The data plane memory used is 63%
عرض الإجابة
اجابة صحيحة: BC
السؤال #33
You have entered the command "show log messages | match "error | kernel | panic", which statement is correct regarding the keywords error, kernel and panic in the output?
A. the output messages will contain all messages from the file except the ones that contain all three defined keywords
B. the output messages will contain all messages from the file that contains all three defined Keywords
C. the output messages will contain all messages from the file that contains at least one of the three defined keywords
D. the output messages will contain all messages from the file except the ones that contains at least one of the three defined keywords
عرض الإجابة
اجابة صحيحة: B
السؤال #34
Referring to the exhibit. Which OSPF feature would connect Area 2 to Area 0?
A. route summarization
B. equal-cost multipath
C. virtual link
D. database synchronization
عرض الإجابة
اجابة صحيحة: C
السؤال #35
You are in configuration mode at the top of the hierarchy. How would you save your configuration to a file on the router?
A. save configuration
B. save config
C. save
D. save run
عرض الإجابة
اجابة صحيحة: C
السؤال #36
What are two default password requirements on devices running Junos OS? (Choose two.)
A. Passwords must be at least six characters in length
B. An expiration date must be set
C. Passwords must contain at least one special character
D. Alphanumeric characters classes must be used
عرض الإجابة
اجابة صحيحة: AD
السؤال #37
Which two interfaces are considered physical interfaces? (Choose two.)
A. xe-10/2/1
B. ge-0/0/0
C. et-3/0/0/0:0
D. et-7/1/4
عرض الإجابة
اجابة صحيحة: AB
السؤال #38
Click the Exhibit button. Referring to the exhibit, which command was issued to generate the output?
A. show chassis routing-engine
B. show chassis hardware
C. show chassis environment
D. show chassis fpc
عرض الإجابة
اجابة صحيحة: B
السؤال #39
After logging in as root, you enter the cl i command. What does this command do? A.
A. A
B. B
C. C
D. D
عرض الإجابة
اجابة صحيحة: C
السؤال #40
Which two statements describe a routing policy?
A. Active and inactive routes are available for export from the routing table
B. A routing policy allows you to control the flow of information into the routing table
C. Routing policy are used to choose which routes are sent to neighbors using dynamic routing Protocols
D. Attribute changes applied to export policies always affect the local routing table
عرض الإجابة
اجابة صحيحة: BC
السؤال #41
A packet enters a Junos device. No matching destination entry exists in the forwarding table. How will the device respond?
A. The RE responds to the source with a destination unreachable notification message
B. The PFE responds to the destination with a source unreachable notification message
C. The PFE responds to the source with a destination unreachable notification message
D. The RE responds to the destination with a source unreachable notification message
عرض الإجابة
اجابة صحيحة: B
السؤال #42
Click the Exhibit button. Referring to the exhibit, which action would synchronize the local router's clock with the NTP server?
A. Configure the correct NTP trusted key using the net trusted-key configuration command under the [edit system ntp] hierarchy
B. Issue the set date ntp operational command
C. Configure the NTP server using the set boot-server 172
D. Reboot the router
عرض الإجابة
اجابة صحيحة: B
السؤال #43
Which statement is true when using the allow command and deny command attributes when creating user permissions?
A. If you allow and deny the same commands, the Junos OS will fail the commit check
B. If you allow and deny the same command, the allow command permissions take precedence over the deny command permissions
C. If you specify a regular expression for allow and deny with two variants of a command, both will be ignored
D. The all login class permission bits take precedence over allow and deny when a user issues the rollback command
عرض الإجابة
اجابة صحيحة: B
السؤال #44
Click the Exhibit button. Which statement is correct regarding the configurration shown in the exhibit?
A. When the ospf-trace file has created five files, it will stop logging additional information
B. When the ospf-trace file reaches the 64 KB file size, it is renamed and begins a new file
C. The ospf-trace file will automatically replace any existing trace file with the same name
D. Timestamp information will not be included for each line of ospf-trace
عرض الإجابة
اجابة صحيحة: B
السؤال #45
Click the Exhibit button. You configured the route filter shown in the exhibit. In this scenario, which IP addresses would term-One accept?
A. IP addresses that are part of the 172
B. IP addresses that are part of the 172
C. IP addresses that are part of the 172
D. IP addresses that are part of the 172
عرض الإجابة
اجابة صحيحة: C
السؤال #46
What are three firewall filter terminating actions? (Choose three.)
A. discard
B. reject
C. log
D. accept
E. drop
عرض الإجابة
اجابة صحيحة: ABE
السؤال #47
Which command will completely turn off a Junos device?
A. request system halt
B. request chassis fpc offline
C. request system power-off
D. request system recover
عرض الإجابة
اجابة صحيحة: C
السؤال #48
In which directory are trace option files stored by default?
A. /var/tmp/
B. /var/log/
C. /var/home/
D. /var/db/
عرض الإجابة
اجابة صحيحة: B
السؤال #49
Your firewall filters are not in the correct order, what would solve this problem?
A. Use the next-term action to force an evaluation of the next-term
B. Use the commit parameter to ensure that terms are evaluated correctly
C. Use the reject action to change the action of the filter
D. Use the filter command to reorder the terms with the filter
عرض الإجابة
اجابة صحيحة: D
السؤال #50
Referring to the exhibit. what happens when you issue the exit command at the [edit protocols ospf area 0.0.0.51 stub] hierarchy level?
A. You move one level up to the [edit protocols ospf area 0
B. You exit the configuration mode
C. You move to the [edit] hierarchy level
D. You move to the most recent higher level of the [edit protocols ospf] hierarchy
عرض الإجابة
اجابة صحيحة: D

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