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السؤال #1
Which two statements are true when using the configure exclusive CLI command? (Choose two.)
A. Multiple users can enter configuration mode and have their own private configuration
B. When a user commits, only the user's changes are committed
C. A message indicates which other users are in configuration mode and what portion of the configuration they are editing
D. Only a single user can edit the configuration
عرض الإجابة
اجابة صحيحة: A
السؤال #2
Which two design goals describe the Junos OS design? (Choose two.)
A. clean separation of security and routing policies
B. clean separation of control and forwarding planes
C. modularization of multiple software processes
D. a single hardware platform for all software applications
عرض الإجابة
اجابة صحيحة: D
السؤال #3
Which statement is correct regarding the Junos OS?
A. The same Junos OS image is used on all Junos devices
B. The Junos OS provides separation between the control and forwarding planes
C. Each Junos OS image is based on model-specific source code
D. The Junos OS creates a secondary instance of the kernel to ensure redundancy
عرض الإجابة
اجابة صحيحة: B
السؤال #4
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. hosts on the same Layer 3 broadcast domain
D. routing information on participating Layer 3 devices
عرض الإجابة
اجابة صحيحة: AC
السؤال #5
On which operating system is the Junos OS based?
A. ScreenOS
B. Solaris
C. FreeBSD
D. HP-UX
عرض الإجابة
اجابة صحيحة: D
السؤال #6
-- 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 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
عرض الإجابة
اجابة صحيحة: AD
السؤال #7
How many host addresses are available in the 172.27.0.0/28 network?
A. 6
B. 14
C. 28
D. 30
عرض الإجابة
اجابة صحيحة: B
السؤال #8
Which process is responsible for the routing protocols on a Junos device?
A. rpd
B. mgd
C. dcd
D. chassisd
عرض الإجابة
اجابة صحيحة: B
السؤال #9
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: AC
السؤال #10
What are three types of routing instances? (Choose three.)
A. VPN
B. virtual-router
C. policy
D. VRF
E. forwarding
عرض الإجابة
اجابة صحيحة: CD
السؤال #11
Which CLI command do you use to determine which files are cleanup candidates?
A. request system storage cleanup candidates
B. request system services storage candidates
C. request system services candidate cleanup
D. request system storage cleanup dry-run
عرض الإجابة
اجابة صحيحة: A
السؤال #12
Which command is used to display all output at once?
A. show interfaces | all
B. show interfaces | no-more
C. show interfaces | hold
D. show interfaces | display-all
عرض الإجابة
اجابة صحيحة: C
السؤال #13
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: C
السؤال #14
Which statement is true regarding the forwarding plane?
A. The forwarding plane is contained within the Routing Engine (RE)
B. The forwarding plane processes and evaluates exception traffic
C. The forwarding plane contains the Packet Forwarding Engine (PFE)
D. The forwarding plane is not present on all platforms running the Junos OS
عرض الإجابة
اجابة صحيحة: BD
السؤال #15
Which two commands would you use to discard a candidate configuration? (Choose two.)
A. rollback
B. delete
C. delete 0
D. rollback 0
عرض الإجابة
اجابة صحيحة: D
السؤال #16
Which command do you use to show active alarms?
A. show hardware state
B. show system alarms
C. show chassis state
D. show services alarms
عرض الإجابة
اجابة صحيحة: A
السؤال #17
What happens when you issue the ping 172.19.102.2 count 5 command?
A. ICMP echo requests are sent to 172
B. ICMP echo requests are sent to 172
C. ICMP echo requests are sent to 172
D. ICMP echo requests are sent continuously to 172
عرض الإجابة
اجابة صحيحة: C
السؤال #18
Which two statements are correct regarding default protocol preference values? (Choose two.)
A. OSPF internal routes have a lower preference than static routes
B. Both direct and local 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
عرض الإجابة
اجابة صحيحة: C
السؤال #19
Which statement is correct about policies in the Junos OS?
A. Import policies are used to filter routes from the routing table to the forwarding table
B. Import policies are used to filter routes destined for the routing table
C. Import policies are used to filter routes being sent to neighboring devices
D. Import policies are used to filter traffic entering the device
عرض الإجابة
اجابة صحيحة: D
السؤال #20
Which two commands will successfully create ping traffic? (Choose two.)
A. user@router# ping 10
B. user@router# run ping 10
C. user@router> ping 10
D. user@router> request ping 10
عرض الإجابة
اجابة صحيحة: D
السؤال #21
Which CLI keyboard sequence allows you to move the cursor to the beginning of the line?
A. Ctrl+e
B. Ctrl+p
C. Ctrl+w
D. Ctrl+a
عرض الإجابة
اجابة صحيحة: B
السؤال #22
Which J-Web tab do you use to add licenses to the device?
A. "Configure"
B. "Troubleshoot"
C. "Monitor"
D. "Maintain"
عرض الإجابة
اجابة صحيحة: BD
السؤال #23
What is the network address for the 10.13.147.100/19 host?
A. 10
B. 10
D. 10
عرض الإجابة
اجابة صحيحة: A
السؤال #24
Which two statements describe the forwarding table in the Junos OS? (Choose two.)
A. The forwarding table contains all known routes
B. The forwarding table stores a subset of information from the routing table
C. Junos devices use the forwarding table to compare incoming packets against existing entries to determine the next hop
D. If multiple matches exist, the forwarding table uses the least-specific entry to forward packets toward the destination
عرض الإجابة
اجابة صحيحة: C
السؤال #25
You issue the ping interface t1-1/1/0 1.1.1.1 bypass-routing count 1000 rapid command. Which statement is correct?
A. The bypass-routing parameter is used to test the density on the T1 line
B. The bypass-routing parameter cannot be used on a T1 interface
C. The bypass-routing parameter allows you to ping a host through an interface that has no route through it
D. The bypass-routing parameter allows you to ping a local WAN interface without generating any outbound traffic
عرض الإجابة
اجابة صحيحة: D
السؤال #26
You are configuring a new BGP neighbor and want to view the configuration of interface ge-0/0/0.42. Which command do you use to achieve this result?
A. [edit protocols bgp group external] user@router# set interfaces ge-0/0/0
B. [edit protocols bgp group external] user@router# edit show interfaces ge-0/0/0
C. [edit protocols bgp group external] user@router# top show interfaces ge-0/0/0
D. [edit protocols bgp group external] user@router# show interfaces ge-0/0/0
عرض الإجابة
اجابة صحيحة: A
السؤال #27
-- Exhibit -- [edit policy-options] user@router# show policy- statement block-routes { term 1 { from { route-filter 172.27.0.0/24 longer; } then reject; } term 2 { then accept; } } -- Exhibit -- You are asked to ensure that your device does not accept any prefixes within the 172.27.0.0/24 network. You have applied the policy shown in the exhibit, but the 172.27.0.0/24 route is still present on your device. Which configuration will resolve this problem?
A. [edit policy-options policy-statement block-routes] user@router# set term 1 from route-filter 172
B. [edit policy- options policy-statement block-routes] user@router# set term 1 from route-filter 172
C. [edit policy-options policy-statement block-routes] user@router# set term 2 from route- filter 172
D. [edit policy-options policy-statement block-routes] user@router# set term 2 from route-filter 172
عرض الإجابة
اجابة صحيحة: ACD
السؤال #28
Which two statements are correct about firewall filters in the Junos OS? (Choose two.)
A. Firewall filters are stateless
B. Firewall filters are used to control routing information that is exchanged between devices
C. Firewall filters are used to control traffic passing through the device
D. Firewall filters can only be applied to traffic entering the device
عرض الإجابة
اجابة صحيحة: AC
السؤال #29
-- Exhibit -- [edit] user@router# show | compare [edit protocols ospf area 0.0.0.0] - interface ge-0/0/0.0 { - disable; - } [edit protocols ospf] area 0.0.0.0 { ... } + area 0.0.0.1 { + interface ge-0/0/0.0; + } -- Exhibit -- Referring to the exhibit, what are two differences between the active and candidate configurations? (Choose two.)
A. The ge-0/0/0 interface was added to the candidate configuration
B. Area 0 was added to the active configuration
C. Area 1 was added to the candidate configuration
D. The ge-0/0/0 interface was added to the active configuration
عرض الإجابة
اجابة صحيحة: C
السؤال #30
Which statement describes the PFE?
A. The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tables
B. The PFE implements advanced services such as policing, stateless firewall filtering, and class of service
C. The PFE sends traffic to the RE for systematic packet forwarding
D. The PFE receives hardware and environmental status messages from the RE
عرض الإجابة
اجابة صحيحة: BC
السؤال #31
Which information would you find using the CLI help function? (Choose two.)
A. message of the day
B. tip of the day
C. explanation for specific system log error messages
D. explanation for specific traceoptions log messages
عرض الإجابة
اجابة صحيحة: AC
السؤال #32
How do you ping from configuration mode?
A. [edit interfaces] user@router# run ping 1
B. [edit interfaces] user@router# ping 1
C. [edit interfaces] user@router# up ping 1
D. [edit interfaces] user@router# exit ping 1
عرض الإجابة
اجابة صحيحة: B
السؤال #33
You want to log in to the router and make a configuration change. After logging in as the root user, what is the next command you must enter?
A. enable
B. configure
C. edit
D. cli
عرض الإجابة
اجابة صحيحة: D

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