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السؤال #1
You have been allocated a /22 network. How many usable hosts are available?
A. 510
B. 512
C. 1022
D. 1024
عرض الإجابة
اجابة صحيحة: C
السؤال #2
You are modifying the default route preference under the [edit protocols] hierarchy. In which two routing information sources can you change the default preference value? (Choose two.)
A. local
B. OSPF
C. direct
D. BGP
عرض الإجابة
اجابة صحيحة: BD
السؤال #3
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. show services accounting usage
عرض الإجابة
اجابة صحيحة: B
السؤال #4
Which class-of-service component allows you to define the bandwidth allocated to different traffic types?
A. classification
B. rewrite marking
C. scheduling
D. queuing
عرض الإجابة
اجابة صحيحة: C
السؤال #5
What are two valid match criteria for a routing policy? (Choose two.)
A. OSPF area ID
B. prefix list
C. port
D. time-to-live (TTL)
عرض الإجابة
اجابة صحيحة: AB
السؤال #6
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
عرض الإجابة
اجابة صحيحة: ABC
السؤال #7
Which two statements about subnet masks are true? (Choose two.)
A. If a bit is turned on (1), the corresponding bit in the IP address is used for the host portion
B. If a bit is turned off (0), the corresponding bit in the IP address is used for the host portion
C. If a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix
D. If a bit is turned off (0), the corresponding bit in the IP address is used for the network prefix
عرض الإجابة
اجابة صحيحة: BC
السؤال #8
Which statement is true about the forwarding table?
A. The forwarding table is stored in the control plane only
B. The forwarding table is stored in the control plane and in the forwarding plane
C. The forwarding table contains both active and inactive routes
D. The forwarding table can contain only a single next hop per destination
عرض الإجابة
اجابة صحيحة: B
السؤال #9
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
عرض الإجابة
اجابة صحيحة: CDE
السؤال #10
Which statement is true regarding the Network Time Protocol (NTP) on Junos devices?
A. MD5 authentication is supported by the Junos OS
B. Server mode is not supported by the Junos OS
C. The Junos OS can provide a primary time reference
D. The Junos OS does not support the use of a boot server
عرض الإجابة
اجابة صحيحة: A
السؤال #11
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
عرض الإجابة
اجابة صحيحة: A
السؤال #12
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: B
السؤال #13
Which two options are reasons for using traffic classification? (Choose two.)
A. to use the classification to route traffic
B. to use the classification to reorder packets from various sources
C. to use the classification to discard malformed packets
D. to use the classification to provide the configured service level
عرض الإجابة
اجابة صحيحة: AD
السؤال #14
Which three statements are true about IPv6 link local address? (Choose three.)
A. They begin with the prefix fe80::/64
B. They are optional addresses
C. They provide reachability to the Internet
D. They are not guaranteed to the unique outside of the network segment
E. They can be assigned manually or dynamically
عرض الإجابة
اجابة صحيحة: ADE
السؤال #15
What are three valid match criteria in a firewall filter applied to a Layer 3 interface? (Choose three.)
A. IP address
B. MAC address
C. protocol
D. port
E. session ID
عرض الإجابة
اجابة صحيحة: ACD
السؤال #16
Which operating system do Juniper Networks MX Series routers use?
A. IOS
B. MX-OS
C. UNIX
D. Junos OS
عرض الإجابة
اجابة صحيحة: D
السؤال #17
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: D
السؤال #18
When troubleshooting ATM, which command would allow you to test reachability from one side of an ATM cloud to the other?
A. ping atm vci 0
B. ping atm vci 0
C. ping atm vci 0
D. ping atm vci 0
عرض الإجابة
اجابة صحيحة: A
السؤال #19
What is the default import routing policy for OSPF?
A. Accept all OSPF routes and install them into the inet
B. Accept all OSPF routes and install them into the inet7
C. Accept all OSPF routes and install them into the inet4
D. Accept all OSPF routes and install them into the inet
عرض الإجابة
اجابة صحيحة: D
السؤال #20
What represents the decimal equivalence of 01101110?
A. 90
B. 96
C. 110
D. 118
عرض الإجابة
اجابة صحيحة: C
السؤال #21
What represents the binary equivalence of 207?
A. 11001111
B. 11101011
C. 11010111
D. 11010101
عرض الإجابة
اجابة صحيحة: A
السؤال #22
Which two firewall filter actions will affect a packet's class-of-service settings? (Choose two.)
A. Forwarding-class
B. Scheduler
C. Queue
D. Loss-priority
عرض الإجابة
اجابة صحيحة: AD
السؤال #23
Which two statements are true about firewall filter configurations? (Choose two.)
A. Multiple action modifiers can be included in the same term
B. Only a single action modifier can be included in the same term
C. If an action modifier exists without a terminating action, matching packets will be accepted
D. If an action modifier exists without a terminating action, matching packets will be discarded
عرض الإجابة
اجابة صحيحة: AC
السؤال #24
What is the default route preference value for EBGP?
A. 20
B. 100
C. 170
D. 200
عرض الإجابة
اجابة صحيحة: C
السؤال #25
Which two protocols are connection-oriented? (Choose two.)
A. Ethernet
B. PPP
C. TCP
D. UDP
عرض الإجابة
اجابة صحيحة: BC
السؤال #26
-- Exhibit -[edit firewall family inet filter COS-CLASSIFIER] user@router# show term MANAGER { from { source-address { 192.168.200.0/25; } destination-address { 100.100.100.1/32; } } then { forwarding-class expedited-forwarding; accept; } } term ALL-OTHER-TRAFFIC { then accept; } [edit interfaces ge-0/0/1] user@router# show unit 0 { familyinet { filter { input COS-CLASSIFIER; } address 192.168.200.1/24; } } -- Exhibit -Referring to the exhibit, which type of classifier is being used in this CoS configuratio
A. behavior aggregate
B. policer
C. multifield
D. forwarding policy
عرض الإجابة
اجابة صحيحة: C
السؤال #27
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: D
السؤال #28
After factory-defaults have been loaded, which two syslog files will be present in the configuration?
A. system and chassis
B. syslog-messages and NVRAM
C. messages and interactive-commands
D. authorization and events
عرض الإجابة
اجابة صحيحة: C
السؤال #29
What is correct regarding the configuration shown below? static route 0.0.0.0/0 qualified-next-hop 172.30.25.1 preference 7 next-hop 172.30.25.5
A. The next-hop 172
B. The next-hop 172
C. The next-hop 172
D. The next-hop 172
عرض الإجابة
اجابة صحيحة: D
السؤال #30
What information is used by a switch to forward an Ethernet frame to its destination?
A. IP address
B. destination MAC address
C. ARP table entry
D. FCS checksum
عرض الإجابة
اجابة صحيحة: B
السؤال #31
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 #32
What is a benefit of using J-Web?
A. It simultaneously manages multiple devices
B. It provides more advanced features than the CLI
C. It provides a customizable dashboard
D. It provides console-based management
عرض الإجابة
اجابة صحيحة: C
السؤال #33
What are two benefits when implementing class of service? (Choose two.)
A. Traffic congestion will be eliminated
B. Traffic congestion can be managed
C. The network will be faster
D. Latency-sensitive traffic can be prioritized
عرض الإجابة
اجابة صحيحة: BD
السؤال #34
You are asked to view the real-time usage statistics for the busiest interfaces on a device running Junos OS. Which command will achieve this task?
A. show interfaces extensive
B. monitor interface traffic
C. monitor traffic absolute-sequence
D. monitor traffic
عرض الإجابة
اجابة صحيحة: B
السؤال #35
Which two external authentication methods does Junos support for administrative access? (Choose two.)
A. RADIUS
B. TACACS+
C. NIS
D. ACE
عرض الإجابة
اجابة صحيحة: AB
السؤال #36
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 #37
What is the maximum number of rollback configuration files that the Junos OS will store?
A. 25
B. 65
C. 50
D. 19
عرض الإجابة
اجابة صحيحة: C
السؤال #38
Which two operating systems are used as the foundation of the Junos OS? (Choose two.)
A. Ubuntu
B. CentOS
C. Linux
D. FreeBSD
عرض الإجابة
اجابة صحيحة: CD
السؤال #39
You issue the monitor traffic interface ge-0/0/0 command. What will this command accomplish?
A. It displays a packet capture on interface ge-0/0/0
B. It displays the MTU and MAC address for ge-0/0/0
C. It displays real-time statistics for interface ge-0/0/0
D. It displays an operational summary of ge-0/0/0
عرض الإجابة
اجابة صحيحة: C
السؤال #40
What are two benefits of class of service (CoS)? (Choose two.)
A. CoS can increase the performance of a slow network
B. CoS can manage traffic congestion
C. CoS can prioritize latency-sensitive traffic
D. CoS can increase network bandwidth
عرض الإجابة
اجابة صحيحة: BC
السؤال #41
Which statement is true about the longer router-filter match type?
A. All router within the specified prefix that are longer than or equal to the given prefix are considered a match
B. All router 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 router within the specified prefix that are longer than the given prefix up to a defined acceptable prefix length are considered a match
D. All router within the specified prefix that are longer than given prefix are considered a match
عرض الإجابة
اجابة صحيحة: A
السؤال #42
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 #43
Click the Exhibit button. Referring to the exhibit, which routing configuration is required for these two users to access the remote server?
A. Users and the server require a default gateway
B. Trunk ports must be enabled on the switch
C. A routing protocol must be enabled on the router
D. Users must connect directly to the router
عرض الإجابة
اجابة صحيحة: A
السؤال #44
Referring to the exhibit, which dynamic routing protocol would be used for this topology?
A. IGMPv3
B. OSPFv2
C. RIPng
D. RIP
عرض الإجابة
اجابة صحيحة: C
السؤال #45
Which two methods keep a Junos device operational if the primary storage device fails? (Choose two.)
A. Create a recovery snapshot
B. Enable the ephemeral database
C. Enable J-Web for device management
D. Create a rescue configuration
عرض الإجابة
اجابة صحيحة: AD
السؤال #46
Click the Exhibit button.You are unable to remotely access your Juniper device using the CLI.Referring to the exhibit, which command would you add to the existing configuration to enable remote CLI access?
A. et system services ssh
B. oad factory-default
C. et system login idle-timeout 20
D. et system root-authentication plain-text-password
عرض الإجابة
اجابة صحيحة: A
السؤال #47
Click the Exhibit button A packet destined to the 172.27. 102.65 IP address is received by the ge-0/0/1.0 interface on your Junos device. The input firewall filter shown in the exhibit is applied to the ge- 0/0/1.0 interface. Which two actions are performed in this scenario? (Choose two.)
A. The packet is logged
B. The packet is accepted
C. The packet is counted
D. The packet is discarded
عرض الإجابة
اجابة صحيحة: BC
السؤال #48
Which command modifier would you use to see all possible completions for a specific command?
A. |
B. detail
C. ?
D. extensive
عرض الإجابة
اجابة صحيحة: C
السؤال #49
Which command causes the Junos OS to temporarily activate a configuration?
A. commit and-quite
B. commit synchronize
C. commit check
D. commit confirmed
عرض الإجابة
اجابة صحيحة: D
السؤال #50
What is an "X" release of the Junos OS?
A. a standard feature release
B. a special feature release
C. a feature velocity release
D. a feature beta release
عرض الإجابة
اجابة صحيحة: B
السؤال #51
A Junos device is configured with multiple routing protocols to the same destination prefix. By Default, which route will be active in the forwarding table?
A. A static route
B. An OSPF route
C. An IS-IS route
D. A BGP route
عرض الإجابة
اجابة صحيحة: A

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