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السؤال #1
You have been asked to configure a login class that will permit its users to view and edit the configuration. The class should allow a user to view the entire configuration, but only to edit the interfaces, routing-options, and protocols hierarchies. Which configuration accomplishes this login class?
A. permissions [ view-configuration clear network view ]; allow-configuration "(interfaces) | (routing-options) | (policy-options) | (protocols)";
B. permissions [ view-configuration clear network view ]; allow-commands "(configure)";
C. permissions [ view-configuration clear network view ]; allow-commands "(configure)"; allow-configuration "(interfaces) | (routing-options) | (protocols)"; D
عرض الإجابة
اجابة صحيحة: A
السؤال #2
Which login class permission will allow a user to use the telnet utility?
A. Network permission
B. Maintenance permission
C. Supervisor permission
D. Shell permission
عرض الإجابة
اجابة صحيحة: A
السؤال #3
By default, which character indicates the UNIX shell prompt?
A. #
B. >
C. $
D. %
عرض الإجابة
اجابة صحيحة: C
السؤال #4
Which statement is correct regarding IPv6 addresses?
A. An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections
B. An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections
C. An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections
D. An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections
عرض الإجابة
اجابة صحيحة: CD
السؤال #5
On which operating system is the Junos OS based? A. ScreenOS
B. Solaris
C. FreeBSD
D. HP-UX
عرض الإجابة
اجابة صحيحة: B
السؤال #6
What are two valid actions for a routing policy? (Choose two.)
A. discard
B. next policy
C. accept
D. ignore
عرض الإجابة
اجابة صحيحة: BD
السؤال #7
Which configuration causes RIP-learned routes to be advertised to other RIP neighbors?
A. set protocol rip no-passive B
C. set protocols rip advertise in-out
D. top edit policy-options policy-statement demo set term 1 from active routes set term 1 then accept top set protocols rip group internal export demo
عرض الإجابة
اجابة صحيحة: BD
السؤال #8
You accidentally configured interface so-0/0/0.0 with 1.1.1.1/32 instead of 1.1.1.1/30. Which two solutions could you use to correct this configuration? (Choose two.)
A. [edit interfaces so-0/0/0
B. [edit interfaces so-0/0/0
C. [edit] user@router# replace interface so-0/0/0
D. [edit interfaces so-0/0/0
عرض الإجابة
اجابة صحيحة: C
السؤال #9
-- 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 >
A. 192
B. 192
C. 192
D. 192
عرض الإجابة
اجابة صحيحة: D
السؤال #10
What represents the binary equivalence of 96?
A. 11010100
B. 01100000
C. 11010000
D. 11101010
عرض الإجابة
اجابة صحيحة: AC
السؤال #11
You must segment your internal 192.168.1.0/24 network into a minimum of 12 subnets, each containing a minimum of 12 hosts. Which network mask do you use?
A. /26
B. /27
C. /28
D. /29
عرض الإجابة
اجابة صحيحة: A
السؤال #12
Which J-Web tab do you use to add licenses to the device?
A. "Configure"
B. "Troubleshoot" C
D. "Maintain"
عرض الإجابة
اجابة صحيحة: D
السؤال #13
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 #14
Which three steps are part of the root password recovery process? (Choose three.)
A. Reboot the device
B. Run the recovery script
C. Reset the root password
D. Reset the user passwords
E. Load factory-default configuration
عرض الإجابة
اجابة صحيحة: A
السؤال #15
Which two commands may be used when configuring an IP address for a Gigabit Ethernet interface? (Choose two.)
A. set interfaces ge-0/0/0
B. set interfaces ge-0/0/0
D. set interfaces ge-0/0/0 address 10
عرض الإجابة
اجابة صحيحة: D
السؤال #16
Which two commands allow you to return to a previous version of software on the device? (Choose two.)
A. request system software add
B. request system software downgrade
C. request system software replace
D. request system software rollback
عرض الإجابة
اجابة صحيحة: B
السؤال #17
What is the default SNMP permission level on Junos devices? A. read
B. read-write
C. read-only
D. write
عرض الإجابة
اجابة صحيحة: C
السؤال #18
Which statement is true about the forwarding plane?
A. It uses ASICs for increased performance
B. It is the intelligence of the platform
C. It maintains the routing tables
D. It is based on an x86 architecture
عرض الإجابة
اجابة صحيحة: A
السؤال #19
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 count parameter creates a counter that you can view with the show firewall command.
B. The count parameter allows the router to count the number of pings for logging purposes
C. The count parameter allows the router to pause for 1000 seconds before sending out a ping
D. The count parameter allows the router to send out 1000 pings and then stop
عرض الإجابة
اجابة صحيحة: A
السؤال #20
What represents the decimal equivalence of 11100101? A. 5
B. 93
C. 177
D. 229
عرض الإجابة
اجابة صحيحة: D
السؤال #21
You have been allocated a 192.168.100.0/22 network. How many usable hosts are available?
A. 510
B. 512
C. 1022
D. 1024
عرض الإجابة
اجابة صحيحة: C
السؤال #22
Which statement describes an advantage of dynamic routing?
A. Dynamic routing is typically more scalable when compared to static routing
B. Unlike static routing, dynamic routing requires no initial user configuration
C. Unlike static routing, dynamic routing provides redundant IP addresses for end-user devices
D. Dynamic routing provides DNS services along with IP connectivity, whereas static routing does not
عرض الإجابة
اجابة صحيحة: BC
السؤال #23
What is the default protocol preference for OSPF internal routes?
A. 10
B. 15
C. 150
D. 160
عرض الإجابة
اجابة صحيحة: A
السؤال #24
Using the command, user@router# load override latest.conf, where in the file system will the latest.conf be located?
A. /var/home/user/
B. /var/config/saved/
C. /var/tmp/ D
عرض الإجابة
اجابة صحيحة: A
السؤال #25
Which account is used to access a Junos device in factory-default configuration?
A. Root
B. Admin
C. Juniper
D. User
عرض الإجابة
اجابة صحيحة: A
السؤال #26
Your network administrator has asked you to view the real-time interface usage on ge-0/0/0. Which command would be used?
A. Monitor interface ge-0/0/0
B. Traceoptions interface ge-0/0/0
C. Debug interface ge-0/0/0
D. Monitor usage ge-0/0/0
عرض الإجابة
اجابة صحيحة: B
السؤال #27
What is the purpose of a network mask?
A. It is used to identify the maximum hop count of a subnetwork
B. It is used to identify an IP address as either private or public
C. It is used to identify the network to which an IP address belongs
D. It is used to identify the total number of bits present in an IP address
عرض الإجابة
اجابة صحيحة: A
السؤال #28
When using the monitor traffic command on Junos devices, which UNIX-based utility is accessed? A. snoop
B. tcpdump
C. monitor
D. tail
عرض الإجابة
اجابة صحيحة: A
السؤال #29
Which two protocols use UDP as a transport protocol by default? (Choose two.)
A. Telnet
B. ICMP
C. DHCP D
عرض الإجابة
اجابة صحيحة: A
السؤال #30
A user opens a webpage that requires the transmission of packets from the Web server to the client's browser. The packets transmitted from the Web server to the client exceed the smallest MTU value on the communications path. Which two protocol functions allow this type of communication? (Choose two.)
A. packet segmentation
B. serialized checking
C. packet sequencing
D. parallel checking
عرض الإجابة
اجابة صحيحة: CD
السؤال #31
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: C
السؤال #32
Which command will display only direct routes?
A. show route
B. show route inet
D. show route protocol direct
عرض الإجابة
اجابة صحيحة: D
السؤال #33
Which two characteristics describe the UDP protocol? (Choose two.)
A. limited error checking
B. defined timers
C. no recovery mechanisms D
عرض الإجابة
اجابة صحيحة: B
السؤال #34
What are the usable hosts on the 96.6.128.0/19 network?
A. 96
B. 96
D. 96
عرض الإجابة
اجابة صحيحة: A
السؤال #35
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: A
السؤال #36
Which CLI command do you use to determine which files are cleanup candidates?
A. Request system storage cleanup candidates B
C. Request system services candidate cleanup
D. Request system storage cleanup dry-run
عرض الإجابة
اجابة صحيحة: D
السؤال #37
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 #38
Which three user authentication methods are supported by the Junos OS? (Choose three.)
A. RADIUS
B. CHAP C
D. TACACS+
E. PAP
عرض الإجابة
اجابة صحيحة: AD
السؤال #39
Why is IPv6 packet processing more effective than IPv4 packet processing?
A. fixed header size
B. smaller header size
C. fewer header fields
D. variable header size
عرض الإجابة
اجابة صحيحة: B
السؤال #40
What is the default export routing policy for RIP?
A. Accept all local routes
B. Accept all RIP routes
D. Accept all direct routes
عرض الإجابة
اجابة صحيحة: BC
السؤال #41
You are at the top of the hierarchy and must configure OSPF on interface so-0/0/0 unit 100. Which two achieve this result? (Choose two.) A. set protocols set ospf area 0 set interface so-0/0/0.100
B. set protocols ospf area 0 interface so-0/0/0
C. edit protocols ospf interface so-0/0/0
D. edit protocols ospf area 0 set interface so-0/0/0
عرض الإجابة
اجابة صحيحة: BD
السؤال #42
You have been assigned the 66.96.130.0/24 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: C
السؤال #43
At which layer of the OSI model does error checking occur with IPv6?
A. Layer 2
B. Layer 3 C
D. Layer 7
عرض الإجابة
اجابة صحيحة: AC
السؤال #44
Which statement is true regarding the Junos OS? A. All platforms running the Junos OS use the same source code base.
B. All platforms running the Junos OS use the same PFE
C. All platforms running the Junos OS use a hard drive to optimize syslog data storage
D. All platforms running the Junos OS use a separate process with protected memory space for each routing protocol
عرض الإجابة
اجابة صحيحة: D
السؤال #45
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: C
السؤال #46
Which statement is true about terms in a policy?
A. A single term can be applied to a protocol or interface, independent of the policy
B. Once configured, terms within a policy cannot be reordered
C. The name of a term is limited to five characters
D. A from statement is optional in a term
عرض الإجابة
اجابة صحيحة: D
السؤال #47
During a password recovery, what is the next step after configuring the system to boot into single- user mode?
A. Reset the root password
C. Type recovery
D. Press the "Enter" key
عرض الإجابة
اجابة صحيحة: ABC
السؤال #48
Which command will delete the current rescue configuration?
A. user@router# system delete configuration rescue B
C. user@router# delete rescue configuration
D. user@router> file delete rescue-configuration
عرض الإجابة
اجابة صحيحة: A
السؤال #49
You have been asked to develop an application that uses only connection-oriented protocols. Which two protocols can you use? (Choose two.)
A. PPP
B. UDP C
D. ICMP
عرض الإجابة
اجابة صحيحة: B
السؤال #50
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: ACD
السؤال #51
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: C
السؤال #52
What is the decimal equivalent of 10101010?
A. 182
B. 180 C
D. 170
عرض الإجابة
اجابة صحيحة: D
السؤال #53
What is the role of route preference?
A. It is used as a tiebreaker when the same prefix is available through multiple protocols
B. It is used to determine the preferred path to a given destination
C. It is used to select the best route between multiple equal-cost paths
D. It is used to select which routing table to use for forwarding
عرض الإجابة
اجابة صحيحة: A
السؤال #54
What is the purpose of a network mask?
A. It is used in conjunction with the wildcard mask to determine the number of hosts on a network
B. It is used to define which parts of the IP address are allocated to host addresses and network prefixes
C. It is used to hide subnets from external networks by masking the subnets with NAT
D. It is used to differentiate a network as a classful network or a classless network
عرض الإجابة
اجابة صحيحة: BCD

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