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السؤال #1
Assuming that systems are synchronized, which action could take place if the fail-over cable is connectedcorrectly and working properly, but the systems cannot communicate over the network due to external networkproblems?
A. If network fail-over is enabled, the standby system will assume the active mode
B. Whether or not network fail-over is enabled, the standby system will stay in standby mode
C. Whether or not network fail-over is enabled, the standby system will assume the active mode
D. If network fail-over is enabled, the standby system will go into active mode but only until the networkrecovers
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اجابة صحيحة: B
السؤال #2
Given the configuration shown below, if a connection request arrived on the BIG-IP with a source address of200.10.10.10:1050 and a destination of 150.10.10.75:80, what would the source IP address of the associatedpacket be when it arrived on the choosen member of the web_poolself 150.10.10.1 { netmask 255.255.255.0unit I floating enable vlan external allow tcp https } self10.10.1.1 { netmask 255.255.255.0 unit I floating enablevlan internal allow default } pool web_pool { member 10.10.1.11:80 member 10.10.1
A. 10
B. 200
C. 10
D. 150
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اجابة صحيحة: C
السؤال #3
Which statement is true concerning packet filters?
A. In addition to administrator-created filters, three always exists a "deny all" filter that processes traffic last
B. Filters cannot prevent access to the management port
C. The order of filters does not affect which traffic is accepted or denied
D. Filters cannot prevent the BIG-IP synching process from taking place
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اجابة صحيحة: B
السؤال #4
A standard virtual server is defined with a pool and a SNAT using automap. All other settings for the virtualserver are at defaults. When client traffic is processed by the BIG-IP, what will occur to the IP addresses?
A. Traffic initiated by the pool members will have the source address translated to a self-IP address but thedestination address will not bechanged
B. Traffic initiated to the virtual server will have the destination address translated to a pool member addressand the source address Traffic initiated to the virtual server will have the destination address translated to apool member address and the source address translated to a self-IP address
C. Traffic initiated by selected clients, based on their IP address, will have the source address translated to aself-IP address but the destination will only be translated if the traffic is destined to the virtual server
D. Traffic initiated to the virtual server will have the destination address translated to a pool member addressand the source address translated to a self-IP address
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اجابة صحيحة: C
السؤال #5
How is persistence configured?
A. Persistence is an option within each pool's definition
B. Persistence is a profile type; an appropriate profile is created and associated with virtual server
C. Persistence is a global setting; onceenabled, load-balancing choices are superceded by the persistencemethod that is specified
D. Persistence is an option for each pool member
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اجابة صحيحة: D
السؤال #6
Assuming there are open connections through an active system's virtual servers and a fail-over occurs, bydefault, what happens to the connections?
A. All open connections are lost
B. All open connections are maintained
C. When persistence mirroring is enabled, open connections are maintained even if a fail-over occurs
D. Long-lived connections such as Telnet and FTP are maintained, but short-lived connections such as HTTPare lost
E. All open connections are lost, but new connections are initiated by the newly active BIG-IP, resulting inminimal client downtime
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اجابة صحيحة: A
السؤال #7
Which persistence method will always recognize a client when the client returns to the same virtual server?
A. SSL
B. MSRDP
C. Expression [universal]
D. No persistence method work in all situations
E. Source address
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اجابة صحيحة: D
السؤال #8
You have created a custom profile named TEST2. The parent profile of TEST2 is named TEST1. If additionalchanges are made to TEST1, what is the effect on TEST2?
A. All changes to TEST1 are propagated to TEST2
B. Some of the changes to TEST1 may propagate to TEST2
C. Changes to TEST1 cannot affect TEST2 once TEST2 is saved
D. When TEST1 is changed, the administrator is prompted and can choose whether to propagate changes toTEST2
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اجابة صحيحة: B
السؤال #9
A virtual server is listening at 10.10.1.100:80 and has the following iRule associated with it: whenHTTP_REQUEST { if { [HTTP::header User-Agent] contains "MSIE" } { pool MSIE_pool } else { poolMozilla_pool } If a user connects to http://10.10.1.100.html and their browser does not specify a User-Agent,which pool will receive the request?
A. MSIE_pool
B. Mozilla_pool
C. None
D. Unknown
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اجابة صحيحة: D
السؤال #10
Which three properties can be assigned to nodes? (Choose three.)
A. ratio values
B. priority values
C. health monitors
D. connection limits
E. load-balancing mode
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اجابة صحيحة: ACD
السؤال #11
Which statement describes a typical purpose of iRules?
A. iRules can be used to add individual control characters to an HTTP data stream
B. iRules can be used to update the timers on monitors as a server load changes
C. iRules can examine a server response and remove it from a pool if the response is unexpected
D. iRules can be used to look at client requests and server responses to choose a pool member to select forload balancing
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اجابة صحيحة: BDE
السؤال #12
The ICMP monitor has been assigned to all nodes. In addition, all pools have been assigned custom monitors.The pool is marked available In addition, all pools have been assigned custom monitors. If a pool is markedavailable (green) which situation is sufficient to cause this?
A. All of the pool member nodes are responding to the ICMP monitor as expected
B. Less than 50% of the pool member nodes responded to the ICMP echo request
C. All of the members of the pool have had their content updated recently and their responses no longer matchthe monitor
D. Over 25% of the pool members have had their content updated and it no longer matches the receive rule ofthe custom monitor
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اجابة صحيحة: D

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