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السؤال #1
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 unexpectediRules 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 for load balancing
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اجابة صحيحة: A
السؤال #2
Assume a client's traffic is being processed only by a NAT; no SNAT or virtual server processing takes place. Also assume that the NAT definition specifies a NAT address and an origin address while all other settings are left at their defaults. If a client were to initiate traffic to the NAT address, what changes, if any, would take place when the BIG-IP processes such packets?
A. The source address would not change, but the destination address would be translated to the origin address
B. The destination address would not change, but the source address would be translated to the origin address
C. The source address would not change, but the destination address would be translated to the NAT's address
D. The destination address would not change, but the source address would be translated to the NAT's address
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اجابة صحيحة: D
السؤال #3
A web client accesses a web application using what protocol?
A. TCP
B. XML
C. HTML
D. HTTP
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اجابة صحيحة: B
السؤال #4
Which two statements are true about SNATs? (Choose two.)
A. SNATs are enabled on all VLANs, by default
B. SNATs can be configured within a Profile definition
C. SNATs can be configured within a Virtual Server definition
D. SNAT's are enabled only on the VLAN where origin traffic arrives, by default
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اجابة صحيحة: A
السؤال #5
A virtual server is listening at 10.10.1.100:80 and has the following iRule associated with it: when HTTP_REQUEST { if { [HTTP::header User-Agent] contains "MSIE" } { pool MSIE_pool } else { pool Mozilla_pool } If a user connects to http://10.10.1.100/foo.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
عرض الإجابة
اجابة صحيحة: C
السؤال #6
Which of the following methods of protection are used by BIG-IP ASM to mitigate buffer overflow attacks?
A. HTTP RFC compliancy check
B. Length restrictions and attack signatures
C. Length restrictions and meta character enforcement
D. Meta character enforcement and HTTP RFC compliancy check
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اجابة صحيحة: AB
السؤال #7
Which of the following methods of protection are used by the BIG-IP ASM System tomitigate buffer overflow attacks?
A. HTTP RFC compliancy checks
B. Length restrictions and attack signatures
C. Length restrictions and site cookie compliancy checks
D. Meta-character enforcement and HTTP RFC compliancy check
عرض الإجابة
اجابة صحيحة: D
السؤال #8
Which statement is true concerning cookie persistence?
A. Cookie persistence allows persistence independent of IP addresses
B. Cookie persistence allows persistence even if the data are encrypted from client to pool member
C. Cookie persistence uses a cookie that stores the virtual server, pool name, and member IP address in clear text
D. If a client's browser accepts cookies, cookie persistence will always cause a cookie to be written to the client's file system
عرض الإجابة
اجابة صحيحة: D
السؤال #9
Assume a virtual server has a ServerSSL profile. What SSL certificates are required on the pool members?
A. No SSL certificates are required on the pool members
B. The pool members?SSL certificates must only exist
C. The pool members?SSL certificates must be issued from a certificate authority
D. The pool members?SSL certificates must be created within the company hosting the BIG-IPs
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اجابة صحيحة: B
السؤال #10
A site has six members in a pool. All of the servers have been designed, built, and configuredwith the sameapplications. It is known that each client's interactions vary significantly and can affect the performance of theservers. If traffic should be sent to all members on a regular basis, which load- balancing mode is mosteffective if the goal is to maintain a relatively even load across all servers?
A. Ratio
B. Priority
C. Observed
D. Round Robin
عرض الإجابة
اجابة صحيحة: ACD
السؤال #11
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; once enabled, load-balancing choices are superceded by the persistence method that is specified
D. Persistence is an option for each pool member
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اجابة صحيحة: BD
السؤال #12
Assuming there are open connections through an active system's NAT and a fail-over occurs, by default, what happens to those connections?
A. All open connections will be lost
B. All open connections will be maintained
C. The "Mirror" option must be chosen on the NAT and the setting synchronized prior to the connection establishment
D. Long-lived connections such as Telnet and FTP will be maintained while short-lived connections such as HTTP will be lost
E. All open connections are lost, but new connections are initiated by the newly active BIG-IP, resulting in minimal client downtime
عرض الإجابة
اجابة صحيحة: C
السؤال #13
Which two statements are true concerning the default communication between a redundant pair of BIG-IP systems? (Choose two.)
A. Synchronization occurs via a TCP connection using ports 683 and 684
B. Connection mirroring data is shared via a TCP connection using port 1028
C. Persistence mirroring data is shared via a TCP connection using port 1028
D. Connection mirroring data is shared through the serial fail-over cable unless network fail-over is enabled
عرض الإجابة
اجابة صحيحة: B
السؤال #14
A virtual server is defined per the charts. The last five client connections were to members C, D, A, B,
B. Given the conditions shown in the above graphic, if a client with IP address 205
A. 172
B. 172
C. 172
D. 172
E. 172
عرض الإجابة
اجابة صحيحة: D
السؤال #15
Which two can be a part of a pool's definition? (Choose two.)
A. rule(s)
B. profile(s)
C. monitor(s)
D. persistence type
E. load-balancing mode
عرض الإجابة
اجابة صحيحة: B

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