f50-521 braindumps

Exam Name: F5 BIG-IP V9.4 LTM Essentials
Exam Type: F5-Networks
Exam Code: F50-521 Total Questions: 150A site has six members in a pool. Three of the servers are new and have more memory and a
faster processor than the others. Assuming all other factors are equal and traffic should be sent to
all members, which two load-balancing methods are most appropriate? (Choose two.)

A. Ratio
B. Priority
C. Observed
D. Round Robin

Answer: A, C
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.

Answer: B

Assume the bigd daemon fails on the active system. Which three are possible results? (Choose
three.)

A. The active system will restart the bigd daemon and continue in active mode.
B. The active system will restart the tmm daemon and continue in active mode.
C. The active system will reboot and the standby system will go into active mode.
D. The active system will fail-over and the standby system will go into active mode.
E. The active system will continue in active mode but gather member and node state information
from the standby system.
Which statement accurately describes the difference between two load-balancing modes
specified as “member” and “node”?

A. There is no difference; the two terms are referenced for backward compatibility purposes.
B. When the load-balancing choice references “node”, priority group activation is unavailable.
C. Load-balancing options referencing “nodes” are available only when the pool members are
defined for the “any” port.
D. When the load-balancing choice references “node”, the addresses’ parameters are used to
make the load-balancing choice rather than the member’s parameters.

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Answer: D
Under what condition must an appliance license be reactivated?

A. Licenses only have to be reactivated for RMAs – no other situations.
B. Licenses generally have to be reactivated during system software upgrades.
C. Licenses only have to be reactivated when new features are added (IPv6, Routing Modules,
etc) – no other situations.
D. Never. Licenses are permanent for the platform regardless the version of software installed.

Answer: B

Which statement is true about the synchronization process, as performed by the Configuration
Utility or by typing b config sync all?

A. The process should always be run from the standby system.
B. The process should always be run from the system with the latest configuration.
C. The two /config/bigip.conf configuration files are synchronized (made identical) each time the
process is run.
D. Multiple files, including /config/bigip.conf and /config/bigip_base.conf, are synchronized (made
identical) each time the process is run.

Answer: C

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.

Answer: A
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

Answer: A, C, D
When can a single virtual server be associated with multiple profiles?

A. Never. Each virtual server has a maximum of one profile.
B. Often. Profiles work on different layers and combining profiles is common.
C. Rarely. One combination, using both the TCP and HTTP profile does occur, but it is the
exception.
D. Unlimited. Profiles can work together in any combination to ensure that all traffic types are
supported in a given virtual server.

Answer: B

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