QUESTION: 221

What is the purpose of MAC masquerading?

to prevent ARP cache errors
to minimize ARP entries on routers
to minimize connection loss due to ARP cache refresh delays
to allow both BIG-IP devices to simultaneously use the same MAC address

Answer(s): C

QUESTION: 222

Which process or system can be monitored by the BIG-IP system and used as a failover trigger in a redundant pair configuration.

bandwidth utilization
duplicate IP address
CPU utilization percentage
VLAN communication ability

Answer(s): D

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QUESTION: 223

Assuming there are open connections through an active system's NAT and a failover occurs, by default, what happens to those connections?

All open connections will be lost.
All open connections will be maintained.
The "Mirror" option must be chosen on the NAT and the setting synchronized prior to the connection establishment.
Long-lived connections such as Telnet and FTP will be maintained while short-lived connections such as HTTP will be lost.
All open connections are lost, but new connections are initiated by the newly active BIG-IP, resulting in minimal client downtime.

Answer(s): B

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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 205.12.45.52 opens a connection to the virtual server, which member will be used for the connection?

172.16.20.1:80
172.16.20.2:80
172.16.20.3:80
172.16.20.4:80
172.16.20.5:80

Answer(s): D

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QUESTION: 221

QUESTION: 222

QUESTION: 223

QUESTION: 224