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Exam 1Y0-253: Implementing Citrix NetScaler 10.5 for App and Desktop Solutions

What could be the cause of this issue?

Scenario: An administrator notices that each time the secondary node of a high availability (HA) pair
is restarted, the primary node shifts to a non-working state.
The administrator runs a command and collects the information displayed below:
1) Node ID. 0
IP: 172.31.250.10
Node StatE. NOT UP
Master StatE. Secondary
INC StatE. DISABLED
Sync StatE. DISABLED
Propagation: ENABLED
Enabled Interfaces : 1/5 1/1 1/2 1/4 0/1
Disabled Interfaces : 1/3
HA MON ON Interfaces : 1/4 1/1 0/1
Interfaces on which heartbeats are not seen : 1/4 1/1 1/2 1/5 0/1
Interfaces causing Partial FailurE. 1/4
SSL Card Status: UP
Hello Interval: 200 msecs
Dead Interval: 3 secs
Node in this Master State for: 0:0:0:35 (days:hrs:min:sec)
2) Node ID. 1
IP: 172.31.250.20
Node StatE. UNKNOWN/DOWN
Master StatE. UNKNOWN
INC StatE. UNKNOWN
Sync StatE. UNKNOWN
Propagation: UNKNOWN
Enabled Interfaces : UNKNOWN
Disabled Interfaces : UNKNOWN
HA MON ON Interfaces : UNKNOWN
SSL Card Status: UNKNOWN
What could be the cause of this issue?

How can the administrator prevent this issue from affecting the user experience?

Scenario: An entire shift of workers arrives at the office at 09:00. All two thousand users turn on
their thin client terminals and launch the line of business application within a ten minute timeframe.
The resultant traffic is so intense that it takes 15-20 minutes until everybody is able to start working.
How can the administrator prevent this issue from affecting the user experience?

What can an administrator do to lessen the amount of time the site is unavailable?

Scenario: An administrator has configured three Web Interface sites. The sites are configured to fail
over to another site if a site failure occurs. After a failure occurs, the failing site is NOT available for
connections for one hour. The administrator wants to lessen the amount of time that the failing site
is unavailable.
What can an administrator do to lessen the amount of time the site is unavailable?


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