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Understanding of functional and technical aspects of Opening a support ticket with F5
The following will be discussed in this section:
- Given log file snippets, describe an event sequence
- Review the Network Map in order to determine the status of objects
- Use iApps Analytics to gauge the current running status of application services
- Review log files and identify possible events
- Given a situation, predict the appropriate dashboard statistics
- Distinguish between relevant/irrelevant information in order to assemble an accurate problem description
- Explain the purpose of iApps Analytics
- Identify the appropriate supporting components and severity levels for an F5 support ticket
- Provide quantitative and relevant information appropriate for a given issue
- Describe how to capture application statistics
- Use the dashboard to gauge the current running status of the system
- Distinguish between qualitative/quantitative statements in order to assemble an accurate problem description
- Interpret each of the statistic types displayed by the dashboard
- Given a current running status, recognize significant statistics
- Given an issue, determine the appropriate severity according to F5 guidelines
- Identify severity levels and the associated response times
- Given log file snippets, identify critical events
- Explain the status icons of objects on the map
- Identify the necessary components for all support cases (Qkview uploaded to iHealth/ or attached to case, serial number of device, problem description, other supporting data)
NEW QUESTION 10 
A BIG-IP Administrator notices that one of the servers that runs an application is NOT receiving any traffic.
The BIG-IP Administrator examines the configuration status of the application and observes the displayed monitor configuration and affected Pool Member status. What is the possible cause of this issue?
- A. The Node Health Monitor is NOT responding.
- B. HTTP 1.1 is NOT appropriate for monitoring purposes.
- C. The application is NOT responding with the expected Receive String.
- D. The BIG-IP device is NOT able to reach the Pool.
Answer: A
NEW QUESTION 11
Which cookie persistence method requires the fewest configuration changes on the web servers to be implemented correctly?
- A. passive
- B. session
- C. insert
- D. rewrite
Answer: C
NEW QUESTION 12
How is MAC masquerading configured.
- A. Specify the desired MAC address for each floating selfElIP address for which you want this feature enabled.
- B. Specify the desired MAC address for each VLAN on the active system and synchronize the systems.
- C. Specify the desired MAC address for each VLAN for which you want this feature enabled.
- D. Specify the desired MAC address for each selfElIP address for which you want this feature enabled.
Answer: C
NEW QUESTION 13
Which two methods can be used to determine which BIGElIP is currently active.
(Choose two.)
- A. The bigtop command displays the status.
- B. The ifconfig Ela command displays the floating addresses on the active system.
- C. The status (Active/Standby) is embedded in the command prompt.
- D. Only the active system's configuration screens are active.
Answer: A,C
NEW QUESTION 14
Which IP address will the client address be changed to when SNAT automap is specified within a Virtual Server configuration?
- A. The floating self-IP address on the VLAN where the packet leaves the system.
- B. It will alternate between the floating and non floating self-IP address on the VLAN where the packet leaves the system so that port exhaustion is avoided.
- C. It will alternate between the floating and non floating self-IP address on the VLAN where the packet arrives on the system so that port exhaustion is avoided.
- D. The floating self-IP address on the VLAN where the packet arrives on the system.
Answer: A
NEW QUESTION 15
Refer of the exhibit.
The 816-IP Administrator runs the command shown and observes a device trust issue between BIG-IP devices in a device group. The issue prevents config sync on device bigip3.local.
What is preventing the config sync?
- A. Next Active Load factor is 1 on bigip1.local
- B. Next Active Load factor is 0 on bigip1.local
- C. Time Delta to local system is 12
- D. Both devices are standby
Answer: B
Explanation:
Explanation
Option A should be bioip3.local?. if choose bigip3.local, you should choose A.
NEW QUESTION 16
How should a BIG-IP Administrator control the amount of traffic that a newly enabled pool member receives.
- A. set the Priority Group Activation
- B. set the Slow Ramp Time
- C. set a Connection Limit
- D. set a Health Monitor
Answer: B
Explanation:
Explanation
Slow Ramp Time
Specifies the duration during which the system sends less traffic to a newly-enabled pool member. The amount of traffic is based on the ratio of how long the pool member has been available compared to the slow ramp time, in seconds. Once the pool member has been online for a time greater than the slow ramp time, the pool member receives a full proportion of the incoming traffic. Slow ramp time is particularly useful for the least connections load balancing mode.
Setting this to a nonzero value can cause unexpected Priority Group behavior, such as load balancing to a low-priority member even with enough high-priority servers.
NEW QUESTION 17
One of the two members of a device group has been decommissioned. The BIG-IP Administrator tries to delete the device group, but is unsuccessful.
Prior to removing the device group, which action should be performed?
- A. Make sure all members of the device group are in sync
- B. Disable the device group
- C. Remove all members from the device group
- D. Remove the decommissioned device from the device group
Answer: C
NEW QUESTION 18
A BIG-IP Administrator suspects that one of the BIG-IP device power supplies is experiencing power outages.
Which log file should the BIG-IP Administrator check to verify the suspicion?
- A. /var/log/audit
- B. /var/log/ltm
- C. /war /log/daemon.log
- D. /var/log/kern.log
Answer: B
NEW QUESTION 19
A BIG-IP Administrator uses a device group to share the workload and needs to perform service on a BIG-IP device currently active for a traffic group. The administrator needs to enable the traffic group to run on another BIG-IP device in the device group. What should the administrator do to meet the requirement?
- A. Select Traffic Group on Primary Unit and then select Demote
- B. Select Traffic Group and then select Failover
- C. Select Traffic Group and then select Force to Standby
- D. Create a new Traffic Group and then fail to Standby Unit
Answer: C
NEW QUESTION 20
A BIG-IP system has the following configuration:
* SNAT is set to Auto Map
* There are two VLANs internal and external
* Default route is pointed to the gateway on external VLAN
* Self P for internal VLAN is 1921.1.2
* Self IP for external VLAN is 192.1.2.2
* Floating IP addresses for internal VLAN is 192.1.1.1
* Floating IP addresses for external VLAN is 192.1.2.1
* The Virtual Server IP address is 192.1.1.100
Which IP address does the BIG-IP system use first when traffic reaches the servers on the internal VLAN?
- A. 192.1.1.1
- B. 192.1.2.2
- C. 192.1.1.100
- D. 192.1.2.1
Answer: A
NEW QUESTION 21
A BIG-IP Administrator is unable to connect to the management interface via HTTPS. What is a possible reason for this issue?
- A. The IP address of the device used to access the management interface is NOT included in the "httpd Allow" list in the CLI.
- B. An incorrect management route is specified.
- C. The port lockdown setting is configured to Allow None.
- D. The IP address of the device used to access the management interface is NOT included in the "P Allow" list in the Configuration Utility.
Answer: A
NEW QUESTION 22
Refer to the exhibit
The network team creates a new VLAN on the switches. The BIG-IP Administrator needs to create a configuration on the BIG-IP device. The BIG-IP Administrator creates a new VLAN and Self IP, but the servers on the new VLAN are NOT reachable from the BIG-IP device.
Which action should the BIG-IP Administrators to resolve this issue?
- A. Create a Floating Set IP Address
- B. Assign a physical interface to the new VLAN
- C. Set Port Lockdown of Set IP to Allow All
- D. Change Auto Last Hop to enabled
Answer: B
NEW QUESTION 23
Refer to the exhibit.
A BIG-IP Administrator creates a new Virtual Server to load balance SSH traffic. Users are unable to log on to the servers.
What should the BIG-IP Administrator do to resolve the issue?
- A. Set Source Address to 10.1.1.2
- B. Set Protocol to UDP
- C. Set Destination Addresses/Mask to 0.0.0.0/0
- D. Set HTTP Profile to None
Answer: D
NEW QUESTION 24
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 the origin server were to initiate traffic via the BIGElIP, what changes, if any,
would take place when the BIGElIP processes such packets.
- A. The source address would be changed to the NAT address and destination address would be left unchanged.
- B. The source address would not change, but the destination address would be changed to the NAT address.
- C. The BIGElIP would drop the re quest since the traffic didn arrive destined to the NAT address.The BIGElIP would drop the request since the traffic didn. arrive destined to the NAT address.
- D. The source address would not change, but the destination address would be changed to a seEllIfP of the BIGElIP.
Answer: A
NEW QUESTION 25
A virtual server is listening at 10.10.1.100:any and has the following iRule associated with it:
when CLIENT_ACCEPTED { if {[TCP::local_port] equals 21 } { pool
ftppool } elseif {[TCP::local_port] equals 23 } { pool telnetpool }
If a user connects to 10.10.1.100 and port 22, which pool will receive the request?
- A. telnetpool
- B. None. The request will be dropped.
- C. ftppool
- D. Unknown. The pool cannot be determined from the information provided.
Answer: D
NEW QUESTION 26
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