301b試験無料問題集「F5 LTM Specialist: Maintain & Troubleshoot 認定」

An LTM device pair is configured for failover and connection mirroring. The LTM devices are configured with virtual servers for HTTP, HTTPS with SSL offload, and SSH. An event occurs that causes a failover. HTTP and SSH sessions active at the time of failover remain active, but HTTPS sessions are dropped.
What is the root cause of this problem?

Users are experiencing low throughput when downloading large files over a high-speed WAN connection. Extensive packet loss was found to be an issue but CANNOT be eliminated.
Which two TCP profile settings should be modified to compensate for the packet loss in the network? (Choose two.)

A web application requires the client to provide the destination server and service identification.
Which HTTP header will supply this information?

An LTM Specialist is troubleshooting an HTTP monitor. The pool member is accessible directly through a browser, but the HTTP monitor is marking the pool member as down.
GET / HTTP/1.1
HTTP/1.1 400 Bad Request DatE.Tue, 23 Oct 2012 21:39:07 GTM Server: Apache/2.2.22 (FreeBSD) PHP/5.4.4 mod_ssl/2.2.22 OpenSSL/0.9.8q DAV/2 Content-LengtH.226 Connection: close Content-TypE.text/html; charset=iso-8859-1
Which issue is the pool member having?

-- Exhibit-

-- Exhibit -
Refer to the exhibit.
An LTM Specialist configures a virtual server that balances HTTP connections to a pool of three application servers. Approximately one out of every three connections to the virtual server fails.
Which two actions will resolve the problem? (Choose two.)

-- Exhibit-

-- Exhibit -Refer to the exhibit. A layer 2 nPath routing configuration has been deployed. A packet capture contains a client
connection packet with the following properties:
Source IP: <Virtual Server>
Destination IP: <Client A>
At which two locations could the packet capture have been taken? (Choose two.)

Which two alerting capabilities can be enabled from within an application visibility reporting (AVR) analytics profile? (Choose two.)

An LTM device is serving an FTP virtual server that has three pool members. The FTP pool members are monitored via TCP port 21. Customers are reporting that they are able to log in, but are sometimes unable to upload files to the server.
Which monitor should the LTM Specialist configure to verify that the servers can handle file uploads?

A failover event is recorded in the following log messages:
Jan 01 00:56:56 BIG-IP notice mcpd[5318]: 01070727:5: Pool /Common/my-pool member /Common/10.0.0.10:80 monitor status down.
Jan 01 00:56:56 BIG-IP notice sod[5855]: 010c0045:5: Leaving active, group score 10 peer group score 20.
Jan 01 00:56:56 BIG-IP notice sod[5855]: 010c0052:5: Standby for traffic group /Common/traffic-group-1.
Jan 01 00:56:56 BIG-IP notice sod[5855]: 010c0018:5: Standby
Jan 01 00:57:06 BIG-IP notice logger: /usr/bin/tmipsecd --tmmcount 4 ==> /usr/bin/bigstart stop racoon
What is the cause of the failover?

An LTM Specialist has just manually failed the active LTM device over to the standby LTM device. The LTM Specialist notices the newly active LTM device is NOT currently receiving traffic. The LTM Specialist verifies the newly active device is responding to ARP but still no traffic is hitting the virtual servers. The LTM Specialist also notices that the virtual servers eventually start responding.
What should be added to the configuration to resolve the problem?

-- Exhibit-

-- Exhibit -
Refer to the exhibit.
An LTM Specialist has a virtual server set up on the LTM device as per the exhibit. The LTM Specialist receives reports of intermittent issues. Some clients are connecting fine while others are failing to connect.
The LTM Specialist does a tcpdump on the relevant interfaces, with the following results extracted:
What is causing the intermittent issues?