F5 303 問題集

質問 1：
An active/standby pair of LTM devices deployed with network failover are working as desired. After external personnel perform maintenance on the network, the LTM devices are active/active rather than active/standby.
No changes were made on the LTM devices during the network maintenance.
Which two actions would help determine the cause of the malfunction? (Choose two.)
A. checking synchronization of system clocks among the network devices
B. checking the configuration of the VLAN used for mirroring
C. checking the open ports in firewalls between the LTM devices
D. checking that the configurations are synchronized
E. checking the configuration of the VLAN used for failover
正解：C,E

質問 2：
An LTM Specialist is working with an LTM device configured with 10 virtual servers on the same domain with a different key/cert pair per virtual. For examplE. www.example.com; ftp.example.com; ssh.example.com; ftps.example.com.
What should the LTM Specialist do to reduce the number of objects on the LTM device?
A. create a 0.0.0.0:0 virtual server thus eliminating all virtual servers
B. create a transparent virtual server thus eliminating all virtual servers
C. create a 0 port virtual server and have it answer for all protocols
D. create a wildcard certificate and use it on all *.example.com virtual servers
正解：D

質問 3：
-- Exhibit -

-- Exhibit --
Refer to the exhibit.
Based on the output of the tmsh interface show command, what is the issue?
A. Flow Control is NOT configured on the management interface.
B. There are too many drops on inbound traffic on interface 1.1.
C. There is a duplex mismatch on the management interface.
D. Interfaces 2.1 and 2.2 are defective and need replacement.
正解：C

質問 4：
Refer to the exhibit.

A user attempts to connect to 10.10.10.1.80 using FTP over SSL with an FTPS client. Which virtual server will match and attempt to process the request?
A. vs_ftp
B. nvfs
C. vsjutps
D. vs_http
正解：A

質問 5：
The picture belongs to static content, you can configure static content cache in FS to meet this demand An LTM Specialist must configure session persistence for a highly available, highly utilized web-based application.
* The following requirements are provided:
* http proxy setup for security
persistence information available to the HA peer in case of failover
The LTM Specialist needs to minimize additional burden on the LTM device to the greatest extent possible.
Which persistence profile should be used?
A. Source Address Affinity
B. Cookie insert
C. Destination Address Affinity
D. Universal
正解：B

質問 6：
An ITM Specialist has the configuration shown:

The LTM Specialist needs to create a new virtual server in part B.
Which virtual address(es) should be used for the new virtual server?
A. 10.90.0.1 and 10.12.0.1
B. 10.100.0.1 and.10.120.0.1
C. 10.90.0.1 and 10.100.0.1
D. 10.120.0.1 only
正解：B

質問 7：
-- Exhibit --

-- Exhibit --
Refer to the exhibit.
A company uses a complex piece of client software that connects to one or more virtual servers (VS) hosted on an LTM device. The client software is experiencing issues. An LTM Specialist must determine the cause of the problem.
The LTM Specialist is seeing a client source IP of 168.210.232.5 in the tcpdump. However, the client source IP is actually 10.123.17.12.
Why does the IP address of 10.123.17.12 fail to appear in the tcpdump?
A. The Secure Network Address Translation (SNAT) pool on the virtual server is activated.
B. The individual's data stream is being routed to the LTM device by a means other than the default route.
C. Network Address Translation (NAT) has occurred in the path between the client and the LTM device.
D. The LTM device performed NAT on the individual's IP address.
正解：C