Which of the following statements is true about load balancers?

• A.Load balancer require access to private keys in order to be able to forward HTTPS traffic.
• B.Load balancers cannot use connection content, such as HTTP cookies, to route traffic.
• C.Load balancers are a security risk because they obfuscate the origin of connections.
• D.Load balancers are a single point of failure because they cannot be deployed redundantly.
• E.Load balancer help to improve the availability and scalability of a service.

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Create a swap space, set the size is 600 MB, and make it be mounted automatically after rebooting the system (permanent mount).

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Configure NTP.
Configure NTP service, Synchronize the server time, NTP server: classroom.example.com

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SIMULATION
Search files.
Find out files owned by jack, and copy them to directory /root/findresults

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The system ldap.example.com provides an LDAP authentication service.
Your system should bind to this service as follows:
The base DN for the authentication service is dc=domain11, dc=example, dc=com LDAP is used to provide both account information and authentication information. The connection should be encrypted using the certificate at http://host.domain11.example.com/pub/domain11.crt When properly configured, ldapuserX should be able to log into your system, but will not have a home directory until you have completed the autofs requirement. Username: ldapuser11 Password: password

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