Which option within the ISC DHCPD configuration file defines the IPv4 DNS server address(es) to be sent to the DHCP clients?

1. A. domain-name-servers
2. B. domain-server
3. C. name-server
4. D. servers

Correct Answer: A

What is the purpose of DANE?

1. A. Verify the integrity of name information retrieved via DNS.
2. B. Allow secure dynamic DNS updates.
3. C. Invalidate name information stored on caching name servers to speed up DNS updates.
4. D. Discover which servers within a DNS domain offer a specific service.
5. E. Provide a way to verify the association of X 509 certificates to DNS host name

Correct Answer: E

Which tool creates a Certificate Signing Request (CSR) for serving HTTPS with Apache HTTPD?

1. A. apachect1
2. B. certgen
3. C. cartool
4. D. httpsgen
5. E. openssl

Correct Answer: E

Which of the following commands displays an overview of the Postfix queue content to help identify remote sites that are causing excessive mail traffic?

1. A. mailtraf
2. B. queuequery
3. C. qshape
4. D. postmap
5. E. poststats

Correct Answer: C

Which of the following values can be used in the OpenLDAP attribute olcBackend for any object of the class olcBackendConfig to specify a backend? (Choose three.)

1. A. xml
2. B. bdb
3. C. passwd
4. D. ldap
5. E. text

Correct Answer: BDE