1. Which of the IP addresses are private IP addresses? (Correct Answers: 2)(Select 2answers)

A) 10.44.10.45
B) 172.16.58.14
C) 8.8.8.8
D) 192.169.1.1



2. In making cloud accounts more secure, which of the following is NOT a guiding principle?

A) Anonymous logins
B) Login verification
C) Account permissions
D) Authorization distribution



3. Please list the correct order of the following 4 steps to enable a WAF service : (1) upload HTTPS CA and private key(HTTPS website only) (2) add the domain name that needs to be protected (3) select the original IP address (4) add CNAME DNS record

A) 2341
B) 2314
C) 2431
D) 2413



4. For internet communication, to setup the connection and data transition between source and destination, which of the following information you will needï¼?(Select 3answers)

A) Protocol
B) IP address
C) Port
D) Router Location
E) Encryption algorithm


5. Which service in RedHat Linux OS can be used to build network firewall functionality?

A) linuxfw
B) ipfirewall
C) iptables
D) netstat