Lpi 303-200: LPIC-3 Exam 303: Security, version 2.0 - 303-200 模擬練習

A. Winbind authentication

B. SSL certificate authentication

C. Kerberos authentication

D. SSH hostkey authentication

A. getfattr prints a warning and exits with a values of 0.

B. No output is produced and getfattr exits with a value of 0.

C. No outputs is produced and getfattr exits with a value of 1

D. getfattr prints a warning and exits with a value of 1.

A. It has an infinite lifetime and never expires.

B. It must contain a host name as the common name.

C. It is a self-signed certificate.

D. It does not include the private key of the CA

E. It must contain an X509v3 Authority extension.

A. iptables -t nat -A POSTROUTING H eth0 -j DNAT -to-source 192.0.2.11

B. iptables ~t nat -A PREROUT1NG -\ eth0 -j SNAT -to-source 192.0.2.11

C. iptables ~t nat -A POSTROUTING ~o eth0 -j SNAT -to-source 192.0.2.11

D. iptables -t mangle -A POSTROUTING -0 eth0 -j SNAT -to-source 192.0.2.11

E. iptables -t mangle -A POSTROUTING -i eth0 -j SNAT -to-source 192.0.2.11

A. it monitors remote hosts by periodically sending echo requests to them.

B. It monitors the network for IPv4 nodes that have not yet migrated to IPv6.

C. it monitors the availability of a network link by querying network interfaces.

D. it monitors the network for neighbor discovery messages from new IPv6 hosts and routers

E. It monitors log files for failed login attempts in order to block traffic from offending network nodes

A. useradd usera --directory ipa --gecos *User A"

B. ipa-user- add usera --name "User A"

C. ipa user-add usera --first User --last A

D. idap- useradd --H ldaps://ipa-server CN=UserA --attribs "Firstname: User: Lastname: A"

E. ipa-admin create user --account usera -_fname User --iname A