303-200 LPIC-3 Exam 303: Security, 2.0 Questions and Answers

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

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

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

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

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

chage --maxdays none usera

chage –maxdays 99 usera

chage --maxdays -1 usera

chage --lastday none usera

chage --lastday 0 usera

/dev/sys/

/sys/

/proc/sys/

/sysctl/

subjectAltName = DNS: www example.org, DNS:example.org

extension= SAN: www.example.org , SAN:example.org

subjectAltName: www.example.org , subjectAltName: example.org

commonName = subjectAltName= www.example.org , subjectAltName = example.org

subject= CN= www.example.org , CN=example.org

It is a self-signed certificate.

It does not include the private key of the CA

It must contain a host name as the common name.

It has an infinite lifetime and never expires.

It must contain an X509v3 Authority extension.

default

system

owner

trusted

user