vcp-310认证bolg

 认证名称：LPI Level 2 Exam 202
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1. Running tcpdump nli eth1 'icmp' shows the following output:
11:56:35.599063 IP 192.168.123.5 > 194.25.2.129: icmp 64: echo request seq 1
11:56:35.670910 IP 194.25.2.129 > 192.168.123.5: icmp 64: echo reply seq 1
What command, without options, parameters or arguments, was used on the host 192.168.123.5, to generate this output?
Answer: ping /bin/ping /sbin/ping

2. Some users are unable to connect to specific local hosts by name, while accesing hosts in other zones works as expected. Given that the hosts are reachable by their IP addresses, which is the default log file that could provide hints about the problem?
A./var/named/log
B./var/lib/named/dev/log
C./var/log/bind_errors
D./var/log/bind/errors
E./var/log/messages
Answer: E

3. Which of the following sentences is true, when using the following /etc/pam.d/login file?
#%PAM1.0
auth required /lib/security/pam_securetty.so
auth required /lib/security/pam_nologin.so
auth sufficient /lib/security/pam_unix.so shadow nullok md5 use_authtok
auth required /lib/security/pam_ldap.so use_first_pass
account sufficient /lib/security/pam_unix.so
account required /lib/security/pam_ldap.so
password required /lib/security/pam_cracklib.so
password sufficient /lib/security/pam_unix.so nullok use_authtok md5 shadow
password required /lib/security/pam_ldap.so use_first_pass
session optional /lib/security/pam_console.so
session sufficient /lib/security/pam_unix.so
session required /lib/security/pam_ldap.so
A.All users will be authenticated against the LDAP directory.
B.This is the only file needed to configure LDAP authentication on Linux.
C.Only local users will be able to log in, when the file /etc/nologin exists.
D.Ordinary users will be able to change their password to be blank.
E.If the control flags for auth were changed to required, local users wouldn't be able to log in.
Answer: E

4. Which file, on a majordomo server, will contain a list of all members' email adresses for the mailing list "linuxusers"? (Enter only the file name).
Answer: linux-users

5. A BIND server should be upgraded to use TSIG. Which configuration parameters should be added, if the server should use the algorithm hmacmd5 and the key skrKc4DoTzi/tAkIlPi7JZA==?
A. TSIG server.example.com. {
    algorithm hmacmd5;
    secret "skrKc4DoTzi/tAkIlPi7JZA==";
  };
B. key server.example.com. {
    algorithm hmacmd5;
    secret skrKc4DoTzi/tAkIlPi7JZA==;
  };
C. key server.example.com. {
    algorithm hmacmd5;
    secret "skrKc4DoTzi/tAkIlPi7JZA==";
  };
D. key server.example.com. {
    algorithm=hmacmd5;
    secret="skrKc4DoTzi/tAkIlPi7JZA==";
  };
E. key server.example.com.
    algorithm hmacmd5
    secret "skrKc4DoTzi/tAkIlPi7JZA=="
  };
Answer: C

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